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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/rand/rand_lib.c | |
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'openssl/crypto/rand/rand_lib.c')
-rw-r--r-- | openssl/crypto/rand/rand_lib.c | 245 |
1 files changed, 245 insertions, 0 deletions
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; + } |