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 char *engine = NULL; 83 int ret = 1; 84 85 if (bio_err == NULL) 86 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 87 88 if (!load_config(bio_err, NULL)) 89 goto end; 90 91 informat = FORMAT_PEM; 92 outformat = FORMAT_PEM; 93 94 ERR_load_crypto_strings(); 95 OpenSSL_add_all_algorithms(); 96 args = argv + 1; 97 while (!badarg && *args && *args[0] == '-') { 98 if (!strcmp(*args, "-inform")) { 99 if (args[1]) { 100 args++; 101 informat = str2fmt(*args); 102 } else 103 badarg = 1; 104 } else if (!strcmp(*args, "-outform")) { 105 if (args[1]) { 106 args++; 107 outformat = str2fmt(*args); 108 } else 109 badarg = 1; 110 } else if (!strcmp(*args, "-passin")) { 111 if (!args[1]) 112 goto bad; 113 passargin = *(++args); 114 } else if (!strcmp(*args, "-passout")) { 115 if (!args[1]) 116 goto bad; 117 passargout = *(++args); 118 } 119 #ifndef OPENSSL_NO_ENGINE 120 else if (strcmp(*args, "-engine") == 0) { 121 if (!args[1]) 122 goto bad; 123 engine = *(++args); 124 } 125 #endif 126 else if (!strcmp(*args, "-in")) { 127 if (args[1]) { 128 args++; 129 infile = *args; 130 } else 131 badarg = 1; 132 } else if (!strcmp(*args, "-out")) { 133 if (args[1]) { 134 args++; 135 outfile = *args; 136 } else 137 badarg = 1; 138 } else if (strcmp(*args, "-pubin") == 0) { 139 pubin = 1; 140 pubout = 1; 141 pubtext = 1; 142 } else if (strcmp(*args, "-pubout") == 0) 143 pubout = 1; 144 else if (strcmp(*args, "-text_pub") == 0) { 145 pubtext = 1; 146 text = 1; 147 } else if (strcmp(*args, "-text") == 0) 148 text = 1; 149 else if (strcmp(*args, "-noout") == 0) 150 noout = 1; 151 else { 152 cipher = EVP_get_cipherbyname(*args + 1); 153 if (!cipher) { 154 BIO_printf(bio_err, "Unknown cipher %s\n", *args + 1); 155 badarg = 1; 156 } 157 } 158 args++; 159 } 160 161 if (badarg) { 162 bad: 163 BIO_printf(bio_err, "Usage pkey [options]\n"); 164 BIO_printf(bio_err, "where options are\n"); 165 BIO_printf(bio_err, "-in file input file\n"); 166 BIO_printf(bio_err, "-inform X input format (DER or PEM)\n"); 167 BIO_printf(bio_err, 168 "-passin arg input file pass phrase source\n"); 169 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); 170 BIO_printf(bio_err, "-out file output file\n"); 171 BIO_printf(bio_err, 172 "-passout arg output file pass phrase source\n"); 173 #ifndef OPENSSL_NO_ENGINE 174 BIO_printf(bio_err, 175 "-engine e use engine e, possibly a hardware device.\n"); 176 #endif 177 return 1; 178 } 179 e = setup_engine(bio_err, engine, 0); 180 181 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 182 BIO_printf(bio_err, "Error getting passwords\n"); 183 goto end; 184 } 185 186 if (outfile) { 187 if (!(out = BIO_new_file(outfile, "wb"))) { 188 BIO_printf(bio_err, "Can't open output file %s\n", outfile); 189 goto end; 190 } 191 } else { 192 out = BIO_new_fp(stdout, BIO_NOCLOSE); 193 #ifdef OPENSSL_SYS_VMS 194 { 195 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 196 out = BIO_push(tmpbio, out); 197 } 198 #endif 199 } 200 201 if (pubin) 202 pkey = load_pubkey(bio_err, infile, informat, 1, 203 passin, e, "Public Key"); 204 else 205 pkey = load_key(bio_err, infile, informat, 1, passin, e, "key"); 206 if (!pkey) 207 goto end; 208 209 if (!noout) { 210 if (outformat == FORMAT_PEM) { 211 if (pubout) 212 PEM_write_bio_PUBKEY(out, pkey); 213 else 214 PEM_write_bio_PrivateKey(out, pkey, cipher, 215 NULL, 0, NULL, passout); 216 } else if (outformat == FORMAT_ASN1) { 217 if (pubout) 218 i2d_PUBKEY_bio(out, pkey); 219 else 220 i2d_PrivateKey_bio(out, pkey); 221 } else { 222 BIO_printf(bio_err, "Bad format specified for key\n"); 223 goto end; 224 } 225 226 } 227 228 if (text) { 229 if (pubtext) 230 EVP_PKEY_print_public(out, pkey, 0, NULL); 231 else 232 EVP_PKEY_print_private(out, pkey, 0, NULL); 233 } 234 235 ret = 0; 236 237 end: 238 EVP_PKEY_free(pkey); 239 release_engine(e); 240 BIO_free_all(out); 241 BIO_free(in); 242 if (passin) 243 OPENSSL_free(passin); 244 if (passout) 245 OPENSSL_free(passout); 246 247 return ret; 248 } 249