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feat: whirlpool

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This commit is contained in:
lohhiiccc 2026-05-05 00:17:52 +02:00
parent f15a0a5cf2
commit 37f741cf06
10 changed files with 318 additions and 3 deletions
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1
include/digest_algos.h
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@ -1,2 +1,3 @@
DIGEST_ALGO(md5, 16, 64)
DIGEST_ALGO(sha256, 32, 64)
DIGEST_ALGO(whirlpool, 64, 64)

1
include/libft_ssl.h
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@ -6,6 +6,7 @@
#include "md5.h"
#include "sha256.h"
#include "whirlpool.h"
struct digest_algo
{

18
include/whirlpool.h Normal file
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@ -0,0 +1,18 @@
#ifndef WHIRLPOOL_H
#define WHIRLPOOL_H
#include <stddef.h>
#include <stdint.h>
struct whirlpool_ctx
{
uint64_t state[8];
uint64_t count;
uint8_t buf[64];
};
void whirlpool_init(void *ctx);
void whirlpool_update(void *ctx, const uint8_t *data, size_t len);
void whirlpool_final(void *ctx, uint8_t *out);
#endif

12
include/whirlpool_internal.h Normal file
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#ifndef WHIRLPOOL_INTERNAL_H
#define WHIRLPOOL_INTERNAL_H
#include "whirlpool.h"
extern const uint8_t g_whirlpool_S[256];
extern const uint8_t g_whirlpool_MDS_ROW[8];
extern const uint64_t g_whirlpool_RC[11][8];
void whirlpool_compress(struct whirlpool_ctx *ctx, const uint8_t block[64]);
#endif

7
src/Makefile.am
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@ -10,7 +10,12 @@ libft_ssl_la_SOURCES = libft_ssl.c \
sha256/sha256_init.c \
sha256/sha256_compress.c \
sha256/sha256_update.c \
sha256/sha256_final.c
sha256/sha256_final.c \
whirlpool/whirlpool.c \
whirlpool/whirlpool_init.c \
whirlpool/whirlpool_compress.c \
whirlpool/whirlpool_update.c \
whirlpool/whirlpool_final.c
AM_CFLAGS = -std=c99 $(STRICT_CFLAGS)
libft_ssl_la_CPPFLAGS = -I$(top_srcdir)/include

44
src/whirlpool/whirlpool.c Normal file
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#include "whirlpool_internal.h"
const uint8_t g_whirlpool_S[256] = {
0x18, 0x23, 0xC6, 0xE8, 0x87, 0xB8, 0x01, 0x4F, 0x36, 0xA6, 0xD2, 0xF5,
0x79, 0x6F, 0x91, 0x52, 0x60, 0xBC, 0x9B, 0x8E, 0xA3, 0x0C, 0x7B, 0x35,
0x1D, 0xE0, 0xD7, 0xC2, 0x2E, 0x4B, 0xFE, 0x57, 0x15, 0x77, 0x37, 0xE5,
0x9F, 0xF0, 0x4A, 0xDA, 0x58, 0xC9, 0x29, 0x0A, 0xB1, 0xA0, 0x6B, 0x85,
0xBD, 0x5D, 0x10, 0xF4, 0xCB, 0x3E, 0x05, 0x67, 0xE4, 0x27, 0x41, 0x8B,
0xA7, 0x7D, 0x95, 0xD8, 0xFB, 0xEE, 0x7C, 0x66, 0xDD, 0x17, 0x47, 0x9E,
0xCA, 0x2D, 0xBF, 0x07, 0xAD, 0x5A, 0x83, 0x33, 0x63, 0x02, 0xAA, 0x71,
0xC8, 0x19, 0x49, 0xD9, 0xF2, 0xE3, 0x5B, 0x88, 0x9A, 0x26, 0x32, 0xB0,
0xE9, 0x0F, 0xD5, 0x80, 0xBE, 0xCD, 0x34, 0x48, 0xFF, 0x7A, 0x90, 0x5F,
0x20, 0x68, 0x1A, 0xAE, 0xB4, 0x54, 0x93, 0x22, 0x64, 0xF1, 0x73, 0x12,
0x40, 0x08, 0xC3, 0xEC, 0xDB, 0xA1, 0x8D, 0x3D, 0x97, 0x00, 0xCF, 0x2B,
0x76, 0x82, 0xD6, 0x1B, 0xB5, 0xAF, 0x6A, 0x50, 0x45, 0xF3, 0x30, 0xEF,
0x3F, 0x55, 0xA2, 0xEA, 0x65, 0xBA, 0x2F, 0xC0, 0xDE, 0x1C, 0xFD, 0x4D,
0x92, 0x75, 0x06, 0x8A, 0xB2, 0xE6, 0x0E, 0x1F, 0x62, 0xD4, 0xA8, 0x96,
0xF9, 0xC5, 0x25, 0x59, 0x84, 0x72, 0x39, 0x4C, 0x5E, 0x78, 0x38, 0x8C,
0xD1, 0xA5, 0xE2, 0x61, 0xB3, 0x21, 0x9C, 0x1E, 0x43, 0xC7, 0xFC, 0x04,
0x51, 0x99, 0x6D, 0x0D, 0xFA, 0xDF, 0x7E, 0x24, 0x3B, 0xAB, 0xCE, 0x11,
0x8F, 0x4E, 0xB7, 0xEB, 0x3C, 0x81, 0x94, 0xF7, 0xB9, 0x13, 0x2C, 0xD3,
0xE7, 0x6E, 0xC4, 0x03, 0x56, 0x44, 0x7F, 0xA9, 0x2A, 0xBB, 0xC1, 0x53,
0xDC, 0x0B, 0x9D, 0x6C, 0x31, 0x74, 0xF6, 0x46, 0xAC, 0x89, 0x14, 0xE1,
0x16, 0x3A, 0x69, 0x09, 0x70, 0xB6, 0xD0, 0xED, 0xCC, 0x42, 0x98, 0xA4,
0x28, 0x5C, 0xF8, 0x86,
};
const uint8_t g_whirlpool_MDS_ROW[8] = {
0x01, 0x01, 0x04, 0x01, 0x08, 0x05, 0x02, 0x09
};
const uint64_t g_whirlpool_RC[11][8] = {
{ 0x0000000000000000ULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0x1823C6E887B8014FULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0x36A6D2F5796F9152ULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0x60BC9B8EA30C7B35ULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0x1DE0D7C22E4BFE57ULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0x157737E59FF04ADAULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0x58C9290AB1A06B85ULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0xBD5D10F4CB3E0567ULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0xE427418BA77D95D8ULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0xFBEE7C66DD17479EULL, 0, 0, 0, 0, 0, 0, 0 },
{ 0xCA2DBF07AD5A8333ULL, 0, 0, 0, 0, 0, 0, 0 },
};

