diff options
Diffstat (limited to 'openssl/crypto/rand')
| -rw-r--r-- | openssl/crypto/rand/Makefile | 187 | ||||
| -rw-r--r-- | openssl/crypto/rand/md_rand.c | 584 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand.h | 167 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_egd.c | 303 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_eng.c | 152 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_err.c | 114 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_lcl.h | 169 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_lib.c | 245 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_nw.c | 183 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_os2.c | 147 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_unix.c | 330 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_vms.c | 136 | ||||
| -rw-r--r-- | openssl/crypto/rand/rand_win.c | 758 | ||||
| -rw-r--r-- | openssl/crypto/rand/randfile.c | 313 | ||||
| -rw-r--r-- | openssl/crypto/rand/randtest.c | 219 |
15 files changed, 4007 insertions, 0 deletions
diff --git a/openssl/crypto/rand/Makefile b/openssl/crypto/rand/Makefile new file mode 100644 index 000000000..30794305c --- /dev/null +++ b/openssl/crypto/rand/Makefile @@ -0,0 +1,187 @@ +# +# OpenSSL/crypto/rand/Makefile +# + +DIR= rand +TOP= ../.. +CC= cc +INCLUDES= +CFLAG=-g +MAKEFILE= Makefile +AR= ar r + +CFLAGS= $(INCLUDES) $(CFLAG) + +GENERAL=Makefile +TEST= randtest.c +APPS= + +LIB=$(TOP)/libcrypto.a +LIBSRC=md_rand.c randfile.c rand_lib.c rand_eng.c rand_err.c rand_egd.c \ + rand_win.c rand_unix.c rand_os2.c rand_nw.c +LIBOBJ=md_rand.o randfile.o rand_lib.o rand_eng.o rand_err.o rand_egd.o \ + rand_win.o rand_unix.o rand_os2.o rand_nw.o + +SRC= $(LIBSRC) + +EXHEADER= rand.h +HEADER= $(EXHEADER) + +ALL= $(GENERAL) $(SRC) $(HEADER) + +top: + (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all) + +all: lib + +lib: $(LIBOBJ) + $(ARX) $(LIB) $(LIBOBJ) + $(RANLIB) $(LIB) || echo Never mind. + @touch lib + +files: + $(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO + +links: + @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER) + @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST) + @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS) + +install: + @[ -n "$(INSTALLTOP)" ] # should be set by top Makefile... + @headerlist="$(EXHEADER)"; for i in $$headerlist ; \ + do \ + (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \ + chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \ + done; + +tags: + ctags $(SRC) + +tests: + +lint: + lint -DLINT $(INCLUDES) $(SRC)>fluff + +depend: + @[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile... + $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC) + +dclean: + $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new + mv -f Makefile.new $(MAKEFILE) + +clean: + rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff + +# DO NOT DELETE THIS LINE -- make depend depends on it. + +md_rand.o: ../../e_os.h ../../include/openssl/asn1.h +md_rand.o: ../../include/openssl/bio.h ../../include/openssl/crypto.h +md_rand.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h +md_rand.o: ../../include/openssl/evp.h ../../include/openssl/fips.h +md_rand.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +md_rand.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h +md_rand.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +md_rand.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h +md_rand.o: ../../include/openssl/sha.h ../../include/openssl/stack.h +md_rand.o: ../../include/openssl/symhacks.h md_rand.c rand_lcl.h +rand_egd.o: ../../include/openssl/buffer.h ../../include/openssl/e_os2.h +rand_egd.o: ../../include/openssl/opensslconf.h +rand_egd.o: ../../include/openssl/ossl_typ.h ../../include/openssl/rand.h +rand_egd.o: rand_egd.c +rand_eng.o: ../../e_os.h ../../include/openssl/asn1.h +rand_eng.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h +rand_eng.o: ../../include/openssl/crypto.h ../../include/openssl/des.h +rand_eng.o: ../../include/openssl/des_old.h ../../include/openssl/e_os2.h +rand_eng.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h +rand_eng.o: ../../include/openssl/ecdsa.h ../../include/openssl/engine.h +rand_eng.o: ../../include/openssl/err.h ../../include/openssl/evp.h +rand_eng.o: ../../include/openssl/fips.h ../../include/openssl/fips_rand.h +rand_eng.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +rand_eng.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h +rand_eng.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +rand_eng.o: ../../include/openssl/pkcs7.h ../../include/openssl/rand.h +rand_eng.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h +rand_eng.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h +rand_eng.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h +rand_eng.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h +rand_eng.o: ../cryptlib.h rand_eng.c rand_lcl.h +rand_err.o: ../../include/openssl/bio.h ../../include/openssl/crypto.h +rand_err.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h +rand_err.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h +rand_err.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +rand_err.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h +rand_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h +rand_err.o: rand_err.c +rand_lib.o: ../../e_os.h ../../include/openssl/asn1.h +rand_lib.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h +rand_lib.o: ../../include/openssl/crypto.h ../../include/openssl/des.h +rand_lib.o: ../../include/openssl/des_old.h ../../include/openssl/e_os2.h +rand_lib.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h +rand_lib.o: ../../include/openssl/ecdsa.h ../../include/openssl/engine.h +rand_lib.o: ../../include/openssl/err.h ../../include/openssl/evp.h +rand_lib.o: ../../include/openssl/fips.h ../../include/openssl/fips_rand.h +rand_lib.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h +rand_lib.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h +rand_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +rand_lib.o: ../../include/openssl/pkcs7.h ../../include/openssl/rand.h +rand_lib.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h +rand_lib.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h +rand_lib.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h +rand_lib.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h +rand_lib.o: ../cryptlib.h rand_lcl.h rand_lib.c +rand_nw.o: ../../e_os.h ../../include/openssl/asn1.h +rand_nw.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h +rand_nw.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h +rand_nw.o: ../../include/openssl/err.h ../../include/openssl/evp.h +rand_nw.o: ../../include/openssl/fips.h ../../include/openssl/lhash.h +rand_nw.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h +rand_nw.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h +rand_nw.o: ../../include/openssl/ossl_typ.h ../../include/openssl/rand.h +rand_nw.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h +rand_nw.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h +rand_nw.o: ../cryptlib.h rand_lcl.h rand_nw.c +rand_os2.o: ../../e_os.h ../../include/openssl/asn1.h +rand_os2.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h +rand_os2.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h +rand_os2.o: ../../include/openssl/err.h ../../include/openssl/evp.h +rand_os2.o: ../../include/openssl/fips.h ../../include/openssl/lhash.h +rand_os2.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h +rand_os2.o: ../../include/openssl/opensslconf.h +rand_os2.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +rand_os2.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h +rand_os2.o: ../../include/openssl/sha.h ../../include/openssl/stack.h +rand_os2.o: ../../include/openssl/symhacks.h ../cryptlib.h rand_lcl.h +rand_os2.o: rand_os2.c +rand_unix.o: ../../e_os.h ../../include/openssl/asn1.h +rand_unix.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h +rand_unix.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h +rand_unix.o: ../../include/openssl/err.h ../../include/openssl/evp.h +rand_unix.o: ../../include/openssl/fips.h ../../include/openssl/lhash.h +rand_unix.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h +rand_unix.o: ../../include/openssl/opensslconf.h +rand_unix.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +rand_unix.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h +rand_unix.o: ../../include/openssl/sha.h ../../include/openssl/stack.h +rand_unix.o: ../../include/openssl/symhacks.h ../cryptlib.h rand_lcl.h +rand_unix.o: rand_unix.c +rand_win.o: ../../e_os.h ../../include/openssl/asn1.h +rand_win.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h +rand_win.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h +rand_win.o: ../../include/openssl/err.h ../../include/openssl/evp.h +rand_win.o: ../../include/openssl/fips.h ../../include/openssl/lhash.h +rand_win.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h +rand_win.o: ../../include/openssl/opensslconf.h +rand_win.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +rand_win.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h +rand_win.o: ../../include/openssl/sha.h ../../include/openssl/stack.h +rand_win.o: ../../include/openssl/symhacks.h ../cryptlib.h rand_lcl.h +rand_win.o: rand_win.c +randfile.o: ../../e_os.h ../../include/openssl/buffer.h +randfile.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h +randfile.o: ../../include/openssl/opensslconf.h +randfile.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +randfile.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h +randfile.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h +randfile.o: randfile.c diff --git a/openssl/crypto/rand/md_rand.c b/openssl/crypto/rand/md_rand.c new file mode 100644 index 000000000..0f8dd3e00 --- /dev/null +++ b/openssl/crypto/rand/md_rand.c @@ -0,0 +1,584 @@ +/* crypto/rand/md_rand.