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b1322259 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
d02b48c6 | 3 | * |
b1322259 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
58964a49 | 11 | #include <string.h> |
7a1f92fd | 12 | #include <openssl/crypto.h> |
d749e108 | 13 | #include <openssl/sha.h> |
d02b48c6 | 14 | |
9e0aad9f | 15 | unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md) |
0f113f3e MC |
16 | { |
17 | SHA_CTX c; | |
18 | static unsigned char m[SHA_DIGEST_LENGTH]; | |
d02b48c6 | 19 | |
0f113f3e MC |
20 | if (md == NULL) |
21 | md = m; | |
22 | if (!SHA1_Init(&c)) | |
23 | return NULL; | |
24 | SHA1_Update(&c, d, n); | |
25 | SHA1_Final(md, &c); | |
26 | OPENSSL_cleanse(&c, sizeof(c)); | |
27 | return (md); | |
28 | } |