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| 1 /* crypto/pem/pem_pkey.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 #include "cryptlib.h" | |
| 61 #include <openssl/buffer.h> | |
| 62 #include <openssl/objects.h> | |
| 63 #include <openssl/evp.h> | |
| 64 #include <openssl/rand.h> | |
| 65 #include <openssl/x509.h> | |
| 66 #include <openssl/pkcs12.h> | |
| 67 #include <openssl/pem.h> | |
| 68 #ifndef OPENSSL_NO_ENGINE | |
| 69 #include <openssl/engine.h> | |
| 70 #endif | |
| 71 #include "asn1_locl.h" | |
| 72 | |
| 73 int pem_check_suffix(const char *pem_str, const char *suffix); | |
| 74 | |
| 75 EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, vo
id *u) | |
| 76 { | |
| 77 char *nm=NULL; | |
| 78 const unsigned char *p=NULL; | |
| 79 unsigned char *data=NULL; | |
| 80 long len; | |
| 81 int slen; | |
| 82 EVP_PKEY *ret=NULL; | |
| 83 | |
| 84 if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u
)) | |
| 85 return NULL; | |
| 86 p = data; | |
| 87 | |
| 88 if (strcmp(nm,PEM_STRING_PKCS8INF) == 0) { | |
| 89 PKCS8_PRIV_KEY_INFO *p8inf; | |
| 90 p8inf=d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len); | |
| 91 if(!p8inf) goto p8err; | |
| 92 ret = EVP_PKCS82PKEY(p8inf); | |
| 93 if(x) { | |
| 94 if(*x) EVP_PKEY_free((EVP_PKEY *)*x); | |
| 95 *x = ret; | |
| 96 } | |
| 97 PKCS8_PRIV_KEY_INFO_free(p8inf); | |
| 98 } else if (strcmp(nm,PEM_STRING_PKCS8) == 0) { | |
| 99 PKCS8_PRIV_KEY_INFO *p8inf; | |
| 100 X509_SIG *p8; | |
| 101 int klen; | |
| 102 char psbuf[PEM_BUFSIZE]; | |
| 103 p8 = d2i_X509_SIG(NULL, &p, len); | |
| 104 if(!p8) goto p8err; | |
| 105 if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u); | |
| 106 else klen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u); | |
| 107 if (klen <= 0) { | |
| 108 PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, | |
| 109 PEM_R_BAD_PASSWORD_READ); | |
| 110 X509_SIG_free(p8); | |
| 111 goto err; | |
| 112 } | |
| 113 p8inf = PKCS8_decrypt(p8, psbuf, klen); | |
| 114 X509_SIG_free(p8); | |
| 115 if(!p8inf) goto p8err; | |
| 116 ret = EVP_PKCS82PKEY(p8inf); | |
| 117 if(x) { | |
| 118 if(*x) EVP_PKEY_free((EVP_PKEY *)*x); | |
| 119 *x = ret; | |
| 120 } | |
| 121 PKCS8_PRIV_KEY_INFO_free(p8inf); | |
| 122 } else if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0) | |
| 123 { | |
| 124 const EVP_PKEY_ASN1_METHOD *ameth; | |
| 125 ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen); | |
| 126 if (!ameth || !ameth->old_priv_decode) | |
| 127 goto p8err; | |
| 128 ret=d2i_PrivateKey(ameth->pkey_id,x,&p,len); | |
| 129 } | |
| 130 p8err: | |
| 131 if (ret == NULL) | |
| 132 PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,ERR_R_ASN1_LIB); | |
| 133 err: | |
| 134 OPENSSL_free(nm); | |
| 135 OPENSSL_cleanse(data, len); | |
| 136 OPENSSL_free(data); | |
| 137 return(ret); | |
| 138 } | |
| 139 | |
| 140 int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
| 141 unsigned char *kstr, int klen, | |
| 142 pem_password_cb *cb, void *u) | |
| 143 { | |
