/*
* RIPE MD-160 implementation
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* The RIPEMD-160 algorithm was designed by RIPE in 1996
* http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html
* http://ehash.iaik.tugraz.at/wiki/RIPEMD-160
*/
#include "common.h"
#if defined(MBEDTLS_RIPEMD160_C)
#include "mbedtls/ripemd160.h"
#include "mbedtls/platform_util.h"
#include "mbedtls/error.h"
#include <string.h>
#if defined(MBEDTLS_SELF_TEST)
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#define mbedtls_printf printf
#endif /* MBEDTLS_PLATFORM_C */
#endif /* MBEDTLS_SELF_TEST */
#if !defined(MBEDTLS_RIPEMD160_ALT)
/*
* 32-bit integer manipulation macros (little endian)
*/
#ifndef GET_UINT32_LE
#define GET_UINT32_LE(n,b,i) \
{ \
(n) = ( (uint32_t) (b)[(i) ] ) \
| ( (uint32_t) (b)[(i) + 1] << 8 ) \
| ( (uint32_t) (b)[(i) + 2] << 16 ) \
| ( (uint32_t) (b)[(i) + 3] << 24 ); \
}
#endif
#ifndef PUT_UINT32_LE
#define PUT_UINT32_LE(n,b,i) \
{ \
(b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
(b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
(b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
(b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
}
#endif
void mbedtls_ripemd160_init(mbedtls_ripemd160_context *ctx) {
memset(ctx, 0, sizeof(mbedtls_ripemd160_context));
}
void mbedtls_ripemd160_free(mbedtls_ripemd160_context *ctx) {
if (ctx == NULL)
return;
mbedtls_platform_zeroize(ctx, sizeof(mbedtls_ripemd160_context));
}
void mbedtls_ripemd160_clone(mbedtls_ripemd160_context *dst,
const mbedtls_ripemd160_context *src) {
*dst = *src;
}
/*
* RIPEMD-160 context setup
*/
int mbedtls_ripemd160_starts_ret(mbedtls_ripemd160_context *ctx) {
ctx->total[0] = 0;
ctx->total[1] = 0;
ctx->state[0] = 0x67452301;
ctx->state[1] = 0xEFCDAB89;
ctx->state[2] = 0x98BADCFE;
ctx->state[3] = 0x10325476;
ctx->state[4] = 0xC3D2E1F0;
return (0);
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_ripemd160_starts(mbedtls_ripemd160_context *ctx) {
mbedtls_ripemd160_starts_ret(ctx);
}
#endif
#if !defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
/*
* Process one block
*/
int mbedtls_internal_ripemd160_process(mbedtls_ripemd160_context *ctx,
const unsigned char data[64]) {
struct {
uint32_t A, B, C, D, E, Ap, Bp, Cp, Dp, Ep, X[16];
} local;
GET_UINT32_LE(local.X[ 0], data, 0);
GET_UINT32_LE(local.X[ 1], data, 4);
GET_UINT32_LE(local.X[ 2], data, 8);
GET_UINT32_LE(local.X[ 3], data, 12);
GET_UINT32_LE(local.X[ 4], data, 16);
GET_UINT32_LE(local.X[ 5], data, 20);
GET_UINT32_LE(local.X[ 6], data, 24);
GET_UINT32_LE(local.X[ 7], data, 28);
GET_UINT32_LE(local.X[ 8], data, 32);
GET_UINT32_LE(local.X[ 9], data, 36);
GET_UINT32_LE(local.X[10], data, 40);
GET_UINT32_LE(local.X[11], data, 44);
GET_UINT32_LE(local.X[12], data, 48);
GET_UINT32_LE(local.X[13], data, 52);
GET_UINT32_LE(local.X[14], data, 56);
GET_UINT32_LE(local.X[15], data, 60);
local.A = local.Ap = ctx->state[0];
local.B = local.Bp = ctx->state[1];
