/* crypto/des/fcrypt.c */ /* Copyright (C) 1996 Eric Young (eay@mincom.oz.au) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@mincom.oz.au). * 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@mincom.oz.au). * * 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@mincom.oz.au)" * 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@mincom.oz.au)" * * 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 /* Eric Young. * This version of crypt has been developed from my MIT compatable * DES library. * The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au * eay@mincom.oz.au or eay@psych.psy.uq.oz.au */ /* Modification by Jens Kupferschmidt (Cu) * I have included directive PARA for shared memory computers. * I have included a directive LONGCRYPT to using this routine to cipher * passwords with more then 8 bytes like HP-UX 10.x it used. The MAXPLEN * definition is the maximum of lenght of password and can changed. I have * defined 24. */ #ifndef HEADER_DES_LOCL_H #if defined(NOCONST) #define const #endif /* I now assume that you have des.h available */ #include "des.h" #define ITERATIONS 16 #define HALF_ITERATIONS 8 #define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \ l|=((DES_LONG)(*((c)++)))<< 8, \ l|=((DES_LONG)(*((c)++)))<<16, \ l|=((DES_LONG)(*((c)++)))<<24) #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)) static const DES_LONG des_SPtrans[8][64]={ { /* nibble 0 */ 0x00820200L, 0x00020000L, 0x80800000L, 0x80820200L, 0x00800000L, 0x80020200L, 0x80020000L, 0x80800000L, 0x80020200L, 0x00820200L, 0x00820000L, 0x80000200L, 0x80800200L, 0x00800000L, 0x00000000L, 0x80020000L, 0x00020000L, 0x80000000L, 0x00800200L, 0x00020200L, 0x80820200L, 0x00820000L, 0x80000200L, 0x00800200L, 0x80000000L, 0x00000200L, 0x00020200L, 0x80820000L, 0x00000200L, 0x80800200L, 0x80820000L, 0x00000000L, 0x00000000L, 0x80820200L, 0x00800200L, 0x80020000L, 0x00820200L, 0x00020000L, 0x80000200L, 0x00800200L, 0x80820000L, 0x00000200L, 0x00020200L, 0x80800000L, 0x80020200L, 0x80000000L, 0x80800000L, 0x00820000L, 0x80820200L, 0x00020200L, 0x00820000L, 0x80800200L, 0x00800000L, 0x80000200L, 0x80020000L, 0x00000000L, 0x00020000L, 0x00800000L, 0x80800200L, 0x00820200L, 0x80000000L, 0x80820000L, 0x00000200L, 0x80020200L, },{ /* nibble 1 */ 0x10042004L, 0x00000000L, 0x00042000L, 0x10040000L, 0x10000004L, 0x00002004L, 0x10002000L, 0x00042000L, 0x00002000L, 0x10040004L, 0x00000004L, 0x10002000L, 0x00040004L, 0x10042000L, 0x10040000L, 0x00000004L, 0x00040000L, 0x10002004L, 0x10040004L, 0x00002000L, 0x00042004L, 0x10000000L, 0x00000000L, 0x00040004L, 0x10002004L, 0x00042004L, 0x10042000L, 0x10000004L, 0x10000000L, 0x00040000L, 0x00002004L, 0x10042004L, 0x00040004L, 0x10042000L, 0x10002000L, 0x00042004L, 0x10042004L, 0x00040004L, 0x10000004L, 0x00000000L, 0x10000000L, 0x00002004L, 0x00040000L, 0x10040004L, 0x00002000L, 0x10000000L, 0x00042004L, 0x10002004L, 0x10042000L, 0x00002000L, 0x00000000L, 0x10000004L, 0x00000004L, 0x10042004L, 0x00042000L, 0x10040000L, 0x10040004L, 0x00040000L, 0x00002004L, 0x10002000L, 0x10002004L, 0x00000004L, 0x10040000L, 0x00042000L, },{ /* nibble 2 */ 0x41000000L, 0x01010040L, 0x00000040L, 0x41000040L, 0x40010000L, 0x01000000L, 0x41000040L, 0x00010040L, 0x01000040L, 0x00010000L, 0x01010000L, 