Make this compile in the kernel too, major cosmetic cleanup.
This commit is contained in:
Poul-Henning Kamp
parent
b8dd511777
commit
15cfc283d8
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=20785
505
lib/libmd/md5c.c
505
lib/libmd/md5c.c
@ -1,95 +1,93 @@
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/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
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* $FreeBSD$
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*/
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/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
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rights reserved.
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License to copy and use this software is granted provided that it
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is identified as the "RSA Data Security, Inc. MD5 Message-Digest
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Algorithm" in all material mentioning or referencing this software
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or this function.
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License is also granted to make and use derivative works provided
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that such works are identified as "derived from the RSA Data
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Security, Inc. MD5 Message-Digest Algorithm" in all material
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mentioning or referencing the derived work.
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RSA Data Security, Inc. makes no representations concerning either
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the merchantability of this software or the suitability of this
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software for any particular purpose. It is provided "as is"
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without express or implied warranty of any kind.
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These notices must be retained in any copies of any part of this
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documentation and/or software.
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/*
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* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
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*
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* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
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* rights reserved.
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*
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* License to copy and use this software is granted provided that it
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* is identified as the "RSA Data Security, Inc. MD5 Message-Digest
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* Algorithm" in all material mentioning or referencing this software
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* or this function.
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*
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* License is also granted to make and use derivative works provided
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* that such works are identified as "derived from the RSA Data
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* Security, Inc. MD5 Message-Digest Algorithm" in all material
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* mentioning or referencing the derived work.
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*
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* RSA Data Security, Inc. makes no representations concerning either
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* the merchantability of this software or the suitability of this
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* software for any particular purpose. It is provided "as is"
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* without express or implied warranty of any kind.
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*
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* These notices must be retained in any copies of any part of this
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* documentation and/or software.
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*
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* $Id$
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*
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* This code is the same as the code published by RSA Inc. It has been
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* edited for clarity and style only.
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*/
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#include <sys/types.h>
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#ifdef KERNEL
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#include <sys/param.h>
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#include <sys/systm.h>
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#else
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#include <string.h>
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#include "md5.h"
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#endif
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typedef unsigned char *POINTER;
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typedef u_int16_t UINT2;
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typedef u_int32_t UINT4;
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#include <sys/md5.h>
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#define PROTO_LIST(list) list
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static void MD5Transform __P((u_int32_t [4], const unsigned char [64]));
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/* Constants for MD5Transform routine.
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*/
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#define S11 7
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#define S12 12
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#define S13 17
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#define S14 22
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#define S21 5
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#define S22 9
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#define S23 14
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#define S24 20
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#define S31 4
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#define S32 11
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#define S33 16
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#define S34 23
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#define S41 6
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#define S42 10
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#define S43 15
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#define S44 21
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static void MD5Transform PROTO_LIST ((UINT4 [4], const unsigned char [64]));
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#ifdef KERNEL
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#define memset(x,y,z) bzero(x,z);
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#define memcpy(x,y,z) bcopy(y, x, z)
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#endif
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#ifdef i386
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#define Encode memcpy
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#define Decode memcpy
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#else /* i386 */
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/* Encodes input (UINT4) into output (unsigned char). Assumes len is
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a multiple of 4.
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*/
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static void Encode (output, input, len)
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unsigned char *output;
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UINT4 *input;
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unsigned int len;
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{
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unsigned int i, j;
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for (i = 0, j = 0; j < len; i++, j += 4) {
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output[j] = (unsigned char)(input[i] & 0xff);
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output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
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output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
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output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
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}
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/*
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* Encodes input (u_int32_t) into output (unsigned char). Assumes len is
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* a multiple of 4.
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*/
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static void
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Encode (output, input, len)
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unsigned char *output;
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u_int32_t *input;
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unsigned int len;
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{
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unsigned int i, j;
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for (i = 0, j = 0; j < len; i++, j += 4) {
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output[j] = (unsigned char)(input[i] & 0xff);
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output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
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output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
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output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
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}
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}
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/* Decodes input (unsigned char) into output (UINT4). Assumes len is
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a multiple of 4.
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/*
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* Decodes input (unsigned char) into output (u_int32_t). Assumes len is
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* a multiple of 4.
