6b6ac9438f
package does have BXA export approval, but the licensing strings on the dnssafe code are a bit unpleasant. The crypto is easy to restore and bind will run without it - just without full dnssec support. Obtained from: The Internet Software Consortium (www.isc.org)
191 lines
6.5 KiB
C
191 lines
6.5 KiB
C
/* crypto/md/md5_locl.h */
|
|
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "md5.h"
|
|
|
|
#define ULONG unsigned long
|
|
#define UCHAR unsigned char
|
|
#define UINT unsigned int
|
|
|
|
#if defined(NOCONST)
|
|
#define const
|
|
#endif
|
|
|
|
#undef c2l
|
|
#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
|
|
l|=(((unsigned long)(*((c)++)))<< 8), \
|
|
l|=(((unsigned long)(*((c)++)))<<16), \
|
|
l|=(((unsigned long)(*((c)++)))<<24))
|
|
|
|
#undef p_c2l
|
|
#define p_c2l(c,l,n) { \
|
|
switch (n) { \
|
|
case 0: l =((unsigned long)(*((c)++))); \
|
|
case 1: l|=((unsigned long)(*((c)++)))<< 8; \
|
|
case 2: l|=((unsigned long)(*((c)++)))<<16; \
|
|
case 3: l|=((unsigned long)(*((c)++)))<<24; \
|
|
} \
|
|
}
|
|
|
|
/* NOTE the pointer is not incremented at the end of this */
|
|
#undef c2l_p
|
|
#define c2l_p(c,l,n) { \
|
|
l=0; \
|
|
(c)+=n; \
|
|
switch (n) { \
|
|
case 3: l =((unsigned long)(*(--(c))))<<16; \
|
|
case 2: l|=((unsigned long)(*(--(c))))<< 8; \
|
|
case 1: l|=((unsigned long)(*(--(c)))) ; \
|
|
} \
|
|
}
|
|
|
|
#undef p_c2l_p
|
|
#define p_c2l_p(c,l,sc,len) { \
|
|
switch (sc) \
|
|
{ \
|
|
case 0: l =((unsigned long)(*((c)++))); \
|
|
if (--len == 0) break; \
|
|
case 1: l|=((unsigned long)(*((c)++)))<< 8; \
|
|
if (--len == 0) break; \
|
|
case 2: l|=((unsigned long)(*((c)++)))<<16; \
|
|
} \
|
|
}
|
|
|
|
#undef l2c
|
|
#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
|
|
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
|
|
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
|
|
*((c)++)=(unsigned char)(((l)>>24)&0xff))
|
|
|
|
/* NOTE - c is not incremented as per l2c */
|
|
#undef l2cn
|
|
#define l2cn(l1,l2,c,n) { \
|
|
c+=n; \
|
|
switch (n) { \
|
|
case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
|
|
case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
|
|
case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
|
|
case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
|
|
case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
|
|
case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
|
|
case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
|
|
case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
|
|
} \
|
|
}
|
|
|
|
/* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
|
|
#if defined(WIN32)
|
|
/* 5 instructions with rotate instruction, else 9 */
|
|
#define Endian_Reverse32(a) \
|
|
{ \
|
|
unsigned long l=(a); \
|
|
(a)=((ROTATE(l,8)&0x00FF00FF)|(ROTATE(l,24)&0xFF00FF00)); \
|
|
}
|
|
#else
|
|
/* 6 instructions with rotate instruction, else 8 */
|
|
#define Endian_Reverse32(a) \
|
|
{ \
|
|
unsigned long l=(a); \
|
|
l=(((l&0xFF00FF00)>>8L)|((l&0x00FF00FF)<<8L)); \
|
|
(a)=ROTATE(l,16L); \
|
|
}
|
|
#endif
|
|
/*
|
|
#define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
|
|
#define G(x,y,z) (((x) & (z)) | ((y) & (~(z))))
|
|
*/
|
|
|
|
/* As pointed out by Wei Dai <weidai@eskimo.com>, the above can be
|
|
* simplified to the code below. Wei attributes these optimisations
|
|
* to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel.
|
|
*/
|
|
#define F(x,y,z) ((((y) ^ (z)) & (x)) ^ (z))
|
|
#define G(x,y,z) ((((x) ^ (y)) & (z)) ^ (y))
|
|
#define H(x,y,z) ((x) ^ (y) ^ (z))
|
|
#define I(x,y,z) (((x) | (~(z))) ^ (y))
|
|
|
|
#undef ROTATE
|
|
#if defined(WIN32)
|
|
#define ROTATE(a,n) _lrotl(a,n)
|
|
#else
|
|
#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
|
|
#endif
|
|
|
|
|
|
#define R0(a,b,c,d,k,s,t) { \
|
|
a+=((k)+(t)+F((b),(c),(d))); \
|
|
a=ROTATE(a,s); \
|
|
a+=b; };\
|
|
|
|
#define R1(a,b,c,d,k,s,t) { \
|
|
a+=((k)+(t)+G((b),(c),(d))); \
|
|
a=ROTATE(a,s); \
|
|
a+=b; };
|
|
|
|
#define R2(a,b,c,d,k,s,t) { \
|
|
a+=((k)+(t)+H((b),(c),(d))); \
|
|
a=ROTATE(a,s); \
|
|
a+=b; };
|
|
|
|
#define R3(a,b,c,d,k,s,t) { \
|
|
a+=((k)+(t)+I((b),(c),(d))); \
|
|
a=ROTATE(a,s); \
|
|
a+=b; };
|