1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] 56 */ 57 /* ==================================================================== 58 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. 59 * 60 * Redistribution and use in source and binary forms, with or without 61 * modification, are permitted provided that the following conditions 62 * are met: 63 * 64 * 1. Redistributions of source code must retain the above copyright 65 * notice, this list of conditions and the following disclaimer. 66 * 67 * 2. Redistributions in binary form must reproduce the above copyright 68 * notice, this list of conditions and the following disclaimer in 69 * the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3. All advertising materials mentioning features or use of this 73 * software must display the following acknowledgment: 74 * "This product includes software developed by the OpenSSL Project 75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 76 * 77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 78 * endorse or promote products derived from this software without 79 * prior written permission. For written permission, please contact 80 * openssl-core (at) openssl.org. 81 * 82 * 5. Products derived from this software may not be called "OpenSSL" 83 * nor may "OpenSSL" appear in their names without prior written 84 * permission of the OpenSSL Project. 85 * 86 * 6. Redistributions of any form whatsoever must retain the following 87 * acknowledgment: 88 * "This product includes software developed by the OpenSSL Project 89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 90 * 91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 102 * OF THE POSSIBILITY OF SUCH DAMAGE. 103 * ==================================================================== 104 * 105 * This product includes cryptographic software written by Eric Young 106 * (eay (at) cryptsoft.com). This product includes software written by Tim 107 * Hudson (tjh (at) cryptsoft.com). */ 108 109 #include <stdio.h> 110 111 #include <openssl/bio.h> 112 #include <openssl/dh.h> 113 #include <openssl/dsa.h> 114 #include <openssl/evp.h> 115 #include <openssl/pem.h> 116 /* 117 * #include <openssl/pkcs7.h> 118 */ 119 #include <openssl/rsa.h> 120 #include <openssl/x509.h> 121 122 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa); 123 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa); 124 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey); 125 126 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ) 127 128 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ) 129 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL) 130 131 /* 132 * We treat RSA or DSA private keys as a special case. For private keys we 133 * read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract 134 * the relevant private key: this means can handle "traditional" and PKCS#8 135 * formats transparently. 136 */ 137 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa) 138 { 139 RSA *rtmp; 140 if (!key) 141 return NULL; 142 rtmp = EVP_PKEY_get1_RSA(key); 143 EVP_PKEY_free(key); 144 if (!rtmp) 145 return NULL; 146 if (rsa) { 147 RSA_free(*rsa); 148 *rsa = rtmp; 149 } 150 return rtmp; 151 } 152 153 RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb, 154 void *u) 155 { 156 EVP_PKEY *pktmp; 157 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 158 return pkey_get_rsa(pktmp, rsa); 159 } 160 161 #ifndef OPENSSL_NO_FP_API 162 163 RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u) 164 { 165 EVP_PKEY *pktmp; 166 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 167 return pkey_get_rsa(pktmp, rsa); 168 } 169 170 #endif 171 172 IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, 173 RSAPrivateKey) 174 175 176 IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, 177 RSAPublicKey) IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, 178 PEM_STRING_PUBLIC, 179 RSA_PUBKEY) 180 #ifndef OPENSSL_NO_DSA 181 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa) 182 { 183 DSA *dtmp; 184 if (!key) 185 return NULL; 186 dtmp = EVP_PKEY_get1_DSA(key); 187 EVP_PKEY_free(key); 188 if (!dtmp) 189 return NULL; 190 if (dsa) { 191 DSA_free(*dsa); 192 *dsa = dtmp; 193 } 194 return dtmp; 195 } 196 197 DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb, 198 void *u) 199 { 200 EVP_PKEY *pktmp; 201 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 202 return pkey_get_dsa(pktmp, dsa); /* will free pktmp */ 203 } 204 205 IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, 206 DSAPrivateKey) 207 208 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY) 209 # ifndef OPENSSL_NO_FP_API 210 DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u) 211 { 212 EVP_PKEY *pktmp; 213 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 214 return pkey_get_dsa(pktmp, dsa); /* will free pktmp */ 215 } 216 217 # endif 218 219 IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams) 220 #endif 221 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey) 222 { 223 EC_KEY *dtmp; 224 if (!key) 225 return NULL; 226 dtmp = EVP_PKEY_get1_EC_KEY(key); 227 EVP_PKEY_free(key); 228 if (!dtmp) 229 return NULL; 230 if (eckey) { 231 EC_KEY_free(*eckey); 232 *eckey = dtmp; 233 } 234 return dtmp; 235 } 236 237 EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb, 238 void *u) 239 { 240 EVP_PKEY *pktmp; 241 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 242 return pkey_get_eckey(pktmp, key); /* will free pktmp */ 243 } 244 245 IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, 246 ECPrivateKey) 247 248 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY) 249 #ifndef OPENSSL_NO_FP_API 250 EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb, 251 void *u) 252 { 253 EVP_PKEY *pktmp; 254 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 255 return pkey_get_eckey(pktmp, eckey); /* will free pktmp */ 256 } 257 258 #endif 259 260 IMPLEMENT_PEM_write_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams) 261 262 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY) 263
