| OLD | NEW |
|---|
| (Empty) |
| 1 /* crypto/asn1/n_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 #ifndef OPENSSL_NO_RSA | |
| 62 #include <openssl/rsa.h> | |
| 63 #include <openssl/objects.h> | |
| 64 #include <openssl/asn1t.h> | |
| 65 #include <openssl/asn1_mac.h> | |
| 66 #include <openssl/evp.h> | |
| 67 #include <openssl/x509.h> | |
| 68 | |
| 69 | |
| 70 #ifndef OPENSSL_NO_RC4 | |
| 71 | |
| 72 typedef struct netscape_pkey_st | |
| 73 { | |
| 74 long version; | |
| 75 X509_ALGOR *algor; | |
| 76 ASN1_OCTET_STRING *private_key; | |
| 77 } NETSCAPE_PKEY; | |
| 78 | |
| 79 typedef struct netscape_encrypted_pkey_st | |
| 80 { | |
| 81 ASN1_OCTET_STRING *os; | |
| 82 /* This is the same structure as DigestInfo so use it: | |
| 83 * although this isn't really anything to do with | |
| 84 * digests. | |
| 85 */ | |
| 86 X509_SIG *enckey; | |
| 87 } NETSCAPE_ENCRYPTED_PKEY; | |
| 88 | |
| 89 | |
| 90 ASN1_BROKEN_SEQUENCE(NETSCAPE_ENCRYPTED_PKEY) = { | |
| 91 ASN1_SIMPLE(NETSCAPE_ENCRYPTED_PKEY, os, ASN1_OCTET_STRING), | |
| 92 ASN1_SIMPLE(NETSCAPE_ENCRYPTED_PKEY, enckey, X509_SIG) | |
| 93 } ASN1_BROKEN_SEQUENCE_END(NETSCAPE_ENCRYPTED_PKEY) | |
| 94 | |
| 95 DECLARE_ASN1_FUNCTIONS_const(NETSCAPE_ENCRYPTED_PKEY) | |
| 96 DECLARE_ASN1_ENCODE_FUNCTIONS_const(NETSCAPE_ENCRYPTED_PKEY,NETSCAPE_ENCRYPTED_P
KEY) | |
| 97 IMPLEMENT_ASN1_FUNCTIONS_const(NETSCAPE_ENCRYPTED_PKEY) | |
| 98 | |
| 99 ASN1_SEQUENCE(NETSCAPE_PKEY) = { | |
| 100 ASN1_SIMPLE(NETSCAPE_PKEY, version, LONG), | |
| 101 ASN1_SIMPLE(NETSCAPE_PKEY, algor, X509_ALGOR), | |
| 102 ASN1_SIMPLE(NETSCAPE_PKEY, private_key, ASN1_OCTET_STRING) | |
| 103 } ASN1_SEQUENCE_END(NETSCAPE_PKEY) | |
| 104 | |
| 105 DECLARE_ASN1_FUNCTIONS_const(NETSCAPE_PKEY) | |
| 106 DECLARE_ASN1_ENCODE_FUNCTIONS_const(NETSCAPE_PKEY,NETSCAPE_PKEY) | |
| 107 IMPLEMENT_ASN1_FUNCTIONS_const(NETSCAPE_PKEY) | |
| 108 | |
| 109 static RSA *d2i_RSA_NET_2(RSA **a, ASN1_OCTET_STRING *os, | |
| 110 int (*cb)(char *buf, int len, const char *prompt, | |
| 111 int verify), | |
| 112 int sgckey); | |
| 113 | |
| 114 int i2d_Netscape_RSA(const RSA *a, unsigned char **pp, | |
| 115 int (*cb)(char *buf, int len, const char *prompt, | |
| 116 int verify)) | |
| 117 { | |
| 118 return i2d_RSA_NET(a, pp, cb, 0); | |
| 119 } | |
| 120 | |
| 121 int i2d_RSA_NET(const RSA *a, unsigned char **pp, | |
| 122 int (*cb)(char *buf, int len, const char *prompt, int verify), | |
| 123 int sgckey) | |
| 124 { | |
| 125 int i, j, ret = 0; | |
| 126 int rsalen, pkeylen, olen; | |