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#ifdef MD_RAND_DEBUG +# ifndef NDEBUG +# define NDEBUG +# endif +#endif + +#include <assert.h> +#include <stdio.h> +#include <string.h> + +#include "e_os.h" + +#include <openssl/rand.h> +#include "rand_lcl.h" + +#include <openssl/crypto.h> +#include <openssl/err.h> +#ifdef OPENSSL_FIPS +#include <openssl/fips.h> +#endif + + +#ifdef BN_DEBUG +# define PREDICT +#endif + +/* #define PREDICT 1 */ + +#define STATE_SIZE 1023 +static int state_num=0,state_index=0; +static unsigned char state[STATE_SIZE+MD_DIGEST_LENGTH]; +static unsigned char md[MD_DIGEST_LENGTH]; +static long md_count[2]={0,0}; +static double entropy=0; +static int initialized=0; + +static unsigned int crypto_lock_rand = 0; /* may be set only when a thread + * holds CRYPTO_LOCK_RAND + * (to prevent double locking) */ +/* access to lockin_thread is synchronized by CRYPTO_LOCK_RAND2 */ +static unsigned long locking_thread = 0; /* valid iff crypto_lock_rand is set */ + + +#ifdef PREDICT +int rand_predictable=0; +#endif + +const char RAND_version[]="RAND" OPENSSL_VERSION_PTEXT; + +static void ssleay_rand_cleanup(void); +static void ssleay_rand_seed(const void *buf, int num); +static void ssleay_rand_add(const void *buf, int num, double add_entropy); +static int ssleay_rand_bytes(unsigned char *buf, int num); +static int ssleay_rand_pseudo_bytes(unsigned char *buf, int num); +static int ssleay_rand_status(void); + +RAND_METHOD rand_ssleay_meth={ + ssleay_rand_seed, + ssleay_rand_bytes, + ssleay_rand_cleanup, + ssleay_rand_add, + ssleay_rand_pseudo_bytes, + ssleay_rand_status + }; + +RAND_METHOD *RAND_SSLeay(void) + { + return(&rand_ssleay_meth); + } + +static void ssleay_rand_cleanup(void) + { + OPENSSL_cleanse(state,sizeof(state)); + state_num=0; + state_index=0; + OPENSSL_cleanse(md,MD_DIGEST_LENGTH); + md_count[0]=0; + md_count[1]=0; + entropy=0; + initialized=0; + } + +static void ssleay_rand_add(const void *buf, int num, double add) + { + int i,j,k,st_idx; + long md_c[2]; + unsigned char local_md[MD_DIGEST_LENGTH]; + EVP_MD_CTX m; + int do_not_lock; + + /* + * (Based on the rand(3) manpage) + * + * The input is chopped up into units of 20 bytes (or less for + * the last block). Each of these blocks is run through the hash + * function as follows: The data passed to the hash function + * is the current 'md', the same number of bytes from the 'state' + * (the location determined by in incremented looping index) as + * the current 'block', the new key data 'block', and 'count' + * (which is incremented after each use). + * The result of this is kept in 'md' and also xored into the + * 'state' at the same locations that were used as input into the + * hash function. + */ + + /* check if we already have the lock */ + if (crypto_lock_rand) + { + CRYPTO_r_lock(CRYPTO_LOCK_RAND2); + do_not_lock = (locking_thread == CRYPTO_thread_id()); + CRYPTO_r_unlock(CRYPTO_LOCK_RAND2); + } + else + do_not_lock = 0; + + if (!do_not_lock) CRYPTO_w_lock(CRYPTO_LOCK_RAND); + st_idx=state_index; + + /* use our own copies of the counters so that even + * if a concurrent thread seeds with exactly the + * same data and uses the same subarray there's _some_ + * difference */ + md_c[0] = md_count[0]; + md_c[1] = md_count[1]; + + memcpy(local_md, md, sizeof md); + + /* state_index <= state_num <= STATE_SIZE */ + state_index += num; + if (state_index >= STATE_SIZE) + { + state_index%=STATE_SIZE; + state_num=STATE_SIZE; + } + else if (state_num < STATE_SIZE) + { + if (state_index > state_num) + state_num=state_index; + } + /* state_index <= state_num <= STATE_SIZE */ + + /* state[st_idx], ..., state[(st_idx + num - 1) % STATE_SIZE] + * are what we will use now, but other threads may use them + * as well */ + + md_count[1] += (num / MD_DIGEST_LENGTH) + (num % MD_DIGEST_LENGTH > 0); + + if (!do_not_lock) CRYPTO_w_unlock(CRYPTO_LOCK_RAND); + + EVP_MD_CTX_init(&m); + for (i=0; i<num; i+=MD_DIGEST_LENGTH) + { + j=(num-i); + j=(j > MD_DIGEST_LENGTH)?MD_DIGEST_LENGTH:j; + + MD_Init(&m); + MD_Update(&m,local_md,MD_DIGEST_LENGTH); + k=(st_idx+j)-STATE_SIZE; + if (k > 0) + { + MD_Update(&m,&(state[st_idx]),j-k); + MD_Update(&m,&(state[0]),k); + } + else + MD_Update(&m,&(state[st_idx]),j); + + MD_Update(&m,buf,j); + MD_Update(&m,(unsigned char *)&(md_c[0]),sizeof(md_c)); + MD_Final(&m,local_md); + md_c[1]++; + + buf=(const char *)buf + j; + + for (k=0; k<j; k++) + { + /* Parallel threads may interfere with this, + * but always each byte of the new state is + * the XOR of some previous value of its + * and local_md (itermediate values may be lost). + * Alway using locking could hurt performance more + * than necessary given that conflicts occur only + * when the total seeding is longer than the random + * state. */ + state[st_idx++]^=local_md[k]; + if (st_idx >= STATE_SIZE) + st_idx=0; + } + } + EVP_MD_CTX_cleanup(&m); + + if (!do_not_lock) CRYPTO_w_lock(CRYPTO_LOCK_RAND); + /* Don't just copy back local_md into md -- this could mean that + * other thread's seeding remains without effect (except for + * the incremented counter). By XORing it we keep at least as + * much entropy as fits into md. */ + for (k = 0; k < (int)sizeof(md); k++) + { + md[k] ^= local_md[k]; + } + if (entropy < ENTROPY_NEEDED) /* stop counting when we have enough */ + entropy += add; + if (!do_not_lock) CRYPTO_w_unlock(CRYPTO_LOCK_RAND); + +#if !defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) + assert(md_c[1] == md_count[1]); +#endif + } + +static void ssleay_rand_seed(const void *buf, int num) + { + ssleay_rand_add(buf, num, (double)num); + } + +static int ssleay_rand_bytes(unsigned char *buf, int num) + { + static volatile int stirred_pool = 0; + int i,j,k,st_num,st_idx; + int num_ceil; + int ok; + long md_c[2]; + unsigned char local_md[MD_DIGEST_LENGTH]; + EVP_MD_CTX m; +#ifndef GETPID_IS_MEANINGLESS + pid_t curr_pid = getpid(); +#endif + int do_stir_pool = 0; + +#ifdef OPENSSL_FIPS + if(FIPS_mode()) + { + FIPSerr(FIPS_F_SSLEAY_RAND_BYTES,FIPS_R_NON_FIPS_METHOD); + return 0; + } +#endif + +#ifdef PREDICT + if (rand_predictable) + { + static unsigned char val=0; + + for (i=0; i<num; i++) + buf[i]=val++; + return(1); + } +#endif + + if (num <= 0) + return 1; + + EVP_MD_CTX_init(&m); + /* round upwards to multiple of MD_DIGEST_LENGTH/2 */ + num_ceil = (1 + (num-1)/(MD_DIGEST_LENGTH/2)) * (MD_DIGEST_LENGTH/2); + + /* + * (Based on the rand(3) manpage:) + * + * For each group of 10 bytes (or less), we do the following: + * + * Input into the hash function the local 'md' (which is initialized from + * the global 'md' before any bytes are generated), the bytes that are to + * be overwritten by the random bytes, and bytes from the 'state' + * (incrementing looping index). From this digest output (which is kept + * in 'md'), the top (up to) 10 bytes are returned to the caller and the + * bottom 10 bytes are xored into the 'state'. + * + * Finally, after we have finished 'num' random bytes for the + * caller, 'count' (which is incremented) and the local and global 'md' + * are fed into the hash function and the results are kept in the + * global 'md'. + */ + + CRYPTO_w_lock(CRYPTO_LOCK_RAND); + + /* prevent ssleay_rand_bytes() from trying to obtain the lock again */ + CRYPTO_w_lock(CRYPTO_LOCK_RAND2); + locking_thread = CRYPTO_thread_id(); + CRYPTO_w_unlock(CRYPTO_LOCK_RAND2); + crypto_lock_rand = 1; + + if (!initialized) + { + RAND_poll(); + initialized = 1; + } + + if (!stirred_pool) + do_stir_pool = 1; + + ok = (entropy >= ENTROPY_NEEDED); + if (!ok) + { + /* If the PRNG state is not yet unpredictable, then seeing + * the PRNG output may help attackers to determine the new + * state; thus we have to decrease the entropy estimate. + * Once we've had enough initial seeding we don't bother to + * adjust the entropy count, though, because we're not ambitious + * to provide *information-theoretic* randomness. + * + * NOTE: This approach fails if the program forks before + * we have enough entropy. Entropy should be collected + * in a separate input pool and be transferred to the + * output pool only when the entropy limit has been reached. + */ + entropy -= num; + if (entropy < 0) + entropy = 0; + } + + if (do_stir_pool) + { + /* In the output function only half of 'md' remains secret, + * so we better make sure that the required entropy gets + * 'evenly distributed' through 'state', our randomness pool. + * The input function (ssleay_rand_add) chains all of 'md', + * which makes it more suitable for this purpose. + */ + + int n = STATE_SIZE; /* so that the complete pool gets accessed */ + while (n > 0) + { +#if MD_DIGEST_LENGTH > 20 +# error "Please adjust DUMMY_SEED." +#endif +#define DUMMY_SEED "...................." /* at least MD_DIGEST_LENGTH */ + /* Note that the seed does not matter, it's just that + * ssleay_rand_add expects to have something to hash. */ + ssleay_rand_add(DUMMY_SEED, MD_DIGEST_LENGTH, 0.0); + n -= MD_DIGEST_LENGTH; + } + if (ok) + stirred_pool = 1; + } + + st_idx=state_index; + st_num=state_num; + md_c[0] = md_count[0]; + md_c[1] = md_count[1]; + memcpy(local_md, md, sizeof md); + + state_index+=num_ceil; + if (state_index > state_num) + state_index %= state_num; + + /* state[st_idx], ..., state[(st_idx + num_ceil - 1) % st_num] + * are now ours (but other threads may use them too) */ + + md_count[0] += 1; + + /* before unlocking, we must clear 'crypto_lock_rand' */ + crypto_lock_rand = 0; + CRYPTO_w_unlock(CRYPTO_LOCK_RAND); + + while (num > 0) + { + /* num_ceil -= MD_DIGEST_LENGTH/2 */ + j=(num >= MD_DIGEST_LENGTH/2)?MD_DIGEST_LENGTH/2:num; + num-=j; + MD_Init(&m); +#ifndef GETPID_IS_MEANINGLESS + if (curr_pid) /* just in the first iteration to save time */ + { + MD_Update(&m,(unsigned char*)&curr_pid,sizeof curr_pid); + curr_pid = 0; + } +#endif + MD_Update(&m,local_md,MD_DIGEST_LENGTH); + MD_Update(&m,(unsigned char *)&(md_c[0]),sizeof(md_c)); +#ifndef PURIFY + MD_Update(&m,buf,j); /* purify complains */ +#endif + k=(st_idx+MD_DIGEST_LENGTH/2)-st_num; + if (k > 0) + { + MD_Update(&m,&(state[st_idx]),MD_DIGEST_LENGTH/2-k); + MD_Update(&m,&(state[0]),k); + } + else + MD_Update(&m,&(state[st_idx]),MD_DIGEST_LENGTH/2); + MD_Final(&m,local_md); + + for (i=0; i<MD_DIGEST_LENGTH/2; i++) + { + state[st_idx++]^=local_md[i]; /* may compete with other threads */ + if (st_idx >= st_num) + st_idx=0; + if (i < j) + *(buf++)=local_md[i+MD_DIGEST_LENGTH/2]; + } + } + + MD_Init(&m); + MD_Update(&m,(unsigned char *)&(md_c[0]),sizeof(md_c)); + MD_Update(&m,local_md,MD_DIGEST_LENGTH); + CRYPTO_w_lock(CRYPTO_LOCK_RAND); + MD_Update(&m,md,MD_DIGEST_LENGTH); + MD_Final(&m,md); + CRYPTO_w_unlock(CRYPTO_LOCK_RAND); + + EVP_MD_CTX_cleanup(&m); + if (ok) + return(1); + else + { + RANDerr(RAND_F_SSLEAY_RAND_BYTES,RAND_R_PRNG_NOT_SEEDED); + ERR_add_error_data(1, "You need to read the OpenSSL FAQ, " + "http://www.openssl.org/support/faq.html"); + return(0); + } + } + +/* pseudo-random bytes that are guaranteed to be unique but not + unpredictable */ +static int ssleay_rand_pseudo_bytes(unsigned char *buf, int num) + { + int ret; + unsigned long err; + + ret = RAND_bytes(buf, num); + if (ret == 0) + { + err = ERR_peek_error(); + if (ERR_GET_LIB(err) == ERR_LIB_RAND && + ERR_GET_REASON(err) == RAND_R_PRNG_NOT_SEEDED) + ERR_clear_error(); + } + return (ret); + } + +static int ssleay_rand_status(void) + { + int ret; + int do_not_lock; + + /* check if we already have the lock + * (could happen if a RAND_poll() implementation calls RAND_status()) */ + if (crypto_lock_rand) + { + CRYPTO_r_lock(CRYPTO_LOCK_RAND2); + do_not_lock = (locking_thread == CRYPTO_thread_id()); + CRYPTO_r_unlock(CRYPTO_LOCK_RAND2); + } + else + do_not_lock = 0; + + if (!do_not_lock) + { + CRYPTO_w_lock(CRYPTO_LOCK_RAND); + + /* prevent ssleay_rand_bytes() from trying to obtain the lock again */ + CRYPTO_w_lock(CRYPTO_LOCK_RAND2); + locking_thread = CRYPTO_thread_id(); + CRYPTO_w_unlock(CRYPTO_LOCK_RAND2); + crypto_lock_rand = 1; + } + + if (!initialized) + { + RAND_poll(); + initialized = 1; + } + + ret = entropy >= ENTROPY_NEEDED; + + if (!do_not_lock) + { + /* before unlocking, we must clear 'crypto_lock_rand' */ + crypto_lock_rand = 0; + + CRYPTO_w_unlock(CRYPTO_LOCK_RAND); + } + + return ret; + } diff --git a/openssl/crypto/rand/rand.h b/openssl/crypto/rand/rand.h new file mode 100644 index 000000000..ea89153cb --- /dev/null +++ b/openssl/crypto/rand/rand.h @@ -0,0 +1,167 @@ +/* crypto/rand/rand.h */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#ifndef HEADER_RAND_H +#define HEADER_RAND_H + +#include <stdlib.h> +#include <openssl/ossl_typ.h> +#include <openssl/e_os2.h> + +#if defined(OPENSSL_SYS_WINDOWS) +#include <windows.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(OPENSSL_FIPS) +#define FIPS_RAND_SIZE_T int +#endif + +/* Already defined in ossl_typ.h */ +/* typedef struct rand_meth_st RAND_METHOD; */ + +struct rand_meth_st + { + void (*seed)(const void *buf, int num); + int (*bytes)(unsigned char *buf, int num); + void (*cleanup)(void); + void (*add)(const void *buf, int num, double entropy); + int (*pseudorand)(unsigned char *buf, int num); + int (*status)(void); + }; + +#ifdef BN_DEBUG +extern int rand_predictable; +#endif + +int RAND_set_rand_method(const RAND_METHOD *meth); +const RAND_METHOD *RAND_get_rand_method(void); +#ifndef OPENSSL_NO_ENGINE +int RAND_set_rand_engine(ENGINE *engine); +#endif +RAND_METHOD *RAND_SSLeay(void); +void RAND_cleanup(void ); +int RAND_bytes(unsigned char *buf,int num); +int RAND_pseudo_bytes(unsigned char *buf,int num); +void RAND_seed(const void *buf,int num); +void RAND_add(const void *buf,int num,double entropy); +int RAND_load_file(const char *file,long max_bytes); +int RAND_write_file(const char *file); +const char *RAND_file_name(char *file,size_t num); +int RAND_status(void); +int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes); +int RAND_egd(const char *path); +int RAND_egd_bytes(const char *path,int bytes); +int RAND_poll(void); +#ifndef OPENSSL_NO_ENGINE +#ifdef OPENSSL_FIPS +void int_RAND_init_engine_callbacks(void); +void int_RAND_set_callbacks( + int (*set_rand_func)(const RAND_METHOD *meth, + const RAND_METHOD **pmeth), + const RAND_METHOD *(*get_rand_func)(const RAND_METHOD **pmeth)); +#endif +#endif + +#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) + +void RAND_screen(void); +int RAND_event(UINT, WPARAM, LPARAM); + +#endif + +/* BEGIN ERROR CODES */ +/* The following lines are auto generated by the script mkerr.pl. Any changes + * made after this point may be overwritten when the script is next run. + */ +void ERR_load_RAND_strings(void); + +/* Error codes for the RAND functions. */ + +/* Function codes. */ +#define RAND_F_ENG_RAND_GET_RAND_METHOD 108 +#define RAND_F_FIPS_RAND 103 +#define RAND_F_FIPS_RAND_BYTES 102 +#define RAND_F_FIPS_RAND_GET_RAND_METHOD 109 +#define RAND_F_FIPS_RAND_SET_DT 106 +#define RAND_F_FIPS_SET_DT 104 +#define RAND_F_FIPS_SET_PRNG_SEED 107 +#define RAND_F_FIPS_SET_TEST_MODE 105 +#define RAND_F_RAND_GET_RAND_METHOD 101 +#define RAND_F_SSLEAY_RAND_BYTES 100 + +/* Reason codes. */ +#define RAND_R_NON_FIPS_METHOD 105 +#define RAND_R_NOT_IN_TEST_MODE 106 +#define RAND_R_NO_KEY_SET 107 +#define RAND_R_PRNG_ASKING_FOR_TOO_MUCH 101 +#define RAND_R_PRNG_ERROR 108 +#define RAND_R_PRNG_KEYED 109 +#define RAND_R_PRNG_NOT_REKEYED 102 +#define RAND_R_PRNG_NOT_RESEEDED 103 +#define RAND_R_PRNG_NOT_SEEDED 100 +#define RAND_R_PRNG_SEED_MUST_NOT_MATCH_KEY 110 +#define RAND_R_PRNG_STUCK 104 + +#ifdef __cplusplus +} +#endif +#endif diff --git a/openssl/crypto/rand/rand_egd.c b/openssl/crypto/rand/rand_egd.c new file mode 100644 index 000000000..50bce6cab --- /dev/null +++ b/openssl/crypto/rand/rand_egd.c @@ -0,0 +1,303 @@ +/* crypto/rand/rand_egd.c */ +/* Written by Ulf Moeller and Lutz Jaenicke for the OpenSSL project. */ +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <openssl/e_os2.h> +#include <openssl/rand.h> +#include <openssl/buffer.h> + +/* + * Query the EGD <URL: http://www.lothar.com/tech/crypto/>. + * + * This module supplies three routines: + * + * RAND_query_egd_bytes(path, buf, bytes) + * will actually query "bytes" bytes of entropy form the egd-socket located + * at path and will write them to buf (if supplied) or will directly feed + * it to RAND_seed() if buf==NULL. + * The number of bytes is not limited by the maximum chunk size of EGD, + * which is 255 bytes. If more than 255 bytes are wanted, several chunks + * of entropy bytes are requested. The connection is left open until the + * query is competed. + * RAND_query_egd_bytes() returns with + * -1 if an error occured during connection or communication. + * num the number of bytes read from the EGD socket. This number is either + * the number of bytes requested or smaller, if the EGD pool is + * drained and the daemon signals that the pool is empty. + * This routine does not touch any RAND_status(). This is necessary, since + * PRNG functions may call it during initialization. + * + * RAND_egd_bytes(path, bytes) will query "bytes" bytes and have them + * used to seed the PRNG. + * RAND_egd_bytes() is a wrapper for RAND_query_egd_bytes() with buf=NULL. + * Unlike RAND_query_egd_bytes(), RAND_status() is used to test the + * seed status so that the return value can reflect the seed state: + * -1 if an error occured during connection or communication _or_ + * if the PRNG has still not received the required seeding. + * num the number of bytes read from the EGD socket. This number is either + * the number of bytes requested or smaller, if the EGD pool is + * drained and the daemon signals that the pool is empty. + * + * RAND_egd(path) will query 255 bytes and use the bytes retreived to seed + * the PRNG. + * RAND_egd() is a wrapper for RAND_egd_bytes() with numbytes=255. + */ + +#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_VOS) +int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes) + { + return(-1); + } +int RAND_egd(const char *path) + { + return(-1); + } + +int RAND_egd_bytes(const char *path,int bytes) + { + return(-1); + } +#else +#include <openssl/opensslconf.h> +#include OPENSSL_UNISTD +#include <sys/types.h> +#include <sys/socket.h> +#ifndef NO_SYS_UN_H +# ifdef OPENSSL_SYS_VXWORKS +# include <streams/un.h> +# else +# include <sys/un.h> +# endif +#else +struct sockaddr_un { + short sun_family; /* AF_UNIX */ + char sun_path[108]; /* path name (gag) */ +}; +#endif /* NO_SYS_UN_H */ +#include <string.h> +#include <errno.h> + +#ifndef offsetof +# define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) +#endif + +int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes) + { + int ret = 0; + struct sockaddr_un addr; + int len, num, numbytes; + int fd = -1; + int success; + unsigned char egdbuf[2], tempbuf[255], *retrievebuf; + + memset(&addr, 0, sizeof(addr)); + addr.sun_family = AF_UNIX; + if (strlen(path) >= sizeof(addr.sun_path)) + return (-1); + BUF_strlcpy(addr.sun_path,path,sizeof addr.sun_path); + len = offsetof(struct sockaddr_un, sun_path) + strlen(path); + fd = socket(AF_UNIX, SOCK_STREAM, 0); + if (fd == -1) return (-1); + success = 0; + while (!success) + { + if (connect(fd, (struct sockaddr *)&addr, len) == 0) + success = 1; + else + { + switch (errno) + { +#ifdef EINTR + case EINTR: +#endif +#ifdef EAGAIN + case EAGAIN: +#endif +#ifdef EINPROGRESS + case EINPROGRESS: +#endif +#ifdef EALREADY + case EALREADY: +#endif + /* No error, try again */ + break; +#ifdef EISCONN + case EISCONN: + success = 1; + break; +#endif + default: + goto err; /* failure */ + } + } + } + + while(bytes > 0) + { + egdbuf[0] = 1; + egdbuf[1] = bytes < 255 ? bytes : 255; + numbytes = 0; + while (numbytes != 2) + { + num = write(fd, egdbuf + numbytes, 2 - numbytes); + if (num >= 0) + numbytes += num; + else + { + switch (errno) + { +#ifdef EINTR + case EINTR: +#endif +#ifdef EAGAIN + case EAGAIN: +#endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + numbytes = 0; + while (numbytes != 1) + { + num = read(fd, egdbuf, 1); + if (num == 0) + goto err; /* descriptor closed */ + else if (num > 0) + numbytes += num; + else + { + switch (errno) + { +#ifdef EINTR + case EINTR: +#endif +#ifdef EAGAIN + case EAGAIN: +#endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + if(egdbuf[0] == 0) + goto err; + if (buf) + retrievebuf = buf + ret; + else + retrievebuf = tempbuf; + numbytes = 0; + while (numbytes != egdbuf[0]) + { + num = read(fd, retrievebuf + numbytes, egdbuf[0] - numbytes); + if (num == 0) + goto err; /* descriptor closed */ + else if (num > 0) + numbytes += num; + else + { + switch (errno) + { +#ifdef EINTR + case EINTR: +#endif +#ifdef EAGAIN + case EAGAIN: +#endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + ret += egdbuf[0]; + bytes -= egdbuf[0]; + if (!buf) + RAND_seed(tempbuf, egdbuf[0]); + } + err: + if (fd != -1) close(fd); + return(ret); + } + + +int RAND_egd_bytes(const char *path, int bytes) + { + int num, ret = 0; + + num = RAND_query_egd_bytes(path, NULL, bytes); + if (num < 1) goto err; + if (RAND_status() == 1) + ret = num; + err: + return(ret); + } + + +int RAND_egd(const char *path) + { + return (RAND_egd_bytes(path, 255)); + } + + +#endif diff --git a/openssl/crypto/rand/rand_eng.c b/openssl/crypto/rand/rand_eng.c new file mode 100644 index 000000000..1669cef43 --- /dev/null +++ b/openssl/crypto/rand/rand_eng.c @@ -0,0 +1,152 @@ +/* crypto/rand/rand_lib.