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*/
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static void Decode (output, input, len)
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UINT4 *output;
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const unsigned char *input;
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unsigned int len;
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{
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unsigned int i, j;
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for (i = 0, j = 0; j < len; i++, j += 4)
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output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
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(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
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static void
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Decode (output, input, len)
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u_int32_t *output;
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const unsigned char *input;
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unsigned int len;
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{
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unsigned int i, j;
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for (i = 0, j = 0; j < len; i++, j += 4)
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output[i] = ((u_int32_t)input[j]) | (((u_int32_t)input[j+1]) << 8) |
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(((u_int32_t)input[j+2]) << 16) | (((u_int32_t)input[j+3]) << 24);
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}
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#endif /* i386 */
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@ -99,216 +97,235 @@ static unsigned char PADDING[64] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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/* F, G, H and I are basic MD5 functions.
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*/
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/* F, G, H and I are basic MD5 functions. */
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#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
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#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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#define I(x, y, z) ((y) ^ ((x) | (~z)))
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/* ROTATE_LEFT rotates x left n bits.
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*/
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/* ROTATE_LEFT rotates x left n bits. */
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#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
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Rotation is separate from addition to prevent recomputation.
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/*
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* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
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* Rotation is separate from addition to prevent recomputation.
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*/
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#define FF(a, b, c, d, x, s, ac) { \
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(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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(a) += F ((b), (c), (d)) + (x) + (u_int32_t)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define GG(a, b, c, d, x, s, ac) { \
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(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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(a) += G ((b), (c), (d)) + (x) + (u_int32_t)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define HH(a, b, c, d, x, s, ac) { \
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(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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(a) += H ((b), (c), (d)) + (x) + (u_int32_t)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define II(a, b, c, d, x, s, ac) { \
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(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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(a) += I ((b), (c), (d)) + (x) + (u_int32_t)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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/* MD5 initialization. Begins an MD5 operation, writing a new context.
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*/
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void MD5Init (context)
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MD5_CTX *context; /* context */
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/* MD5 initialization. Begins an MD5 operation, writing a new context. */
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void
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MD5Init (context)
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MD5_CTX *context;
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{
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context->count[0] = context->count[1] = 0;
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/* Load magic initialization constants.
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*/
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context->state[0] = 0x67452301;
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context->state[1] = 0xefcdab89;
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context->state[2] = 0x98badcfe;
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context->state[3] = 0x10325476;
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context->count[0] = context->count[1] = 0;
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/* Load magic initialization constants. */
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context->state[0] = 0x67452301;
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context->state[1] = 0xefcdab89;
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context->state[2] = 0x98badcfe;
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context->state[3] = 0x10325476;
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}
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/* MD5 block update operation. Continues an MD5 message-digest
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operation, processing another message block, and updating the
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context.
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/*
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* MD5 block update operation. Continues an MD5 message-digest
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* operation, processing another message block, and updating the
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* context.
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*/
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void MD5Update (context, input, inputLen)
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MD5_CTX *context; /* context */
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const unsigned char *input; /* input block */
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unsigned int inputLen; /* length of input block */
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void
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MD5Update (context, input, inputLen)
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MD5_CTX *context;
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const unsigned char *input;
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unsigned int inputLen;
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{
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unsigned int i, index, partLen;
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unsigned int i, index, partLen;
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/* Compute number of bytes mod 64 */
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index = (unsigned int)((context->count[0] >> 3) & 0x3F);
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/* Compute number of bytes mod 64 */
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index = (unsigned int)((context->count[0] >> 3) & 0x3F);
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/* Update number of bits */
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if ((context->count[0] += ((UINT4)inputLen << 3))
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< ((UINT4)inputLen << 3))
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context->count[1]++;
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context->count[1] += ((UINT4)inputLen >> 29);
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/* Update number of bits */
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if ((context->count[0] += ((u_int32_t)inputLen << 3))
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< ((u_int32_t)inputLen << 3))
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context->count[1]++;
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context->count[1] += ((u_int32_t)inputLen >> 29);
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partLen = 64 - index;
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partLen = 64 - index;
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/* Transform as many times as possible.
