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1 /* | |
2 * chacha20.h - header file for ChaCha20 implementation. | |
3 * | |
4 * This Source Code Form is subject to the terms of the Mozilla Public | |
5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
7 | |
8 #ifndef FREEBL_CHACHA20_H_ | |
9 #define FREEBL_CHACHA20_H_ | |
10 | |
11 #if defined(_MSC_VER) && _MSC_VER < 1600 | |
12 #include "prtypes.h" | |
13 typedef PRUint32 uint32_t; | |
14 typedef PRUint64 uint64_t; | |
15 #else | |
16 #include <stdint.h> | |
17 #endif | |
18 | |
19 /* ChaCha20XOR encrypts |inLen| bytes from |in| with the given key and | |
20 * nonce and writes the result to |out|, which may be equal to |in|. The | |
21 * initial block counter is specified by |counter|. */ | |
22 extern void ChaCha20XOR(unsigned char *out, const unsigned char *in, | |
23 unsigned int inLen, const unsigned char key[32], | |
24 const unsigned char nonce[12], uint32_t counter); | |
25 | |
26 #endif /* FREEBL_CHACHA20_H_ */ | |
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