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Commit | Line | Data |
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b1322259 | 1 | /* |
33388b44 | 2 | * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
a598ed0d | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
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 | ||
85d843c8 P |
10 | /* |
11 | * SHA-1 low level APIs are deprecated for public use, but still ok for | |
12 | * internal use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
d02b48c6 | 16 | #include <stdio.h> |
58964a49 | 17 | #include <string.h> |
7a1f92fd | 18 | #include <openssl/crypto.h> |
d749e108 | 19 | #include <openssl/sha.h> |
d02b48c6 | 20 | |
9e0aad9f | 21 | unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md) |
0f113f3e MC |
22 | { |
23 | SHA_CTX c; | |
24 | static unsigned char m[SHA_DIGEST_LENGTH]; | |
d02b48c6 | 25 | |
0f113f3e MC |
26 | if (md == NULL) |
27 | md = m; | |
28 | if (!SHA1_Init(&c)) | |
29 | return NULL; | |
30 | SHA1_Update(&c, d, n); | |
31 | SHA1_Final(md, &c); | |
32 | OPENSSL_cleanse(&c, sizeof(c)); | |
26a7d938 | 33 | return md; |
0f113f3e | 34 | } |