1 /* crypto/pem/pem_all.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 #undef SSLEAY_MACROS 61 #include "cryptlib.h" 62 #include <openssl/bio.h> 63 #include <openssl/evp.h> 64 #include <openssl/x509.h> 65 #include <openssl/pkcs7.h> 66 #include <openssl/pem.h> 67 68 #ifndef NO_RSA 69 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa); 70 #endif 71 #ifndef NO_DSA 72 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa); 73 #endif 74 75 IMPLEMENT_PEM_rw(X509, X509, PEM_STRING_X509, X509) 76 77 IMPLEMENT_PEM_rw(X509_AUX, X509, PEM_STRING_X509_TRUSTED, X509_AUX) 78 79 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ) 80 81 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ) 82 83 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL) 84 85 IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7) 86 87 IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE, 88 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE) 89 90 IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG) 91 IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, 92 PKCS8_PRIV_KEY_INFO) 93 94 #ifndef NO_RSA 95 96 /* We treat RSA or DSA private keys as a special case. 97 * 98 * For private keys we read in an EVP_PKEY structure with 99 * PEM_read_bio_PrivateKey() and extract the relevant private 100 * key: this means can handle "traditional" and PKCS#8 formats 101 * transparently. 102 */ 103 104 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa) 105 { 106 RSA *rtmp; 107 if(!key) return NULL; 108 rtmp = EVP_PKEY_get1_RSA(key); 109 EVP_PKEY_free(key); 110 if(!rtmp) return NULL; 111 if(rsa) { 112 RSA_free(*rsa); 113 *rsa = rtmp; 114 } 115 return rtmp; 116 } 117 118 RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb, 119 void *u) 120 { 121 EVP_PKEY *pktmp; 122 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 123 return pkey_get_rsa(pktmp, rsa); 124 } 125 126 #ifndef NO_FP_API 127 128 RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, 129 void *u) 130 { 131 EVP_PKEY *pktmp; 132 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 133 return pkey_get_rsa(pktmp, rsa); 134 } 135 136 #endif 137 138 IMPLEMENT_PEM_write_cb(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey) 139 IMPLEMENT_PEM_rw(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey) 140 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY) 141 142 #endif 143 144 #ifndef NO_DSA 145 146 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa) 147 { 148 DSA *dtmp; 149 if(!key) return NULL; 150 dtmp = EVP_PKEY_get1_DSA(key); 151 EVP_PKEY_free(key); 152 if(!dtmp) return NULL; 153 if(dsa) { 154 DSA_free(*dsa); 155 *dsa = dtmp; 156 } 157 return dtmp; 158 } 159 160 DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb, 161 void *u) 162 { 163 EVP_PKEY *pktmp; 164 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 165 return pkey_get_dsa(pktmp, dsa); 166 } 167 168 IMPLEMENT_PEM_write_cb(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey) 169 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY) 170 171 #ifndef NO_FP_API 172 173 DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, 174 void *u) 175 { 176 EVP_PKEY *pktmp; 177 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 178 return pkey_get_dsa(pktmp, dsa); 179 } 180 181 #endif 182 183 IMPLEMENT_PEM_rw(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams) 184 185 #endif 186 187 #ifndef NO_DH 188 189 IMPLEMENT_PEM_rw(DHparams, DH, PEM_STRING_DHPARAMS, DHparams) 190 191 #endif 192 193 194 /* The PrivateKey case is not that straightforward. 195 * IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey) 196 * does not work, RSA and DSA keys have specific strings. 197 * (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything 198 * appropriate.) 199 */ 200 IMPLEMENT_PEM_read(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey) 201 IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA), PrivateKey) 202 203 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY) 204