1 /* pkcs8.c */ 2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL 3 * project 1999. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing@OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 #include <stdio.h> 59 #include <string.h> 60 #include <openssl/pem.h> 61 #include <openssl/err.h> 62 #include <openssl/evp.h> 63 #include <openssl/pkcs12.h> 64 65 #include "apps.h" 66 #define PROG pkcs8_main 67 68 69 int MAIN(int argc, char **argv) 70 { 71 char **args, *infile = NULL, *outfile = NULL; 72 BIO *in = NULL, *out = NULL; 73 int topk8 = 0; 74 int pbe_nid = -1; 75 const EVP_CIPHER *cipher = NULL; 76 int iter = PKCS12_DEFAULT_ITER; 77 int informat, outformat; 78 int p8_broken = PKCS8_OK; 79 int nocrypt = 0; 80 X509_SIG *p8; 81 PKCS8_PRIV_KEY_INFO *p8inf; 82 EVP_PKEY *pkey; 83 char pass[50]; 84 int badarg = 0; 85 if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE); 86 informat=FORMAT_PEM; 87 outformat=FORMAT_PEM; 88 ERR_load_crypto_strings(); 89 SSLeay_add_all_algorithms(); 90 args = argv + 1; 91 while (!badarg && *args && *args[0] == '-') { 92 if (!strcmp(*args,"-v2")) { 93 if (args[1]) { 94 args++; 95 cipher=EVP_get_cipherbyname(*args); 96 if(!cipher) { 97 BIO_printf(bio_err, 98 "Unknown cipher %s\n", *args); 99 badarg = 1; 100 } 101 } else badarg = 1; 102 } else if (!strcmp(*args,"-inform")) { 103 if (args[1]) { 104 args++; 105 informat=str2fmt(*args); 106 } else badarg = 1; 107 } else if (!strcmp(*args,"-outform")) { 108 if (args[1]) { 109 args++; 110 outformat=str2fmt(*args); 111 } else badarg = 1; 112 } else if (!strcmp (*args, "-topk8")) topk8 = 1; 113 else if (!strcmp (*args, "-noiter")) iter = 1; 114 else if (!strcmp (*args, "-nocrypt")) nocrypt = 1; 115 else if (!strcmp (*args, "-nooct")) p8_broken = PKCS8_NO_OCTET; 116 else if (!strcmp (*args, "-in")) { 117 if (args[1]) { 118 args++; 119 infile = *args; 120 } else badarg = 1; 121 } else if (!strcmp (*args, "-out")) { 122 if (args[1]) { 123 args++; 124 outfile = *args; 125 } else badarg = 1; 126 } else badarg = 1; 127 args++; 128 } 129 130 if (badarg) { 131 BIO_printf (bio_err, "Usage pkcs8 [options]\n"); 132 BIO_printf (bio_err, "where options are\n"); 133 BIO_printf (bio_err, "-in file input file\n"); 134 BIO_printf (bio_err, "-inform X input format (DER or PEM)\n"); 135 BIO_printf (bio_err, "-outform X output format (DER or PEM)\n"); 136 BIO_printf (bio_err, "-out file output file\n"); 137 BIO_printf (bio_err, "-topk8 output PKCS8 file\n"); 138 BIO_printf (bio_err, "-nooct use (broken) no octet form\n"); 139 BIO_printf (bio_err, "-noiter use 1 as iteration count\n"); 140 BIO_printf (bio_err, "-nocrypt use or expect unencrypted private key\n"); 141 BIO_printf (bio_err, "-v2 alg use PKCS#5 v2.0 and cipher \"alg\"\n"); 142 return (1); 143 } 144 145 if ((pbe_nid == -1) && !cipher) pbe_nid = NID_pbeWithMD5AndDES_CBC; 146 147 if (infile) { 148 if (!(in = BIO_new_file (infile, "rb"))) { 149 BIO_printf (bio_err, 150 "Can't open input file %s\n", infile); 151 return (1); 152 } 153 } else in = BIO_new_fp (stdin, BIO_NOCLOSE); 154 155 if (outfile) { 156 if (!