local.C = local.Cp = ctx->state[2];
local.D = local.Dp = ctx->state[3];
local.E = local.Ep = ctx->state[4];
#define F1( x, y, z ) ( (x) ^ (y) ^ (z) )
#define F2( x, y, z ) ( ( (x) & (y) ) | ( ~(x) & (z) ) )
#define F3( x, y, z ) ( ( (x) | ~(y) ) ^ (z) )
#define F4( x, y, z ) ( ( (x) & (z) ) | ( (y) & ~(z) ) )
#define F5( x, y, z ) ( (x) ^ ( (y) | ~(z) ) )
#define S( x, n ) ( ( (x) << (n) ) | ( (x) >> (32 - (n)) ) )
#define P( a, b, c, d, e, r, s, f, k ) \
do \
{ \
(a) += f( (b), (c), (d) ) + local.X[r] + (k); \
(a) = S( (a), (s) ) + (e); \
(c) = S( (c), 10 ); \
} while( 0 )
#define P2( a, b, c, d, e, r, s, rp, sp ) \
do \
{ \
P( (a), (b), (c), (d), (e), (r), (s), F, K ); \
P( a ## p, b ## p, c ## p, d ## p, e ## p, \
(rp), (sp), Fp, Kp ); \
} while( 0 )
#define F F1
#define K 0x00000000
#define Fp F5
#define Kp 0x50A28BE6
P2(local.A, local.B, local.C, local.D, local.E, 0, 11, 5, 8);
P2(local.E, local.A, local.B, local.C, local.D, 1, 14, 14, 9);
P2(local.D, local.E, local.A, local.B, local.C, 2, 15, 7, 9);
P2(local.C, local.D, local.E, local.A, local.B, 3, 12, 0, 11);
P2(local.B, local.C, local.D, local.E, local.A, 4, 5, 9, 13);
P2(local.A, local.B, local.C, local.D, local.E, 5, 8, 2, 15);
P2(local.E, local.A, local.B, local.C, local.D, 6, 7, 11, 15);
P2(local.D, local.E, local.A, local.B, local.C, 7, 9, 4, 5);
P2(local.C, local.D, local.E, local.A, local.B, 8, 11, 13, 7);
P2(local.B, local.C, local.D, local.E, local.A, 9, 13, 6, 7);
P2(local.A, local.B, local.C, local.D, local.E, 10, 14, 15, 8);
P2(local.E, local.A, local.B, local.C, local.D, 11, 15, 8, 11);
P2(local.D, local.E, local.A, local.B, local.C, 12, 6, 1, 14);
P2(local.C, local.D, local.E, local.A, local.B, 13, 7, 10, 14);
P2(local.B, local.C, local.D, local.E, local.A, 14, 9, 3, 12);
P2(local.A, local.B, local.C, local.D, local.E, 15, 8, 12, 6);
#undef F
#undef K
#undef Fp
#undef Kp
#define F F2
#define K 0x5A827999
#define Fp F4
#define Kp 0x5C4DD124
P2(local.E, local.A, local.B, local.C, local.D, 7, 7, 6, 9);
P2(local.D, local.E, local.A, local.B, local.C, 4, 6, 11, 13);
P2(local.C, local.D, local.E, local.A, local.B, 13, 8, 3, 15);
P2(local.B, local.C, local.D, local.E, local.A, 1, 13, 7, 7);
P2(local.A, local.B, local.C, local.D, local.E, 10, 11, 0, 12);
P2(local.E, local.A, local.B, local.C, local.D, 6, 9, 13, 8);
P2(local.D, local.E, local.A, local.B, local.C, 15, 7, 5, 9);
P2(local.C, local.D, local.E, local.A, local.B, 3, 15, 10, 11);
P2(local.B, local.C, local.D, local.E, local.A, 12, 7, 14, 7);
P2(local.A, local.B, local.C, local.D, local.E, 0, 12, 15, 7);
P2(local.E, local.A, local.B, local.C, local.D, 9, 15, 8, 12);
P2(local.D, local.E, local.A, local.B, local.C, 5, 9, 12, 7);
P2(local.C, local.D, local.E, local.A, local.B, 2, 11, 4, 6);
P2(local.B, local.C, local.D, local.E, local.A, 14, 7, 9, 15);
P2(local.A, local.B, local.C, local.D, local.E, 11, 13, 1, 13);
P2(local.E, local.A, local.B, local.C, local.D, 8, 12, 2, 11);