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include <time.h> +#include "cryptlib.h" +#include "rand_lcl.h" +#include <openssl/rand.h> +#ifdef OPENSSL_FIPS +#include <openssl/fips.h> +#include <openssl/fips_rand.h> +#endif + +#ifndef OPENSSL_NO_ENGINE +#include <openssl/engine.h> +#endif + +#if defined(OPENSSL_FIPS) && !defined(OPENSSL_NO_ENGINE) + +/* non-NULL if default_RAND_meth is ENGINE-provided */ +static ENGINE *funct_ref =NULL; + +int eng_RAND_set_rand_method(const RAND_METHOD *meth, const RAND_METHOD **pmeth) + { + if(funct_ref) + { + ENGINE_finish(funct_ref); + funct_ref = NULL; + } + *pmeth = meth; + return 1; + } + +const RAND_METHOD *eng_RAND_get_rand_method(const RAND_METHOD **pmeth) + { + if (!*pmeth) + { + ENGINE *e = ENGINE_get_default_RAND(); + if(e) + { + *pmeth = ENGINE_get_RAND(e); + if(!*pmeth) + { + ENGINE_finish(e); + e = NULL; + } + } + if(e) + funct_ref = e; + else + if(FIPS_mode()) + *pmeth=FIPS_rand_method(); + else + *pmeth = RAND_SSLeay(); + } + + if(FIPS_mode() + && *pmeth != FIPS_rand_check()) + { + RANDerr(RAND_F_ENG_RAND_GET_RAND_METHOD,RAND_R_NON_FIPS_METHOD); + return 0; + } + + return *pmeth; + } + +int RAND_set_rand_engine(ENGINE *engine) + { + const RAND_METHOD *tmp_meth = NULL; + if(engine) + { + if(!ENGINE_init(engine)) + return 0; + tmp_meth = ENGINE_get_RAND(engine); + if(!tmp_meth) + { + ENGINE_finish(engine); + return 0; + } + } + /* This function releases any prior ENGINE so call it first */ + RAND_set_rand_method(tmp_meth); + funct_ref = engine; + return 1; + } + +void int_RAND_init_engine_callbacks(void) + { + static int done = 0; + if (done) + return; + int_RAND_set_callbacks(eng_RAND_set_rand_method, + eng_RAND_get_rand_method); + done = 1; + } + +#endif diff --git a/openssl/crypto/rand/rand_err.c b/openssl/crypto/rand/rand_err.c new file mode 100644 index 000000000..829fb44d7 --- /dev/null +++ b/openssl/crypto/rand/rand_err.c @@ -0,0 +1,114 @@ +/* crypto/rand/rand_err.c */ +/* ==================================================================== + * Copyright (c) 1999-2007 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +/* NOTE: this file was auto generated by the mkerr.pl script: any changes + * made to it will be overwritten when the script next updates this file, + * only reason strings will be preserved. + */ + +#include <stdio.h> +#include <openssl/err.h> +#include <openssl/rand.h> + +/* BEGIN ERROR CODES */ +#ifndef OPENSSL_NO_ERR + +#define ERR_FUNC(func) ERR_PACK(ERR_LIB_RAND,func,0) +#define ERR_REASON(reason) ERR_PACK(ERR_LIB_RAND,0,reason) + +static ERR_STRING_DATA RAND_str_functs[]= + { +{ERR_FUNC(RAND_F_ENG_RAND_GET_RAND_METHOD), "ENG_RAND_GET_RAND_METHOD"}, +{ERR_FUNC(RAND_F_FIPS_RAND), "FIPS_RAND"}, +{ERR_FUNC(RAND_F_FIPS_RAND_BYTES), "FIPS_RAND_BYTES"}, +{ERR_FUNC(RAND_F_FIPS_RAND_GET_RAND_METHOD), "FIPS_RAND_GET_RAND_METHOD"}, +{ERR_FUNC(RAND_F_FIPS_RAND_SET_DT), "FIPS_RAND_SET_DT"}, +{ERR_FUNC(RAND_F_FIPS_SET_DT), "FIPS_SET_DT"}, +{ERR_FUNC(RAND_F_FIPS_SET_PRNG_SEED), "FIPS_SET_PRNG_SEED"}, +{ERR_FUNC(RAND_F_FIPS_SET_TEST_MODE), "FIPS_SET_TEST_MODE"}, +{ERR_FUNC(RAND_F_RAND_GET_RAND_METHOD), "RAND_get_rand_method"}, +{ERR_FUNC(RAND_F_SSLEAY_RAND_BYTES), "SSLEAY_RAND_BYTES"}, +{0,NULL} + }; + +static ERR_STRING_DATA RAND_str_reasons[]= + { +{ERR_REASON(RAND_R_NON_FIPS_METHOD) ,"non fips method"}, +{ERR_REASON(RAND_R_NOT_IN_TEST_MODE) ,"not in test mode"}, +{ERR_REASON(RAND_R_NO_KEY_SET) ,"no key set"}, +{ERR_REASON(RAND_R_PRNG_ASKING_FOR_TOO_MUCH),"prng asking for too much"}, +{ERR_REASON(RAND_R_PRNG_ERROR) ,"prng error"}, +{ERR_REASON(RAND_R_PRNG_KEYED) ,"prng keyed"}, +{ERR_REASON(RAND_R_PRNG_NOT_REKEYED) ,"prng not rekeyed"}, +{ERR_REASON(RAND_R_PRNG_NOT_RESEEDED) ,"prng not reseeded"}, +{ERR_REASON(RAND_R_PRNG_NOT_SEEDED) ,"PRNG not seeded"}, +{ERR_REASON(RAND_R_PRNG_SEED_MUST_NOT_MATCH_KEY),"prng seed must not match key"}, +{ERR_REASON(RAND_R_PRNG_STUCK) ,"prng stuck"}, +{0,NULL} + }; + +#endif + +void ERR_load_RAND_strings(void) + { +#ifndef OPENSSL_NO_ERR + + if (ERR_func_error_string(RAND_str_functs[0].error) == NULL) + { + ERR_load_strings(0,RAND_str_functs); + ERR_load_strings(0,RAND_str_reasons); + } +#endif + } diff --git a/openssl/crypto/rand/rand_lcl.h b/openssl/crypto/rand/rand_lcl.h new file mode 100644 index 000000000..18cc9b1e4 --- /dev/null +++ b/openssl/crypto/rand/rand_lcl.h @@ -0,0 +1,169 @@ +/* crypto/rand/rand_lcl.h */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#ifndef HEADER_RAND_LCL_H +#define HEADER_RAND_LCL_H + +#define ENTROPY_NEEDED 32 /* require 256 bits = 32 bytes of randomness */ + + +#if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND) +#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) +#define USE_SHA1_RAND +#elif !defined(OPENSSL_NO_MD5) +#define USE_MD5_RAND +#elif !defined(OPENSSL_NO_MDC2) && !defined(OPENSSL_NO_DES) +#define USE_MDC2_RAND +#elif !defined(OPENSSL_NO_MD2) +#define USE_MD2_RAND +#else +#error No message digest algorithm available +#endif +#endif + +#include <openssl/evp.h> +#define MD_Update(a,b,c) EVP_DigestUpdate(a,b,c) +#define MD_Final(a,b) EVP_DigestFinal_ex(a,b,NULL) +#if defined(USE_MD5_RAND) +#include <openssl/md5.h> +#define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH +#define MD_Init(a) EVP_DigestInit_ex(a,EVP_md5(), NULL) +#define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md5(), NULL) +#elif defined(USE_SHA1_RAND) +#include <openssl/sha.h> +#define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH +#define MD_Init(a) EVP_DigestInit_ex(a,EVP_sha1(), NULL) +#define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_sha1(), NULL) +#elif defined(USE_MDC2_RAND) +#include <openssl/mdc2.h> +#define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH +#define MD_Init(a) EVP_DigestInit_ex(a,EVP_mdc2(), NULL) +#define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_mdc2(), NULL) +#elif defined(USE_MD2_RAND) +#include <openssl/md2.h> +#define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH +#define MD_Init(a) EVP_DigestInit_ex(a,EVP_md2(), NULL) +#define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md2(), NULL) +#endif + +#ifndef OPENSSL_NO_ENGINE +void int_RAND_set_callbacks( + int (*set_rand_func)(const RAND_METHOD *meth, + const RAND_METHOD **pmeth), + const RAND_METHOD *(*get_rand_func) + (const RAND_METHOD **pmeth)); +int eng_RAND_set_rand_method(const RAND_METHOD *meth, + const RAND_METHOD **pmeth); +const RAND_METHOD *eng_RAND_get_rand_method(const RAND_METHOD **pmeth); +#endif + + +#endif diff --git a/openssl/crypto/rand/rand_lib.c b/openssl/crypto/rand/rand_lib.c new file mode 100644 index 000000000..da6b4e0e8 --- /dev/null +++ b/openssl/crypto/rand/rand_lib.c @@ -0,0 +1,245 @@ +/* crypto/rand/rand_lib.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include <time.h> +#include "cryptlib.h" +#include <openssl/rand.h> +#include "rand_lcl.h" +#ifdef OPENSSL_FIPS +#include <openssl/fips.h> +#include <openssl/fips_rand.h> +#endif + +#ifndef OPENSSL_NO_ENGINE +#include <openssl/engine.h> +#endif + +static const RAND_METHOD *default_RAND_meth = NULL; + +#ifdef OPENSSL_FIPS + +static int fips_RAND_set_rand_method(const RAND_METHOD *meth, + const RAND_METHOD **pmeth) + { + *pmeth = meth; + return 1; + } + +static const RAND_METHOD *fips_RAND_get_rand_method(const RAND_METHOD **pmeth) + { + if (!*pmeth) + { + if(FIPS_mode()) + *pmeth=FIPS_rand_method(); + else + *pmeth = RAND_SSLeay(); + } + + if(FIPS_mode() + && *pmeth != FIPS_rand_check()) + { + RANDerr(RAND_F_FIPS_RAND_GET_RAND_METHOD,RAND_R_NON_FIPS_METHOD); + return 0; + } + + return *pmeth; + } + +static int (*RAND_set_rand_method_func)(const RAND_METHOD *meth, + const RAND_METHOD **pmeth) + = fips_RAND_set_rand_method; +static const RAND_METHOD *(*RAND_get_rand_method_func) + (const RAND_METHOD **pmeth) + = fips_RAND_get_rand_method; + +#ifndef OPENSSL_NO_ENGINE +void int_RAND_set_callbacks( + int (*set_rand_func)(const RAND_METHOD *meth, + const RAND_METHOD **pmeth), + const RAND_METHOD *(*get_rand_func) + (const RAND_METHOD **pmeth)) + { + RAND_set_rand_method_func = set_rand_func; + RAND_get_rand_method_func = get_rand_func; + } +#endif + +int RAND_set_rand_method(const RAND_METHOD *meth) + { + return RAND_set_rand_method_func(meth, &default_RAND_meth); + } + +const RAND_METHOD *RAND_get_rand_method(void) + { + return RAND_get_rand_method_func(&default_RAND_meth); + } + +#else + +#ifndef OPENSSL_NO_ENGINE +/* non-NULL if default_RAND_meth is ENGINE-provided */ +static ENGINE *funct_ref =NULL; +#endif + +int RAND_set_rand_method(const RAND_METHOD *meth) + { +#ifndef OPENSSL_NO_ENGINE + if(funct_ref) + { + ENGINE_finish(funct_ref); + funct_ref = NULL; + } +#endif + default_RAND_meth = meth; + return 1; + } + +const RAND_METHOD *RAND_get_rand_method(void) + { + if (!default_RAND_meth) + { +#ifndef OPENSSL_NO_ENGINE + ENGINE *e = ENGINE_get_default_RAND(); + if(e) + { + default_RAND_meth = ENGINE_get_RAND(e); + if(!default_RAND_meth) + { + ENGINE_finish(e); + e = NULL; + } + } + if(e) + funct_ref = e; + else +#endif + default_RAND_meth = RAND_SSLeay(); + } + return default_RAND_meth; + } + +#ifndef OPENSSL_NO_ENGINE +int RAND_set_rand_engine(ENGINE *engine) + { + const RAND_METHOD *tmp_meth = NULL; + if(engine) + { + if(!ENGINE_init(engine)) + return 0; + tmp_meth = ENGINE_get_RAND(engine); + if(!tmp_meth) + { + ENGINE_finish(engine); + return 0; + } + } + /* This function releases any prior ENGINE so call it first */ + RAND_set_rand_method(tmp_meth); + funct_ref = engine; + return 1; + } +#endif + +#endif + +void RAND_cleanup(void) + { + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->cleanup) + meth->cleanup(); + RAND_set_rand_method(NULL); + } + +void RAND_seed(const void *buf, int num) + { + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->seed) + meth->seed(buf,num); + } + +void RAND_add(const void *buf, int num, double entropy) + { + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->add) + meth->add(buf,num,entropy); + } + +int RAND_bytes(unsigned char *buf, int num) + { + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->bytes) + return meth->bytes(buf,num); + return(-1); + } + +int RAND_pseudo_bytes(unsigned char *buf, int num) + { + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->pseudorand) + return meth->pseudorand(buf,num); + return(-1); + } + +int RAND_status(void) + { + const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth && meth->status) + return meth->status(); + return 0; + } diff --git a/openssl/crypto/rand/rand_nw.c b/openssl/crypto/rand/rand_nw.c new file mode 100644 index 000000000..f177ffbe8 --- /dev/null +++ b/openssl/crypto/rand/rand_nw.c @@ -0,0 +1,183 @@ +/* crypto/rand/rand_nw.