mirror of
https://github.com/inspircd/inspircd.git
synced 2025-03-11 11:39:02 -04:00
Add m_ripemd160 on behalf of Brain. Adds ripemd-160 hashing to our collection of providers. Will doc later.
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@9445 e03df62e-2008-0410-955e-edbf42e46eb7
This commit is contained in:
parent
ebdf1a0c6b
commit
37f22f28a3
496
src/modules/m_ripemd160.cpp
Normal file
496
src/modules/m_ripemd160.cpp
Normal file
@ -0,0 +1,496 @@
|
||||
/* +------------------------------------+
|
||||
* | Inspire Internet Relay Chat Daemon |
|
||||
* +------------------------------------+
|
||||
*
|
||||
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
|
||||
* See: http://www.inspircd.org/wiki/index.php/Credits
|
||||
*
|
||||
* This program is free but copyrighted software; see
|
||||
* the file COPYING for details.
|
||||
*
|
||||
* ---------------------------------------------------
|
||||
*/
|
||||
|
||||
/*
|
||||
*
|
||||
* AUTHOR: Antoon Bosselaers, ESAT-COSIC
|
||||
* DATE: 1 March 1996
|
||||
* VERSION: 1.0
|
||||
*
|
||||
* Copyright (c) Katholieke Universiteit Leuven
|
||||
* 1996, All Rights Reserved
|
||||
*
|
||||
* Conditions for use of the RIPEMD-160 Software
|
||||
*
|
||||
* The RIPEMD-160 software is freely available for use under the terms and
|
||||
* conditions described hereunder, which shall be deemed to be accepted by
|
||||
* any user of the software and applicable on any use of the software:
|
||||
*
|
||||
* 1. K.U.Leuven Department of Electrical Engineering-ESAT/COSIC shall for
|
||||
* all purposes be considered the owner of the RIPEMD-160 software and of
|
||||
* all copyright, trade secret, patent or other intellectual property
|
||||
* rights therein.
|
||||
* 2. The RIPEMD-160 software is provided on an "as is" basis without
|
||||
* warranty of any sort, express or implied. K.U.Leuven makes no
|
||||
* representation that the use of the software will not infringe any
|
||||
* patent or proprietary right of third parties. User will indemnify
|
||||
* K.U.Leuven and hold K.U.Leuven harmless from any claims or liabilities
|
||||
* which may arise as a result of its use of the software. In no
|
||||
* circumstances K.U.Leuven R&D will be held liable for any deficiency,
|
||||
* fault or other mishappening with regard to the use or performance of
|
||||
* the software.
|
||||
* 3. User agrees to give due credit to K.U.Leuven in scientific publications
|
||||
* or communications in relation with the use of the RIPEMD-160 software
|
||||
* as follows: RIPEMD-160 software written by Antoon Bosselaers,
|
||||
* available at http://www.esat.kuleuven.be/~cosicart/ps/AB-9601/.
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
/* $ModDesc: Allows for RIPEMD-160 encrypted oper passwords */
|
||||
/* $ModDep: m_hash.h */
|
||||
|
||||
/* macro definitions */
|
||||
|
||||
#include "inspircd.h"
|
||||
#ifdef HAS_STDINT
|
||||
#include <stdint.h>
|
||||
#endif
|
||||
#include "m_hash.h"
|
||||
|
||||
#define RMDsize 160
|
||||
|
||||
#ifndef HAS_STDINT
|
||||
typedef unsigned char byte;
|
||||
typedef unsigned int dword;
|
||||
#else
|
||||
typedef uint8_t byte;
|
||||
typedef uint32_t dword;
|
||||
#endif
|
||||
|
||||
/* collect four bytes into one word: */
|
||||
#define BYTES_TO_DWORD(strptr) \
|
||||
(((dword) *((strptr)+3) << 24) | \
|
||||
((dword) *((strptr)+2) << 16) | \
|
||||
((dword) *((strptr)+1) << 8) | \
|
||||
((dword) *(strptr)))
|
||||
|
||||
/* ROL(x, n) cyclically rotates x over n bits to the left */
|
||||
/* x must be of an unsigned 32 bits type and 0 <= n < 32. */
|
||||
#define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n))))
|
||||
|
||||
/* the five basic functions F(), G() and H() */