#undef F
#undef K
#undef Fp
#undef Kp
#define F F3
#define K 0x6ED9EBA1
#define Fp F3
#define Kp 0x6D703EF3
P2(local.D, local.E, local.A, local.B, local.C, 3, 11, 15, 9);
P2(local.C, local.D, local.E, local.A, local.B, 10, 13, 5, 7);
P2(local.B, local.C, local.D, local.E, local.A, 14, 6, 1, 15);
P2(local.A, local.B, local.C, local.D, local.E, 4, 7, 3, 11);
P2(local.E, local.A, local.B, local.C, local.D, 9, 14, 7, 8);
P2(local.D, local.E, local.A, local.B, local.C, 15, 9, 14, 6);
P2(local.C, local.D, local.E, local.A, local.B, 8, 13, 6, 6);
P2(local.B, local.C, local.D, local.E, local.A, 1, 15, 9, 14);
P2(local.A, local.B, local.C, local.D, local.E, 2, 14, 11, 12);
P2(local.E, local.A, local.B, local.C, local.D, 7, 8, 8, 13);
P2(local.D, local.E, local.A, local.B, local.C, 0, 13, 12, 5);
P2(local.C, local.D, local.E, local.A, local.B, 6, 6, 2, 14);
P2(local.B, local.C, local.D, local.E, local.A, 13, 5, 10, 13);
P2(local.A, local.B, local.C, local.D, local.E, 11, 12, 0, 13);
P2(local.E, local.A, local.B, local.C, local.D, 5, 7, 4, 7);
P2(local.D, local.E, local.A, local.B, local.C, 12, 5, 13, 5);
#undef F
#undef K
#undef Fp
#undef Kp
#define F F4
#define K 0x8F1BBCDC
#define Fp F2
#define Kp 0x7A6D76E9
P2(local.C, local.D, local.E, local.A, local.B, 1, 11, 8, 15);
P2(local.B, local.C, local.D, local.E, local.A, 9, 12, 6, 5);
P2(local.A, local.B, local.C, local.D, local.E, 11, 14, 4, 8);
P2(local.E, local.A, local.B, local.C, local.D, 10, 15, 1, 11);
P2(local.D, local.E, local.A, local.B, local.C, 0, 14, 3, 14);
P2(local.C, local.D, local.E, local.A, local.B, 8, 15, 11, 14);
P2(local.B, local.C, local.D, local.E, local.A, 12, 9, 15, 6);
P2(local.A, local.B, local.C, local.D, local.E, 4, 8, 0, 14);
P2(local.E, local.A, local.B, local.C, local.D, 13, 9, 5, 6);
P2(local.D, local.E, local.A, local.B, local.C, 3, 14, 12, 9);
P2(local.C, local.D, local.E, local.A, local.B, 7, 5, 2, 12);
P2(local.B, local.C, local.D, local.E, local.A, 15, 6, 13, 9);
P2(local.A, local.B, local.C, local.D, local.E, 14, 8, 9, 12);
P2(local.E, local.A, local.B, local.C, local.D, 5, 6, 7, 5);
P2(local.D, local.E, local.A, local.B, local.C, 6, 5, 10, 15);
P2(local.C, local.D, local.E, local.A, local.B, 2, 12, 14, 8);
#undef F
#undef K
#undef Fp
#undef Kp
#define F F5
#define K 0xA953FD4E
#define Fp F1
#define Kp 0x00000000
P2(local.B, local.C, local.D, local.E, local.A, 4, 9, 12, 8);
P2(local.A, local.B, local.C, local.D, local.E, 0, 15, 15, 5);
P2(local.E, local.A, local.B, local.C, local.D, 5, 5, 10, 12);
P2(local.D, local.E, local.A, local.B, local.C, 9, 11, 4, 9);
P2(local.C, local.D, local.E, local.A, local.B, 7, 6, 1, 12);
P2(local.B, local.C, local.D, local.E, local.A, 12, 8, 5, 5);
P2(local.A, local.B, local.C, local.D, local.E, 2, 13, 8, 14);
P2(local.E, local.A, local.B, local.C, local.D, 10, 12, 7, 6);
P2(local.D, local.E, local.A, local.B, local.C, 14, 5, 6, 8);
P2(local.C, local.D, local.E, local.A, local.B, 1, 12, 2, 13);