| 127 NETSCAPE_PKEY *pkey = NULL; | |
| 128 NETSCAPE_ENCRYPTED_PKEY *enckey = NULL; | |
| 129 unsigned char buf[256],*zz; | |
| 130 unsigned char key[EVP_MAX_KEY_LENGTH]; | |
| 131 EVP_CIPHER_CTX ctx; | |
| 132 EVP_CIPHER_CTX_init(&ctx); | |
| 133 | |
| 134 if (a == NULL) return(0); | |
| 135 | |
| 136 if ((pkey=NETSCAPE_PKEY_new()) == NULL) goto err; | |
| 137 if ((enckey=NETSCAPE_ENCRYPTED_PKEY_new()) == NULL) goto err; | |
| 138 pkey->version = 0; | |
| 139 | |
| 140 pkey->algor->algorithm=OBJ_nid2obj(NID_rsaEncryption); | |
| 141 if ((pkey->algor->parameter=ASN1_TYPE_new()) == NULL) goto err; | |
| 142 pkey->algor->parameter->type=V_ASN1_NULL; | |
| 143 | |
| 144 rsalen = i2d_RSAPrivateKey(a, NULL); | |
| 145 | |
| 146 /* Fake some octet strings just for the initial length | |
| 147 * calculation. | |
| 148 */ | |
| 149 | |
| 150 pkey->private_key->length=rsalen; | |
| 151 | |
| 152 pkeylen=i2d_NETSCAPE_PKEY(pkey,NULL); | |
| 153 | |
| 154 enckey->enckey->digest->length = pkeylen; | |
| 155 | |
| 156 enckey->os->length = 11; /* "private-key" */ | |
| 157 | |
| 158 enckey->enckey->algor->algorithm=OBJ_nid2obj(NID_rc4); | |
| 159 if ((enckey->enckey->algor->parameter=ASN1_TYPE_new()) == NULL) goto err
; | |
| 160 enckey->enckey->algor->parameter->type=V_ASN1_NULL; | |
| 161 | |
| 162 if (pp == NULL) | |
| 163 { | |
| 164 olen = i2d_NETSCAPE_ENCRYPTED_PKEY(enckey, NULL); | |
| 165 NETSCAPE_PKEY_free(pkey); | |
| 166 NETSCAPE_ENCRYPTED_PKEY_free(enckey); | |
| 167 return olen; | |
| 168 } | |
| 169 | |
| 170 | |
| 171 /* Since its RC4 encrypted length is actual length */ | |
| 172 if ((zz=(unsigned char *)OPENSSL_malloc(rsalen)) == NULL) | |
| 173 { | |
| 174 ASN1err(ASN1_F_I2D_RSA_NET,ERR_R_MALLOC_FAILURE); | |
| 175 goto err; | |
| 176 } | |
| 177 | |
| 178 pkey->private_key->data = zz; | |
| 179 /* Write out private key encoding */ | |
| 180 i2d_RSAPrivateKey(a,&zz); | |
| 181 | |
| 182 if ((zz=OPENSSL_malloc(pkeylen)) == NULL) | |
| 183 { | |
| 184 ASN1err(ASN1_F_I2D_RSA_NET,ERR_R_MALLOC_FAILURE); | |
| 185 goto err; | |
| 186 } | |
| 187 | |
| 188 if (!ASN1_STRING_set(enckey->os, "private-key", -1)) | |
| 189 { | |
| 190 ASN1err(ASN1_F_I2D_RSA_NET,ERR_R_MALLOC_FAILURE); | |
| 191 goto err; | |
| 192 } | |
| 193 enckey->enckey->digest->data = zz; | |
| 194 i2d_NETSCAPE_PKEY(pkey,&zz); | |
| 195 | |
| 196 /* Wipe the private key encoding */ | |
| 197 OPENSSL_cleanse(pkey->private_key->data, rsalen); | |
| 198 | |
| 199 if (cb == NULL) | |
| 200 cb=EVP_read_pw_string; | |