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*/
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if (inputLen >= partLen) {
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memcpy
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((POINTER)&context->buffer[index], (POINTER)input, partLen);
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MD5Transform (context->state, context->buffer);
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/* Transform as many times as possible. */
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if (inputLen >= partLen) {
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memcpy((void *)&context->buffer[index], (void *)input,
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partLen);
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MD5Transform (context->state, context->buffer);
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for (i = partLen; i + 63 < inputLen; i += 64)
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MD5Transform (context->state, &input[i]);
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for (i = partLen; i + 63 < inputLen; i += 64)
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MD5Transform (context->state, &input[i]);
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index = 0;
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}
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else
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i = 0;
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index = 0;
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}
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else
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i = 0;
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/* Buffer remaining input */
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memcpy
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((POINTER)&context->buffer[index], (POINTER)&input[i],
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inputLen-i);
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/* Buffer remaining input */
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memcpy ((void *)&context->buffer[index], (void *)&input[i],
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inputLen-i);
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}
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/* MD5 finalization. Ends an MD5 message-digest operation, writing the
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the message digest and zeroizing the context.
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/*
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* MD5 finalization. Ends an MD5 message-digest operation, writing the
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* the message digest and zeroizing the context.
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*/
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void MD5Final (digest, context)
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unsigned char digest[16]; /* message digest */
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MD5_CTX *context; /* context */
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void
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MD5Final (digest, context)
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unsigned char digest[16];
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MD5_CTX *context;
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{
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unsigned char bits[8];
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unsigned int index, padLen;
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unsigned char bits[8];
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unsigned int index, padLen;
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/* Save number of bits */
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Encode (bits, context->count, 8);
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/* Save number of bits */
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Encode (bits, context->count, 8);
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/* Pad out to 56 mod 64.
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*/
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index = (unsigned int)((context->count[0] >> 3) & 0x3f);
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padLen = (index < 56) ? (56 - index) : (120 - index);
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MD5Update (context, PADDING, padLen);
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/* Pad out to 56 mod 64. */
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index = (unsigned int)((context->count[0] >> 3) & 0x3f);
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padLen = (index < 56) ? (56 - index) : (120 - index);
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MD5Update (context, PADDING, padLen);
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/* Append length (before padding) */
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MD5Update (context, bits, 8);
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/* Store state in digest */
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Encode (digest, context->state, 16);
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/* Append length (before padding) */
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MD5Update (context, bits, 8);
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/* Zeroize sensitive information.
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*/
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memset ((POINTER)context, 0, sizeof (*context));
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/* Store state in digest */
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Encode (digest, context->state, 16);
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/* Zeroize sensitive information. */
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memset ((void *)context, 0, sizeof (*context));
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}
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/* MD5 basic transformation. Transforms state based on block.
|
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*/
|
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static void MD5Transform (state, block)
|
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UINT4 state[4];
|
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const unsigned char block[64];
|
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/* MD5 basic transformation. Transforms state based on block. */
|
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static void
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MD5Transform (state, block)
|
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u_int32_t state[4];
|
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const unsigned char block[64];
|
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{
|
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UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
|
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u_int32_t a = state[0], b = state[1], c = state[2], d = state[3], x[16];
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Decode (x, block, 64);
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Decode (x, block, 64);
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|
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/* Round 1 */
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FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
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FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
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FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
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FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
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FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
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FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
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FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
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FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
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FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
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FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
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FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
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FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
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FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
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FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
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FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
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FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
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/* Round 1 */
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#define S11 7
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#define S12 12
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#define S13 17
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#define S14 22
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FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
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FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
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FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