P2(local.B, local.C, local.D, local.E, local.A, 3, 13, 13, 6);
P2(local.A, local.B, local.C, local.D, local.E, 8, 14, 14, 5);
P2(local.E, local.A, local.B, local.C, local.D, 11, 11, 0, 15);
P2(local.D, local.E, local.A, local.B, local.C, 6, 8, 3, 13);
P2(local.C, local.D, local.E, local.A, local.B, 15, 5, 9, 11);
P2(local.B, local.C, local.D, local.E, local.A, 13, 6, 11, 11);
#undef F
#undef K
#undef Fp
#undef Kp
local.C = ctx->state[1] + local.C + local.Dp;
ctx->state[1] = ctx->state[2] + local.D + local.Ep;
ctx->state[2] = ctx->state[3] + local.E + local.Ap;
ctx->state[3] = ctx->state[4] + local.A + local.Bp;
ctx->state[4] = ctx->state[0] + local.B + local.Cp;
ctx->state[0] = local.C;
/* Zeroise variables to clear sensitive data from memory. */
mbedtls_platform_zeroize(&local, sizeof(local));
return (0);
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_ripemd160_process(mbedtls_ripemd160_context *ctx,
const unsigned char data[64]) {
mbedtls_internal_ripemd160_process(ctx, data);
}
#endif
#endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */
/*
* RIPEMD-160 process buffer
*/
int mbedtls_ripemd160_update_ret(mbedtls_ripemd160_context *ctx,
const unsigned char *input,
size_t ilen) {
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t fill;
uint32_t left;
if (ilen == 0)
return (0);
left = ctx->total[0] & 0x3F;
fill = 64 - left;
ctx->total[0] += (uint32_t) ilen;
ctx->total[0] &= 0xFFFFFFFF;
if (ctx->total[0] < (uint32_t) ilen)
ctx->total[1]++;
if (left && ilen >= fill) {
memcpy((void *)(ctx->buffer + left), input, fill);
if ((ret = mbedtls_internal_ripemd160_process(ctx, ctx->buffer)) != 0)
return (ret);
input += fill;
ilen -= fill;
left = 0;
}
while (ilen >= 64) {
if ((ret = mbedtls_internal_ripemd160_process(ctx, input)) != 0)
return (ret);
input += 64;
ilen -= 64;
}
if (ilen > 0) {
memcpy((void *)(ctx->buffer + left), input, ilen);
}
return (0);
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_ripemd160_update(mbedtls_ripemd160_context *ctx,
const unsigned char *input,
size_t ilen) {
mbedtls_ripemd160_update_ret(ctx, input, ilen);
}
#endif
static const unsigned char ripemd160_padding[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/*
* RIPEMD-160 final digest
*/
int mbedtls_ripemd160_finish_ret(mbedtls_ripemd160_context *ctx,
unsigned char output[20]) {
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
uint32_t last, padn;
uint32_t high, low;
unsigned char msglen[8];
high = (ctx->total[0] >> 29)
| (ctx->total[1] << 3);
low = (ctx->total[0] << 3);
PUT_UINT32_LE(low, msglen, 0);
PUT_UINT32_LE(high, msglen, 4);
last = ctx->total[0] & 0x3F;
padn = (last < 56) ? (56 - last) : (120 - last);
ret = mbedtls_ripemd160_update_ret(ctx, ripemd160_padding, padn);
if (ret != 0)
return (ret);
ret = mbedtls_ripemd160_update_ret(ctx, msglen, 8);
if (ret != 0)
return (ret);
PUT_UINT32_LE(ctx->state[0], output, 0);
PUT_UINT32_LE(ctx->state[1], output, 4);
PUT_UINT32_LE(ctx->state[2], output, 8);