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include "cryptlib.h" +#include <openssl/rand.h> +#include "rand_lcl.h" + +#if defined (OPENSSL_SYS_NETWARE) + +#if defined(NETWARE_LIBC) +#include <nks/thread.h> +#else +#include <nwthread.h> +#endif + +extern int GetProcessSwitchCount(void); +#if !defined(NETWARE_LIBC) || (CURRENT_NDK_THRESHOLD < 509220000) +extern void *RunningProcess; /* declare here same as found in newer NDKs */ +extern unsigned long GetSuperHighResolutionTimer(void); +#endif + + /* the FAQ indicates we need to provide at least 20 bytes (160 bits) of seed + */ +int RAND_poll(void) +{ + unsigned long l; + unsigned long tsc; + int i; + + /* There are several options to gather miscellaneous data + * but for now we will loop checking the time stamp counter (rdtsc) and + * the SuperHighResolutionTimer. Each iteration will collect 8 bytes + * of data but it is treated as only 1 byte of entropy. The call to + * ThreadSwitchWithDelay() will introduce additional variability into + * the data returned by rdtsc. + * + * Applications can agument the seed material by adding additional + * stuff with RAND_add() and should probably do so. + */ + l = GetProcessSwitchCount(); + RAND_add(&l,sizeof(l),1); + + /* need to cast the void* to unsigned long here */ + l = (unsigned long)RunningProcess; + RAND_add(&l,sizeof(l),1); + + for( i=2; i<ENTROPY_NEEDED; i++) + { +#ifdef __MWERKS__ + asm + { + rdtsc + mov tsc, eax + } +#else + asm volatile("rdtsc":"=A" (tsc)); +#endif + + RAND_add(&tsc, sizeof(tsc), 1); + + l = GetSuperHighResolutionTimer(); + RAND_add(&l, sizeof(l), 0); + +# if defined(NETWARE_LIBC) + NXThreadYield(); +# else /* NETWARE_CLIB */ + ThreadSwitchWithDelay(); +# endif + } + + return 1; +} + +#endif + diff --git a/openssl/crypto/rand/rand_os2.c b/openssl/crypto/rand/rand_os2.c new file mode 100644 index 000000000..c3e36d4e5 --- /dev/null +++ b/openssl/crypto/rand/rand_os2.c @@ -0,0 +1,147 @@ +/* crypto/rand/rand_os2.c */ +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include "cryptlib.h" +#include <openssl/rand.h> +#include "rand_lcl.h" + +#ifdef OPENSSL_SYS_OS2 + +#define INCL_DOSPROCESS +#define INCL_DOSPROFILE +#define INCL_DOSMISC +#define INCL_DOSMODULEMGR +#include <os2.h> + +#define CMD_KI_RDCNT (0x63) + +typedef struct _CPUUTIL { + ULONG ulTimeLow; /* Low 32 bits of time stamp */ + ULONG ulTimeHigh; /* High 32 bits of time stamp */ + ULONG ulIdleLow; /* Low 32 bits of idle time */ + ULONG ulIdleHigh; /* High 32 bits of idle time */ + ULONG ulBusyLow; /* Low 32 bits of busy time */ + ULONG ulBusyHigh; /* High 32 bits of busy time */ + ULONG ulIntrLow; /* Low 32 bits of interrupt time */ + ULONG ulIntrHigh; /* High 32 bits of interrupt time */ +} CPUUTIL; + +APIRET APIENTRY(*DosPerfSysCall) (ULONG ulCommand, ULONG ulParm1, ULONG ulParm2, ULONG ulParm3) = NULL; +APIRET APIENTRY(*DosQuerySysState) (ULONG func, ULONG arg1, ULONG pid, ULONG _res_, PVOID buf, ULONG bufsz) = NULL; +HMODULE hDoscalls = 0; + +int RAND_poll(void) +{ + char failed_module[20]; + QWORD qwTime; + ULONG SysVars[QSV_FOREGROUND_PROCESS]; + + if (hDoscalls == 0) { + ULONG rc = DosLoadModule(failed_module, sizeof(failed_module), "DOSCALLS", &hDoscalls); + + if (rc == 0) { + rc = DosQueryProcAddr(hDoscalls, 976, NULL, (PFN *)&DosPerfSysCall); + + if (rc) + DosPerfSysCall = NULL; + + rc = DosQueryProcAddr(hDoscalls, 368, NULL, (PFN *)&DosQuerySysState); + + if (rc) + DosQuerySysState = NULL; + } + } + + /* Sample the hi-res timer, runs at around 1.1 MHz */ + DosTmrQueryTime(&qwTime); + RAND_add(&qwTime, sizeof(qwTime), 2); + + /* Sample a bunch of system variables, includes various process & memory statistics */ + DosQuerySysInfo(1, QSV_FOREGROUND_PROCESS, SysVars, sizeof(SysVars)); + RAND_add(SysVars, sizeof(SysVars), 4); + + /* If available, sample CPU registers that count at CPU MHz + * Only fairly new CPUs (PPro & K6 onwards) & OS/2 versions support this + */ + if (DosPerfSysCall) { + CPUUTIL util; + + if (DosPerfSysCall(CMD_KI_RDCNT, (ULONG)&util, 0, 0) == 0) { + RAND_add(&util, sizeof(util), 10); + } + else { + DosPerfSysCall = NULL; + } + } + + /* DosQuerySysState() gives us a huge quantity of process, thread, memory & handle stats */ + if (DosQuerySysState) { + char *buffer = OPENSSL_malloc(256 * 1024); + + if (DosQuerySysState(0x1F, 0, 0, 0, buffer, 256 * 1024) == 0) { + /* First 4 bytes in buffer is a pointer to the thread count + * there should be at least 1 byte of entropy per thread + */ + RAND_add(buffer, 256 * 1024, **(ULONG **)buffer); + } + + OPENSSL_free(buffer); + return 1; + } + + return 0; +} + +#endif /* OPENSSL_SYS_OS2 */ diff --git a/openssl/crypto/rand/rand_unix.c b/openssl/crypto/rand/rand_unix.c new file mode 100644 index 000000000..71b98ec21 --- /dev/null +++ b/openssl/crypto/rand/rand_unix.c @@ -0,0 +1,330 @@ +/* crypto/rand/rand_unix.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ +#include <stdio.h> + +#define USE_SOCKETS +#include "e_os.h" +#include "cryptlib.h" +#include <openssl/rand.h> +#include "rand_lcl.h" + +#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)) + +#include <sys/types.h> +#include <sys/time.h> +#include <sys/times.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <time.h> +#if defined(OPENSSL_SYS_LINUX) /* should actually be available virtually everywhere */ +# include <poll.h> +#endif +#include <limits.h> +#ifndef FD_SETSIZE +# define FD_SETSIZE (8*sizeof(fd_set)) +#endif + +#ifdef __OpenBSD__ +int RAND_poll(void) +{ + u_int32_t rnd = 0, i; + unsigned char buf[ENTROPY_NEEDED]; + + for (i = 0; i < sizeof(buf); i++) { + if (i % 4 == 0) + rnd = arc4random(); + buf[i] = rnd; + rnd >>= 8; + } + RAND_add(buf, sizeof(buf), ENTROPY_NEEDED); + memset(buf, 0, sizeof(buf)); + + return 1; +} +#else /* !defined(__OpenBSD__) */ +int RAND_poll(void) +{ + unsigned long l; + pid_t curr_pid = getpid(); +#if defined(DEVRANDOM) || defined(DEVRANDOM_EGD) + unsigned char tmpbuf[ENTROPY_NEEDED]; + int n = 0; +#endif +#ifdef DEVRANDOM + static const char *randomfiles[] = { DEVRANDOM }; + struct stat randomstats[sizeof(randomfiles)/sizeof(randomfiles[0])]; + int fd; + size_t i; +#endif +#ifdef DEVRANDOM_EGD + static const char *egdsockets[] = { DEVRANDOM_EGD, NULL }; + const char **egdsocket = NULL; +#endif + +#ifdef DEVRANDOM + memset(randomstats,0,sizeof(randomstats)); + /* Use a random entropy pool device. Linux, FreeBSD and OpenBSD + * have this. Use /dev/urandom if you can as /dev/random may block + * if it runs out of random entries. */ + + for (i=0; i<sizeof(randomfiles)/sizeof(randomfiles[0]) && n < ENTROPY_NEEDED; i++) + { + if ((fd = open(randomfiles[i], O_RDONLY +#ifdef O_NONBLOCK + |O_NONBLOCK +#endif +#ifdef O_BINARY + |O_BINARY +#endif +#ifdef O_NOCTTY /* If it happens to be a TTY (god forbid), do not make it + our controlling tty */ + |O_NOCTTY +#endif + )) >= 0) + { + int usec = 10*1000; /* spend 10ms on each file */ + int r; + size_t j; + struct stat *st=&randomstats[i]; + + /* Avoid using same input... Used to be O_NOFOLLOW + * above, but it's not universally appropriate... */ + if (fstat(fd,st) != 0) { close(fd); continue; } + for (j=0;j<i;j++) + { + if (randomstats[j].st_ino==st->st_ino && + randomstats[j].st_dev==st->st_dev) + break; + } + if (j<i) { close(fd); continue; } + + do + { + int try_read = 0; + +#if defined(OPENSSL_SYS_LINUX) + /* use poll() */ + struct pollfd pset; + + pset.fd = fd; + pset.events = POLLIN; + pset.revents = 0; + + if (poll(&pset, 1, usec / 1000) < 0) + usec = 0; + else + try_read = (pset.revents & POLLIN) != 0; + +#else + /* use select() */ + fd_set fset; + struct timeval t; + + t.tv_sec = 0; + t.tv_usec = usec; + + if (FD_SETSIZE > 0 && (unsigned)fd >= FD_SETSIZE) + { + /* can't use select, so just try to read once anyway */ + try_read = 1; + } + else + { + FD_ZERO(&fset); + FD_SET(fd, &fset); + + if (select(fd+1,&fset,NULL,NULL,&t) >= 0) + { + usec = t.tv_usec; + if (FD_ISSET(fd, &fset)) + try_read = 1; + } + else + usec = 0; + } +#endif + + if (try_read) + { + r = read(fd,(unsigned char *)tmpbuf+n, ENTROPY_NEEDED-n); + if (r > 0) + n += r; + } + else + r = -1; + + /* Some Unixen will update t in select(), some + won't. For those who won't, or if we + didn't use select() in the first place, + give up here, otherwise, we will do + this once again for the remaining + time. */ + if (usec == 10*1000) + usec = 0; + } + while ((r > 0 || + (errno == EINTR || errno == EAGAIN)) && usec != 0 && n < ENTROPY_NEEDED); + + close(fd); + } + } +#endif /* defined(DEVRANDOM) */ + +#ifdef DEVRANDOM_EGD + /* Use an EGD socket to read entropy from an EGD or PRNGD entropy + * collecting daemon. */ + + for (egdsocket = egdsockets; *egdsocket && n < ENTROPY_NEEDED; egdsocket++) + { + int r; + + r = RAND_query_egd_bytes(*egdsocket, (unsigned char *)tmpbuf+n, + ENTROPY_NEEDED-n); + if (r > 0) + n += r; + } +#endif /* defined(DEVRANDOM_EGD) */ + +#if defined(DEVRANDOM) || defined(DEVRANDOM_EGD) + if (n > 0) + { + RAND_add(tmpbuf,sizeof tmpbuf,(double)n); + OPENSSL_cleanse(tmpbuf,n); + } +#endif + + /* put in some default random data, we need more than just this */ + l=curr_pid; + RAND_add(&l,sizeof(l),0.0); + l=getuid(); + RAND_add(&l,sizeof(l),0.0); + + l=time(NULL); + RAND_add(&l,sizeof(l),0.0); + +#if defined(DEVRANDOM) || defined(DEVRANDOM_EGD) + return 1; +#else + return 0; +#endif +} + +#endif /* defined(__OpenBSD__) */ +#endif /* !