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hefty1.c
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hefty1.c
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#include "hefty1.h"
#include "sha3/sph_hefty1.h"
#include "sha3/sph_keccak.h"
#include "sha3/sph_groestl.h"
#include "sha3/sph_blake.h"
#include "sha256.h"
void hefty1_hash(const char* input, char* output, uint32_t len)
{
HEFTY1_CTX ctx_hefty1;
SHA256_CTX ctx_sha256;
sph_keccak512_context ctx_keccak;
sph_groestl512_context ctx_groestl;
sph_blake512_context ctx_blake;
char hash32_1[32];
char hash32_2[32];
char hash64_3[64];
char hash64_4[64];
char hash64_5[64];
HEFTY1_Init(&ctx_hefty1);
HEFTY1_Update(&ctx_hefty1, (const void*) input, len);
HEFTY1_Final((unsigned char*) &hash32_1, &ctx_hefty1); // 1
SHA256_Init(&ctx_sha256);
SHA256_Update(&ctx_sha256, (const void*) input, len);
SHA256_Update(&ctx_sha256, (unsigned char*) &hash32_1, 32); // 1
SHA256_Final((unsigned char*) &hash32_2, &ctx_sha256); // 2
sph_keccak512_init(&ctx_keccak);
sph_keccak512(&ctx_keccak, (const void*) input, len);
sph_keccak512(&ctx_keccak, (unsigned char*) &hash32_1, 32); //1
sph_keccak512_close(&ctx_keccak, (void*) &hash64_3); // 3
sph_groestl512_init(&ctx_groestl);
sph_groestl512(&ctx_groestl, (const void*) input, len);
sph_groestl512(&ctx_groestl, (unsigned char*) &hash32_1, 32); // 1
sph_groestl512_close(&ctx_groestl, (void*) &hash64_4); // 4
sph_blake512_init(&ctx_blake);
sph_blake512(&ctx_blake, (const void*) input, len);
sph_blake512(&ctx_blake, (unsigned char*) &hash32_1, 32); // 1
sph_blake512_close(&ctx_blake, (void*) &hash64_5); // 5
memset(output, 0, 32);
char* hash[4] = { hash32_2, hash64_3, hash64_4, hash64_5 };
uint32_t i;
uint32_t j;
#define OUTPUT_BIT (i * 4 + j)
for(i = 0; i < 64; i++) {
for(j = 0; j < 4; j++) {
if((*(hash[j] + (i / 8)) & (0x80 >> (i % 8))) != 0)
*(output + (OUTPUT_BIT / 8)) |= 0x80 >> (OUTPUT_BIT % 8);
}
}
}