|
||||
#define F(x, y, z) ((x) ^ (y) ^ (z))
|
||||
#define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
|
||||
#define H(x, y, z) (((x) | ~(y)) ^ (z))
|
||||
#define I(x, y, z) (((x) & (z)) | ((y) & ~(z)))
|
||||
#define J(x, y, z) ((x) ^ ((y) | ~(z)))
|
||||
|
||||
/* the ten basic operations FF() through III() */
|
||||
|
||||
#define FF(a, b, c, d, e, x, s) {\
|
||||
(a) += F((b), (c), (d)) + (x);\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define GG(a, b, c, d, e, x, s) {\
|
||||
(a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define HH(a, b, c, d, e, x, s) {\
|
||||
(a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define II(a, b, c, d, e, x, s) {\
|
||||
(a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define JJ(a, b, c, d, e, x, s) {\
|
||||
(a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define FFF(a, b, c, d, e, x, s) {\
|
||||
(a) += F((b), (c), (d)) + (x);\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define GGG(a, b, c, d, e, x, s) {\
|
||||
(a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define HHH(a, b, c, d, e, x, s) {\
|
||||
(a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define III(a, b, c, d, e, x, s) {\
|
||||
(a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
#define JJJ(a, b, c, d, e, x, s) {\
|
||||
(a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
|
||||
(a) = ROL((a), (s)) + (e);\
|
||||
(c) = ROL((c), 10);\
|
||||
}
|
||||
|
||||
|
||||
class ModuleRIPEMD160 : public Module
|
||||
{
|
||||
|
||||
void MDinit(dword *MDbuf, unsigned int* key)
|
||||
{
|
||||
if (key)
|
||||
{
|
||||
MDbuf[0] = key[0];
|
||||
MDbuf[1] = key[1];
|
||||
MDbuf[2] = key[2];
|
||||
MDbuf[3] = key[3];
|
||||
MDbuf[4] = key[4];
|
||||
}
|
||||
else
|
||||
{
|
||||
MDbuf[0] = 0x67452301UL;
|
||||
MDbuf[1] = 0xefcdab89UL;
|
||||
MDbuf[2] = 0x98badcfeUL;
|
||||
MDbuf[3] = 0x10325476UL;
|
||||
MDbuf[4] = 0xc3d2e1f0UL;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
void compress(dword *MDbuf, dword *X)
|
||||
{
|
||||
dword aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2],
|
||||
dd = MDbuf[3], ee = MDbuf[4];
|
||||
dword aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2],
|
||||
ddd = MDbuf[3], eee = MDbuf[4];
|
||||
|
||||
/* round 1 */
|
||||
FF(aa, bb, cc, dd, ee, X[ 0], 11);
|
||||
FF(ee, aa, bb, cc, dd, X[ 1], 14);
|
||||
FF(dd, ee, aa, bb, cc, X[ 2], 15);
|
||||
FF(cc, dd, ee, aa, bb, X[ 3], 12);
|
||||
FF(bb, cc, dd, ee, aa, X[ 4], 5);
|
||||
FF(aa, bb, cc, dd, ee, X[ 5], 8);
|
||||
FF(ee, aa, bb, cc, dd, X[ 6], 7);
|
||||
FF(dd, ee, aa, bb, cc, X[ 7], 9);
|
||||
FF(cc, dd, ee, aa, bb, X[ 8], 11);
|
||||
FF(bb, cc, dd, ee, aa, X[ 9], 13);
|
||||
FF(aa, bb, cc, dd, ee, X[10], 14);
|
||||
FF(ee, aa, bb, cc, dd, X[11], 15);
|
||||
FF(dd, ee, aa, bb, cc, X[12], 6);
|
||||
FF(cc, dd, ee, aa, bb, X[13], 7);
|
||||
FF(bb, cc, dd, ee, aa, X[14], 9);
|
||||
FF(aa, bb, cc, dd, ee, X[15], 8);
|
||||
|
||||
/* round 2 */
|
||||
GG(ee, aa, bb, cc, dd, X[ 7], 7);
|
||||
GG(dd, ee, aa, bb, cc, X[ 4], 6);
|
||||
GG(cc, dd, ee, aa, bb, X[13], 8);
|
||||
GG(bb, cc, dd, ee, aa, X[ 1], 13);
|
||||
GG(aa, bb, cc, dd, ee, X[10], 11);
|
||||
GG(ee, aa, bb, cc, dd, X[ 6], 9);
|
||||
GG(dd, ee, aa, bb, cc, X[15], 7);
|
||||
GG(cc, dd, ee, aa, bb, X[ 3], 15);
|
||||
GG(bb, cc, dd, ee, aa, X[12], 7);
|
||||
GG(aa, bb, cc, dd, ee, X[ 0], 12);
|
||||
GG(ee, aa, bb, cc, dd, X[ 9], 15);
|
||||
GG(dd, ee, aa, bb, cc, X[ 5], 9);
|
||||
GG(cc, dd, ee, aa, bb, X[ 2], 11);
|
||||
GG(bb, cc, dd, ee, aa, X[14], 7);
|
||||
GG(aa, bb, cc, dd, ee, X[11], 13);
|
||||
GG(ee, aa, bb, cc, dd, X[ 8], 12);
|
||||
|
||||
/* round 3 */
|
||||
HH(dd, ee, aa, bb, cc, X[ 3], 11);
