[15529] | 1 | /* apps/genrsa.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_RSA |
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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/rsa.h> |
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| 69 | #include <openssl/evp.h> |
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| 70 | #include <openssl/x509.h> |
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| 71 | #include <openssl/pem.h> |
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[18441] | 72 | #include <openssl/rand.h> |
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[15529] | 73 | |
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| 74 | #define DEFBITS 512 |
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| 75 | #undef PROG |
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| 76 | #define PROG genrsa_main |
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| 77 | |
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| 78 | static void MS_CALLBACK genrsa_cb(int p, int n, void *arg); |
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| 79 | |
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| 80 | int MAIN(int, char **); |
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| 81 | |
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| 82 | int MAIN(int argc, char **argv) |
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| 83 | { |
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[18441] | 84 | ENGINE *e = NULL; |
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[15529] | 85 | int ret=1; |
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| 86 | RSA *rsa=NULL; |
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| 87 | int i,num=DEFBITS; |
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| 88 | long l; |
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[18441] | 89 | const EVP_CIPHER *enc=NULL; |
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[15529] | 90 | unsigned long f4=RSA_F4; |
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| 91 | char *outfile=NULL; |
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| 92 | char *passargout = NULL, *passout = NULL; |
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[18441] | 93 | char *engine=NULL; |
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[15529] | 94 | char *inrand=NULL; |
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| 95 | BIO *out=NULL; |
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| 96 | |
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| 97 | apps_startup(); |
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| 98 | |
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| 99 | if (bio_err == NULL) |
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| 100 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) |
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| 101 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
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[18441] | 102 | |
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| 103 | if (!load_config(bio_err, NULL)) |
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| 104 | goto err; |
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[15529] | 105 | if ((out=BIO_new(BIO_s_file())) == NULL) |
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| 106 | { |
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| 107 | BIO_printf(bio_err,"unable to create BIO for output\n"); |
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| 108 | goto err; |
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| 109 | } |
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| 110 | |
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| 111 | argv++; |
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| 112 | argc--; |
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| 113 | for (;;) |
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| 114 | { |
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| 115 | if (argc <= 0) break; |
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| 116 | if (strcmp(*argv,"-out") == 0) |
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| 117 | { |
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| 118 | if (--argc < 1) goto bad; |
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| 119 | outfile= *(++argv); |
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| 120 | } |
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| 121 | else if (strcmp(*argv,"-3") == 0) |
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| 122 | f4=3; |
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| 123 | else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0) |
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| 124 | f4=RSA_F4; |
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[18441] | 125 | else if (strcmp(*argv,"-engine") == 0) |
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| 126 | { |
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| 127 | if (--argc < 1) goto bad; |
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| 128 | engine= *(++argv); |
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| 129 | } |
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[15529] | 130 | else if (strcmp(*argv,"-rand") == 0) |
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| 131 | { |
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| 132 | if (--argc < 1) goto bad; |
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| 133 | inrand= *(++argv); |
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| 134 | } |
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[18441] | 135 | #ifndef OPENSSL_NO_DES |
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[15529] | 136 | else if (strcmp(*argv,"-des") == 0) |
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| 137 | enc=EVP_des_cbc(); |
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| 138 | else if (strcmp(*argv,"-des3") == 0) |
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| 139 | enc=EVP_des_ede3_cbc(); |
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| 140 | #endif |
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[18441] | 141 | #ifndef OPENSSL_NO_IDEA |
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[15529] | 142 | else if (strcmp(*argv,"-idea") == 0) |
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| 143 | enc=EVP_idea_cbc(); |
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| 144 | #endif |
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[18441] | 145 | #ifndef OPENSSL_NO_AES |
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| 146 | else if (strcmp(*argv,"-aes128") == 0) |
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| 147 | enc=EVP_aes_128_cbc(); |
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| 148 | else if (strcmp(*argv,"-aes192") == 0) |
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| 149 | enc=EVP_aes_192_cbc(); |
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| 150 | else if (strcmp(*argv,"-aes256") == 0) |
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| 151 | enc=EVP_aes_256_cbc(); |
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| 152 | #endif |
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[15529] | 153 | else if (strcmp(*argv,"-passout") == 0) |
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| 154 | { |
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| 155 | if (--argc < 1) goto bad; |
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| 156 | passargout= *(++argv); |
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| 157 | } |
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| 158 | else |
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| 159 | break; |
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| 160 | argv++; |
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| 161 | argc--; |
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| 162 | } |
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| 163 | if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0))) |
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| 164 | { |
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| 165 | bad: |
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| 166 | BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n"); |
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| 167 | BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n"); |
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| 168 | BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); |
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[18441] | 169 | #ifndef OPENSSL_NO_IDEA |
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[15529] | 170 | BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n"); |
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| 171 | #endif |
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[18441] | 172 | #ifndef OPENSSL_NO_AES |
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| 173 | BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); |
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| 174 | BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); |
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| 175 | #endif |
