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