|
||||
HH(cc, dd, ee, aa, bb, X[10], 13);
|
||||
HH(bb, cc, dd, ee, aa, X[14], 6);
|
||||
HH(aa, bb, cc, dd, ee, X[ 4], 7);
|
||||
HH(ee, aa, bb, cc, dd, X[ 9], 14);
|
||||
HH(dd, ee, aa, bb, cc, X[15], 9);
|
||||
HH(cc, dd, ee, aa, bb, X[ 8], 13);
|
||||
HH(bb, cc, dd, ee, aa, X[ 1], 15);
|
||||
HH(aa, bb, cc, dd, ee, X[ 2], 14);
|
||||
HH(ee, aa, bb, cc, dd, X[ 7], 8);
|
||||
HH(dd, ee, aa, bb, cc, X[ 0], 13);
|
||||
HH(cc, dd, ee, aa, bb, X[ 6], 6);
|
||||
HH(bb, cc, dd, ee, aa, X[13], 5);
|
||||
HH(aa, bb, cc, dd, ee, X[11], 12);
|
||||
HH(ee, aa, bb, cc, dd, X[ 5], 7);
|
||||
HH(dd, ee, aa, bb, cc, X[12], 5);
|
||||
|
||||
/* round 4 */
|
||||
II(cc, dd, ee, aa, bb, X[ 1], 11);
|
||||
II(bb, cc, dd, ee, aa, X[ 9], 12);
|
||||
II(aa, bb, cc, dd, ee, X[11], 14);
|
||||
II(ee, aa, bb, cc, dd, X[10], 15);
|
||||
II(dd, ee, aa, bb, cc, X[ 0], 14);
|
||||
II(cc, dd, ee, aa, bb, X[ 8], 15);
|
||||
II(bb, cc, dd, ee, aa, X[12], 9);
|
||||
II(aa, bb, cc, dd, ee, X[ 4], 8);
|
||||
II(ee, aa, bb, cc, dd, X[13], 9);
|
||||
II(dd, ee, aa, bb, cc, X[ 3], 14);
|
||||
II(cc, dd, ee, aa, bb, X[ 7], 5);
|
||||
II(bb, cc, dd, ee, aa, X[15], 6);
|
||||
II(aa, bb, cc, dd, ee, X[14], 8);
|
||||
II(ee, aa, bb, cc, dd, X[ 5], 6);
|
||||
II(dd, ee, aa, bb, cc, X[ 6], 5);
|
||||
II(cc, dd, ee, aa, bb, X[ 2], 12);
|
||||
|
||||
/* round 5 */
|
||||
JJ(bb, cc, dd, ee, aa, X[ 4], 9);
|
||||
JJ(aa, bb, cc, dd, ee, X[ 0], 15);
|
||||
JJ(ee, aa, bb, cc, dd, X[ 5], 5);
|
||||
JJ(dd, ee, aa, bb, cc, X[ 9], 11);
|
||||
JJ(cc, dd, ee, aa, bb, X[ 7], 6);
|
||||
JJ(bb, cc, dd, ee, aa, X[12], 8);
|
||||
JJ(aa, bb, cc, dd, ee, X[ 2], 13);
|
||||
JJ(ee, aa, bb, cc, dd, X[10], 12);
|
||||
JJ(dd, ee, aa, bb, cc, X[14], 5);
|
||||
JJ(cc, dd, ee, aa, bb, X[ 1], 12);
|
||||
JJ(bb, cc, dd, ee, aa, X[ 3], 13);
|
||||
JJ(aa, bb, cc, dd, ee, X[ 8], 14);
|
||||
JJ(ee, aa, bb, cc, dd, X[11], 11);
|
||||
JJ(dd, ee, aa, bb, cc, X[ 6], 8);
|
||||
JJ(cc, dd, ee, aa, bb, X[15], 5);
|
||||
JJ(bb, cc, dd, ee, aa, X[13], 6);
|
||||
|
||||
/* parallel round 1 */
|
||||
JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
|
||||
JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
|
||||
JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
|
||||
JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
|
||||
JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
|
||||
JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
|
||||
JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
|
||||
JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
|
||||
JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
|
||||
JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
|
||||
JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
|
||||
JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
|
||||
JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
|
||||
JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
|
||||
JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
|
||||
JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
|
||||
|
||||
/* parallel round 2 */
|
||||
III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
|
||||
III(ddd, eee, aaa, bbb, ccc, X[11], 13);
|
||||
III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
|
||||
III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
|
||||
III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
|
||||
III(eee, aaa, bbb, ccc, ddd, X[13], 8);
|
||||
III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
|
||||
III(ccc, ddd, eee, aaa, bbb, X[10], 11);
|
||||
III(bbb, ccc, ddd, eee, aaa, X[14], 7);
|
||||
III(aaa, bbb, ccc, ddd, eee, X[15], 7);
|
||||
III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
