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| 1 /* crypto/asn1/d2i_pr.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/bn.h> | |
| 62 #include <openssl/evp.h> | |
| 63 #include <openssl/objects.h> | |
| 64 #ifndef OPENSSL_NO_ENGINE | |
| 65 #include <openssl/engine.h> | |
| 66 #endif | |
| 67 #include <openssl/x509.h> | |
| 68 #include <openssl/asn1.h> | |
| 69 #include "asn1_locl.h" | |
| 70 | |
| 71 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp, | |
| 72 long length) | |
| 73 { | |
| 74 EVP_PKEY *ret; | |
| 75 | |
| 76 if ((a == NULL) || (*a == NULL)) | |
| 77 { | |
| 78 if ((ret=EVP_PKEY_new()) == NULL) | |
| 79 { | |
| 80 ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_EVP_LIB); | |
| 81 return(NULL); | |
| 82 } | |
| 83 } | |
| 84 else | |
| 85 { | |
| 86 ret= *a; | |
| 87 #ifndef OPENSSL_NO_ENGINE | |
| 88 if (ret->engine) | |
| 89 { | |
| 90 ENGINE_finish(ret->engine); | |
| 91 ret->engine = NULL; | |
| 92 } | |
| 93 #endif | |
| 94 } | |
| 95 | |
| 96 if (!EVP_PKEY_set_type(ret, type)) | |
| 97 { | |
| 98 ASN1err(ASN1_F_D2I_PRIVATEKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE); | |
| 99 goto err; | |
| 100 } | |
| 101 | |
| 102 if (!ret->ameth->old_priv_decode || | |
| 103 !ret->ameth->old_priv_decode(ret, pp, length)) | |
| 104 { | |
| 105 if (ret->ameth->priv_decode) | |
| 106 { | |
| 107 PKCS8_PRIV_KEY_INFO *p8=NULL; | |
| 108 p8=d2i_PKCS8_PRIV_KEY_INFO(NULL,pp,length); | |
| 109 if (!p8) goto err; | |
| 110 EVP_PKEY_free(ret); | |
| 111 ret = EVP_PKCS82PKEY(p8); | |
| 112 PKCS8_PRIV_KEY_INFO_free(p8); | |
| 113 | |
| 114 } | |
| 115 else | |
| 116 { | |
| 117 ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_ASN1_LIB); | |
| 118 goto err; | |
| 119 } | |
| 120 } | |
| 121 if (a != NULL) (*a)=ret; | |
| 122 return(ret); | |
| 123 err: | |
| 124 if ((ret != NULL) && ((a == NULL) || (*a != ret))) EVP_PKEY_free(ret); | |
| 125 return(NULL); | |
| 126 } | |
| 127 | |
| 128 /* This works like d2i_PrivateKey() except it automatically works out the type *
/ | |
| 129 | |
| 130 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp, | |
| 131 long length) | |
| 132 { | |
| 133 STACK_OF(ASN1_TYPE) *inkey; | |
| 134 const unsigned char *p; | |
| 135 int keytype; | |
| 136 p = *pp; | |
| 137 /* Dirty trick: read in the ASN1 data into a STACK_OF(ASN1_TYPE): | |
| 138 * by analyzing it we can determine the passed structure: this | |
| 139 * assumes the input is surrounded by an ASN1 SEQUENCE. | |
| 140 */ | |
| 141 inkey = d2i_ASN1_SEQUENCE_ANY(NULL, &p, length); | |
| 142 /* Since we only need to discern "traditional format" RSA and DSA | |
| 143 * keys we can just count the elements. | |
| 144 */ | |
| 145 if(sk_ASN1_TYPE_num(inkey) == 6) | |
| 146 keytype = EVP_PKEY_DSA; | |
| 147 else if (sk_ASN1_TYPE_num(inkey) == 4) | |
| 148 keytype = EVP_PKEY_EC; | |
| 149 else if (sk_ASN1_TYPE_num(inkey) == 3) | |
| 150 { /* This seems to be PKCS8, not traditional format */ | |
| 151 PKCS8_PRIV_KEY_INFO *p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL,p
p,length); | |
| 152 EVP_PKEY *ret; | |
| 153 | |
| 154 sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free); | |
| 155 if (!p8) | |
| 156 { | |
| 157 ASN1err(ASN1_F_D2I_AUTOPRIVATEKEY,ASN1_R_UNSUPPO
RTED_PUBLIC_KEY_TYPE); | |
| 158 return NULL; | |
| 159 } | |
| 160 ret = EVP_PKCS82PKEY(p8); | |
| 161 PKCS8_PRIV_KEY_INFO_free(p8); | |
| 162 if (a) { | |
| 163 *a = ret; | |
| 164 } | |
| 165 return ret; | |
| 166 } | |
| 167 else keytype = EVP_PKEY_RSA; | |
| 168 sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free); | |
| 169 return d2i_PrivateKey(keytype, a, pp, length); | |
| 170 } | |
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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