157
src/whirlpool/whirlpool_compress.c Normal file
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@ -0,0 +1,157 @@
#include "whirlpool_internal.h"
#include <stddef.h>
#include <stdint.h>
#include <string.h>
/* Forward declarations */
static inline uint8_t gf_mul2(uint8_t a);
static uint8_t gf_mul(uint8_t a, uint8_t b);
static void sub_bytes(uint64_t state[8]);
static void shift_columns(uint64_t state[8]);
static void mix_rows(uint64_t state[8]);
static inline void add_round_key(uint64_t state[8], const uint64_t key[8]);
static void decode_block(const uint8_t block[64], uint64_t W[8]);
static void round_function(uint64_t state[8], const uint64_t
key[8]);
/* ---------------- */
void whirlpool_compress(struct whirlpool_ctx *ctx, const uint8_t block[64])
{
uint64_t W[8];
uint64_t L[8];
uint64_t K[11][8];
decode_block(block, W);
memcpy(K[0], ctx->state, sizeof(ctx->state));
for (uint8_t r = 1; r <= 10; ++r)
{
memcpy(K[r], K[r - 1], sizeof(uint64_t) * 8);
round_function(K[r], g_whirlpool_RC[r]);
}
memcpy(L, W, sizeof(W));
add_round_key(L, K[0]);
for (uint8_t r = 1; r <= 10; ++r)
round_function(L, K[r]);
for (uint8_t i = 0; i <= 7; ++i)
ctx->state[i] ^= L[i] ^ W[i];
}
static void
round_function(uint64_t state[8], const uint64_t key[8])
{
sub_bytes(state);
shift_columns(state);
mix_rows(state);
add_round_key(state, key);
}
static void
decode_block(const uint8_t block[64], uint64_t W[8])
{
for (uint8_t i = 0; i < 8; ++i)
{
const uint8_t i8 = i * 8;
W[i] = ((uint64_t)block[i8 + 0] << 56)
| ((uint64_t)block[i8 + 1] << 48)
| ((uint64_t)block[i8 + 2] << 40)
| ((uint64_t)block[i8 + 3] << 32)
| ((uint64_t)block[i8 + 4] << 24)
| ((uint64_t)block[i8 + 5] << 16)
| ((uint64_t)block[i8 + 6] << 8)
| ((uint64_t)block[i8 + 7] << 0);
}
}
static inline uint8_t
gf_mul2(uint8_t a)
{
return (uint8_t)((a << 1) ^ (a & 0x80 ? 0x1D : 0x00));
}
static uint8_t
gf_mul(uint8_t a, uint8_t b)
{
uint8_t result = 0;
while (0 != b)
{
if (b & 1)
result ^= a;
a = gf_mul2(a);
b >>= 1;
}
return result;
}
static void
sub_bytes(uint64_t state[8])
{
for (uint8_t i = 0; i < 8; ++i)
{
uint64_t w = 0;
for (uint8_t j = 0; j < 8; ++j)
{
uint8_t byte = (state[i] >> (56 - 8 * j)) & 0xFF;
w |= (uint64_t)g_whirlpool_S[byte] << (56 - 8 * j);
}
state[i] = w;
}
}
static void
shift_columns(uint64_t state[8])
{
uint64_t tmp[8];
for (uint8_t i = 0; i < 8; ++i)
{
tmp[i] = (state[(i - 0 + 8) & 7] & 0xFF00000000000000ULL)
| (state[(i - 1 + 8) & 7] & 0x00FF000000000000ULL)
| (state[(i - 2 + 8) & 7] & 0x0000FF0000000000ULL)
| (state[(i - 3 + 8) & 7] & 0x000000FF00000000ULL)
| (state[(i - 4 + 8) & 7] & 0x00000000FF000000ULL)
| (state[(i - 5 + 8) & 7] & 0x0000000000FF0000ULL)
| (state[(i - 6 + 8) & 7] & 0x000000000000FF00ULL)
| (state[(i - 7 + 8) & 7] & 0x00000000000000FFULL);
}
for(uint8_t i = 0; i < 8; ++i)
state[i] = tmp[i];
}
static inline void
add_round_key(uint64_t state[8], const uint64_t key[8])
{
for (uint8_t i = 0; i < 8; ++i)
state[i] ^= key[i];
}
static void
mix_rows(uint64_t state[8])
{
uint8_t line[8];
uint8_t out[8];
for (uint8_t i = 0; i < 8; ++i)
{
for (uint8_t j = 0; j < 8; ++j)
line[j] = (state[i] >> (56 - 8 * j)) & 0xFF;
for (uint8_t j = 0; j < 8; ++j)
{
out[j] = 0;
for (uint8_t k = 0; k < 8; ++k)
out[j] ^= gf_mul(g_whirlpool_MDS_ROW[(j - k + 8) & 7], line[k]);
}
state[i] = 0;
for (uint8_t j = 0; j < 8; ++j)
state[i] |= (uint64_t)out[j] << (56 - 8 * j);
}
}