|
||||
III(ddd, eee, aaa, bbb, ccc, X[12], 7);
|
||||
III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
|
||||
III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
|
||||
III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
|
||||
III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
|
||||
|
||||
/* parallel round 3 */
|
||||
HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
|
||||
HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
|
||||
HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
|
||||
HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
|
||||
HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
|
||||
HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
|
||||
HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
|
||||
HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
|
||||
HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
|
||||
HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
|
||||
HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
|
||||
HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
|
||||
HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
|
||||
HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
|
||||
HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
|
||||
HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
|
||||
|
||||
/* parallel round 4 */
|
||||
GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
|
||||
GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
|
||||
GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
|
||||
GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
|
||||
GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
|
||||
GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
|
||||
GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
|
||||
GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
|
||||
GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
|
||||
GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
|
||||
GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
|
||||
GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
|
||||
GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
|
||||
GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
|
||||
GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
|
||||
GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
|
||||
|
||||
/* parallel round 5 */
|
||||
FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
|
||||
FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
|
||||
FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
|
||||
FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
|
||||
FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
|
||||
FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
|
||||
FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
|
||||
FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
|
||||
FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
|
||||
FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
|
||||
FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
|
||||
FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
|
||||
FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
|
||||
FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
|
||||
FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
|
||||
FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
|
||||
|
||||
/* combine results */
|
||||
ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */
|
||||
MDbuf[1] = MDbuf[2] + dd + eee;
|
||||
MDbuf[2] = MDbuf[3] + ee + aaa;
|
||||
MDbuf[3] = MDbuf[4] + aa + bbb;
|
||||
MDbuf[4] = MDbuf[0] + bb + ccc;
|
||||