(out = BIO_new_file (outfile, "wb"))) { 157 BIO_printf (bio_err, 158 "Can't open output file %s\n", outfile); 159 return (1); 160 } 161 } else out = BIO_new_fp (stdout, BIO_NOCLOSE); 162 163 if (topk8) { 164 if (!(pkey = PEM_read_bio_PrivateKey(in, NULL, NULL, NULL))) { 165 BIO_printf (bio_err, "Error reading key\n", outfile); 166 ERR_print_errors(bio_err); 167 return (1); 168 } 169 BIO_free(in); 170 if (!(p8inf = EVP_PKEY2PKCS8(pkey))) { 171 BIO_printf (bio_err, "Error converting key\n", outfile); 172 ERR_print_errors(bio_err); 173 return (1); 174 } 175 PKCS8_set_broken(p8inf, p8_broken); 176 if(nocrypt) { 177 if(outformat == FORMAT_PEM) 178 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf); 179 else if(outformat == FORMAT_ASN1) 180 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf); 181 else { 182 BIO_printf(bio_err, "Bad format specified for key\n"); 183 return (1); 184 } 185 } else { 186 EVP_read_pw_string(pass, 50, "Enter Encryption Password:", 1); 187 if (!(p8 = PKCS8_encrypt(pbe_nid, cipher, 188 pass, strlen(pass), 189 NULL, 0, iter, p8inf))) { 190 BIO_printf (bio_err, "Error encrypting key\n", 191 outfile); 192 ERR_print_errors(bio_err); 193 return (1); 194 } 195 if(outformat == FORMAT_PEM) 196 PEM_write_bio_PKCS8 (out, p8); 197 else if(outformat == FORMAT_ASN1) 198 i2d_PKCS8_bio(out, p8); 199 else { 200 BIO_printf(bio_err, "Bad format specified for key\n"); 201 return (1); 202 } 203 X509_SIG_free(p8); 204 } 205 PKCS8_PRIV_KEY_INFO_free (p8inf); 206 EVP_PKEY_free(pkey); 207 BIO_free(out); 208 return (0); 209 } 210 211 if(nocrypt) { 212 if(informat == FORMAT_PEM) 213 p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL); 214 else if(informat == FORMAT_ASN1) 215 p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL); 216 else { 217 BIO_printf(bio_err, "Bad format specified for key\n"); 218 return (1); 219 } 220 } else { 221 if(informat == FORMAT_PEM) 222 p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL); 223 else if(informat == FORMAT_ASN1) 224 p8 = d2i_PKCS8_bio(in, NULL); 225 else { 226 BIO_printf(bio_err, "Bad format specified for key\n"); 227 return (1); 228 } 229 230 if (!p8) { 231 BIO_printf (bio_err, "Error reading key\n", outfile); 232 ERR_print_errors(bio_err); 233 return (1); 234 } 235 EVP_read_pw_string(pass, 50, "Enter Password:", 0); 236 p8inf = M_PKCS8_decrypt(p8, pass, strlen(pass)); 237 X509_SIG_free(p8); 238 } 239 240 if (!p8inf) { 241 BIO_printf(bio_err, "Error decrypting key\n", outfile); 242 ERR_print_errors(bio_err); 243 return (1); 244 } 245 246 if (!(pkey = EVP_PKCS82PKEY(p8inf))) { 247 BIO_printf(bio_err, "Error converting key\n", outfile); 248 ERR_print_errors(bio_err); 249 return (1); 250 } 251 252 if (p8inf->broken) { 253 BIO_printf(bio_err, "Warning: broken key encoding: "); 254 switch (p8inf->broken) { 255 case PKCS8_NO_OCTET: 256 BIO_printf(bio_err, "No Octet String\n"); 257 break; 258 259 default: 260 BIO_printf(bio_err, "Unknown broken type\n"); 261 break; 262 } 263 } 264 265 PKCS8_PRIV_KEY_INFO_free(p8inf); 266 267 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, NULL); 268 269 EVP_PKEY_free(pkey); 270 BIO_free(out); 271 BIO_free(in); 272 273 return (0); 274 } 275