63
src/whirlpool/whirlpool_final.c Normal file
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@ -0,0 +1,63 @@
#include "whirlpool_internal.h"
#include <stdint.h>
/* Forward declarations */
static void whirlpool_pad(struct whirlpool_ctx *ctx);
static void whirlpool_encode(const struct whirlpool_ctx *ctx, uint8_t out[64]);
static inline void whirlpool_write_len(struct whirlpool_ctx *ctx, uint64_t bitlen);
/* ---------------- */
void whirlpool_final(void *ctx, uint8_t *out)
{
struct whirlpool_ctx *local_ctx = ctx;
whirlpool_pad(local_ctx);
whirlpool_encode(local_ctx, out);
}
static void
whirlpool_pad(struct whirlpool_ctx *ctx)
{
uint64_t bitlen = ctx->count * 8;
ctx->buf[ctx->count++ & 63] = 0x80;
if ((ctx->count & 63) > 32)
{
while ((ctx->count & 63) != 0)
ctx->buf[ctx->count++ & 63] = 0x00;
whirlpool_compress(ctx, ctx->buf);
}
while ((ctx->count & 63) < 32)
ctx->buf[ctx->count++ & 63] = 0x00;
whirlpool_write_len(ctx, bitlen);
whirlpool_compress(ctx, ctx->buf);
}
static inline void
whirlpool_write_len(struct whirlpool_ctx *ctx, uint64_t bitlen)
{
for (uint8_t i = 32; i < 56; ++i)
ctx->buf[i] = 0x00;
for (uint8_t i = 0; i < 8; ++i)
ctx->buf[56 + i] = (uint8_t)(bitlen >> (56 - 8 * i));
}
static void
whirlpool_encode(const struct whirlpool_ctx *ctx, uint8_t out[64])
{
for (uint8_t i = 0; i < 8; ++i)
{
const uint8_t i8 = i * 8;
uint64_t v = ctx->state[i];
out[i8 + 0] = (uint8_t)(v >> 56);
out[i8 + 1] = (uint8_t)(v >> 48);
out[i8 + 2] = (uint8_t)(v >> 40);
out[i8 + 3] = (uint8_t)(v >> 32);
out[i8 + 4] = (uint8_t)(v >> 24);
out[i8 + 5] = (uint8_t)(v >> 16);
out[i8 + 6] = (uint8_t)(v >> 8);
out[i8 + 7] = (uint8_t)(v >> 0);
}
}

10
src/whirlpool/whirlpool_init.c Normal file
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#include "whirlpool.h"
void whirlpool_init(void *ctx)
{
struct whirlpool_ctx *local_ctx = ctx;
for (uint8_t i = 0; i < 8; ++i)
local_ctx->state[i] = 0;
local_ctx->count = 0;
}

4
src/whirlpool/whirlpool_update.c Normal file
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#include "whirlpool_internal.h"
#include "digest_update.h"
IMPL_DIGEST_UPDATE(whirlpool, 63, whirlpool_compress)