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 OPENSSL_NO_RSA 69 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa); 70 #endif 71 #ifndef OPENSSL_NO_DSA 72 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa); 73 #endif 74 75 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ) 76 77 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ) 78 79 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL) 80 81 IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7) 82 83 IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE, 84 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE) 85 86 87 #ifndef OPENSSL_NO_RSA 88 89 /* We treat RSA or DSA private keys as a special case. 90 * 91 * For private keys we read in an EVP_PKEY structure with 92 * PEM_read_bio_PrivateKey() and extract the relevant private 93 * key: this means can handle "traditional" and PKCS#8 formats 94 * transparently. 95 */ 96 97 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa) 98 { 99 RSA *rtmp; 100 if(!key) return NULL; 101 rtmp = EVP_PKEY_get1_RSA(key); 102 EVP_PKEY_free(key); 103 if(!rtmp) return NULL; 104 if(rsa) { 105 RSA_free(*rsa); 106 *rsa = rtmp; 107 } 108 return rtmp; 109 } 110 111 RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb, 112 void *u) 113 { 114 EVP_PKEY *pktmp; 115 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 116 return pkey_get_rsa(pktmp, rsa); 117 } 118 119 #ifndef OPENSSL_NO_FP_API 120 121 RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, 122 void *u) 123 { 124 EVP_PKEY *pktmp; 125 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 126 return pkey_get_rsa(pktmp, rsa); 127 } 128 129 #endif 130 131 IMPLEMENT_PEM_write_cb(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey) 132 IMPLEMENT_PEM_rw(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey) 133 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY) 134 135 #endif 136 137 #ifndef OPENSSL_NO_DSA 138 139 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa) 140 { 141 DSA *dtmp; 142 if(!key) return NULL; 143 dtmp = EVP_PKEY_get1_DSA(key); 144 EVP_PKEY_free(key); 145 if(!dtmp) return NULL; 146 if(dsa) { 147 DSA_free(*dsa); 148 *dsa = dtmp; 149 } 150 return dtmp; 151 } 152 153 DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, 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_dsa(pktmp, dsa); 159 } 160 161 IMPLEMENT_PEM_write_cb(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey) 162 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY) 163 164 #ifndef OPENSSL_NO_FP_API 165 166 DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, 167 void *u) 168 { 169 EVP_PKEY *pktmp; 170 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 171 return pkey_get_dsa(pktmp, dsa); 172 } 173 174 #endif 175 176 IMPLEMENT_PEM_rw(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams) 177 178 #endif 179 180 #ifndef OPENSSL_NO_DH 181 182 IMPLEMENT_PEM_rw(DHparams, DH, PEM_STRING_DHPARAMS, DHparams) 183 184 #endif 185 186 187 /* The PrivateKey case is not that straightforward. 188 * IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey) 189 * does not work, RSA and DSA keys have specific strings. 190 * (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything 191 * appropriate.) 192 */ 193 IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA), PrivateKey) 194 195 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY) 196 197