| /* |
| * 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> |
| |
| #include "mbedtls/platform.h" |
| |
| #if !defined(MBEDTLS_RIPEMD160_ALT) |
| |
| 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(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_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; |
| |
| local.X[0] = MBEDTLS_GET_UINT32_LE(data, 0); |
| local.X[1] = MBEDTLS_GET_UINT32_LE(data, 4); |
| local.X[2] = MBEDTLS_GET_UINT32_LE(data, 8); |
| local.X[3] = MBEDTLS_GET_UINT32_LE(data, 12); |
| local.X[4] = MBEDTLS_GET_UINT32_LE(data, 16); |
| local.X[5] = MBEDTLS_GET_UINT32_LE(data, 20); |
| local.X[6] = MBEDTLS_GET_UINT32_LE(data, 24); |
| local.X[7] = MBEDTLS_GET_UINT32_LE(data, 28); |
| local.X[8] = MBEDTLS_GET_UINT32_LE(data, 32); |
| local.X[9] = MBEDTLS_GET_UINT32_LE(data, 36); |
| local.X[10] = MBEDTLS_GET_UINT32_LE(data, 40); |
| local.X[11] = MBEDTLS_GET_UINT32_LE(data, 44); |
| local.X[12] = MBEDTLS_GET_UINT32_LE(data, 48); |
| local.X[13] = MBEDTLS_GET_UINT32_LE(data, 52); |
| local.X[14] = MBEDTLS_GET_UINT32_LE(data, 56); |
| local.X[15] = MBEDTLS_GET_UINT32_LE(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; |
| } |
| |
| #endif /* !MBEDTLS_RIPEMD160_PROCESS_ALT */ |
| |
| /* |
| * RIPEMD-160 process buffer |
| */ |
| int mbedtls_ripemd160_update(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; |
| } |
| |
| 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(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); |
| |
| MBEDTLS_PUT_UINT32_LE(low, msglen, 0); |
| MBEDTLS_PUT_UINT32_LE(high, msglen, 4); |
| |
| last = ctx->total[0] & 0x3F; |
| padn = (last < 56) ? (56 - last) : (120 - last); |
| |
| ret = mbedtls_ripemd160_update(ctx, ripemd160_padding, padn); |
| if (ret != 0) { |
| return ret; |
| } |
| |
| ret = mbedtls_ripemd160_update(ctx, msglen, 8); |
| if (ret != 0) { |
| return ret; |
| } |
| |
| MBEDTLS_PUT_UINT32_LE(ctx->state[0], output, 0); |
| MBEDTLS_PUT_UINT32_LE(ctx->state[1], output, 4); |
| MBEDTLS_PUT_UINT32_LE(ctx->state[2], output, 8); |
| MBEDTLS_PUT_UINT32_LE(ctx->state[3], output, 12); |
| MBEDTLS_PUT_UINT32_LE(ctx->state[4], output, 16); |
| |
| return 0; |
| } |
| |
| #endif /* ! MBEDTLS_RIPEMD160_ALT */ |
| |
| /* |
| * output = RIPEMD-160( input buffer ) |
| */ |
| int mbedtls_ripemd160(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(&ctx)) != 0) { |
| goto exit; |
| } |
| |
| if ((ret = mbedtls_ripemd160_update(&ctx, input, ilen)) != 0) { |
| goto exit; |
| } |
| |
| if ((ret = mbedtls_ripemd160_finish(&ctx, output)) != 0) { |
| goto exit; |
| } |
| |
| exit: |
| mbedtls_ripemd160_free(&ctx); |
| |
| return ret; |
| } |
| |
| #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(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 */ |