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FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
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FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
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FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
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FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
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FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
|
||||
FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
|
||||
FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
|
||||
FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
|
||||
FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
|
||||
FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
|
||||
FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
|
||||
FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
|
||||
FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
|
||||
|
||||
/* Round 2 */
|
||||
GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
|
||||
GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
|
||||
GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
|
||||
GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
|
||||
GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
|
||||
GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
|
||||
GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
|
||||
GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
|
||||
GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
|
||||
GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
|
||||
GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
|
||||
GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
|
||||
GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
|
||||
GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
|
||||
GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
|
||||
GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
|
||||
/* Round 2 */
|
||||
#define S21 5
|
||||
#define S22 9
|
||||
#define S23 14
|
||||
#define S24 20
|
||||
GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
|
||||
GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
|
||||
GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
|
||||
GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
|
||||
GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
|
||||
GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
|
||||
GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
|
||||
GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
|
||||
GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
|
||||
GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
|
||||
GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
|
||||
GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
|
||||
GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
|
||||
GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
|
||||
GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
|
||||
GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
|
||||
|
||||
/* Round 3 */
|
||||
HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
|
||||
HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
|
||||
HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
|
||||
HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
|
||||
HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
|
||||
HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
|
||||
HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
|
||||
HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
|
||||
HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
|
||||
HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
|
||||
HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
|
||||
HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
|
||||
HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
|
||||
HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
|
||||
HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
|
||||
HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
|
||||
/* Round 3 */
|
||||
#define S31 4
|
||||
#define S32 11
|
||||
#define S33 16
|
||||
#define S34 23
|
||||
HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
|
||||
HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
|
||||
HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
|
||||
HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
|
||||
HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
|
||||
HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
|
||||
HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
|
||||
HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
|
||||
HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
|
||||
HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
|
||||
HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
|
||||
HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
|
||||
HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
|
||||
HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
|
||||
HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
|
||||
HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
|
||||
|
||||
/* Round 4 */
|
||||
II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
|
||||
II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
|
||||
II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
|
||||
II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
|
||||
II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
|
||||
II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
|
||||
II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
|
||||
II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
|
||||
II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
|
||||
II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
|
||||
II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
|
||||
II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
|
||||
II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
|
||||
II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
|
||||
II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
|
||||
II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
|
||||
/* Round 4 */
|
||||
#define S41 6
|
||||
#define S42 10
|
||||
#define S43 15
|
||||
#define S44 21
|
||||
II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
|
||||
II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
|
||||
II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
|
||||
II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
|
||||
II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
|
||||
II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
|
||||
II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
|
||||
II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
|
||||
II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
|
||||
II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
|
||||
II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
|
||||
II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
|
||||
II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
|
||||
II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
|
||||
II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
|
||||
II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
|
||||
|
||||
state[0] += a;
|
||||
state[1] += b;
|
||||
state[2] += c;
|
||||
state[3] += d;
|
||||
state[0] += a;
|
||||
state[1] += b;
|
||||
state[2] += c;
|
||||
state[3] += d;
|
||||
|
||||
/* Zeroize sensitive information.
|
||||
*/
|
||||
memset ((POINTER)x, 0, sizeof (x));
|
||||
/* Zeroize sensitive information. */
|
||||
memset ((void *)x, 0, sizeof (x));
|
||||
}
|
||||
|
||||
|
||||
505
sys/kern/md5c.c
505
sys/kern/md5c.c
@ -1,95 +1,93 @@
|
||||
/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
|
||||
rights reserved.
|
||||
|
||||
License to copy and use this software is granted provided that it
|
||||
is identified as the "RSA Data Security, Inc. MD5 Message-Digest
|
||||
Algorithm" in all material mentioning or referencing this software
|
||||
or this function.
|
||||
|
||||
License is also granted to make and use derivative works provided
|
||||
that such works are identified as "derived from the RSA Data
|
||||
Security, Inc. MD5 Message-Digest Algorithm" in all material
|
||||
mentioning or referencing the derived work.
|
||||
|
||||
RSA Data Security, Inc. makes no representations concerning either
|
||||
the merchantability of this software or the suitability of this
|
||||
software for any particular purpose. It is provided "as is"
|
||||
without express or implied warranty of any kind.
|
||||
|
||||
These notices must be retained in any copies of any part of this
|
||||
documentation and/or software.
|
||||
/*
|
||||
* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
|
||||
*
|
||||
* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
|
||||
* rights reserved.
|
||||
*
|
||||
* License to copy and use this software is granted provided that it
|
||||
* is identified as the "RSA Data Security, Inc. MD5 Message-Digest
|
||||
* Algorithm" in all material mentioning or referencing this software
|
||||
* or this function.
|
||||
*
|
||||
* License is also granted to make and use derivative works provided
|
||||
* that such works are identified as "derived from the RSA Data
|
||||
* Security, Inc. MD5 Message-Digest Algorithm" in all material
|
||||
* mentioning or referencing the derived work.
|
||||
*
|
||||
* RSA Data Security, Inc. makes no representations concerning either
|
||||
* the merchantability of this software or the suitability of this
|
||||
* software for any particular purpose. It is provided "as is"
|
||||
* without express or implied warranty of any kind.
|
||||
*
|
||||
* These notices must be retained in any copies of any part of this
|
||||
* documentation and/or software.
