[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include <time.h>
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| 12 |
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| 13 | #include "internal/cryptlib.h"
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| 14 |
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| 15 | #ifndef NO_SYS_TYPES_H
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| 16 | # include <sys/types.h>
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| 17 | #endif
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| 18 |
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| 19 | #include <openssl/err.h>
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| 20 | #include <openssl/evp.h>
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| 21 | #include <openssl/buffer.h>
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| 22 | #include <openssl/x509.h>
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| 23 |
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| 24 | #ifndef NO_ASN1_OLD
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| 25 |
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| 26 | int ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data,
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| 27 | unsigned char *md, unsigned int *len)
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| 28 | {
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| 29 | int i;
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| 30 | unsigned char *str, *p;
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| 31 |
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| 32 | i = i2d(data, NULL);
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| 33 | if ((str = OPENSSL_malloc(i)) == NULL) {
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| 34 | ASN1err(ASN1_F_ASN1_DIGEST, ERR_R_MALLOC_FAILURE);
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| 35 | return (0);
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| 36 | }
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| 37 | p = str;
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| 38 | i2d(data, &p);
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| 39 |
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| 40 | if (!EVP_Digest(str, i, md, len, type, NULL)) {
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| 41 | OPENSSL_free(str);
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| 42 | return 0;
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| 43 | }
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| 44 | OPENSSL_free(str);
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| 45 | return (1);
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| 46 | }
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| 47 |
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| 48 | #endif
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| 49 |
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| 50 | int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn,
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| 51 | unsigned char *md, unsigned int *len)
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| 52 | {
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| 53 | int i;
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| 54 | unsigned char *str = NULL;
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| 55 |
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| 56 | i = ASN1_item_i2d(asn, &str, it);
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| 57 | if (!str)
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| 58 | return (0);
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| 59 |
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| 60 | if (!EVP_Digest(str, i, md, len, type, NULL)) {
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| 61 | OPENSSL_free(str);
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| 62 | return 0;
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| 63 | }
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| 64 | OPENSSL_free(str);
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| 65 | return (1);
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| 66 | }
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