hash.c

#include"auxFormat.h"

#define PRH_ROUNDS 140

#define hash_RATE (64 / 8)

unsigned char constant8Format_hash[140] = {
/*constant8_hash_512*/
0x01, 0x04, 0x10, 0x40, 0x03, 0x0d, 0x35, 0xd4, 0x52, 0x4a, 0x2b, 0xac, 0xb0,
		0xc1, 0x06, 0x19, 0x65, 0x97, 0x5c, 0x72, 0xca, 0x2a, 0xa8, 0xa0, 0x81,
		0x05, 0x14, 0x50, 0x43, 0x0e, 0x38, 0xe1, 0x86, 0x18, 0x61, 0x87, 0x1c,
		0x71, 0xc7, 0x1f, 0x7c, 0xf2, 0xcb, 0x2e, 0xb8, 0xe0, 0x82, 0x08, 0x21,
		0x84, 0x11, 0x44, 0x13, 0x4d, 0x36, 0xd9, 0x67, 0x9e, 0x79, 0xe6, 0x9b,
		0x6d, 0xb6, 0xd8, 0x63, 0x8e, 0x39, 0xe5, 0x96, 0x58, 0x62, 0x8a, 0x29,
		0xa5, 0x95, 0x55, 0x57, 0x5e, 0x7b, 0xef, 0xbe, 0xf9, 0xe7, 0x9f, 0x7d,
		0xf6, 0xdb, 0x6e, 0xbb, 0xed, 0xb7, 0xdc, 0x73, 0xce, 0x3a, 0xe8, 0xa3,
		0x8c, 0x30, 0xc0, 0x02, 0x09, 0x25, 0x94, 0x51, 0x47, 0x1e, 0x78, 0xe2,
		0x8b, 0x2d, 0xb5, 0xd5, 0x56, 0x5a, 0x6b, 0xaf, 0xbd, 0xf4, 0xd2, 0x4b,
		0x2f, 0xbc, 0xf0, 0xc2, 0x0b, 0x2c, 0xb1, 0xc5, 0x16, 0x59, 0x66, 0x9a,
		0x69, 0xa6, 0x98, 0x60, 0x83, 0x0c, 0x31, };
#define Processing_Data(data) \
do { \
packU64FormatToFourPacket(dataFormat, data);\
s[0] ^= dataFormat[0];\
s[1] ^= dataFormat[1];\
s[2] ^= dataFormat[2];\
s[3] ^= dataFormat[3];\
} while (0)
#define ABSORB(inlen,in) \
do { \
} while (0)
//sequeez
#define SEQUEEZ() \
{\
	unpackU128FormatToFourPacket(out, s); \
	unpackU128FormatToFourPacket((out + 16), (s + 4)); \
	for (i = 0; i < PRH_ROUNDS; i++) { \
		ROUND512(i); \
	} \
	out += CRYPTO_BYTES / 2; \
	unpackU128FormatToFourPacket(out, s); \
	unpackU128FormatToFourPacket((out + 16),( s + 4)); \
} while (0)
int crypto_hash(unsigned char *out, const unsigned char *in,
		unsigned long long inlen) {
	//r=64 
	u8 i;
	u32 dataFormat[4] = { 0 };
	u32 t1, t2, t3, t8, t9, t5, t6, t11;
	// initialization
	u32 s[16] = { 0 };
	u8 tempData[32];
	u32 s_temp[16] = { 0 };
	//absorb
	while (inlen >= hash_RATE) {
		Processing_Data(in);
		for (i = 0; i < PRH_ROUNDS; i++) {
			ROUND512(i);
		}
		inlen -= hash_RATE;
		in += hash_RATE;
	}
	memset(tempData, 0, sizeof(tempData));
	memcpy(tempData, in, inlen * sizeof(unsigned char));
	tempData[inlen] = 0x01;
	Processing_Data(tempData);
	for (i = 0; i < PRH_ROUNDS; i++) {
		ROUND512(i);
	}
	//sequeez
	unpackU128FormatToFourPacket(out, s);
	unpackU128FormatToFourPacket((out + 16), (s + 4));
	for (i = 0; i < PRH_ROUNDS; i++) {
		ROUND512(i);
	}
	out += CRYPTO_BYTES / 2;
	unpackU128FormatToFourPacket(out, s);
	unpackU128FormatToFourPacket((out + 16), (s + 4));
	return 0;
}