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
* This code is the same as the code published by RSA Inc. It has been
|
||||
* edited for clarity and style only.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
|
||||
#ifdef KERNEL
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#else
|
||||
#include <string.h>
|
||||
#include "md5.h"
|
||||
#endif
|
||||
|
||||
typedef unsigned char *POINTER;
|
||||
typedef u_int16_t UINT2;
|
||||
typedef u_int32_t UINT4;
|
||||
#include <sys/md5.h>
|
||||
|
||||
#define PROTO_LIST(list) list
|
||||
static void MD5Transform __P((u_int32_t [4], const unsigned char [64]));
|
||||
|
||||
/* Constants for MD5Transform routine.
|
||||
*/
|
||||
#define S11 7
|
||||
#define S12 12
|
||||
#define S13 17
|
||||
#define S14 22
|
||||
#define S21 5
|
||||
#define S22 9
|
||||
#define S23 14
|
||||
#define S24 20
|
||||
#define S31 4
|
||||
#define S32 11
|
||||
#define S33 16
|
||||
#define S34 23
|
||||
#define S41 6
|
||||
#define S42 10
|
||||
#define S43 15
|
||||
#define S44 21
|
||||
|
||||
static void MD5Transform PROTO_LIST ((UINT4 [4], const unsigned char [64]));
|
||||
#ifdef KERNEL
|
||||
#define memset(x,y,z) bzero(x,z);
|
||||
#define memcpy(x,y,z) bcopy(y, x, z)
|
||||
#endif
|
||||
|
||||
#ifdef i386
|
||||
#define Encode memcpy
|
||||
#define Decode memcpy
|
||||
#else /* i386 */
|
||||
/* Encodes input (UINT4) into output (unsigned char). Assumes len is
|
||||
a multiple of 4.
|
||||
*/
|
||||
static void Encode (output, input, len)
|
||||
unsigned char *output;
|
||||
UINT4 *input;
|
||||
unsigned int len;
|
||||
{
|
||||
unsigned int i, j;
|
||||
|
||||
for (i = 0, j = 0; j < len; i++, j += 4) {
|
||||
output[j] = (unsigned char)(input[i] & 0xff);
|
||||
output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
|
||||
output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
|
||||
output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
|
||||
}
|
||||
/*
|
||||
* Encodes input (u_int32_t) into output (unsigned char). Assumes len is
|
||||
* a multiple of 4.
|
||||
*/
|
||||
|
||||
static void
|
||||
Encode (output, input, len)
|
||||
unsigned char *output;
|
||||
u_int32_t *input;
|
||||
unsigned int len;
|
||||
{
|
||||
unsigned int i, j;
|
||||
|
||||
for (i = 0, j = 0; j < len; i++, j += 4) {
|
||||
output[j] = (unsigned char)(input[i] & 0xff);
|
||||
output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
|
||||
output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
|
||||
output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
|
||||
}
|
||||
}
|
||||
|
||||
/* Decodes input (unsigned char) into output (UINT4). Assumes len is
|
||||
a multiple of 4.
|
||||
/*
|
||||
* Decodes input (unsigned char) into output (u_int32_t). Assumes len is
|
||||
* a multiple of 4.
|
||||
*/
|
||||
static void Decode (output, input, len)
|
||||
UINT4 *output;
|
||||
const unsigned char *input;
|
||||
unsigned int len;
|
||||
{
|
||||
unsigned int i, j;
|
||||
|
||||
for (i = 0, j = 0; j < len; i++, j += 4)
|
||||
output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
|
||||
(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
|
||||
static void
|
||||
Decode (output, input, len)
|
||||
u_int32_t *output;
|
||||
const unsigned char *input;
|
||||
unsigned int len;
|
||||
{
|
||||
unsigned int i, j;
|
||||
|
||||
for (i = 0, j = 0; j < len; i++, j += 4)
|
||||
output[i] = ((u_int32_t)input[j]) | (((u_int32_t)input[j+1]) << 8) |
|
||||
(((u_int32_t)input[j+2]) << 16) | (((u_int32_t)input[j+3]) << 24);
|
||||
}
|
||||
#endif /* i386 */
|
||||
|
||||
@ -99,216 +97,235 @@ static unsigned char PADDING[64] = {
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
||||
};
|
||||
|
||||
/* F, G, H and I are basic MD5 functions.
|
||||
*/
|
||||
/* F, G, H and I are basic MD5 functions. */
|
||||
#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
|
||||
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
|
||||
#define H(x, y, z) ((x) ^ (y) ^ (z))
|
||||
#define I(x, y, z) ((y) ^ ((x) | (~z)))
|
||||
|
||||
/* ROTATE_LEFT rotates x left n bits.
