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