| 201 i=cb((char *)buf,256,"Enter Private Key password:",1); | |
| 202 if (i != 0) | |
| 203 { | |
| 204 ASN1err(ASN1_F_I2D_RSA_NET,ASN1_R_BAD_PASSWORD_READ); | |
| 205 goto err; | |
| 206 } | |
| 207 i = strlen((char *)buf); | |
| 208 /* If the key is used for SGC the algorithm is modified a little. */ | |
| 209 if(sgckey) { | |
| 210 if (!EVP_Digest(buf, i, buf, NULL, EVP_md5(), NULL)) | |
| 211 goto err; | |
| 212 memcpy(buf + 16, "SGCKEYSALT", 10); | |
| 213 i = 26; | |
| 214 } | |
| 215 | |
| 216 if (!EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,i,1,key,NULL)) | |
| 217 goto err; | |
| 218 OPENSSL_cleanse(buf,256); | |
| 219 | |
| 220 /* Encrypt private key in place */ | |
| 221 zz = enckey->enckey->digest->data; | |
| 222 if (!EVP_EncryptInit_ex(&ctx,EVP_rc4(),NULL,key,NULL)) | |
| 223 goto err; | |
| 224 if (!EVP_EncryptUpdate(&ctx,zz,&i,zz,pkeylen)) | |
| 225 goto err; | |
| 226 if (!EVP_EncryptFinal_ex(&ctx,zz + i,&j)) | |
| 227 goto err; | |
| 228 | |
| 229 ret = i2d_NETSCAPE_ENCRYPTED_PKEY(enckey, pp); | |
| 230 err: | |
| 231 EVP_CIPHER_CTX_cleanup(&ctx); | |
| 232 NETSCAPE_ENCRYPTED_PKEY_free(enckey); | |
| 233 NETSCAPE_PKEY_free(pkey); | |
| 234 return(ret); | |
| 235 } | |
| 236 | |
| 237 | |
| 238 RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length, | |
| 239 int (*cb)(char *buf, int len, const char *prompt, | |
| 240 int verify)) | |
| 241 { | |
| 242 return d2i_RSA_NET(a, pp, length, cb, 0); | |
| 243 } | |
| 244 | |
| 245 RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length, | |
| 246 int (*cb)(char *buf, int len, const char *prompt, int verify), | |
| 247 int sgckey) | |
| 248 { | |
| 249 RSA *ret=NULL; | |
| 250 const unsigned char *p; | |
| 251 NETSCAPE_ENCRYPTED_PKEY *enckey = NULL; | |
| 252 | |
| 253 p = *pp; | |
| 254 | |
| 255 enckey = d2i_NETSCAPE_ENCRYPTED_PKEY(NULL, &p, length); | |
| 256 if(!enckey) { | |
| 257 ASN1err(ASN1_F_D2I_RSA_NET,ASN1_R_DECODING_ERROR); | |
| 258 return NULL; | |
| 259 } | |
| 260 | |
| 261 if ((enckey->os->length != 11) || (strncmp("private-key", | |
| 262 (char *)enckey->os->data,11) != 0)) | |
| 263 { | |
| 264 ASN1err(ASN1_F_D2I_RSA_NET,ASN1_R_PRIVATE_KEY_HEADER_MISSING); | |
| 265 NETSCAPE_ENCRYPTED_PKEY_free(enckey); | |
| 266 return NULL; | |
| 267 } | |
| 268 if (OBJ_obj2nid(enckey->enckey->algor->algorithm) != NID_rc4) | |
| 269 { | |
| 270 ASN1err(ASN1_F_D2I_RSA_NET,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORIT
HM); | |
| 271 goto err; | |
| 272 } | |
| 273 if (cb == NULL) | |
