mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
147 lines
4.4 KiB
C
147 lines
4.4 KiB
C
/*
|
|
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (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
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <openssl/opensslv.h>
|
|
#include "md4_locl.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_locl.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
|