MDbuf[0] = ddd;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void MDfinish(dword *MDbuf, byte *strptr, dword lswlen, dword mswlen)
|
||||
{
|
||||
unsigned int i; /* counter */
|
||||
dword X[16]; /* message words */
|
||||
|
||||
memset(X, 0, 16*sizeof(dword));
|
||||
|
||||
/* put bytes from strptr into X */
|
||||
for (i=0; i<(lswlen&63); i++) {
|
||||
/* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
|
||||
X[i>>2] ^= (dword) *strptr++ << (8 * (i&3));
|
||||
}
|
||||
|
||||
/* append the bit m_n == 1 */
|
||||
X[(lswlen>>2)&15] ^= (dword)1 << (8*(lswlen&3) + 7);
|
||||
|
||||
if ((lswlen & 63) > 55) {
|
||||
/* length goes to next block */
|
||||
compress(MDbuf, X);
|
||||
memset(X, 0, 16*sizeof(dword));
|
||||
}
|
||||
|
||||
/* append length in bits*/
|
||||
X[14] = lswlen << 3;
|
||||
X[15] = (lswlen >> 29) | (mswlen << 3);
|
||||
compress(MDbuf, X);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
byte *RMD(byte *message, dword length, unsigned int* key)
|
||||
{
|
||||
dword MDbuf[RMDsize/32]; /* contains (A, B, C, D(, E)) */
|
||||
static byte hashcode[RMDsize/8]; /* for final hash-value */
|
||||
dword X[16]; /* current 16-word chunk */
|
||||
unsigned int i; /* counter */
|
||||
dword nbytes; /* # of bytes not yet processed */
|
||||
|
||||
/* initialize */
|
||||
MDinit(MDbuf, key);
|
||||
|
||||
/* process message in 16-word chunks */
|
||||
for (nbytes=length; nbytes > 63; nbytes-=64) {
|
||||
for (i=0; i<16; i++) {
|
||||
X[i] = BYTES_TO_DWORD(message);
|
||||
message += 4;
|
||||
}
|
||||
compress(MDbuf, X);
|
||||
} /* length mod 64 bytes left */
|
||||
|
||||
MDfinish(MDbuf, message, length, 0);
|
||||
|
||||
for (i=0; i<RMDsize/8; i+=4) {
|
||||
hashcode[i] = MDbuf[i>>2]; /* implicit cast to byte */
|
||||
hashcode[i+1] = (MDbuf[i>>2] >> 8); /* extracts the 8 least */
|
||||
hashcode[i+2] = (MDbuf[i>>2] >> 16); /* significant bits. */
|
||||
hashcode[i+3] = (MDbuf[i>>2] >> 24);
|
||||
}
|
||||
|
||||
return (byte *)hashcode;
|
||||
}
|
||||
|
||||
unsigned int* key;
|
||||
char* chars;
|
||||
|
||||
public:
|
||||
|
||||
ModuleRIPEMD160(InspIRCd* Me) : Module(Me), key(NULL), chars("0123456789abcdef")
|
||||
{
|
||||
ServerInstance->Modules->PublishInterface("HashRequest", this);
|
||||
Implementation eventlist[] = { I_OnRequest };
|
||||
ServerInstance->Modules->Attach(eventlist, this, 1);
|
||||
}
|
||||
|
||||
virtual ~ModuleRIPEMD160()
|
||||
{
|
||||
ServerInstance->Modules->UnpublishInterface("HashRequest", this);
|
||||
}
|
||||
|
||||
|
||||
virtual const char* OnRequest(Request* request)
|
||||
{
|
||||
HashRequest* SHA = (HashRequest*)request;
|
||||
if (strcmp("KEY", request->GetId()) == 0)
|
||||
{
|
||||
this->key = (unsigned int*)SHA->GetKeyData();
|
||||
}
|
||||
else if (strcmp("HEX", request->GetId()) == 0)
|
||||
{
|
||||
this->chars = (char*)SHA->GetOutputs();
|
||||
}
|
||||
else if (strcmp("SUM", request->GetId()) == 0)
|
||||
{
|
||||
int j = 0;
|
||||
static char* data;
|
||||
data = (char*)RMD((byte *)SHA->GetHashData().data(),SHA->GetHashData().length(), key);
|
||||
for (int i = 0, j = 0; i < RMDsize / 8; i++)
|
||||
{
|
||||
data[j++] = chars[data[i] / 16];
|
||||
data[j++] = chars[data[i] % 16];
|
||||
data[j] = '\0';
|
||||
}
|
||||
return data;
|
||||
}
|
||||
else if (strcmp("NAME", request->GetId()) == 0)
|
||||
{
|
||||
return "ripemd160";
|
||||
}
|
||||
else if (strcmp("RESET", request->GetId()) == 0)
|
||||
{
|
||||
this->chars = "0123456789abcdef";
|
||||
this->key = NULL;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
virtual Version GetVersion()
|
||||
{
|
||||
return Version(1, 2, 0, 1, VF_VENDOR|VF_SERVICEPROVIDER, API_VERSION);
|
||||
}
|
||||
|
||||
};
|
Loading…
x
Reference in New Issue
Block a user