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1 /* crypto/pkcs7/enc.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 #include <stdio.h> |
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59 #include <string.h> |
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60 #include <openssl/bio.h> |
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61 #include <openssl/x509.h> |
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62 #include <openssl/pem.h> |
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63 #include <openssl/err.h> |
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64 |
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65 int main(argc,argv) |
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66 int argc; |
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67 char *argv[]; |
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68 { |
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69 X509 *x509; |
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70 PKCS7 *p7; |
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71 BIO *in; |
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72 BIO *data,*p7bio; |
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73 char buf[1024*4]; |
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74 int i; |
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75 int nodetach=1; |
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76 char *keyfile = NULL; |
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77 const EVP_CIPHER *cipher=NULL; |
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78 STACK_OF(X509) *recips=NULL; |
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79 |
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80 OpenSSL_add_all_algorithms(); |
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81 |
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82 data=BIO_new(BIO_s_file()); |
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83 while(argc > 1) |
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84 { |
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85 if (strcmp(argv[1],"-nd") == 0) |
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86 { |
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87 nodetach=1; |
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88 argv++; argc--; |
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89 } |
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90 else if ((strcmp(argv[1],"-c") == 0) && (argc >= 2)) { |
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91 if(!(cipher = EVP_get_cipherbyname(argv[2]))) { |
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92 fprintf(stderr, "Unknown cipher %s\n", argv[2]); |
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93 goto err; |
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94 } |
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95 argc-=2; |
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96 argv+=2; |
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97 } else if ((strcmp(argv[1],"-k") == 0) && (argc >= 2)) { |
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98 keyfile = argv[2]; |
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99 argc-=2; |
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100 argv+=2; |
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101 if (!(in=BIO_new_file(keyfile,"r"))) goto err; |
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102 if (!(x509=PEM_read_bio_X509(in,NULL,NULL,NULL))) |
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103 goto err; |
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104 if(!recips) recips = sk_X509_new_null(); |
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105 sk_X509_push(recips, x509); |
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106 BIO_free(in); |
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107 } else break; |
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108 } |
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109 |
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110 if(!recips) { |
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111 fprintf(stderr, "No recipients\n"); |
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112 goto err; |
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113 } |
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114 |
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115 if (!BIO_read_filename(data,argv[1])) goto err; |
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116 |
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117 p7=PKCS7_new(); |
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118 #if 0 |
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119 BIO_reset(in); |
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120 if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL)) == NULL) goto err; |
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121 BIO_free(in); |
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122 PKCS7_set_type(p7,NID_pkcs7_signedAndEnveloped); |
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123 |
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124 if (PKCS7_add_signature(p7,x509,pkey,EVP_sha1()) == NULL) goto err; |
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125 /* we may want to add more */ |
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126 PKCS7_add_certificate(p7,x509); |
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127 #else |
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128 PKCS7_set_type(p7,NID_pkcs7_enveloped); |
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129 #endif |
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130 if(!cipher) { |
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131 #ifndef OPENSSL_NO_DES |
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132 cipher = EVP_des_ede3_cbc(); |
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133 #else |
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134 fprintf(stderr, "No cipher selected\n"); |
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135 goto err; |
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136 #endif |
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137 } |
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138 |
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139 if (!PKCS7_set_cipher(p7,cipher)) goto err; |
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140 for(i = 0; i < sk_X509_num(recips); i++) { |
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141 if (!PKCS7_add_recipient(p7,sk_X509_value(recips, i))) goto err; |
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142 } |
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143 sk_X509_pop_free(recips, X509_free); |
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144 |
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145 /* Set the content of the signed to 'data' */ |
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146 /* PKCS7_content_new(p7,NID_pkcs7_data); not used in envelope */ |
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147 |
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148 /* could be used, but not in this version :-) |
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149 if (!nodetach) PKCS7_set_detached(p7,1); |
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150 */ |
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151 |
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152 if ((p7bio=PKCS7_dataInit(p7,NULL)) == NULL) goto err; |
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153 |
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154 for (;;) |
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155 { |
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156 i=BIO_read(data,buf,sizeof(buf)); |
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157 if (i <= 0) break; |
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158 BIO_write(p7bio,buf,i); |
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159 } |
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160 BIO_flush(p7bio); |
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161 |
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162 if (!PKCS7_dataFinal(p7,p7bio)) goto err; |
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163 BIO_free(p7bio); |
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164 |
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165 PEM_write_PKCS7(stdout,p7); |
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166 PKCS7_free(p7); |
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167 |
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168 exit(0); |
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169 err: |
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170 ERR_load_crypto_strings(); |
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171 ERR_print_errors_fp(stderr); |
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172 exit(1); |
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173 } |
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174 |