1 /* apps/pkey.c */ 2 /* 3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4 * 2006 5 */ 6 /* ==================================================================== 7 * Copyright (c) 2006 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing@OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay@cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh@cryptsoft.com). 57 * 58 */ 59 #include <stdio.h> 60 #include <string.h> 61 #include "apps.h" 62 #include <openssl/pem.h> 63 #include <openssl/err.h> 64 #include <openssl/evp.h> 65 66 #define PROG pkey_main 67 68 int MAIN(int, char **); 69 70 int MAIN(int argc, char **argv) 71 { 72 ENGINE *e = NULL; 73 char **args, *infile = NULL, *outfile = NULL; 74 char *passargin = NULL, *passargout = NULL; 75 BIO *in = NULL, *out = NULL; 76 const EVP_CIPHER *cipher = NULL; 77 int informat, outformat; 78 int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0; 79 EVP_PKEY *pkey = NULL; 80 char *passin = NULL, *passout = NULL; 81 int badarg = 0; 82 #ifndef OPENSSL_NO_ENGINE 83 char *engine = NULL; 84 #endif 85 int ret = 1; 86 87 if (bio_err == NULL) 88 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 89 90 if (!load_config(bio_err, NULL)) 91 goto end; 92 93 informat = FORMAT_PEM; 94 outformat = FORMAT_PEM; 95 96 ERR_load_crypto_strings(); 97 OpenSSL_add_all_algorithms(); 98 args = argv + 1; 99 while (!badarg && *args && *args[0] == '-') { 100 if (!strcmp(*args, "-inform")) { 101 if (args[1]) { 102 args++; 103 informat = str2fmt(*args); 104 } else 105 badarg = 1; 106 } else if (!strcmp(*args, "-outform")) { 107 if (args[1]) { 108 args++; 109 outformat = str2fmt(*args); 110 } else 111 badarg = 1; 112 } else if (!strcmp(*args, "-passin")) { 113 if (!args[1]) 114 goto bad; 115 passargin = *(++args); 116 } else if (!strcmp(*args, "-passout")) { 117 if (!args[1]) 118 goto bad; 119 passargout = *(++args); 120 } 121 #ifndef OPENSSL_NO_ENGINE 122 else if (strcmp(*args, "-engine") == 0) { 123 if (!args[1]) 124 goto bad; 125 engine = *(++args); 126 } 127 #endif 128 else if (!strcmp(*args, "-in")) { 129 if (args[1]) { 130 args++; 131 infile = *args; 132 } else 133 badarg = 1; 134 } else if (!strcmp(*args, "-out")) { 135 if (args[1]) { 136 args++; 137 outfile = *args; 138 } else 139 badarg = 1; 140 } else if (strcmp(*args, "-pubin") == 0) { 141 pubin = 1; 142 pubout = 1; 143 pubtext = 1; 144 } else if (strcmp(*args, "-pubout") == 0) 145 pubout = 1; 146 else if (strcmp(*args, "-text_pub") == 0) { 147 pubtext = 1; 148 text = 1; 149 } else if (strcmp(*args, "-text") == 0) 150 text = 1; 151 else if (strcmp(*args, "-noout") == 0) 152 noout = 1; 153 else { 154 cipher = EVP_get_cipherbyname(*args + 1); 155 if (!cipher) { 156 BIO_printf(bio_err, "Unknown cipher %s\n", *args + 1); 157 badarg = 1; 158 } 159 } 160 args++; 161 } 162 163 if (badarg) { 164 bad: 165 BIO_printf(bio_err, "Usage pkey [options]\n"); 166 BIO_printf(bio_err, "where options are\n"); 167 BIO_printf(bio_err, "-in file input file\n"); 168 BIO_printf(bio_err, "-inform X input format (DER or PEM)\n"); 169 BIO_printf(bio_err, 170 "-passin arg input file pass phrase source\n"); 171 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); 172 BIO_printf(bio_err, "-out file output file\n"); 173 BIO_printf(bio_err, 174 "-passout arg output file pass phrase source\n"); 175 #ifndef OPENSSL_NO_ENGINE 176 BIO_printf(bio_err, 177 "-engine e use engine e, possibly a hardware device.\n"); 178 #endif 179 return 1; 180 } 181 #ifndef OPENSSL_NO_ENGINE 182 e = setup_engine(bio_err, engine, 0); 183 #endif 184 185 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 186 BIO_printf(bio_err, "Error getting passwords\n"); 187 goto end; 188 } 189 190 if (outfile) { 191 if (!(out = BIO_new_file(outfile, "wb"))) { 192 BIO_printf(bio_err, "Can't open output file %s\n", outfile); 193 goto end; 194 } 195 } else { 196 out = BIO_new_fp(stdout, BIO_NOCLOSE); 197 #ifdef OPENSSL_SYS_VMS 198 { 199 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 200 out = BIO_push(tmpbio, out); 201 } 202 #endif 203 } 204 205 if (pubin) 206 pkey = load_pubkey(bio_err, infile, informat, 1, 207 passin, e, "Public Key"); 208 else 209 pkey = load_key(bio_err, infile, informat, 1, passin, e, "key"); 210 if (!pkey) 211 goto end; 212 213 if (!noout) { 214 if (outformat == FORMAT_PEM) { 215 if (pubout) 216 PEM_write_bio_PUBKEY(out, pkey); 217 else 218 PEM_write_bio_PrivateKey(out, pkey, cipher, 219 NULL, 0, NULL, passout); 220 } else if (outformat == FORMAT_ASN1) { 221 if (pubout) 222 i2d_PUBKEY_bio(out, pkey); 223 else 224 i2d_PrivateKey_bio(out, pkey); 225 } else { 226 BIO_printf(bio_err, "Bad format specified for key\n"); 227 goto end; 228 } 229 230 } 231 232 if (text) { 233 if (pubtext) 234 EVP_PKEY_print_public(out, pkey, 0, NULL); 235 else 236 EVP_PKEY_print_private(out, pkey, 0, NULL); 237 } 238 239 ret = 0; 240 241 end: 242 EVP_PKEY_free(pkey); 243 BIO_free_all(out); 244 BIO_free(in); 245 if (passin) 246 OPENSSL_free(passin); 247 if (passout) 248 OPENSSL_free(passout); 249 250 return ret; 251 } 252