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32 lines
691 B
C
32 lines
691 B
C
#ifndef HEADER_Crypto_ChaCha256
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#define HEADER_Crypto_ChaCha256
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#include "Common/Tcdefs.h"
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#include "config.h"
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typedef struct
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{
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CRYPTOPP_ALIGN_DATA(16) uint32 block_[16];
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CRYPTOPP_ALIGN_DATA(16) uint32 input_[16];
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size_t pos;
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int internalRounds;
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} ChaCha256Ctx;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* key must be 32 bytes long and iv must be 8 bytes long
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*/
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void ChaCha256Init(ChaCha256Ctx* ctx, const unsigned char* key, const unsigned char* iv, int rounds);
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void ChaCha256Encrypt(ChaCha256Ctx* ctx, const unsigned char* in, size_t len, unsigned char* out);
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#define ChaCha256Decrypt ChaCha256Encrypt
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#ifdef __cplusplus
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}
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#endif
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#endif // HEADER_Crypto_ChaCha
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