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/* Sha3.h -- SHA-3 Hash
: Igor Pavlov : Public domain */
#ifndef ZIP7_INC_MD5_H
#define ZIP7_INC_MD5_H
#include "7zTypes.h"
EXTERN_C_BEGIN
#define SHA3_NUM_STATE_WORDS 25
#define SHA3_BLOCK_SIZE_FROM_DIGEST_SIZE(digestSize) \
(SHA3_NUM_STATE_WORDS * 8 - (digestSize) * 2)
typedef struct
{
UInt32 count; // < blockSize
UInt32 blockSize; // <= SHA3_NUM_STATE_WORDS * 8
UInt64 _pad1[3];
// we want 32-bytes alignment here
UInt64 state[SHA3_NUM_STATE_WORDS];
UInt64 _pad2[3];
// we want 64-bytes alignment here
Byte buffer[SHA3_NUM_STATE_WORDS * 8]; // last bytes will be unused with predefined blockSize values
} CSha3;
#define Sha3_SET_blockSize(p, blockSize) { (p)->blockSize = (blockSize); }
void Sha3_Init(CSha3 *p);
void Sha3_Update(CSha3 *p, const Byte *data, size_t size);
void Sha3_Final(CSha3 *p, Byte *digest, unsigned digestSize, unsigned shake);
EXTERN_C_END
#endif
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