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Diffstat (limited to 'openssl/apps/genrsa.c')
| -rw-r--r-- | openssl/apps/genrsa.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/openssl/apps/genrsa.c b/openssl/apps/genrsa.c new file mode 100644 index 000000000..fdc0d4a07 --- /dev/null +++ b/openssl/apps/genrsa.c @@ -0,0 +1,341 @@ +/* apps/genrsa.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 <openssl/opensslconf.h> +/* Until the key-gen callbacks are modified to use newer prototypes, we allow + * deprecated functions for openssl-internal code */ +#ifdef OPENSSL_NO_DEPRECATED +#undef OPENSSL_NO_DEPRECATED +#endif + +#ifndef OPENSSL_NO_RSA +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include "apps.h" +#include <openssl/bio.h> +#include <openssl/err.h> +#include <openssl/bn.h> +#include <openssl/rsa.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pem.h> +#include <openssl/rand.h> + +#define DEFBITS 512 +#undef PROG +#define PROG genrsa_main + +static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb); + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) + { + BN_GENCB cb; +#ifndef OPENSSL_NO_ENGINE + ENGINE *e = NULL; +#endif + int ret=1; + int i,num=DEFBITS; + long l; + int use_x931 = 0; + const EVP_CIPHER *enc=NULL; + unsigned long f4=RSA_F4; + char *outfile=NULL; + char *passargout = NULL, *passout = NULL; +#ifndef OPENSSL_NO_ENGINE + char *engine=NULL; +#endif + char *inrand=NULL; + BIO *out=NULL; + BIGNUM *bn = BN_new(); + RSA *rsa = RSA_new(); + + if(!bn || !rsa) goto err; + + apps_startup(); + BN_GENCB_set(&cb, genrsa_cb, bio_err); + + if (bio_err == NULL) + if ((bio_err=BIO_new(BIO_s_file())) != NULL) + BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); + + if (!load_config(bio_err, NULL)) + goto err; + if ((out=BIO_new(BIO_s_file())) == NULL) + { + BIO_printf(bio_err,"unable to create BIO for output\n"); + goto err; + } + + argv++; + argc--; + for (;;) + { + if (argc <= 0) break; + if (strcmp(*argv,"-out") == 0) + { + if (--argc < 1) goto bad; + outfile= *(++argv); + } + else if (strcmp(*argv,"-3") == 0) + f4=3; + else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0) + f4=RSA_F4; + else if (strcmp(*argv,"-x931") == 0) + use_x931 = 1; +#ifndef OPENSSL_NO_ENGINE + else if (strcmp(*argv,"-engine") == 0) + { + if (--argc < 1) goto bad; + engine= *(++argv); + } +#endif + else if (strcmp(*argv,"-rand") == 0) + { + if (--argc < 1) goto bad; + inrand= *(++argv); + } +#ifndef OPENSSL_NO_DES + else if (strcmp(*argv,"-des") == 0) + enc=EVP_des_cbc(); + else if (strcmp(*argv,"-des3") == 0) + enc=EVP_des_ede3_cbc(); +#endif +#ifndef OPENSSL_NO_IDEA + else if (strcmp(*argv,"-idea") == 0) + enc=EVP_idea_cbc(); +#endif +#ifndef OPENSSL_NO_SEED + else if (strcmp(*argv,"-seed") == 0) + enc=EVP_seed_cbc(); +#endif +#ifndef OPENSSL_NO_AES + else if (strcmp(*argv,"-aes128") == 0) + enc=EVP_aes_128_cbc(); + else if (strcmp(*argv,"-aes192") == 0) + enc=EVP_aes_192_cbc(); + else if (strcmp(*argv,"-aes256") == 0) + enc=EVP_aes_256_cbc(); +#endif +#ifndef OPENSSL_NO_CAMELLIA + else if (strcmp(*argv,"-camellia128") == 0) + enc=EVP_camellia_128_cbc(); + else if (strcmp(*argv,"-camellia192") == 0) + enc=EVP_camellia_192_cbc(); + else if (strcmp(*argv,"-camellia256") == 0) + enc=EVP_camellia_256_cbc(); +#endif + else if (strcmp(*argv,"-passout") == 0) + { + if (--argc < 1) goto bad; + passargout= *(++argv); + } + else + break; + argv++; + argc--; + } + if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0))) + { +bad: + BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n"); + BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n"); + BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); +#ifndef OPENSSL_NO_IDEA + BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n"); +#endif +#ifndef OPENSSL_NO_SEED + BIO_printf(bio_err," -seed\n"); + BIO_printf(bio_err," encrypt PEM output with cbc seed\n"); +#endif +#ifndef OPENSSL_NO_AES + BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); + BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); +#endif +#ifndef OPENSSL_NO_CAMELLIA + BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n"); + BIO_printf(bio_err," encrypt PEM output with cbc camellia\n"); +#endif + BIO_printf(bio_err," -out file output the key to 'file\n"); + BIO_printf(bio_err," -passout arg output file pass phrase source\n"); + BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n"); + BIO_printf(bio_err," -3 use 3 for the E value\n"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); +#endif + BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); + BIO_printf(bio_err," load the file (or the files in the directory) into\n"); + BIO_printf(bio_err," the random number generator\n"); + goto err; + } + + ERR_load_crypto_strings(); + + if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { + BIO_printf(bio_err, "Error getting password\n"); + goto err; + } + +#ifndef OPENSSL_NO_ENGINE + e = setup_engine(bio_err, engine, 0); +#endif + + if (outfile == NULL) + { + BIO_set_fp(out,stdout,BIO_NOCLOSE); +#ifdef OPENSSL_SYS_VMS + { + BIO *tmpbio = BIO_new(BIO_f_linebuffer()); + out = BIO_push(tmpbio, out); + } +#endif + } + else + { + if (BIO_write_filename(out,outfile) <= 0) + { + perror(outfile); + goto err; + } + } + + if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL + && !RAND_status()) + { + BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); + } + if (inrand != NULL) + BIO_printf(bio_err,"%ld semi-random bytes loaded\n", + app_RAND_load_files(inrand)); + + BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n", + num); + + if (use_x931) + { + BIGNUM *pubexp; + pubexp = BN_new(); + if (!BN_set_word(pubexp, f4)) + goto err; + if (!RSA_X931_generate_key_ex(rsa, num, pubexp, &cb)) + goto err; + BN_free(pubexp); + } + else if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb)) + goto err; + + app_RAND_write_file(NULL, bio_err); + + /* We need to do the following for when the base number size is < + * long, esp windows 3.1 :-(. */ + l=0L; + for (i=0; i<rsa->e->top; i++) + { +#ifndef SIXTY_FOUR_BIT + l<<=BN_BITS4; + l<<=BN_BITS4; +#endif + l+=rsa->e->d[i]; + } + BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l); + { + PW_CB_DATA cb_data; + cb_data.password = passout; + cb_data.prompt_info = outfile; + if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0, + (pem_password_cb *)password_callback,&cb_data)) + goto err; + } + + ret=0; +err: + if (bn) BN_free(bn); + if (rsa) RSA_free(rsa); + if (out) BIO_free_all(out); + if(passout) OPENSSL_free(passout); + if (ret != 0) + ERR_print_errors(bio_err); + apps_shutdown(); + OPENSSL_EXIT(ret); + } + +static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb) + { + char c='*'; + + if (p == 0) c='.'; + if (p == 1) c='+'; + if (p == 2) c='*'; + if (p == 3) c='\n'; + BIO_write(cb->arg,&c,1); + (void)BIO_flush(cb->arg); +#ifdef LINT + p=n; +#endif + return 1; + } +#else /* !OPENSSL_NO_RSA */ + +# if PEDANTIC +static void *dummy=&dummy; +# endif + +#endif |