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