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)) */ + + +#if defined(OPENSSL_SYS_VXWORKS) +int RAND_poll(void) + { + return 0; + } +#endif diff --git a/openssl/crypto/rand/rand_vms.c b/openssl/crypto/rand/rand_vms.c new file mode 100644 index 000000000..1267a3aca --- /dev/null +++ b/openssl/crypto/rand/rand_vms.c @@ -0,0 +1,136 @@ +/* crypto/rand/rand_vms.c -*- mode:C; c-file-style: "eay" -*- */ +/* Written by Richard Levitte <richard@levitte.org> for the OpenSSL + * project 2000. + */ +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <openssl/rand.h> +#include "rand_lcl.h" + +#if defined(OPENSSL_SYS_VMS) + +#include <descrip.h> +#include <jpidef.h> +#include <ssdef.h> +#include <starlet.h> +#ifdef __DECC +# pragma message disable DOLLARID +#endif + +static struct items_data_st + { + short length, code; /* length is amount of bytes */ + } items_data[] = + { { 4, JPI$_BUFIO }, + { 4, JPI$_CPUTIM }, + { 4, JPI$_DIRIO }, + { 8, JPI$_LOGINTIM }, + { 4, JPI$_PAGEFLTS }, + { 4, JPI$_PID }, + { 4, JPI$_WSSIZE }, + { 0, 0 } + }; + +int RAND_poll(void) + { + long pid, iosb[2]; + int status = 0; + struct + { + short length, code; + long *buffer; + int *retlen; + } item[32], *pitem; + unsigned char data_buffer[256]; + short total_length = 0; + struct items_data_st *pitems_data; + + pitems_data = items_data; + pitem = item; + + /* Setup */ + while (pitems_data->length + && (total_length + pitems_data->length <= 256)) + { + pitem->length = pitems_data->length; + pitem->code = pitems_data->code; + pitem->buffer = (long *)&data_buffer[total_length]; + pitem->retlen = 0; + total_length += pitems_data->length; + pitems_data++; + pitem++; + } + pitem->length = pitem->code = 0; + + /* + * Scan through all the processes in the system and add entropy with + * results from the processes that were possible to look at. + * However, view the information as only half trustable. + */ + pid = -1; /* search context */ + while ((status = sys$getjpiw(0, &pid, 0, item, iosb, 0, 0)) + != SS$_NOMOREPROC) + { + if (status == SS$_NORMAL) + { + RAND_add(data_buffer, total_length, total_length/2); + } + } + sys$gettim(iosb); + RAND_add((unsigned char *)iosb, sizeof(iosb), sizeof(iosb)/2); + return 1; +} + +#endif diff --git a/openssl/crypto/rand/rand_win.c b/openssl/crypto/rand/rand_win.c new file mode 100644 index 000000000..00dbe4232 --- /dev/null +++ b/openssl/crypto/rand/rand_win.c @@ -0,0 +1,758 @@ +/* crypto/rand/rand_win.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include "cryptlib.h" +#include <openssl/rand.h> +#include "rand_lcl.h" + +#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) +#include <windows.h> +#ifndef _WIN32_WINNT +# define _WIN32_WINNT 0x0400 +#endif +#include <wincrypt.h> +#include <tlhelp32.h> + +/* Limit the time spent walking through the heap, processes, threads and modules to + a maximum of 1000 miliseconds each, unless CryptoGenRandom failed */ +#define MAXDELAY 1000 + +/* Intel hardware RNG CSP -- available from + * http://developer.intel.com/design/security/rng/redist_license.htm + */ +#define PROV_INTEL_SEC 22 +#define INTEL_DEF_PROV L"Intel Hardware Cryptographic Service Provider" + +static void readtimer(void); +static void readscreen(void); + +/* It appears like CURSORINFO, PCURSORINFO and LPCURSORINFO are only defined + when WINVER is 0x0500 and up, which currently only happens on Win2000. + Unfortunately, those are typedefs, so they're a little bit difficult to + detect properly. On the other hand, the macro CURSOR_SHOWING is defined + within the same conditional, so it can be use to detect the absence of said + typedefs. */ + +#ifndef CURSOR_SHOWING +/* + * Information about the global cursor. + */ +typedef struct tagCURSORINFO +{ + DWORD cbSize; + DWORD flags; + HCURSOR hCursor; + POINT ptScreenPos; +} CURSORINFO, *PCURSORINFO, *LPCURSORINFO; + +#define CURSOR_SHOWING 0x00000001 +#endif /* CURSOR_SHOWING */ + +#if !defined(OPENSSL_SYS_WINCE) +typedef BOOL (WINAPI *CRYPTACQUIRECONTEXTW)(HCRYPTPROV *, LPCWSTR, LPCWSTR, + DWORD, DWORD); +typedef BOOL (WINAPI *CRYPTGENRANDOM)(HCRYPTPROV, DWORD, BYTE *); +typedef BOOL (WINAPI *CRYPTRELEASECONTEXT)(HCRYPTPROV, DWORD); + +typedef HWND (WINAPI *GETFOREGROUNDWINDOW)(VOID); +typedef BOOL (WINAPI *GETCURSORINFO)(PCURSORINFO); +typedef DWORD (WINAPI *GETQUEUESTATUS)(UINT); + +typedef HANDLE (WINAPI *CREATETOOLHELP32SNAPSHOT)(DWORD, DWORD); +typedef BOOL (WINAPI *CLOSETOOLHELP32SNAPSHOT)(HANDLE); +typedef BOOL (WINAPI *HEAP32FIRST)(LPHEAPENTRY32, DWORD, size_t); +typedef BOOL (WINAPI *HEAP32NEXT)(LPHEAPENTRY32); +typedef BOOL (WINAPI *HEAP32LIST)(HANDLE, LPHEAPLIST32); +typedef BOOL (WINAPI *PROCESS32)(HANDLE, LPPROCESSENTRY32); +typedef BOOL (WINAPI *THREAD32)(HANDLE, LPTHREADENTRY32); +typedef BOOL (WINAPI *MODULE32)(HANDLE, LPMODULEENTRY32); + +#include <lmcons.h> +#include <lmstats.h> +#if 1 /* The NET API is Unicode only. It requires the use of the UNICODE + * macro. When UNICODE is defined LPTSTR becomes LPWSTR. LMSTR was + * was added to the Platform SDK to allow the NET API to be used in + * non-Unicode applications provided that Unicode strings were still + * used for input. LMSTR is defined as LPWSTR. + */ +typedef NET_API_STATUS (NET_API_FUNCTION * NETSTATGET) + (LPWSTR, LPWSTR, DWORD, DWORD, LPBYTE*); +typedef NET_API_STATUS (NET_API_FUNCTION * NETFREE)(LPBYTE); +#endif /* 1 */ +#endif /* !OPENSSL_SYS_WINCE */ + +int RAND_poll(void) +{ + MEMORYSTATUS m; + HCRYPTPROV hProvider = 0; + DWORD w; + int good = 0; + + /* Determine the OS version we are on so we can turn off things + * that do not work properly. + */ + OSVERSIONINFO osverinfo ; + osverinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO) ; + GetVersionEx( &osverinfo ) ; + +#if defined(OPENSSL_SYS_WINCE) +# if defined(_WIN32_WCE) && _WIN32_WCE>=300 +/* Even though MSDN says _WIN32_WCE>=210, it doesn't seem to be available + * in commonly available implementations prior 300... */ + { + BYTE buf[64]; + /* poll the CryptoAPI PRNG */ + /* The CryptoAPI returns sizeof(buf) bytes of randomness */ + if (CryptAcquireContextW(&hProvider, NULL, NULL, PROV_RSA_FULL, + CRYPT_VERIFYCONTEXT)) + { + if (CryptGenRandom(hProvider, sizeof(buf), buf)) + RAND_add(buf, sizeof(buf), sizeof(buf)); + CryptReleaseContext(hProvider, 0); + } + } +# endif +#else /* OPENSSL_SYS_WINCE */ + /* + * None of below libraries are present on Windows CE, which is + * why we #ifndef the whole section. This also excuses us from + * handling the GetProcAddress issue. The trouble is that in + * real Win32 API GetProcAddress is available in ANSI flavor + * only. In WinCE on the other hand GetProcAddress is a macro + * most commonly defined as GetProcAddressW, which accepts + * Unicode argument. If we were to call GetProcAddress under + * WinCE, I'd recommend to either redefine GetProcAddress as + * GetProcAddressA (there seem to be one in common CE spec) or + * implement own shim routine, which would accept ANSI argument + * and expand it to Unicode. + */ + { + /* load functions dynamically - not available on all systems */ + HMODULE advapi = LoadLibrary(TEXT("ADVAPI32.DLL")); + HMODULE kernel = LoadLibrary(TEXT("KERNEL32.DLL")); + HMODULE user = NULL; + HMODULE netapi = LoadLibrary(TEXT("NETAPI32.DLL")); + CRYPTACQUIRECONTEXTW acquire = NULL; + CRYPTGENRANDOM gen = NULL; + CRYPTRELEASECONTEXT release = NULL; + NETSTATGET netstatget = NULL; + NETFREE netfree = NULL; + BYTE buf[64]; + + if (netapi) + { + netstatget = (NETSTATGET) GetProcAddress(netapi,"NetStatisticsGet"); + netfree = (NETFREE) GetProcAddress(netapi,"NetApiBufferFree"); + } + + if (netstatget && netfree) + { + LPBYTE outbuf; + /* NetStatisticsGet() is a Unicode only function + * STAT_WORKSTATION_0 contains 45 fields and STAT_SERVER_0 + * contains 17 fields. We treat each field as a source of + * one byte of entropy. + */ + + if (netstatget(NULL, L"LanmanWorkstation", 0, 0, &outbuf) == 0) + { + RAND_add(outbuf, sizeof(STAT_WORKSTATION_0), 45); + netfree(outbuf); + } + if (netstatget(NULL, L"LanmanServer", 0, 0, &outbuf) == 0) + { + RAND_add(outbuf, sizeof(STAT_SERVER_0), 17); + netfree(outbuf); + } + } + + if (netapi) + FreeLibrary(netapi); + + /* It appears like this can cause an exception deep within ADVAPI32.DLL + * at random times on Windows 2000. Reported by Jeffrey Altman. + * Only use it on NT. + */ + /* Wolfgang Marczy <WMarczy@topcall.co.at> reports that + * the RegQueryValueEx call below can hang on NT4.0 (SP6). + * So we don't use this at all for now. */ +#if 0 + if ( osverinfo.dwPlatformId == VER_PLATFORM_WIN32_NT && + osverinfo.dwMajorVersion < 5) + { + /* Read Performance Statistics from NT/2000 registry + * The size of the performance data can vary from call + * to call so we must guess the size of the buffer to use + * and increase its size if we get an ERROR_MORE_DATA + * return instead of ERROR_SUCCESS. + */ + LONG rc=ERROR_MORE_DATA; + char * buf=NULL; + DWORD bufsz=0; + DWORD length; + + while (rc == ERROR_MORE_DATA) + { + buf = realloc(buf,bufsz+8192); + if (!buf) + break; + bufsz += 8192; + + length = bufsz; + rc = RegQueryValueEx(HKEY_PERFORMANCE_DATA, TEXT("Global"), + NULL, NULL, buf, &length); + } + if (rc == ERROR_SUCCESS) + { + /* For entropy count assume only least significant + * byte of each DWORD is random. + */ + RAND_add(&length, sizeof(length), 0); + RAND_add(buf, length, length / 4.0); + + /* Close the Registry Key to allow Windows to cleanup/close + * the open handle + * Note: The 'HKEY_PERFORMANCE_DATA' key is implicitly opened + * when the RegQueryValueEx above is done. However, if + * it is not explicitly closed, it can cause disk + * partition manipulation problems. + */ + RegCloseKey(HKEY_PERFORMANCE_DATA); + } + if (buf) + free(buf); + } +#endif + + if (advapi) + { + /* + * If it's available, then it's available in both ANSI + * and UNICODE flavors even in Win9x, documentation says. + * We favor Unicode... + */ + acquire = (CRYPTACQUIRECONTEXTW) GetProcAddress(advapi, + "CryptAcquireContextW"); + gen = (CRYPTGENRANDOM) GetProcAddress(advapi, + "CryptGenRandom"); + release = (CRYPTRELEASECONTEXT) GetProcAddress(advapi, + "CryptReleaseContext"); + } + + if (acquire && gen && release) + { + /* poll the CryptoAPI PRNG */ + /* The CryptoAPI returns sizeof(buf) bytes of randomness */ + if (acquire(&hProvider, NULL, NULL, PROV_RSA_FULL, + CRYPT_VERIFYCONTEXT)) + { + if (gen(hProvider, sizeof(buf), buf) != 0) + { + RAND_add(buf, sizeof(buf), 0); + good = 1; +#if 0 + printf("randomness from PROV_RSA_FULL\n"); +#endif + } + release(hProvider, 0); + } + + /* poll the Pentium PRG with CryptoAPI */ + if (acquire(&hProvider, 0, INTEL_DEF_PROV, PROV_INTEL_SEC, 0)) + { + if (gen(hProvider, sizeof(buf), buf) != 0) + { + RAND_add(buf, sizeof(buf), sizeof(buf)); + good = 1; +#if 0 + printf("randomness from PROV_INTEL_SEC\n"); +#endif + } + release(hProvider, 0); + } + } + + if (advapi) + FreeLibrary(advapi); + + if ((osverinfo.dwPlatformId != VER_PLATFORM_WIN32_NT || + !OPENSSL_isservice()) && + (user = LoadLibrary(TEXT("USER32.DLL")))) + { + GETCURSORINFO cursor; + GETFOREGROUNDWINDOW win; + GETQUEUESTATUS queue; + + win = (GETFOREGROUNDWINDOW) GetProcAddress(user, "GetForegroundWindow"); + cursor = (GETCURSORINFO) GetProcAddress(user, "GetCursorInfo"); + queue = (GETQUEUESTATUS) GetProcAddress(user, "GetQueueStatus"); + + if (win) + { + /* window handle */ + HWND h = win(); + RAND_add(&h, sizeof(h), 0); + } + if (cursor) + { + /* unfortunately, its not safe to call GetCursorInfo() + * on NT4 even though it exists in SP3 (or SP6) and + * higher. + */ + if ( osverinfo.dwPlatformId == VER_PLATFORM_WIN32_NT && + osverinfo.dwMajorVersion < 5) + cursor = 0; + } + if (cursor) + { + /* cursor position */ + /* assume 2 bytes of entropy */ + CURSORINFO ci; + ci.cbSize = sizeof(CURSORINFO); + if (cursor(&ci)) + RAND_add(&ci, ci.cbSize, 2); + } + + if (queue) + { + /* message queue status */ + /* assume 1 byte of entropy */ + w = queue(QS_ALLEVENTS); + RAND_add(&w, sizeof(w), 1); + } + + FreeLibrary(user); + } + + /* Toolhelp32 snapshot: enumerate processes, threads, modules and heap + * http://msdn.microsoft.com/library/psdk/winbase/toolhelp_5pfd.htm + * (Win 9x and 2000 only, not available on NT) + * + * This seeding method was proposed in Peter Gutmann, Software + * Generation of Practically Strong Random Numbers, + * http://www.usenix.org/publications/library/proceedings/sec98/gutmann.html + * revised version at http://www.cryptoengines.com/~peter/06_random.pdf + * (The assignment of entropy estimates below is arbitrary, but based + * on Peter's analysis the full poll appears to be safe. Additional + * interactive seeding is encouraged.) + */ + + if (kernel) + { + CREATETOOLHELP32SNAPSHOT snap; + CLOSETOOLHELP32SNAPSHOT close_snap; + HANDLE handle; + + HEAP32FIRST heap_first; + HEAP32NEXT heap_next; + HEAP32LIST heaplist_first, heaplist_next; + PROCESS32 process_first, process_next; + THREAD32 thread_first, thread_next; + MODULE32 module_first, module_next; + + HEAPLIST32 hlist; + HEAPENTRY32 hentry; + PROCESSENTRY32 p; + THREADENTRY32 t; + MODULEENTRY32 m; + DWORD stoptime = 0; + + snap = (CREATETOOLHELP32SNAPSHOT) + GetProcAddress(kernel, "CreateToolhelp32Snapshot"); + close_snap = (CLOSETOOLHELP32SNAPSHOT) + GetProcAddress(kernel, "CloseToolhelp32Snapshot"); + heap_first = (HEAP32FIRST) GetProcAddress(kernel, "Heap32First"); + heap_next = (HEAP32NEXT) GetProcAddress(kernel, "Heap32Next"); + heaplist_first = (HEAP32LIST) GetProcAddress(kernel, "Heap32ListFirst"); + heaplist_next = (HEAP32LIST) GetProcAddress(kernel, "Heap32ListNext"); + process_first = (PROCESS32) GetProcAddress(kernel, "Process32First"); + process_next = (PROCESS32) GetProcAddress(kernel, "Process32Next"); + thread_first = (THREAD32) GetProcAddress(kernel, "Thread32First"); + thread_next = (THREAD32) GetProcAddress(kernel, "Thread32Next"); + module_first = (MODULE32) GetProcAddress(kernel, "Module32First"); + module_next = (MODULE32) GetProcAddress(kernel, "Module32Next"); + + if (snap && heap_first && heap_next && heaplist_first && + heaplist_next && process_first && process_next && + thread_first && thread_next && module_first && + module_next && (handle = snap(TH32CS_SNAPALL,0)) + != INVALID_HANDLE_VALUE) + { + /* heap list and heap walking */ + /* HEAPLIST32 contains 3 fields that will change with + * each entry. Consider each field a source of 1 byte + * of entropy. + * HEAPENTRY32 contains 5 fields that will change with + * each entry. Consider each field a source of 1 byte + * of entropy. + */ + hlist.dwSize = sizeof(HEAPLIST32); + if (good) stoptime = GetTickCount() + MAXDELAY; + if (heaplist_first(handle, &hlist)) + do + { + RAND_add(&hlist, hlist.dwSize, 3); + hentry.dwSize = sizeof(HEAPENTRY32); + if (heap_first(&hentry, + hlist.th32ProcessID, + hlist.th32HeapID)) + { + int entrycnt = 80; + do + RAND_add(&hentry, + hentry.dwSize, 5); + while (heap_next(&hentry) + && --entrycnt > 0); + } + } while (heaplist_next(handle, + &hlist) && GetTickCount() < stoptime); + + /* process walking */ + /* PROCESSENTRY32 contains 9 fields that will change + * with each entry. Consider each field a source of + * 1 byte of entropy. + */ + p.dwSize = sizeof(PROCESSENTRY32); + + if (good) stoptime = GetTickCount() + MAXDELAY; + if (process_first(handle, &p)) + do + RAND_add(&p, p.dwSize, 9); + while (process_next(handle, &p) && GetTickCount() < stoptime); + + /* thread walking */ + /* THREADENTRY32 contains 6 fields that will change + * with each entry. Consider each field a source of + * 1 byte of entropy. + */ + t.dwSize = sizeof(THREADENTRY32); + if (good) stoptime = GetTickCount() + MAXDELAY; + if (thread_first(handle, &t)) + do + RAND_add(&t, t.dwSize, 6); + while (thread_next(handle, &t) && GetTickCount() < stoptime); + + /* module walking */ + /* MODULEENTRY32 contains 9 fields that will change + * with each entry. Consider each field a source of + * 1 byte of entropy. + */ + m.dwSize = sizeof(MODULEENTRY32); + if (good) stoptime = GetTickCount() + MAXDELAY; + if (module_first(handle, &m)) + do + RAND_add(&m, m.dwSize, 9); + while (module_next(handle, &m) + && (GetTickCount() < stoptime)); + if (close_snap) + close_snap(handle); + else + CloseHandle(handle); + + } + + FreeLibrary(kernel); + } + } +#endif /* !OPENSSL_SYS_WINCE */ + + /* timer data */ + readtimer(); + + /* memory usage statistics */ + GlobalMemoryStatus(&m); + RAND_add(&m, sizeof(m), 1); + + /* process ID */ + w = GetCurrentProcessId(); + RAND_add(&w, sizeof(w), 1); + +#if 0 + printf("Exiting RAND_poll\n"); +#endif + + return(1); +} + +int RAND_event(UINT iMsg, WPARAM wParam, LPARAM lParam) + { + double add_entropy=0; + + switch (iMsg) + { + case WM_KEYDOWN: + { + static WPARAM key; + if (key != wParam) + add_entropy = 0.05; + key = wParam; + } + break; + case WM_MOUSEMOVE: + { + static int lastx,lasty,lastdx,lastdy; + int x,y,dx,dy; + + x=LOWORD(lParam); + y=HIWORD(lParam); + dx=lastx-x; + dy=lasty-y; + if (dx != 0 && dy != 0 && dx-lastdx != 0 && dy-lastdy != 0) + add_entropy=.2; + lastx=x, lasty=y; + lastdx=dx, lastdy=dy; + } + break; + } + + readtimer(); + RAND_add(&iMsg, sizeof(iMsg), add_entropy); + RAND_add(&wParam, sizeof(wParam), 0); + RAND_add(&lParam, sizeof(lParam), 0); + + return (RAND_status()); + } + + +void RAND_screen(void) /* function available for backward compatibility */ +{ + RAND_poll(); + readscreen(); +} + + +/* feed timing information to the PRNG */ +static void readtimer(void) +{ + DWORD w; + LARGE_INTEGER l; + static int have_perfc = 1; +#if defined(_MSC_VER) && defined(_M_X86) + static int have_tsc = 1; + DWORD cyclecount; + + if (have_tsc) { + __try { + __asm { + _emit 0x0f + _emit 0x31 + mov cyclecount, eax + } + RAND_add(&cyclecount, sizeof(cyclecount), 1); + } __except(EXCEPTION_EXECUTE_HANDLER) { + have_tsc = 0; + } + } +#else +# define have_tsc 0 +#endif + + if (have_perfc) { + if (QueryPerformanceCounter(&l) == 0) + have_perfc = 0; + else + RAND_add(&l, sizeof(l), 0); + } + + if (!have_tsc && !have_perfc) { + w = GetTickCount(); + RAND_add(&w, sizeof(w), 0); + } +} + +/* feed screen contents to PRNG */ +/***************************************************************************** + * + * Created 960901 by Gertjan van Oosten, gertjan@West.NL, West Consulting B.V. + * + * Code adapted from + * <URL:http://support.microsoft.com/default.aspx?scid=kb;[LN];97193>; + * the original copyright message is: + * + * (C) Copyright Microsoft Corp. 1993. All rights reserved. + * + * You have a royalty-free right to use, modify, reproduce and + * distribute the Sample Files (and/or any modified version) in + * any way you find useful, provided that you agree that + * Microsoft has no warranty obligations or liability for any + * Sample Application Files which are modified. + */ + +static void readscreen(void) +{ +#if !defined(OPENSSL_SYS_WINCE) && !defined(OPENSSL_SYS_WIN32_CYGWIN) + HDC hScrDC; /* screen DC */ + HDC hMemDC; /* memory DC */ + HBITMAP hBitmap; /* handle for our bitmap */ + HBITMAP hOldBitmap; /* handle for previous bitmap */ + BITMAP bm; /* bitmap properties */ + unsigned int size; /* size of bitmap */ + char *bmbits; /* contents of bitmap */ + int w; /* screen width */ + int h; /* screen height */ + int y; /* y-coordinate of screen lines to grab */ + int n = 16; /* number of screen lines to grab at a time */ + + if (GetVersion() >= 0x80000000 || !OPENSSL_isservice()) + return; + + /* Create a screen DC and a memory DC compatible to screen DC */ + hScrDC = CreateDC(TEXT("DISPLAY"), NULL, NULL, NULL); + hMemDC = CreateCompatibleDC(hScrDC); + + /* Get screen resolution */ + w = GetDeviceCaps(hScrDC, HORZRES); + h = GetDeviceCaps(hScrDC, VERTRES); + + /* Create a bitmap compatible with the screen DC */ + hBitmap = CreateCompatibleBitmap(hScrDC, w, n); + + /* Select new bitmap into memory DC */ + hOldBitmap = SelectObject(hMemDC, hBitmap); + + /* Get bitmap properties */ + GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&bm); + size = (unsigned int)bm.bmWidthBytes * bm.bmHeight * bm.bmPlanes; + + bmbits = OPENSSL_malloc(size); + if (bmbits) { + /* Now go through the whole screen, repeatedly grabbing n lines */ + for (y = 0; y < h-n; y += n) + { + unsigned char md[MD_DIGEST_LENGTH]; + + /* Bitblt screen DC to memory DC */ + BitBlt(hMemDC, 0, 0, w, n, hScrDC, 0, y, SRCCOPY); + + /* Copy bitmap bits from memory DC to bmbits */ + GetBitmapBits(hBitmap, size, bmbits); + + /* Get the hash of the bitmap */ + MD(bmbits,size,md); + + /* Seed the random generator with the hash value */ + RAND_add(md, MD_DIGEST_LENGTH, 0); + } + + OPENSSL_free(bmbits); + } + + /* Select old bitmap back into memory DC */ + hBitmap = SelectObject(hMemDC, hOldBitmap); + + /* Clean up */ + DeleteObject(hBitmap); + DeleteDC(hMemDC); + DeleteDC(hScrDC); +#endif /* !OPENSSL_SYS_WINCE */ +} + +#endif diff --git a/openssl/crypto/rand/randfile.c b/openssl/crypto/rand/randfile.c new file mode 100644 index 000000000..d108353bb --- /dev/null +++ b/openssl/crypto/rand/randfile.c @@ -0,0 +1,313 @@ +/* crypto/rand/randfile.