sl@0: /* apps/gendsa.c */ sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) sl@0: * All rights reserved. sl@0: * sl@0: * This package is an SSL implementation written sl@0: * by Eric Young (eay@cryptsoft.com). sl@0: * The implementation was written so as to conform with Netscapes SSL. sl@0: * sl@0: * This library is free for commercial and non-commercial use as long as sl@0: * the following conditions are aheared to. The following conditions sl@0: * apply to all code found in this distribution, be it the RC4, RSA, sl@0: * lhash, DES, etc., code; not just the SSL code. The SSL documentation sl@0: * included with this distribution is covered by the same copyright terms sl@0: * except that the holder is Tim Hudson (tjh@cryptsoft.com). sl@0: * sl@0: * Copyright remains Eric Young's, and as such any Copyright notices in sl@0: * the code are not to be removed. sl@0: * If this package is used in a product, Eric Young should be given attribution sl@0: * as the author of the parts of the library used. sl@0: * This can be in the form of a textual message at program startup or sl@0: * in documentation (online or textual) provided with the package. sl@0: * sl@0: * Redistribution and use in source and binary forms, with or without sl@0: * modification, are permitted provided that the following conditions sl@0: * are met: sl@0: * 1. Redistributions of source code must retain the copyright sl@0: * notice, this list of conditions and the following disclaimer. sl@0: * 2. Redistributions in binary form must reproduce the above copyright sl@0: * notice, this list of conditions and the following disclaimer in the sl@0: * documentation and/or other materials provided with the distribution. sl@0: * 3. All advertising materials mentioning features or use of this software sl@0: * must display the following acknowledgement: sl@0: * "This product includes cryptographic software written by sl@0: * Eric Young (eay@cryptsoft.com)" sl@0: * The word 'cryptographic' can be left out if the rouines from the library sl@0: * being used are not cryptographic related :-). sl@0: * 4. If you include any Windows specific code (or a derivative thereof) from sl@0: * the apps directory (application code) you must include an acknowledgement: sl@0: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" sl@0: * sl@0: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND sl@0: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE sl@0: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE sl@0: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE sl@0: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL sl@0: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS sl@0: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) sl@0: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT sl@0: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY sl@0: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF sl@0: * SUCH DAMAGE. sl@0: * sl@0: * The licence and distribution terms for any publically available version or sl@0: * derivative of this code cannot be changed. i.e. this code cannot simply be sl@0: * copied and put under another distribution licence sl@0: * [including the GNU Public Licence.] sl@0: */ sl@0: sl@0: #include /* for OPENSSL_NO_DSA */ sl@0: #ifndef OPENSSL_NO_DSA sl@0: #include sl@0: #include sl@0: #include sl@0: #include sl@0: #include "apps.h" sl@0: #include sl@0: #include sl@0: #include sl@0: #include sl@0: #include sl@0: #include sl@0: sl@0: #define DEFBITS 512 sl@0: #undef PROG sl@0: #define PROG gendsa_main sl@0: sl@0: sl@0: int MAIN(int, char **); sl@0: sl@0: int MAIN(int argc, char **argv) sl@0: { sl@0: #ifndef OPENSSL_NO_ENGINE sl@0: ENGINE *e = NULL; sl@0: #endif sl@0: DSA *dsa=NULL; sl@0: int ret=1; sl@0: char *outfile=NULL; sl@0: char *inrand=NULL,*dsaparams=NULL; sl@0: char *passargout = NULL, *passout = NULL; sl@0: BIO *out=NULL,*in=NULL; sl@0: const EVP_CIPHER *enc=NULL; sl@0: #ifndef OPENSSL_NO_ENGINE sl@0: char *engine=NULL; sl@0: #endif sl@0: sl@0: apps_startup(); sl@0: sl@0: if (bio_err == NULL) sl@0: if ((bio_err=BIO_new(BIO_s_file())) != NULL) sl@0: BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); sl@0: sl@0: sl@0: if (!load_config(bio_err, NULL)) sl@0: goto end; sl@0: sl@0: argv++; sl@0: argc--; sl@0: for (;;) sl@0: { sl@0: if (argc <= 0) break; sl@0: if (strcmp(*argv,"-out") == 0) sl@0: { sl@0: if (--argc < 1) goto bad; sl@0: outfile= *(++argv); sl@0: } sl@0: else if (strcmp(*argv,"-passout") == 0) sl@0: { sl@0: if (--argc < 1) goto bad; sl@0: passargout= *(++argv); sl@0: } sl@0: #ifndef OPENSSL_NO_ENGINE sl@0: else if (strcmp(*argv,"-engine") == 0) sl@0: { sl@0: if (--argc < 1) goto bad; sl@0: engine= *(++argv); sl@0: } sl@0: #endif sl@0: else if (strcmp(*argv,"-rand") == 0) sl@0: { sl@0: if (--argc < 1) goto bad; sl@0: inrand= *(++argv); sl@0: } sl@0: else if (strcmp(*argv,"-") == 0) sl@0: goto bad; sl@0: #ifndef OPENSSL_NO_DES sl@0: else if (strcmp(*argv,"-des") == 0) sl@0: enc=EVP_des_cbc(); sl@0: else if (strcmp(*argv,"-des3") == 0) sl@0: enc=EVP_des_ede3_cbc(); sl@0: #endif sl@0: #ifndef OPENSSL_NO_IDEA sl@0: else if (strcmp(*argv,"-idea") == 0) sl@0: enc=EVP_idea_cbc(); sl@0: #endif sl@0: #ifndef OPENSSL_NO_AES sl@0: else if (strcmp(*argv,"-aes128") == 0) sl@0: enc=EVP_aes_128_cbc(); sl@0: else if (strcmp(*argv,"-aes192") == 0) sl@0: enc=EVP_aes_192_cbc(); sl@0: else if (strcmp(*argv,"-aes256") == 0) sl@0: enc=EVP_aes_256_cbc(); sl@0: #endif sl@0: else if (**argv != '-' && dsaparams == NULL) sl@0: { sl@0: dsaparams = *argv; sl@0: } sl@0: else sl@0: goto bad; sl@0: argv++; sl@0: argc--; sl@0: } sl@0: sl@0: if (dsaparams == NULL) sl@0: { sl@0: bad: sl@0: BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n"); sl@0: BIO_printf(bio_err," -out file - output the key to 'file'\n"); sl@0: #ifndef OPENSSL_NO_DES sl@0: BIO_printf(bio_err," -des - encrypt the generated key with DES in cbc mode\n"); sl@0: BIO_printf(bio_err," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); sl@0: #endif sl@0: #ifndef OPENSSL_NO_IDEA sl@0: BIO_printf(bio_err," -idea - encrypt the generated key with IDEA in cbc mode\n"); sl@0: #endif sl@0: #ifndef OPENSSL_NO_AES sl@0: BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); sl@0: BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); sl@0: #endif sl@0: #ifndef OPENSSL_NO_ENGINE sl@0: BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n"); sl@0: #endif sl@0: BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); sl@0: BIO_printf(bio_err," - load the file (or the files in the directory) into\n"); sl@0: BIO_printf(bio_err," the random number generator\n"); sl@0: BIO_printf(bio_err," dsaparam-file\n"); sl@0: BIO_printf(bio_err," - a DSA parameter file as generated by the dsaparam command\n"); sl@0: goto end; sl@0: } sl@0: sl@0: #ifndef OPENSSL_NO_ENGINE sl@0: e = setup_engine(bio_err, engine, 0); sl@0: #endif sl@0: sl@0: if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { sl@0: BIO_printf(bio_err, "Error getting password\n"); sl@0: goto end; sl@0: } sl@0: sl@0: sl@0: in=BIO_new(BIO_s_file()); sl@0: if (!(BIO_read_filename(in,dsaparams))) sl@0: { sl@0: perror(dsaparams); sl@0: goto end; sl@0: } sl@0: sl@0: if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) sl@0: { sl@0: BIO_printf(bio_err,"unable to load DSA parameter file\n"); sl@0: goto end; sl@0: } sl@0: BIO_free(in); sl@0: in = NULL; sl@0: sl@0: out=BIO_new(BIO_s_file()); sl@0: if (out == NULL) goto end; sl@0: sl@0: if (outfile == NULL) sl@0: { sl@0: BIO_set_fp(out,stdout,BIO_NOCLOSE); sl@0: sl@0: #ifdef OPENSSL_SYS_VMS sl@0: { sl@0: BIO *tmpbio = BIO_new(BIO_f_linebuffer()); sl@0: out = BIO_push(tmpbio, out); sl@0: } sl@0: #endif sl@0: } sl@0: else sl@0: { sl@0: if (BIO_write_filename(out,outfile) <= 0) sl@0: { sl@0: perror(outfile); sl@0: goto end; sl@0: } sl@0: } sl@0: sl@0: if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) sl@0: { sl@0: BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); sl@0: } sl@0: if (inrand != NULL) sl@0: BIO_printf(bio_err,"%ld semi-random bytes loaded\n", sl@0: app_RAND_load_files(inrand)); sl@0: sl@0: BIO_printf(bio_err,"Generating DSA key, %d bits\n", sl@0: BN_num_bits(dsa->p)); sl@0: if (!DSA_generate_key(dsa)) goto end; sl@0: sl@0: app_RAND_write_file(NULL, bio_err); sl@0: sl@0: if (!PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL, passout)) sl@0: goto end; sl@0: ret=0; sl@0: end: sl@0: if (ret != 0) sl@0: ERR_print_errors(bio_err); sl@0: if (in != NULL) BIO_free(in); sl@0: if (out != NULL) BIO_free_all(out); sl@0: if (dsa != NULL) DSA_free(dsa); sl@0: if(passout) OPENSSL_free(passout); sl@0: apps_shutdown(); sl@0: OPENSSL_EXIT(ret); sl@0: } sl@0: #endif