0x40000000L, 0x41010040L, 0x40000040L, 0x40000000L, 0x41010000L, 0x00000000L, 0x40010000L, 0x01010040L, 0x00000040L, 0x40000040L, 0x41010040L, 0x00010000L, 0x41000000L, 0x41010000L, 0x01000040L, 0x40010040L, 0x01010000L, 0x00010040L, 0x00000000L, 0x01000000L, 0x40010040L, 0x01010040L, 0x00000040L, 0x40000000L, 0x00010000L, 0x40000040L, 0x40010000L, 0x01010000L, 0x41000040L, 0x00000000L, 0x01010040L, 0x00010040L, 0x41010000L, 0x40010000L, 0x01000000L, 0x41010040L, 0x40000000L, 0x40010040L, 0x41000000L, 0x01000000L, 0x41010040L, 0x00010000L, 0x01000040L, 0x41000040L, 0x00010040L, 0x01000040L, 0x00000000L, 0x41010000L, 0x40000040L, 0x41000000L, 0x40010040L, 0x00000040L, 0x01010000L, },{ /* nibble 3 */ 0x00100402L, 0x04000400L, 0x00000002L, 0x04100402L, 0x00000000L, 0x04100000L, 0x04000402L, 0x00100002L, 0x04100400L, 0x04000002L, 0x04000000L, 0x00000402L, 0x04000002L, 0x00100402L, 0x00100000L, 0x04000000L, 0x04100002L, 0x00100400L, 0x00000400L, 0x00000002L, 0x00100400L, 0x04000402L, 0x04100000L, 0x00000400L, 0x00000402L, 0x00000000L, 0x00100002L, 0x04100400L, 0x04000400L, 0x04100002L, 0x04100402L, 0x00100000L, 0x04100002L, 0x00000402L, 0x00100000L, 0x04000002L, 0x00100400L, 0x04000400L, 0x00000002L, 0x04100000L, 0x04000402L, 0x00000000L, 0x00000400L, 0x00100002L, 0x00000000L, 0x04100002L, 0x04100400L, 0x00000400L, 0x04000000L, 0x04100402L, 0x00100402L, 0x00100000L, 0x04100402L, 0x00000002L, 0x04000400L, 0x00100402L, 0x00100002L, 0x00100400L, 0x04100000L, 0x04000402L, 0x00000402L, 0x04000000L, 0x04000002L, 0x04100400L, },{ /* nibble 4 */ 0x02000000L, 0x00004000L, 0x00000100L, 0x02004108L, 0x02004008L, 0x02000100L, 0x00004108L, 0x02004000L, 0x00004000L, 0x00000008L, 0x02000008L, 0x00004100L, 0x02000108L, 0x02004008L, 0x02004100L, 0x00000000L, 0x00004100L, 0x02000000L, 0x00004008L, 0x00000108L, 0x02000100L, 0x00004108L, 0x00000000L, 0x02000008L, 0x00000008L, 0x02000108L, 0x02004108L, 0x00004008L, 0x02004000L, 0x00000100L, 0x00000108L, 0x02004100L, 0x02004100L, 0x02000108L, 0x00004008L, 0x02004000L, 0x00004000L, 0x00000008L, 0x02000008L, 0x02000100L, 0x02000000L, 0x00004100L, 0x02004108L, 0x00000000L, 0x00004108L, 0x02000000L, 0x00000100L, 0x00004008L, 0x02000108L, 0x00000100L, 0x00000000L, 0x02004108L, 0x02004008L, 0x02004100L, 0x00000108L, 0x00004000L, 0x00004100L, 0x02004008L, 0x02000100L, 0x00000108L, 0x00000008L, 0x00004108L, 0x02004000L, 0x02000008L, },{ /* nibble 5 */ 0x20000010L, 0x00080010L, 0x00000000L, 0x20080800L, 0x00080010L, 0x00000800L, 0x20000810L, 0x00080000L, 0x00000810L, 0x20080810L, 0x00080800L, 0x20000000L, 0x20000800L, 0x20000010L, 0x20080000L, 0x00080810L, 0x00080000L, 0x20000810L, 0x20080010L, 0x00000000L, 0x00000800L, 0x00000010L, 0x20080800L, 0x20080010L, 0x20080810L, 0x20080000L, 0x20000000L, 0x00000810L, 0x00000010L, 0x00080800L, 0x00080810L, 0x20000800L, 0x00000810L, 0x20000000L, 0x20000800L, 0x00080810L, 0x20080800L, 0x00080010L, 0x00000000L, 0x20000800L, 0x20000000L, 0x00000800L, 0x20080010L, 0x00080000L, 0x00080010L, 0x20080810L, 0x00080800L, 0x00000010L, 0x20080810L, 0x00080800L, 0x00080000L, 0x20000810L, 0x20000010L, 0x20080000L, 0x00080810L, 0x00000000L, 0x00000800L, 0x20000010L, 0x20000810L, 0x20080800L, 0x20080000L, 0x00000810L, 0x00000010L, 0x20080010L, },{ /* nibble 6 */ 0x00001000L, 