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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 | |
| 69 static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, | |
| 70 int nid, const EVP_CIPHER *enc, | |
| 71 char *kstr, int klen, | |
| 72 pem_password_cb *cb, void *u); | |
| 73 static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder, | |
| 74 int nid, const EVP_CIPHER *enc, | |
| 75 char *kstr, int klen, | |
| 76 pem_password_cb *cb, void *u); | |
| 77 | |
| 78 /* These functions write a private key in PKCS#8 format: it is a "drop in" | |
| 79 * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc' | |
| 80 * is NULL then it uses the unencrypted private key form. The 'nid' versions | |
| 81 * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0. | |
| 82 */ | |
| 83 | |
| 84 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, | |
| 85 char *kstr, int klen, | |
| 86 pem_password_cb *cb, void *u) | |
| 87 { | |
| 88 return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u); | |
| 89 } | |
| 90 | |
| 91 int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
| 92 char *kstr, int klen, | |
| 93 pem_password_cb *cb, void *u) | |
| 94 { | |
| 95 return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u); | |
| 96 } | |
| 97 | |
| 98 int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
| 99 char *kstr, int klen, | |
| 100 pem_password_cb *cb, void *u) | |
| 101 { | |
| 102 return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u); | |
| 103 } | |
| 104 | |
| 105 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid, | |
| 106 char *kstr, int klen, | |
| 107 pem_password_cb *cb, void *u) | |
| 108 { | |
| 109 return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u); | |
| 110 } | |
| 111 | |
| 112 static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER
*enc, | |
| 113 char *kstr, int klen, | |
| 114 pem_password_cb *cb, void *u) | |
| 115 { | |
| 116 X509_SIG *p8; | |
| 117 PKCS8_PRIV_KEY_INFO *p8inf; | |
| 118 char buf[PEM_BUFSIZE]; | |
| 119 int ret; | |
| 120 if(!(p8inf = EVP_PKEY2PKCS8(x))) { | |
| 121 PEMerr(PEM_F_DO_PK8PKEY, | |
| 122 PEM_R_ERROR_CONVERTING_PRIVATE_KEY); | |
| 123 return 0; | |
| 124 } | |
| 125 if(enc || (nid != -1)) { | |
| 126 if(!kstr) { | |
| 127 if(!cb) klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u); | |
| 128 else klen = cb(buf, PEM_BUFSIZE, 1, u); | |
| 129 if(klen <= 0) { | |
| 130 PEMerr(PEM_F_DO_PK8PKEY,PEM_R_READ_KEY); | |
| 131 PKCS8_PRIV_KEY_INFO_free(p8inf); | |
| 132 return 0; | |
| 133 } | |
| 134 | |
| 135 kstr = buf; | |
| 136 } | |
| 137 p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf); | |
| 138 if(kstr == buf) OPENSSL_cleanse(buf, klen); | |
| 139 PKCS8_PRIV_KEY_INFO_free(p8inf); | |
| 140 if(isder) ret = i2d_PKCS8_bio(bp, p8); | |
| 141 else ret = PEM_write_bio_PKCS8(bp, p8); | |
| 142 X509_SIG_free(p8); | |
| 143 return ret; | |
| 144 } else { | |
| 145 if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf); | |
| 146 else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf); | |
| 147 PKCS8_PRIV_KEY_INFO_free(p8inf); | |
| 148 return ret; | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, vo
id *u) | |
| 153 { | |
| 154 PKCS8_PRIV_KEY_INFO *p8inf = NULL; | |
| 155 X509_SIG *p8 = NULL; | |
| 156 int klen; | |
| 157 EVP_PKEY *ret; | |
| 158 char psbuf[PEM_BUFSIZE]; | |
| 159 p8 = d2i_PKCS8_bio(bp, NULL); | |
| 160 if(!p8) return NULL; | |
| 161 if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u); | |
| 162 else klen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u); | |
| 163 if (klen <= 0) { | |
| 164 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ); | |
| 165 X509_SIG_free(p8); | |
| 166 return NULL; | |
| 167 } | |
| 168 p8inf = PKCS8_decrypt(p8, psbuf, klen); | |
| 169 X509_SIG_free(p8); | |
| 170 if(!p8inf) return NULL; | |
| 171 ret = EVP_PKCS82PKEY(p8inf); | |
| 172 PKCS8_PRIV_KEY_INFO_free(p8inf); | |
| 173 if(!ret) return NULL; | |
| 174 if(x) { | |
| 175 if(*x) EVP_PKEY_free(*x); | |
| 176 *x = ret; | |
| 177 } | |
| 178 return ret; | |
| 179 } | |
| 180 | |
| 181 #ifndef OPENSSL_NO_FP_API | |
| 182 | |
| 183 int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
| 184 char *kstr, int klen, | |
| 185 pem_password_cb *cb, void *u) | |
| 186 { | |
| 187 return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u); | |
| 188 } | |
| 189 | |
| 190 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, | |
| 191 char *kstr, int klen, | |
| 192 pem_password_cb *cb, void *u) | |
| 193 { | |
| 194 return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u); | |
| 195 } | |
| 196 | |
| 197 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, | |
| 198 char *kstr, int klen, | |
| 199 pem_password_cb *cb, void *u) | |
| 200 { | |
| 201 return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u); | |
| 202 } | |
| 203 | |
| 204 int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, | |
| 205 char *kstr, int klen, pem_password_cb *cb, void *u
) | |
| 206 { | |
| 207 return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u); | |
| 208 } | |
| 209 | |
| 210 static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CI
PHER *enc, | |
| 211 char *kstr, int klen, | |
| 212 pem_password_cb *cb, void *u) | |
| 213 { | |
| 214 BIO *bp; | |
| 215 int ret; | |
| 216 if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) { | |
| 217 PEMerr(PEM_F_DO_PK8PKEY_FP,ERR_R_BUF_LIB); | |
| 218 return(0); | |
| 219 } | |
| 220 ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u); | |
| 221 BIO_free(bp); | |
| 222 return ret; | |
| 223 } | |
| 224 | |
| 225 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, vo
id *u) | |
| 226 { | |
| 227 BIO *bp; | |
| 228 EVP_PKEY *ret; | |
| 229 if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) { | |
| 230 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP,ERR_R_BUF_LIB); | |
| 231 return NULL; | |
| 232 } | |
| 233 ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u); | |
| 234 BIO_free(bp); | |
| 235 return ret; | |
| 236 } | |
| 237 | |
| 238 #endif | |
| 239 | |
| 240 IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG) | |
| 241 IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, | |
| 242 PKCS8_PRIV_KEY_INFO) | |
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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