PUT_UINT32_LE(ctx->state[3], output, 12);
PUT_UINT32_LE(ctx->state[4], output, 16);
return (0);
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_ripemd160_finish(mbedtls_ripemd160_context *ctx,
unsigned char output[20]) {
mbedtls_ripemd160_finish_ret(ctx, output);
}
#endif
#endif /* ! MBEDTLS_RIPEMD160_ALT */
/*
* output = RIPEMD-160( input buffer )
*/
int mbedtls_ripemd160_ret(const unsigned char *input,
size_t ilen,
unsigned char output[20]) {
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
mbedtls_ripemd160_context ctx;
mbedtls_ripemd160_init(&ctx);
if ((ret = mbedtls_ripemd160_starts_ret(&ctx)) != 0)
goto exit;
if ((ret = mbedtls_ripemd160_update_ret(&ctx, input, ilen)) != 0)
goto exit;
if ((ret = mbedtls_ripemd160_finish_ret(&ctx, output)) != 0)
goto exit;
exit:
mbedtls_ripemd160_free(&ctx);
return (ret);
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_ripemd160(const unsigned char *input,
size_t ilen,
unsigned char output[20]) {
mbedtls_ripemd160_ret(input, ilen, output);
}
#endif
#if defined(MBEDTLS_SELF_TEST)
/*
* Test vectors from the RIPEMD-160 paper and
* http://homes.esat.kuleuven.be/~bosselae/mbedtls_ripemd160.html#HMAC
*/
#define TESTS 8
static const unsigned char ripemd160_test_str[TESTS][81] = {
{ "" },
{ "a" },
{ "abc" },
{ "message digest" },
{ "abcdefghijklmnopqrstuvwxyz" },
{ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
{ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
{ "12345678901234567890123456789012345678901234567890123456789012345678901234567890" },
};
static const size_t ripemd160_test_strlen[TESTS] = {
0, 1, 3, 14, 26, 56, 62, 80
};
static const unsigned char ripemd160_test_md[TESTS][20] = {
{
0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31
},
{
0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe
},
{
0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc
},
{
0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36
},
{
0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc
},
{
0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b
},
{
0xb0, 0xe2, 0x0b, 0x6e, 0x31, 0x16, 0x64, 0x02, 0x86, 0xed,
0x3a, 0x87, 0xa5, 0x71, 0x30, 0x79, 0xb2, 0x1f, 0x51, 0x89
},
{
0x9b, 0x75, 0x2e, 0x45, 0x57, 0x3d, 0x4b, 0x39, 0xf4, 0xdb,
0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb
},
};
/*
* Checkup routine
*/
int mbedtls_ripemd160_self_test(int verbose) {
int i, ret = 0;
unsigned char output[20];
memset(output, 0, sizeof output);
for (i = 0; i < TESTS; i++) {
if (verbose != 0)
mbedtls_printf(" RIPEMD-160 test #%d: ", i + 1);
ret = mbedtls_ripemd160_ret(ripemd160_test_str[i],
ripemd160_test_strlen[i], output);
if (ret != 0)
goto fail;
if (memcmp(output, ripemd160_test_md[i], 20) != 0) {
ret = 1;
goto fail;
}
if (verbose != 0)
mbedtls_printf("passed\n");
}
if (verbose != 0)
mbedtls_printf("\n");
return (0);
fail:
if (verbose != 0)
mbedtls_printf("failed\n");
return (ret);
}
#endif /* MBEDTLS_SELF_TEST */
#endif /* MBEDTLS_RIPEMD160_C */