0x00000080L, 0x00400080L, 0x00400001L, 0x00401081L, 0x00001001L, 0x00001080L, 0x00000000L, 0x00400000L, 0x00400081L, 0x00000081L, 0x00401000L, 0x00000001L, 0x00401080L, 0x00401000L, 0x00000081L, 0x00400081L, 0x00001000L, 0x00001001L, 0x00401081L, 0x00000000L, 0x00400080L, 0x00400001L, 0x00001080L, 0x00401001L, 0x00001081L, 0x00401080L, 0x00000001L, 0x00001081L, 0x00401001L, 0x00000080L, 0x00400000L, 0x00001081L, 0x00401000L, 0x00401001L, 0x00000081L, 0x00001000L, 0x00000080L, 0x00400000L, 0x00401001L, 0x00400081L, 0x00001081L, 0x00001080L, 0x00000000L, 0x00000080L, 0x00400001L, 0x00000001L, 0x00400080L, 0x00000000L, 0x00400081L, 0x00400080L, 0x00001080L, 0x00000081L, 0x00001000L, 0x00401081L, 0x00400000L, 0x00401080L, 0x00000001L, 0x00001001L, 0x00401081L, 0x00400001L, 0x00401080L, 0x00401000L, 0x00001001L, },{ /* nibble 7 */ 0x08200020L, 0x08208000L, 0x00008020L, 0x00000000L, 0x08008000L, 0x00200020L, 0x08200000L, 0x08208020L, 0x00000020L, 0x08000000L, 0x00208000L, 0x00008020L, 0x00208020L, 0x08008020L, 0x08000020L, 0x08200000L, 0x00008000L, 0x00208020L, 0x00200020L, 0x08008000L, 0x08208020L, 0x08000020L, 0x00000000L, 0x00208000L, 0x08000000L, 0x00200000L, 0x08008020L, 0x08200020L, 0x00200000L, 0x00008000L, 0x08208000L, 0x00000020L, 0x00200000L, 0x00008000L, 0x08000020L, 0x08208020L, 0x00008020L, 0x08000000L, 0x00000000L, 0x00208000L, 0x08200020L, 0x08008020L, 0x08008000L, 0x00200020L, 0x08208000L, 0x00000020L, 0x00200020L, 0x08008000L, 0x08208020L, 0x00200000L, 0x08200000L, 0x08000020L, 0x00208000L, 0x00008020L, 0x08008020L, 0x08200000L, 0x00000020L, 0x08208000L, 0x00208020L, 0x00000000L, 0x08000000L, 0x08200020L, 0x00008000L, 0x00208020L}}; static const DES_LONG skb[8][64]={ { /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ 0x00000000L,0x00000010L,0x20000000L,0x20000010L, 0x00010000L,0x00010010L,0x20010000L,0x20010010L, 0x00000800L,0x00000810L,0x20000800L,0x20000810L, 0x00010800L,0x00010810L,0x20010800L,0x20010810L, 0x00000020L,0x00000030L,0x20000020L,0x20000030L, 0x00010020L,0x00010030L,0x20010020L,0x20010030L, 0x00000820L,0x00000830L,0x20000820L,0x20000830L, 0x00010820L,0x00010830L,0x20010820L,0x20010830L, 0x00080000L,0x00080010L,0x20080000L,0x20080010L, 0x00090000L,0x00090010L,0x20090000L,0x20090010L, 0x00080800L,0x00080810L,0x20080800L,0x20080810L, 0x00090800L,0x00090810L,0x20090800L,0x20090810L, 0x00080020L,0x00080030L,0x20080020L,0x20080030L, 0x00090020L,0x00090030L,0x20090020L,0x20090030L, 0x00080820L,0x00080830L,0x20080820L,0x20080830L, 0x00090820L,0x00090830L,0x20090820L,0x20090830L, },{ /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ 0x00000000L,0x02000000L,0x00002000L,0x02002000L, 0x00200000L,0x02200000L,0x00202000L,0x02202000L, 0x00000004L,0x02000004L,0x00002004L,0x02002004L, 0x00200004L,0x02200004L,0x00202004L,0x02202004L, 0x00000400L,0x02000400L,0x00002400L,0x02002400L, 0x00200400L,0x02200400L,0x00202400L,0x02202400L, 0x00000404L,0x02000404L,0x00002404L,0x02002404L, 0x00200404L,0x02200404L,0x00202404L,0x02202404L, 0x10000000L,0x12000000L,0x10002000L,0x12002000L, 0x10200000L,0x12200000L,0x10202000L,0x12202000L, 0x10000004L,0x12000004L,0x10002004L,0x12002004L, 0x10200004L,0x12200004L,0x10202004L,0x12202004L, 0x10000400L,0x12000400L,0x10002400L,0x12002400L, 0x10200400L,0x12200400L,0x10202400L,0x12202400L, 