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[15529] | 176 | BIO_printf(bio_err," -out file output the key to 'file\n"); |
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| 177 | BIO_printf(bio_err," -passout arg output file pass phrase source\n"); |
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| 178 | BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n"); |
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| 179 | BIO_printf(bio_err," -3 use 3 for the E value\n"); |
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[18441] | 180 | BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
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[15529] | 181 | BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); |
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| 182 | BIO_printf(bio_err," load the file (or the files in the directory) into\n"); |
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| 183 | BIO_printf(bio_err," the random number generator\n"); |
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| 184 | goto err; |
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| 185 | } |
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| 186 | |
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| 187 | ERR_load_crypto_strings(); |
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| 188 | |
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| 189 | if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { |
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| 190 | BIO_printf(bio_err, "Error getting password\n"); |
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| 191 | goto err; |
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| 192 | } |
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| 193 | |
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[18441] | 194 | e = setup_engine(bio_err, engine, 0); |
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| 195 | |
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[15529] | 196 | if (outfile == NULL) |
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| 197 | { |
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| 198 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
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[18441] | 199 | #ifdef OPENSSL_SYS_VMS |
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[15529] | 200 | { |
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| 201 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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| 202 | out = BIO_push(tmpbio, out); |
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| 203 | } |
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| 204 | #endif |
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| 205 | } |
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| 206 | else |
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| 207 | { |
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| 208 | if (BIO_write_filename(out,outfile) <= 0) |
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| 209 | { |
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| 210 | perror(outfile); |
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| 211 | goto err; |
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| 212 | } |
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| 213 | } |
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| 214 | |
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[18441] | 215 | if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL |
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| 216 | && !RAND_status()) |
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[15529] | 217 | { |
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| 218 | BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); |
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| 219 | } |
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| 220 | if (inrand != NULL) |
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| 221 | BIO_printf(bio_err,"%ld semi-random bytes loaded\n", |
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| 222 | app_RAND_load_files(inrand)); |
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| 223 | |
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| 224 | BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n", |
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| 225 | num); |
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| 226 | rsa=RSA_generate_key(num,f4,genrsa_cb,bio_err); |
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| 227 | |
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| 228 | app_RAND_write_file(NULL, bio_err); |
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| 229 | |
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| 230 | if (rsa == NULL) goto err; |
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| 231 | |
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| 232 | /* We need to do the following for when the base number size is < |
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| 233 | * long, esp windows 3.1 :-(. */ |
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| 234 | l=0L; |
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| 235 | for (i=0; i<rsa->e->top; i++) |
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| 236 | { |
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| 237 | #ifndef SIXTY_FOUR_BIT |
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| 238 | l<<=BN_BITS4; |
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| 239 | l<<=BN_BITS4; |
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| 240 | #endif |
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| 241 | l+=rsa->e->d[i]; |
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| 242 | } |
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| 243 | BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l); |
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[18441] | 244 | { |
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| 245 | PW_CB_DATA cb_data; |
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| 246 | cb_data.password = passout; |
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| 247 | cb_data.prompt_info = outfile; |
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| 248 | if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0, |
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| 249 | (pem_password_cb *)password_callback,&cb_data)) |
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[15529] | 250 | goto err; |
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[18441] | 251 | } |
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[15529] | 252 | |
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| 253 | ret=0; |
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| 254 | err: |
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| 255 | if (rsa != NULL) RSA_free(rsa); |
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| 256 | if (out != NULL) BIO_free_all(out); |
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| 257 | if(passout) OPENSSL_free(passout); |
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| 258 | if (ret != 0) |
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| 259 | ERR_print_errors(bio_err); |
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[18441] | 260 | apps_shutdown(); |
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| 261 | OPENSSL_EXIT(ret); |
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[15529] | 262 | } |
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| 263 | |
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| 264 | static void MS_CALLBACK genrsa_cb(int p, int n, void *arg) |
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| 265 | { |
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| 266 | char c='*'; |
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| 267 | |
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| 268 | if (p == 0) c='.'; |
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| 269 | if (p == 1) c='+'; |
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| 270 | if (p == 2) c='*'; |
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| 271 | if (p == 3) c='\n'; |
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| 272 | BIO_write((BIO *)arg,&c,1); |
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| 273 | (void)BIO_flush((BIO *)arg); |
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| 274 | #ifdef LINT |
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| 275 | p=n; |
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| 276 | #endif |
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| 277 | } |
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[18441] | 278 | #else /* !OPENSSL_NO_RSA */ |
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[15529] | 279 | |
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| 280 | # if PEDANTIC |
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| 281 | static void *dummy=&dummy; |
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| 282 | # endif |
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| 283 | |
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| 284 | #endif |
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