|
||||
*/
|
||||
/* ROTATE_LEFT rotates x left n bits. */
|
||||
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
|
||||
|
||||
/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
|
||||
Rotation is separate from addition to prevent recomputation.
|
||||
/*
|
||||
* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
|
||||
* Rotation is separate from addition to prevent recomputation.
|
||||
*/
|
||||
#define FF(a, b, c, d, x, s, ac) { \
|
||||
(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
|
||||
(a) = ROTATE_LEFT ((a), (s)); \
|
||||
(a) += (b); \
|
||||
}
|
||||
(a) += F ((b), (c), (d)) + (x) + (u_int32_t)(ac); \
|
||||
(a) = ROTATE_LEFT ((a), (s)); \
|
||||
(a) += (b); \
|
||||
}
|
||||
#define GG(a, b, c, d, x, s, ac) { \
|
||||
(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
|
||||
(a) = ROTATE_LEFT ((a), (s)); \
|
||||
(a) += (b); \
|
||||
}
|
||||
(a) += G ((b), (c), (d)) + (x) + (u_int32_t)(ac); \
|
||||
(a) = ROTATE_LEFT ((a), (s)); \
|
||||
(a) += (b); \
|
||||
}
|
||||
#define HH(a, b, c, d, x, s, ac) { \
|
||||
(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
|
||||
(a) = ROTATE_LEFT ((a), (s)); \
|
||||
(a) += (b); \
|
||||
}
|
||||
(a) += H ((b), (c), (d)) + (x) + (u_int32_t)(ac); \
|
||||
(a) = ROTATE_LEFT ((a), (s)); \
|
||||
(a) += (b); \
|
||||
}
|
||||
#define II(a, b, c, d, x, s, ac) { \
|
||||
(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
|
||||
(a) = ROTATE_LEFT ((a), (s)); \
|
||||
(a) += (b); \
|
||||
}
|
||||
(a) += I ((b), (c), (d)) + (x) + (u_int32_t)(ac); \
|
||||
(a) = ROTATE_LEFT ((a), (s)); \
|
||||
(a) += (b); \
|
||||
}
|
||||
|
||||
/* MD5 initialization. Begins an MD5 operation, writing a new context.
|
||||
*/
|
||||
void MD5Init (context)
|
||||
MD5_CTX *context; /* context */
|
||||
/* MD5 initialization. Begins an MD5 operation, writing a new context. */
|
||||
|
||||
void
|
||||
MD5Init (context)
|
||||
MD5_CTX *context;
|
||||
{
|
||||
context->count[0] = context->count[1] = 0;
|
||||
/* Load magic initialization constants.
|
||||
*/
|
||||
context->state[0] = 0x67452301;
|
||||
context->state[1] = 0xefcdab89;
|
||||
context->state[2] = 0x98badcfe;
|
||||
context->state[3] = 0x10325476;
|
||||
|
||||
context->count[0] = context->count[1] = 0;
|
||||
|
||||
/* Load magic initialization constants. */
|
||||
context->state[0] = 0x67452301;
|
||||
context->state[1] = 0xefcdab89;
|
||||
context->state[2] = 0x98badcfe;
|
||||
context->state[3] = 0x10325476;
|
||||
}
|
||||
|
||||
/* MD5 block update operation. Continues an MD5 message-digest
|
||||
operation, processing another message block, and updating the
|
||||
context.
|
||||
/*
|
||||
* MD5 block update operation. Continues an MD5 message-digest
|
||||
* operation, processing another message block, and updating the
|
||||
* context.
|
||||
*/
|
||||
void MD5Update (context, input, inputLen)
|
||||
MD5_CTX *context; /* context */
|
||||
const unsigned char *input; /* input block */
|
||||
unsigned int inputLen; /* length of input block */
|
||||
|
||||
void
|
||||
MD5Update (context, input, inputLen)
|
||||
MD5_CTX *context;
|
||||
const unsigned char *input;
|
||||
unsigned int inputLen;
|
||||
{
|
||||
unsigned int i, index, partLen;
|
||||
unsigned int i, index, partLen;
|
||||
|
||||
/* Compute number of bytes mod 64 */
|
||||
index = (unsigned int)((context->count[0] >> 3) & 0x3F);
|
||||
/* Compute number of bytes mod 64 */
|
||||
index = (unsigned int)((context->count[0] >> 3) & 0x3F);
|
||||
|
||||
/* Update number of bits */
|
||||
if ((context->count[0] += ((UINT4)inputLen << 3))
|
||||
< ((UINT4)inputLen << 3))
|
||||
context->count[1]++;
|
||||
context->count[1] += ((UINT4)inputLen >> 29);
|
||||
/* Update number of bits */
|
||||
if ((context->count[0] += ((u_int32_t)inputLen << 3))
|
||||
< ((u_int32_t)inputLen << 3))
|
||||
context->count[1]++;
|
||||
context->count[1] += ((u_int32_t)inputLen >> 29);
|
||||
|
||||
partLen = 64 - index;
|
||||
partLen = 64 - index;
|
||||
|
||||
/* Transform as many times as possible.