| 144 char pem_str[80]; | |
| 145 if (!x->ameth || x->ameth->priv_encode) | |
| 146 return PEM_write_bio_PKCS8PrivateKey(bp, x, enc, | |
| 147 (char *)kstr, klen, | |
| 148 cb, u); | |
| 149 | |
| 150 BIO_snprintf(pem_str, 80, "%s PRIVATE KEY", x->ameth->pem_str); | |
| 151 return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey, | |
| 152 pem_str,bp,x,enc,kstr,klen,cb,u); | |
| 153 } | |
| 154 | |
| 155 EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x) | |
| 156 { | |
| 157 char *nm=NULL; | |
| 158 const unsigned char *p=NULL; | |
| 159 unsigned char *data=NULL; | |
| 160 long len; | |
| 161 int slen; | |
| 162 EVP_PKEY *ret=NULL; | |
| 163 | |
| 164 if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS, | |
| 165 bp, 0, NULL)) | |
| 166 return NULL; | |
| 167 p = data; | |
| 168 | |
| 169 if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0) | |
| 170 { | |
| 171 ret = EVP_PKEY_new(); | |
| 172 if (!ret) | |
| 173 goto err; | |
| 174 if (!EVP_PKEY_set_type_str(ret, nm, slen) | |
| 175 || !ret->ameth->param_decode | |
| 176 || !ret->ameth->param_decode(ret, &p, len)) | |
| 177 { | |
| 178 EVP_PKEY_free(ret); | |
| 179 ret = NULL; | |
| 180 goto err; | |
| 181 } | |
| 182 if(x) | |
| 183 { | |
| 184 if(*x) EVP_PKEY_free((EVP_PKEY *)*x); | |
| 185 *x = ret; | |
| 186 } | |
| 187 } | |
| 188 err: | |
| 189 if (ret == NULL) | |
| 190 PEMerr(PEM_F_PEM_READ_BIO_PARAMETERS,ERR_R_ASN1_LIB); | |
| 191 OPENSSL_free(nm); | |
| 192 OPENSSL_free(data); | |
| 193 return(ret); | |
| 194 } | |
| 195 | |
| 196 int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x) | |
| 197 { | |
| 198 char pem_str[80]; | |
| 199 if (!x->ameth || !x->ameth->param_encode) | |
| 200 return 0; | |
| 201 | |
| 202 BIO_snprintf(pem_str, 80, "%s PARAMETERS", x->ameth->pem_str); | |
| 203 return PEM_ASN1_write_bio( | |
| 204 (i2d_of_void *)x->ameth->param_encode, | |
| 205 pem_str,bp,x,NULL,NULL,0,0,NULL); | |
| 206 } | |
| 207 | |
| 208 #ifndef OPENSSL_NO_FP_API | |
| 209 EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void
*u) | |
| 210 { | |
| 211 BIO *b; | |
| 212 EVP_PKEY *ret; | |
| 213 | |
| 214 if ((b=BIO_new(BIO_s_file())) == NULL) | |
| 215 { | |
| 216 PEMerr(PEM_F_PEM_READ_PRIVATEKEY,ERR_R_BUF_LIB); | |
| 217 return(0); | |
| 218 } | |
| 219 BIO_set_fp(b,fp,BIO_NOCLOSE); | |
| 220 ret=PEM_read_bio_PrivateKey(b,x,cb,u); | |
| 221 BIO_free(b); | |
| 222 return(ret); | |
| 223 } | |
| 224 | |
| 225 int PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
| 226 unsigned char *kstr, int klen, | |
| 227 pem_password_cb *cb, void *u) | |
| 228 { | |
| 229 BIO *b; | |
| 230 int ret; | |
| 231 | |
| 232 if ((b=BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) | |
| 233 { | |
| 234 PEMerr(PEM_F_PEM_WRITE_PRIVATEKEY,ERR_R_BUF_LIB); | |
| 235 return 0; | |
| 236 } | |
| 237 ret=PEM_write_bio_PrivateKey(b, x, enc, kstr, klen, cb, u); | |
| 238 BIO_free(b); | |
| 239 return ret; | |
| 240 } | |
| 241 | |
| 242 #endif | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master