| /* |
| * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| /* |
| * MD4 low level APIs are deprecated for public use, but still ok for |
| * internal use. |
| */ |
| #include "internal/deprecated.h" |
| |
| #include <stdio.h> |
| #include <openssl/opensslv.h> |
| #include "md4_local.h" |
| |
| /* |
| * Implemented from RFC1186 The MD4 Message-Digest Algorithm |
| */ |
| |
| #define INIT_DATA_A (unsigned long)0x67452301L |
| #define INIT_DATA_B (unsigned long)0xefcdab89L |
| #define INIT_DATA_C (unsigned long)0x98badcfeL |
| #define INIT_DATA_D (unsigned long)0x10325476L |
| |
| int MD4_Init(MD4_CTX *c) |
| { |
| memset(c, 0, sizeof(*c)); |
| c->A = INIT_DATA_A; |
| c->B = INIT_DATA_B; |
| c->C = INIT_DATA_C; |
| c->D = INIT_DATA_D; |
| return 1; |
| } |
| |
| #ifndef md4_block_data_order |
| # ifdef X |
| # undef X |
| # endif |
| void md4_block_data_order(MD4_CTX *c, const void *data_, size_t num) |
| { |
| const unsigned char *data = data_; |
| register unsigned MD32_REG_T A, B, C, D, l; |
| # ifndef MD32_XARRAY |
| /* See comment in crypto/sha/sha_local.h for details. */ |
| unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, |
| XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15; |
| # define X(i) XX##i |
| # else |
| MD4_LONG XX[MD4_LBLOCK]; |
| # define X(i) XX[i] |
| # endif |
| |
| A = c->A; |
| B = c->B; |
| C = c->C; |
| D = c->D; |
| |
| for (; num--;) { |
| (void)HOST_c2l(data, l); |
| X(0) = l; |
| (void)HOST_c2l(data, l); |
| X(1) = l; |
| /* Round 0 */ |
| R0(A, B, C, D, X(0), 3, 0); |
| (void)HOST_c2l(data, l); |
| X(2) = l; |
| R0(D, A, B, C, X(1), 7, 0); |
| (void)HOST_c2l(data, l); |
| X(3) = l; |
| R0(C, D, A, B, X(2), 11, 0); |
| (void)HOST_c2l(data, l); |
| X(4) = l; |
| R0(B, C, D, A, X(3), 19, 0); |
| (void)HOST_c2l(data, l); |
| X(5) = l; |
| R0(A, B, C, D, X(4), 3, 0); |
| (void)HOST_c2l(data, l); |
| X(6) = l; |
| R0(D, A, B, C, X(5), 7, 0); |
| (void)HOST_c2l(data, l); |
| X(7) = l; |
| R0(C, D, A, B, X(6), 11, 0); |
| (void)HOST_c2l(data, l); |
| X(8) = l; |
| R0(B, C, D, A, X(7), 19, 0); |
| (void)HOST_c2l(data, l); |
| X(9) = l; |
| R0(A, B, C, D, X(8), 3, 0); |
| (void)HOST_c2l(data, l); |
| X(10) = l; |
| R0(D, A, B, C, X(9), 7, 0); |
| (void)HOST_c2l(data, l); |
| X(11) = l; |
| R0(C, D, A, B, X(10), 11, 0); |
| (void)HOST_c2l(data, l); |
| X(12) = l; |
| R0(B, C, D, A, X(11), 19, 0); |
| (void)HOST_c2l(data, l); |
| X(13) = l; |
| R0(A, B, C, D, X(12), 3, 0); |
| (void)HOST_c2l(data, l); |
| X(14) = l; |
| R0(D, A, B, C, X(13), 7, 0); |
| (void)HOST_c2l(data, l); |
| X(15) = l; |
| R0(C, D, A, B, X(14), 11, 0); |
| R0(B, C, D, A, X(15), 19, 0); |
| /* Round 1 */ |
| R1(A, B, C, D, X(0), 3, 0x5A827999L); |
| R1(D, A, B, C, X(4), 5, 0x5A827999L); |
| R1(C, D, A, B, X(8), 9, 0x5A827999L); |
| R1(B, C, D, A, X(12), 13, 0x5A827999L); |
| R1(A, B, C, D, X(1), 3, 0x5A827999L); |
| R1(D, A, B, C, X(5), 5, 0x5A827999L); |
| R1(C, D, A, B, X(9), 9, 0x5A827999L); |
| R1(B, C, D, A, X(13), 13, 0x5A827999L); |
| R1(A, B, C, D, X(2), 3, 0x5A827999L); |
| R1(D, A, B, C, X(6), 5, 0x5A827999L); |
| R1(C, D, A, B, X(10), 9, 0x5A827999L); |
| R1(B, C, D, A, X(14), 13, 0x5A827999L); |
| R1(A, B, C, D, X(3), 3, 0x5A827999L); |
| R1(D, A, B, C, X(7), 5, 0x5A827999L); |
| R1(C, D, A, B, X(11), 9, 0x5A827999L); |
| R1(B, C, D, A, X(15), 13, 0x5A827999L); |
| /* Round 2 */ |
| R2(A, B, C, D, X(0), 3, 0x6ED9EBA1L); |
| R2(D, A, B, C, X(8), 9, 0x6ED9EBA1L); |
| R2(C, D, A, B, X(4), 11, 0x6ED9EBA1L); |
| R2(B, C, D, A, X(12), 15, 0x6ED9EBA1L); |
| R2(A, B, C, D, X(2), 3, 0x6ED9EBA1L); |
| R2(D, A, B, C, X(10), 9, 0x6ED9EBA1L); |
| R2(C, D, A, B, X(6), 11, 0x6ED9EBA1L); |
| R2(B, C, D, A, X(14), 15, 0x6ED9EBA1L); |
| R2(A, B, C, D, X(1), 3, 0x6ED9EBA1L); |
| R2(D, A, B, C, X(9), 9, 0x6ED9EBA1L); |
| R2(C, D, A, B, X(5), 11, 0x6ED9EBA1L); |
| R2(B, C, D, A, X(13), 15, 0x6ED9EBA1L); |
| R2(A, B, C, D, X(3), 3, 0x6ED9EBA1L); |
| R2(D, A, B, C, X(11), 9, 0x6ED9EBA1L); |
| R2(C, D, A, B, X(7), 11, 0x6ED9EBA1L); |
| R2(B, C, D, A, X(15), 15, 0x6ED9EBA1L); |
| |
| A = c->A += A; |
| B = c->B += B; |
| C = c->C += C; |
| D = c->D += D; |
| } |
| } |
| #endif |