|
||||
*/
|
||||
if (inputLen >= partLen) {
|
||||
memcpy
|
||||
((POINTER)&context->buffer[index], (POINTER)input, partLen);
|
||||
MD5Transform (context->state, context->buffer);
|
||||
/* Transform as many times as possible. */
|
||||
if (inputLen >= partLen) {
|
||||
memcpy((void *)&context->buffer[index], (void *)input,
|
||||
partLen);
|
||||
MD5Transform (context->state, context->buffer);
|
||||
|
||||
for (i = partLen; i + 63 < inputLen; i += 64)
|
||||
MD5Transform (context->state, &input[i]);
|
||||
for (i = partLen; i + 63 < inputLen; i += 64)
|
||||
MD5Transform (context->state, &input[i]);
|
||||
|
||||
index = 0;
|
||||
}
|
||||
else
|
||||
i = 0;
|
||||
index = 0;
|
||||
}
|
||||
else
|
||||
i = 0;
|
||||
|
||||
/* Buffer remaining input */
|
||||
memcpy
|
||||
((POINTER)&context->buffer[index], (POINTER)&input[i],
|
||||
inputLen-i);
|
||||
/* Buffer remaining input */
|
||||
memcpy ((void *)&context->buffer[index], (void *)&input[i],
|
||||
inputLen-i);
|
||||
}
|
||||
|
||||
/* MD5 finalization. Ends an MD5 message-digest operation, writing the
|
||||
the message digest and zeroizing the context.
|
||||
/*
|
||||
* MD5 finalization. Ends an MD5 message-digest operation, writing the
|
||||
* the message digest and zeroizing the context.
|
||||
*/
|
||||
void MD5Final (digest, context)
|
||||
unsigned char digest[16]; /* message digest */
|
||||
MD5_CTX *context; /* context */
|
||||
|
||||
void
|
||||
MD5Final (digest, context)
|
||||
unsigned char digest[16];
|
||||
MD5_CTX *context;
|
||||
{
|
||||
unsigned char bits[8];
|
||||
unsigned int index, padLen;
|
||||
unsigned char bits[8];
|
||||
unsigned int index, padLen;
|
||||
|
||||
/* Save number of bits */
|
||||
Encode (bits, context->count, 8);
|
||||
/* Save number of bits */
|
||||
Encode (bits, context->count, 8);
|
||||
|
||||
/* Pad out to 56 mod 64.
|
||||
*/
|
||||
index = (unsigned int)((context->count[0] >> 3) & 0x3f);
|
||||
padLen = (index < 56) ? (56 - index) : (120 - index);
|
||||
MD5Update (context, PADDING, padLen);
|
||||
/* Pad out to 56 mod 64. */
|
||||
index = (unsigned int)((context->count[0] >> 3) & 0x3f);
|
||||
padLen = (index < 56) ? (56 - index) : (120 - index);
|
||||
MD5Update (context, PADDING, padLen);
|
||||
|
||||
/* Append length (before padding) */
|
||||
MD5Update (context, bits, 8);
|
||||
/* Store state in digest */
|
||||
Encode (digest, context->state, 16);
|
||||
/* Append length (before padding) */
|
||||
MD5Update (context, bits, 8);
|
||||
|
||||
/* Zeroize sensitive information.
|
||||
*/
|
||||
memset ((POINTER)context, 0, sizeof (*context));
|
||||
/* Store state in digest */
|
||||
Encode (digest, context->state, 16);
|
||||
|
||||
/* Zeroize sensitive information. */
|
||||
memset ((void *)context, 0, sizeof (*context));
|
||||
}
|
||||
|
||||
/* MD5 basic transformation. Transforms state based on block.