| 274 cb=EVP_read_pw_string; | |
| 275 if ((ret=d2i_RSA_NET_2(a, enckey->enckey->digest,cb, sgckey)) == NULL) g
oto err; | |
| 276 | |
| 277 *pp = p; | |
| 278 | |
| 279 err: | |
| 280 NETSCAPE_ENCRYPTED_PKEY_free(enckey); | |
| 281 return ret; | |
| 282 | |
| 283 } | |
| 284 | |
| 285 static RSA *d2i_RSA_NET_2(RSA **a, ASN1_OCTET_STRING *os, | |
| 286 int (*cb)(char *buf, int len, const char *prompt, | |
| 287 int verify), int sgckey) | |
| 288 { | |
| 289 NETSCAPE_PKEY *pkey=NULL; | |
| 290 RSA *ret=NULL; | |
| 291 int i,j; | |
| 292 unsigned char buf[256]; | |
| 293 const unsigned char *zz; | |
| 294 unsigned char key[EVP_MAX_KEY_LENGTH]; | |
| 295 EVP_CIPHER_CTX ctx; | |
| 296 EVP_CIPHER_CTX_init(&ctx); | |
| 297 | |
| 298 i=cb((char *)buf,256,"Enter Private Key password:",0); | |
| 299 if (i != 0) | |
| 300 { | |
| 301 ASN1err(ASN1_F_D2I_RSA_NET_2,ASN1_R_BAD_PASSWORD_READ); | |
| 302 goto err; | |
| 303 } | |
| 304 | |
| 305 i = strlen((char *)buf); | |
| 306 if(sgckey){ | |
| 307 if (!EVP_Digest(buf, i, buf, NULL, EVP_md5(), NULL)) | |
| 308 goto err; | |
| 309 memcpy(buf + 16, "SGCKEYSALT", 10); | |
| 310 i = 26; | |
| 311 } | |
| 312 | |
| 313 if (!EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,i,1,key,NULL)) | |
| 314 goto err; | |
| 315 OPENSSL_cleanse(buf,256); | |
| 316 | |
| 317 if (!EVP_DecryptInit_ex(&ctx,EVP_rc4(),NULL, key,NULL)) | |
| 318 goto err; | |
| 319 if (!EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length)) | |
| 320 goto err; | |
| 321 if (!EVP_DecryptFinal_ex(&ctx,&(os->data[i]),&j)) | |
| 322 goto err; | |
| 323 os->length=i+j; | |
| 324 | |
| 325 zz=os->data; | |
| 326 | |
| 327 if ((pkey=d2i_NETSCAPE_PKEY(NULL,&zz,os->length)) == NULL) | |
| 328 { | |
| 329 ASN1err(ASN1_F_D2I_RSA_NET_2,ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE
_KEY); | |
| 330 goto err; | |
| 331 } | |
| 332 | |
| 333 zz=pkey->private_key->data; | |
| 334 if ((ret=d2i_RSAPrivateKey(a,&zz,pkey->private_key->length)) == NULL) | |
| 335 { | |
| 336 ASN1err(ASN1_F_D2I_RSA_NET_2,ASN1_R_UNABLE_TO_DECODE_RSA_KEY); | |
| 337 goto err; | |
| 338 } | |
| 339 err: | |
| 340 EVP_CIPHER_CTX_cleanup(&ctx); | |
| 341 NETSCAPE_PKEY_free(pkey); | |
| 342 return(ret); | |
| 343 } | |
| 344 | |
| 345 #endif /* OPENSSL_NO_RC4 */ | |
| 346 | |
| 347 #else /* !OPENSSL_NO_RSA */ | |
| 348 | |
| 349 # if PEDANTIC | |
| 350 static void *dummy=&dummy; | |
| 351 # endif | |
| 352 | |
| 353 #endif | |
| OLD | NEW |
|---|
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