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +/* We need to define this to get macros like S_IFBLK and S_IFCHR */ +#define _XOPEN_SOURCE 500 + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "e_os.h" +#include <openssl/crypto.h> +#include <openssl/rand.h> +#include <openssl/buffer.h> + +#ifdef OPENSSL_SYS_VMS +#include <unixio.h> +#endif +#ifndef NO_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef MAC_OS_pre_X +# include <stat.h> +#else +# include <sys/stat.h> +#endif + +#ifdef _WIN32 +#define stat _stat +#define chmod _chmod +#define open _open +#define fdopen _fdopen +#endif + +#undef BUFSIZE +#define BUFSIZE 1024 +#define RAND_DATA 1024 + +#ifdef OPENSSL_SYS_VMS +/* This declaration is a nasty hack to get around vms' extension to fopen + * for passing in sharing options being disabled by our /STANDARD=ANSI89 */ +static FILE *(*const vms_fopen)(const char *, const char *, ...) = + (FILE *(*)(const char *, const char *, ...))fopen; +#define VMS_OPEN_ATTRS "shr=get,put,upd,del","ctx=bin,stm","rfm=stm","rat=none","mrs=0" +#endif + +/* #define RFILE ".rnd" - defined in ../../e_os.h */ + +/* Note that these functions are intended for seed files only. + * Entropy devices and EGD sockets are handled in rand_unix.c */ + +int RAND_load_file(const char *file, long bytes) + { + /* If bytes >= 0, read up to 'bytes' bytes. + * if bytes == -1, read complete file. */ + + MS_STATIC unsigned char buf[BUFSIZE]; + struct stat sb; + int i,ret=0,n; + FILE *in; + + if (file == NULL) return(0); + + if (stat(file,&sb) < 0) return(0); + RAND_add(&sb,sizeof(sb),0.0); + if (bytes == 0) return(ret); + +#ifdef OPENSSL_SYS_VMS + in=vms_fopen(file,"rb",VMS_OPEN_ATTRS); +#else + in=fopen(file,"rb"); +#endif + if (in == NULL) goto err; +#if defined(S_IFBLK) && defined(S_IFCHR) + if (sb.st_mode & (S_IFBLK | S_IFCHR)) { + /* this file is a device. we don't want read an infinite number + * of bytes from a random device, nor do we want to use buffered + * I/O because we will waste system entropy. + */ + bytes = (bytes == -1) ? 2048 : bytes; /* ok, is 2048 enough? */ + setvbuf(in, NULL, _IONBF, 0); /* don't do buffered reads */ + } +#endif + for (;;) + { + if (bytes > 0) + n = (bytes < BUFSIZE)?(int)bytes:BUFSIZE; + else + n = BUFSIZE; + i=fread(buf,1,n,in); + if (i <= 0) break; +#ifdef PURIFY + RAND_add(buf,i,(double)i); +#else + /* even if n != i, use the full array */ + RAND_add(buf,n,(double)i); +#endif + ret+=i; + if (bytes > 0) + { + bytes-=n; + if (bytes <= 0) break; + } + } + fclose(in); + OPENSSL_cleanse(buf,BUFSIZE); +err: + return(ret); + } + +int RAND_write_file(const char *file) + { + unsigned char buf[BUFSIZE]; + int i,ret=0,rand_err=0; + FILE *out = NULL; + int n; + struct stat sb; + + i=stat(file,&sb); + if (i != -1) { +#if defined(S_IFBLK) && defined(S_IFCHR) + if (sb.st_mode & (S_IFBLK | S_IFCHR)) { + /* this file is a device. we don't write back to it. + * we "succeed" on the assumption this is some sort + * of random device. Otherwise attempting to write to + * and chmod the device causes problems. + */ + return(1); + } +#endif + } + +#if defined(O_CREAT) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_VMS) + { + /* For some reason Win32 can't write to files created this way */ + + /* chmod(..., 0600) is too late to protect the file, + * permissions should be restrictive from the start */ + int fd = open(file, O_CREAT, 0600); + if (fd != -1) + out = fdopen(fd, "wb"); + } +#endif + +#ifdef OPENSSL_SYS_VMS + /* VMS NOTE: Prior versions of this routine created a _new_ + * version of the rand file for each call into this routine, then + * deleted all existing versions named ;-1, and finally renamed + * the current version as ';1'. Under concurrent usage, this + * resulted in an RMS race condition in rename() which could + * orphan files (see vms message help for RMS$_REENT). With the + * fopen() calls below, openssl/VMS now shares the top-level + * version of the rand file. Note that there may still be + * conditions where the top-level rand file is locked. If so, this + * code will then create a new version of the rand file. Without + * the delete and rename code, this can result in ascending file + * versions that stop at version 32767, and this routine will then + * return an error. The remedy for this is to recode the calling + * application to avoid concurrent use of the rand file, or + * synchronize usage at the application level. Also consider + * whether or not you NEED a persistent rand file in a concurrent + * use situation. + */ + + out = vms_fopen(file,"rb+",VMS_OPEN_ATTRS); + if (out == NULL) + out = vms_fopen(file,"wb",VMS_OPEN_ATTRS); +#else + if (out == NULL) + out = fopen(file,"wb"); +#endif + if (out == NULL) goto err; + +#ifndef NO_CHMOD + chmod(file,0600); +#endif + n=RAND_DATA; + for (;;) + { + i=(n > BUFSIZE)?BUFSIZE:n; + n-=BUFSIZE; + if (RAND_bytes(buf,i) <= 0) + rand_err=1; + i=fwrite(buf,1,i,out); + if (i <= 0) + { + ret=0; + break; + } + ret+=i; + if (n <= 0) break; + } + + fclose(out); + OPENSSL_cleanse(buf,BUFSIZE); +err: + return (rand_err ? -1 : ret); + } + +const char *RAND_file_name(char *buf, size_t size) + { + char *s=NULL; + int ok = 0; +#ifdef __OpenBSD__ + struct stat sb; +#endif + + if (OPENSSL_issetugid() == 0) + s=getenv("RANDFILE"); + if (s != NULL && *s && strlen(s) + 1 < size) + { + if (BUF_strlcpy(buf,s,size) >= size) + return NULL; + } + else + { + if (OPENSSL_issetugid() == 0) + s=getenv("HOME"); +#ifdef DEFAULT_HOME + if (s == NULL) + { + s = DEFAULT_HOME; + } +#endif + if (s && *s && strlen(s)+strlen(RFILE)+2 < size) + { + BUF_strlcpy(buf,s,size); +#ifndef OPENSSL_SYS_VMS + BUF_strlcat(buf,"/",size); +#endif + BUF_strlcat(buf,RFILE,size); + ok = 1; + } + else + buf[0] = '\0'; /* no file name */ + } + +#ifdef __OpenBSD__ + /* given that all random loads just fail if the file can't be + * seen on a stat, we stat the file we're returning, if it + * fails, use /dev/arandom instead. this allows the user to + * use their own source for good random data, but defaults + * to something hopefully decent if that isn't available. + */ + + if (!ok) + if (BUF_strlcpy(buf,"/dev/arandom",size) >= size) { + return(NULL); + } + if (stat(buf,&sb) == -1) + if (BUF_strlcpy(buf,"/dev/arandom",size) >= size) { + return(NULL); + } + +#endif + return(buf); + } diff --git a/openssl/crypto/rand/randtest.c b/openssl/crypto/rand/randtest.c new file mode 100644 index 000000000..9e92a70b0 --- /dev/null +++ b/openssl/crypto/rand/randtest.c @@ -0,0 +1,219 @@ +/* crypto/rand/randtest.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include <stdlib.h> +#include <openssl/rand.h> + +#include "../e_os.h" + +/* some FIPS 140-1 random number test */ +/* some simple tests */ + +int main(int argc,char **argv) + { + unsigned char buf[2500]; + int i,j,k,s,sign,nsign,err=0; + unsigned long n1; + unsigned long n2[16]; + unsigned long runs[2][34]; + /*double d; */ + long d; + + i = RAND_pseudo_bytes(buf,2500); + if (i < 0) + { + printf ("init failed, the rand method is not properly installed\n"); + err++; + goto err; + } + + n1=0; + for (i=0; i<16; i++) n2[i]=0; + for (i=0; i<34; i++) runs[0][i]=runs[1][i]=0; + + /* test 1 and 2 */ + sign=0; + nsign=0; + for (i=0; i<2500; i++) + { + j=buf[i]; + + n2[j&0x0f]++; + n2[(j>>4)&0x0f]++; + + for (k=0; k<8; k++) + { + s=(j&0x01); + if (s == sign) + nsign++; + else + { + if (nsign > 34) nsign=34; + if (nsign != 0) + { + runs[sign][nsign-1]++; + if (nsign > 6) + runs[sign][5]++; + } + sign=s; + nsign=1; + } + + if (s) n1++; + j>>=1; + } + } + if (nsign > 34) nsign=34; + if (nsign != 0) runs[sign][nsign-1]++; + + /* test 1 */ + if (!((9654 < n1) && (n1 < 10346))) + { + printf("test 1 failed, X=%lu\n",n1); + err++; + } + printf("test 1 done\n"); + + /* test 2 */ +#ifdef undef + d=0; + for (i=0; i<16; i++) + d+=n2[i]*n2[i]; + d=d*16.0/5000.0-5000.0; + if (!((1.03 < d) && (d < 57.4))) + { + printf("test 2 failed, X=%.2f\n",d); + err++; + } +#endif + d=0; + for (i=0; i<16; i++) + d+=n2[i]*n2[i]; + d=(d*8)/25-500000; + if (!((103 < d) && (d < 5740))) + { + printf("test 2 failed, X=%ld.%02ld\n",d/100L,d%100L); + err++; + } + printf("test 2 done\n"); + + /* test 3 */ + for (i=0; i<2; i++) + { + if (!((2267 < runs[i][0]) && (runs[i][0] < 2733))) + { + printf("test 3 failed, bit=%d run=%d num=%lu\n", + i,1,runs[i][0]); + err++; + } + if (!((1079 < runs[i][1]) && (runs[i][1] < 1421))) + { + printf("test 3 failed, bit=%d run=%d num=%lu\n", + i,2,runs[i][1]); + err++; + } + if (!(( 502 < runs[i][2]) && (runs[i][2] < 748))) + { + printf("test 3 failed, bit=%d run=%d num=%lu\n", + i,3,runs[i][2]); + err++; + } + if (!(( 223 < runs[i][3]) && (runs[i][3] < 402))) + { + printf("test 3 failed, bit=%d run=%d num=%lu\n", + i,4,runs[i][3]); + err++; + } + if (!(( 90 < runs[i][4]) && (runs[i][4] < 223))) + { + printf("test 3 failed, bit=%d run=%d num=%lu\n", + i,5,runs[i][4]); + err++; + } + if (!(( 90 < runs[i][5]) && (runs[i][5] < 223))) + { + printf("test 3 failed, bit=%d run=%d num=%lu\n", + i,6,runs[i][5]); + err++; + } + } + printf("test 3 done\n"); + + /* test 4 */ + if (runs[0][33] != 0) + { + printf("test 4 failed, bit=%d run=%d num=%lu\n", + 0,34,runs[0][33]); + err++; + } + if (runs[1][33] != 0) + { + printf("test 4 failed, bit=%d run=%d num=%lu\n", + 1,34,runs[1][33]); + err++; + } + printf("test 4 done\n"); + err: + err=((err)?1:0); +#ifdef OPENSSL_SYS_NETWARE + if (err) printf("ERROR: %d\n", err); +#endif + EXIT(err); + return(err); + } |