[15529] | 1 | /* apps/gendsa.c */ |
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| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * This package is an SSL implementation written |
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| 6 | * by Eric Young (eay@cryptsoft.com). |
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| 7 | * The implementation was written so as to conform with Netscapes SSL. |
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| 8 | * |
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| 9 | * This library is free for commercial and non-commercial use as long as |
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| 10 | * the following conditions are aheared to. The following conditions |
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| 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
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| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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| 13 | * included with this distribution is covered by the same copyright terms |
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| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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| 15 | * |
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| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
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| 17 | * the code are not to be removed. |
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| 18 | * If this package is used in a product, Eric Young should be given attribution |
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| 19 | * as the author of the parts of the library used. |
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| 20 | * This can be in the form of a textual message at program startup or |
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| 21 | * in documentation (online or textual) provided with the package. |
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| 22 | * |
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| 23 | * Redistribution and use in source and binary forms, with or without |
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| 24 | * modification, are permitted provided that the following conditions |
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| 25 | * are met: |
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| 26 | * 1. Redistributions of source code must retain the copyright |
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| 27 | * notice, this list of conditions and the following disclaimer. |
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| 28 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 29 | * notice, this list of conditions and the following disclaimer in the |
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| 30 | * documentation and/or other materials provided with the distribution. |
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| 31 | * 3. All advertising materials mentioning features or use of this software |
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| 32 | * must display the following acknowledgement: |
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| 33 | * "This product includes cryptographic software written by |
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| 34 | * Eric Young (eay@cryptsoft.com)" |
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| 35 | * The word 'cryptographic' can be left out if the rouines from the library |
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| 36 | * being used are not cryptographic related :-). |
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| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
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| 38 | * the apps directory (application code) you must include an acknowledgement: |
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| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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| 40 | * |
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| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 51 | * SUCH DAMAGE. |
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| 52 | * |
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| 53 | * The licence and distribution terms for any publically available version or |
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| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
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| 55 | * copied and put under another distribution licence |
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| 56 | * [including the GNU Public Licence.] |
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| 57 | */ |
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| 58 | |
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[18441] | 59 | #ifndef OPENSSL_NO_DSA |
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[15529] | 60 | #include <stdio.h> |
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| 61 | #include <string.h> |
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| 62 | #include <sys/types.h> |
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| 63 | #include <sys/stat.h> |
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| 64 | #include "apps.h" |
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| 65 | #include <openssl/bio.h> |
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| 66 | #include <openssl/err.h> |
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| 67 | #include <openssl/bn.h> |
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| 68 | #include <openssl/dsa.h> |
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| 69 | #include <openssl/x509.h> |
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| 70 | #include <openssl/pem.h> |
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| 71 | |
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| 72 | #define DEFBITS 512 |
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| 73 | #undef PROG |
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| 74 | #define PROG gendsa_main |
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| 75 | |
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| 76 | int MAIN(int, char **); |
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| 77 | |
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| 78 | int MAIN(int argc, char **argv) |
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| 79 | { |
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[18441] | 80 | ENGINE *e = NULL; |
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[15529] | 81 | DSA *dsa=NULL; |
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| 82 | int ret=1; |
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| 83 | char *outfile=NULL; |
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| 84 | char *inrand=NULL,*dsaparams=NULL; |
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| 85 | char *passargout = NULL, *passout = NULL; |
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| 86 | BIO *out=NULL,*in=NULL; |
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[18441] | 87 | const EVP_CIPHER *enc=NULL; |
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| 88 | char *engine=NULL; |
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[15529] | 89 | |
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| 90 | apps_startup(); |
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| 91 | |
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| 92 | if (bio_err == NULL) |
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| 93 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) |
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| 94 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
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| 95 | |
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[18441] | 96 | if (!load_config(bio_err, NULL)) |
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| 97 | goto end; |
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| 98 | |
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[15529] | 99 | argv++; |
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| 100 | argc--; |
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| 101 | for (;;) |
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| 102 | { |
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| 103 | if (argc <= 0) break; |
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| 104 | if (strcmp(*argv,"-out") == 0) |
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| 105 | { |
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| 106 | if (--argc < 1) goto bad; |
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| 107 | outfile= *(++argv); |
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| 108 | } |
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| 109 | else if (strcmp(*argv,"-passout") == 0) |
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| 110 | { |
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| 111 | if (--argc < 1) goto bad; |
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| 112 | passargout= *(++argv); |
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| 113 | } |
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[18441] | 114 | else if (strcmp(*argv,"-engine") == 0) |
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| 115 | { |
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| 116 | if (--argc < 1) goto bad; |
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| 117 | engine= *(++argv); |
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| 118 | } |
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[15529] | 119 | else if (strcmp(*argv,"-rand") == 0) |
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| 120 | { |
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| 121 | if (--argc < 1) goto bad; |
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| 122 | inrand= *(++argv); |
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| 123 | } |
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| 124 | else if (strcmp(*argv,"-") == 0) |
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| 125 | goto bad; |
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[18441] | 126 | #ifndef OPENSSL_NO_DES |
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[15529] | 127 | else if (strcmp(*argv,"-des") == 0) |
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| 128 | enc=EVP_des_cbc(); |
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| 129 | else if (strcmp(*argv,"-des3") == 0) |