|
||||
*/
|
||||
static void MD5Transform (state, block)
|
||||
UINT4 state[4];
|
||||
const unsigned char block[64];
|
||||
/* MD5 basic transformation. Transforms state based on block. */
|
||||
|
||||
static void
|
||||
MD5Transform (state, block)
|
||||
u_int32_t state[4];
|
||||
const unsigned char block[64];
|
||||
{
|
||||
UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
|
||||
u_int32_t a = state[0], b = state[1], c = state[2], d = state[3], x[16];
|
||||
|
||||
Decode (x, block, 64);
|
||||
Decode (x, block, 64);
|
||||
|
||||
/* Round 1 */
|
||||
FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
|
||||
FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
|
||||
FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
|
||||
FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
|
||||
FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
|
||||
FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
|
||||
FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
|
||||
FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
|
||||
FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
|
||||
FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
|
||||
FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
|
||||
FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
|
||||
FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
|
||||
FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
|
||||
FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
|
||||
FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
|
||||
/* Round 1 */
|
||||
#define S11 7
|
||||
#define S12 12
|
||||
#define S13 17
|
||||
#define S14 22
|
||||
FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
|
||||
FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
|
||||
FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
|
||||
FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
|
||||
FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
|
||||
FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
|
||||
FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
|
||||
FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
|
||||
FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
|
||||
FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
|
||||
FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
|
||||
FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
|
||||
FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
|
||||
FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
|
||||
FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
|
||||
FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
|
||||
|
||||
/* Round 2 */
|
||||
GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
|
||||
GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
|
||||
GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
|
||||
GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
|
||||
GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
|
||||
GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
|
||||
GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
|
||||
GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
|
||||
GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
|
||||
GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
|
||||
GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
|
||||
GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
|
||||
GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
|
||||
GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
|
||||
GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
|
||||
GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
|
||||
/* Round 2 */
|
||||
#define S21 5
|
||||
#define S22 9
|
||||
#define S23 14
|
||||
#define S24 20
|
||||
GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
|
||||
GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
|
||||
GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
|
||||
GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
|
||||
GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
|
||||
GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
|
||||
GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
|
||||
GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
|
||||
GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
|
||||
GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
|
||||
GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
|
||||
GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
|
||||
GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
|
||||
GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
|
||||
GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
|
||||
GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
|
||||
|
||||
/* Round 3 */
|
||||
HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
|
||||
HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
|
||||
HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
|
||||
HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
|
||||
HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
|
||||
HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
|
||||
HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
|
||||
HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
|
||||
HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
|
||||
HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
|
||||
HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
|
||||
HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
|
||||
HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
|
||||
HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
|
||||
HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
|
||||
HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
|
||||
/* Round 3 */
|
||||
#define S31 4
|
||||
#define S32 11
|
||||
#define S33 16
|
||||
#define S34 23
|
||||
HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
|
||||
HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
|
||||
HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
|
||||
HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
|
||||
HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
|
||||
HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
|
||||
HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
|
||||
HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
|
||||
HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
|
||||
HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
|
||||
HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
|
||||
HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
|
||||
HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
|
||||
HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
|
||||
HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
|
||||
HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
|
||||
|
||||
/* Round 4 */
|
||||
II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
|
||||
II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
|
||||
II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
|
||||
II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
|
||||
II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
|
||||
II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
|
||||
II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
|
||||
II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
|
||||
II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
|
||||
II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
|
||||
II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
|
||||
II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
|
||||
II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
|
||||
II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
|
||||
II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
|
||||
II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
|
||||
/* Round 4 */
|
||||
#define S41 6
|
||||
#define S42 10
|
||||
#define S43 15
|
||||
#define S44 21
|
||||
II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
|
||||
II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
|
||||
II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
|
||||
II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
|
||||
II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
|
||||
II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
|
||||
II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
|
||||
II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
|
||||
II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
|
||||
II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
|
||||
II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
|
||||
II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
|
||||
II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
|
||||
II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
|
||||
II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
|
||||
II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
|
||||
|
||||
state[0] += a;
|
||||
state[1] += b;
|
||||
state[2] += c;
|
||||
state[3] += d;
|
||||
state[0] += a;
|
||||
state[1] += b;
|
||||
state[2] += c;
|
||||
state[3] += d;
|
||||
|
||||
/* Zeroize sensitive information.
|
||||
*/
|
||||
memset ((POINTER)x, 0, sizeof (x));
|
||||
/* Zeroize sensitive information. */
|
||||
memset ((void *)x, 0, sizeof (x));
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user