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| author | cvs2svn <admin@example.com> | 2015-03-08 16:48:48 +0000 |
|---|---|---|
| committer | cvs2svn <admin@example.com> | 2015-03-08 16:48:48 +0000 |
| commit | da1a9ad3a4a867ba6569c05e6fca66d7f296c553 (patch) | |
| tree | 44872802e872bdfd60730fa9cf01d9d5751251c1 /src/lib/libcrypto/asn1/a_verify.c | |
| parent | 973703db67a8e73d70e63afa8f2cde19da09144d (diff) | |
| download | openbsd-OPENBSD_5_7_BASE.tar.gz openbsd-OPENBSD_5_7_BASE.tar.bz2 openbsd-OPENBSD_5_7_BASE.zip | |
This commit was manufactured by cvs2git to create tag 'OPENBSD_5_7_BASE'.OPENBSD_5_7_BASE
Diffstat (limited to 'src/lib/libcrypto/asn1/a_verify.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/a_verify.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/src/lib/libcrypto/asn1/a_verify.c b/src/lib/libcrypto/asn1/a_verify.c deleted file mode 100644 index 3fc79b78f6..0000000000 --- a/src/lib/libcrypto/asn1/a_verify.c +++ /dev/null | |||
| @@ -1,172 +0,0 @@ | |||
| 1 | /* $OpenBSD: a_verify.c,v 1.21 2015/01/28 04:14:31 beck Exp $ */ | ||
| 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 <sys/types.h> | ||
| 60 | |||
| 61 | #include <stdio.h> | ||
| 62 | #include <time.h> | ||
| 63 | |||
| 64 | #include <openssl/bn.h> | ||
| 65 | #include <openssl/buffer.h> | ||
| 66 | #include <openssl/err.h> | ||
| 67 | #include <openssl/evp.h> | ||
| 68 | #include <openssl/objects.h> | ||
| 69 | #include <openssl/x509.h> | ||
| 70 | |||
| 71 | #include "asn1_locl.h" | ||
| 72 | |||
| 73 | int | ||
| 74 | ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a, | ||
| 75 | ASN1_BIT_STRING *signature, void *asn, EVP_PKEY *pkey) | ||
| 76 | { | ||
| 77 | EVP_MD_CTX ctx; | ||
| 78 | unsigned char *buf_in = NULL; | ||
| 79 | int ret = -1, inl; | ||
| 80 | |||
| 81 | int mdnid, pknid; | ||
| 82 | |||
| 83 | if (!pkey) { | ||
| 84 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_PASSED_NULL_PARAMETER); | ||
| 85 | return -1; | ||
| 86 | } | ||
| 87 | |||
| 88 | if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7) | ||
| 89 | { | ||
| 90 | ASN1err(ASN1_F_ASN1_VERIFY, | ||
| 91 | ASN1_R_INVALID_BIT_STRING_BITS_LEFT); | ||
| 92 | return -1; | ||
| 93 | } | ||
| 94 | |||
| 95 | EVP_MD_CTX_init(&ctx); | ||
| 96 | |||
| 97 | /* Convert signature OID into digest and public key OIDs */ | ||
| 98 | if (!OBJ_find_sigid_algs(OBJ_obj2nid(a->algorithm), &mdnid, &pknid)) { | ||
| 99 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, | ||
| 100 | ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM); | ||
| 101 | goto err; | ||
| 102 | } | ||
| 103 | if (mdnid == NID_undef) { | ||
| 104 | if (!pkey->ameth || !pkey->ameth->item_verify) { | ||
| 105 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, | ||
| 106 | ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM); | ||
| 107 | goto err; | ||
| 108 | } | ||
| 109 | ret = pkey->ameth->item_verify(&ctx, it, asn, a, | ||
| 110 | signature, pkey); | ||
| 111 | /* Return value of 2 means carry on, anything else means we | ||
| 112 | * exit straight away: either a fatal error of the underlying | ||
| 113 | * verification routine handles all verification. | ||
| 114 | */ | ||
| 115 | if (ret != 2) | ||
| 116 | goto err; | ||
| 117 | ret = -1; | ||
| 118 | } else { | ||
| 119 | const EVP_MD *type; | ||
| 120 | type = EVP_get_digestbynid(mdnid); | ||
| 121 | if (type == NULL) { | ||
| 122 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, | ||
| 123 | ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM); | ||
| 124 | goto err; | ||
| 125 | } | ||
| 126 | |||
| 127 | /* Check public key OID matches public key type */ | ||
| 128 | if (EVP_PKEY_type(pknid) != pkey->ameth->pkey_id) { | ||
| 129 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, | ||
| 130 | ASN1_R_WRONG_PUBLIC_KEY_TYPE); | ||
| 131 | goto err; | ||
| 132 | } | ||
| 133 | |||
| 134 | if (!EVP_DigestVerifyInit(&ctx, NULL, type, NULL, pkey)) { | ||
| 135 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_EVP_LIB); | ||
| 136 | ret = 0; | ||
| 137 | goto err; | ||
| 138 | } | ||
| 139 | |||
| 140 | } | ||
| 141 | |||
| 142 | inl = ASN1_item_i2d(asn, &buf_in, it); | ||
| 143 | |||
| 144 | if (buf_in == NULL) { | ||
| 145 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_MALLOC_FAILURE); | ||
| 146 | goto err; | ||
| 147 | } | ||
| 148 | |||
| 149 | if (!EVP_DigestVerifyUpdate(&ctx, buf_in, inl)) { | ||
| 150 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_EVP_LIB); | ||
| 151 | ret = 0; | ||
| 152 | goto err; | ||
| 153 | } | ||
| 154 | |||
| 155 | OPENSSL_cleanse(buf_in, (unsigned int)inl); | ||
| 156 | free(buf_in); | ||
| 157 | |||
| 158 | if (EVP_DigestVerifyFinal(&ctx, signature->data, | ||
| 159 | (size_t)signature->length) <= 0) { | ||
| 160 | ASN1err(ASN1_F_ASN1_ITEM_VERIFY, ERR_R_EVP_LIB); | ||
| 161 | ret = 0; | ||
| 162 | goto err; | ||
| 163 | } | ||
| 164 | /* we don't need to zero the 'ctx' because we just checked | ||
| 165 | * public information */ | ||
| 166 | /* memset(&ctx,0,sizeof(ctx)); */ | ||
| 167 | ret = 1; | ||
| 168 | |||
| 169 | err: | ||
| 170 | EVP_MD_CTX_cleanup(&ctx); | ||
| 171 | return (ret); | ||
| 172 | } | ||