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| 130 | enc=EVP_des_ede3_cbc(); |
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| 131 | #endif |
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[18441] | 132 | #ifndef OPENSSL_NO_IDEA |
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[15529] | 133 | else if (strcmp(*argv,"-idea") == 0) |
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| 134 | enc=EVP_idea_cbc(); |
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| 135 | #endif |
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[18441] | 136 | #ifndef OPENSSL_NO_AES |
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| 137 | else if (strcmp(*argv,"-aes128") == 0) |
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| 138 | enc=EVP_aes_128_cbc(); |
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| 139 | else if (strcmp(*argv,"-aes192") == 0) |
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| 140 | enc=EVP_aes_192_cbc(); |
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| 141 | else if (strcmp(*argv,"-aes256") == 0) |
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| 142 | enc=EVP_aes_256_cbc(); |
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| 143 | #endif |
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[15529] | 144 | else if (**argv != '-' && dsaparams == NULL) |
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| 145 | { |
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| 146 | dsaparams = *argv; |
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| 147 | } |
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| 148 | else |
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| 149 | goto bad; |
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| 150 | argv++; |
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| 151 | argc--; |
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| 152 | } |
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| 153 | |
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| 154 | if (dsaparams == NULL) |
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| 155 | { |
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| 156 | bad: |
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| 157 | BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n"); |
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| 158 | BIO_printf(bio_err," -out file - output the key to 'file'\n"); |
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[18441] | 159 | #ifndef OPENSSL_NO_DES |
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[15529] | 160 | BIO_printf(bio_err," -des - encrypt the generated key with DES in cbc mode\n"); |
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| 161 | BIO_printf(bio_err," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); |
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| 162 | #endif |
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[18441] | 163 | #ifndef OPENSSL_NO_IDEA |
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[15529] | 164 | BIO_printf(bio_err," -idea - encrypt the generated key with IDEA in cbc mode\n"); |
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| 165 | #endif |
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[18441] | 166 | #ifndef OPENSSL_NO_AES |
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| 167 | BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); |
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| 168 | BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); |
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| 169 | #endif |
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| 170 | BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n"); |
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[15529] | 171 | BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); |
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| 172 | BIO_printf(bio_err," - load the file (or the files in the directory) into\n"); |
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| 173 | BIO_printf(bio_err," the random number generator\n"); |
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| 174 | BIO_printf(bio_err," dsaparam-file\n"); |
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| 175 | BIO_printf(bio_err," - a DSA parameter file as generated by the dsaparam command\n"); |
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| 176 | goto end; |
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| 177 | } |
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| 178 | |
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[18441] | 179 | e = setup_engine(bio_err, engine, 0); |
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| 180 | |
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[15529] | 181 | if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { |
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| 182 | BIO_printf(bio_err, "Error getting password\n"); |
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| 183 | goto end; |
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| 184 | } |
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| 185 | |
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| 186 | |
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| 187 | in=BIO_new(BIO_s_file()); |
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| 188 | if (!(BIO_read_filename(in,dsaparams))) |
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| 189 | { |
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| 190 | perror(dsaparams); |
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| 191 | goto end; |
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| 192 | } |
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| 193 | |
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| 194 | if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) |
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| 195 | { |
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| 196 | BIO_printf(bio_err,"unable to load DSA parameter file\n"); |
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| 197 | goto end; |
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| 198 | } |
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| 199 | BIO_free(in); |
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| 200 | in = NULL; |
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| 201 | |
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| 202 | out=BIO_new(BIO_s_file()); |
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| 203 | if (out == NULL) goto end; |
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| 204 | |
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| 205 | if (outfile == NULL) |
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| 206 | { |
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| 207 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
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[18441] | 208 | #ifdef OPENSSL_SYS_VMS |
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[15529] | 209 | { |
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| 210 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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| 211 | out = BIO_push(tmpbio, out); |
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| 212 | } |
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| 213 | #endif |
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| 214 | } |
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| 215 | else |
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| 216 | { |
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| 217 | if (BIO_write_filename(out,outfile) <= 0) |
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| 218 | { |
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| 219 | perror(outfile); |
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| 220 | goto end; |
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| 221 | } |
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| 222 | } |
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| 223 | |
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| 224 | if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) |
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| 225 | { |
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| 226 | BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); |
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| 227 | } |
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| 228 | if (inrand != NULL) |
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| 229 | BIO_printf(bio_err,"%ld semi-random bytes loaded\n", |
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| 230 | app_RAND_load_files(inrand)); |
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| 231 | |
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| 232 | BIO_printf(bio_err,"Generating DSA key, %d bits\n", |
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| 233 | BN_num_bits(dsa->p)); |
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| 234 | if (!DSA_generate_key(dsa)) goto end; |
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| 235 | |
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| 236 | app_RAND_write_file(NULL, bio_err); |
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| 237 | |
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| 238 | if (!PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL, passout)) |
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| 239 | goto end; |
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| 240 | ret=0; |
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| 241 | end: |
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| 242 | if (ret != 0) |
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| 243 | ERR_print_errors(bio_err); |
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| 244 | if (in != NULL) BIO_free(in); |
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| 245 | if (out != NULL) BIO_free_all(out); |
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| 246 | if (dsa != NULL) DSA_free(dsa); |
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| 247 | if(passout) OPENSSL_free(passout); |
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[18441] | 248 | apps_shutdown(); |
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| 249 | OPENSSL_EXIT(ret); |
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[15529] | 250 | } |
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| 251 | #endif |
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