0x10000404L,0x12000404L,0x10002404L,0x12002404L, 0x10200404L,0x12200404L,0x10202404L,0x12202404L, },{ /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ 0x00000000L,0x00000001L,0x00040000L,0x00040001L, 0x01000000L,0x01000001L,0x01040000L,0x01040001L, 0x00000002L,0x00000003L,0x00040002L,0x00040003L, 0x01000002L,0x01000003L,0x01040002L,0x01040003L, 0x00000200L,0x00000201L,0x00040200L,0x00040201L, 0x01000200L,0x01000201L,0x01040200L,0x01040201L, 0x00000202L,0x00000203L,0x00040202L,0x00040203L, 0x01000202L,0x01000203L,0x01040202L,0x01040203L, 0x08000000L,0x08000001L,0x08040000L,0x08040001L, 0x09000000L,0x09000001L,0x09040000L,0x09040001L, 0x08000002L,0x08000003L,0x08040002L,0x08040003L, 0x09000002L,0x09000003L,0x09040002L,0x09040003L, 0x08000200L,0x08000201L,0x08040200L,0x08040201L, 0x09000200L,0x09000201L,0x09040200L,0x09040201L, 0x08000202L,0x08000203L,0x08040202L,0x08040203L, 0x09000202L,0x09000203L,0x09040202L,0x09040203L, },{ /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ 0x00000000L,0x00100000L,0x00000100L,0x00100100L, 0x00000008L,0x00100008L,0x00000108L,0x00100108L, 0x00001000L,0x00101000L,0x00001100L,0x00101100L, 0x00001008L,0x00101008L,0x00001108L,0x00101108L, 0x04000000L,0x04100000L,0x04000100L,0x04100100L, 0x04000008L,0x04100008L,0x04000108L,0x04100108L, 0x04001000L,0x04101000L,0x04001100L,0x04101100L, 0x04001008L,0x04101008L,0x04001108L,0x04101108L, 0x00020000L,0x00120000L,0x00020100L,0x00120100L, 0x00020008L,0x00120008L,0x00020108L,0x00120108L, 0x00021000L,0x00121000L,0x00021100L,0x00121100L, 0x00021008L,0x00121008L,0x00021108L,0x00121108L, 0x04020000L,0x04120000L,0x04020100L,0x04120100L, 0x04020008L,0x04120008L,0x04020108L,0x04120108L, 0x04021000L,0x04121000L,0x04021100L,0x04121100L, 0x04021008L,0x04121008L,0x04021108L,0x04121108L, },{ /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ 0x00000000L,0x10000000L,0x00010000L,0x10010000L, 0x00000004L,0x10000004L,0x00010004L,0x10010004L, 0x20000000L,0x30000000L,0x20010000L,0x30010000L, 0x20000004L,0x30000004L,0x20010004L,0x30010004L, 0x00100000L,0x10100000L,0x00110000L,0x10110000L, 0x00100004L,0x10100004L,0x00110004L,0x10110004L, 0x20100000L,0x30100000L,0x20110000L,0x30110000L, 0x20100004L,0x30100004L,0x20110004L,0x30110004L, 0x00001000L,0x10001000L,0x00011000L,0x10011000L, 0x00001004L,0x10001004L,0x00011004L,0x10011004L, 0x20001000L,0x30001000L,0x20011000L,0x30011000L, 0x20001004L,0x30001004L,0x20011004L,0x30011004L, 0x00101000L,0x10101000L,0x00111000L,0x10111000L, 0x00101004L,0x10101004L,0x00111004L,0x10111004L, 0x20101000L,0x30101000L,0x20111000L,0x30111000L, 0x20101004L,0x30101004L,0x20111004L,0x30111004L, },{ /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ 0x00000000L,0x08000000L,0x00000008L,0x08000008L, 0x00000400L,0x08000400L,0x00000408L,0x08000408L, 0x00020000L,0x08020000L,0x00020008L,0x08020008L, 0x00020400L,0x08020400L,0x00020408L,0x08020408L, 0x00000001L,0x08000001L,0x00000009L,0x08000009L, 0x00000401L,0x08000401L,0x00000409L,0x08000409L, 0x00020001L,0x08020001L,0x00020009L,0x08020009L, 0x00020401L,0x08020401L,0x00020409L,0x08020409L, 0x02000000L,0x0A000000L,0x02000008L,0x0A000008L, 0x02000400L,0x0A000400L,0x02000408L,0x0A000408L, 0x02020000L,0x0A020000L,0x02020008L,0x0A020008L, 0x02020400L,0x0A020400L,0x02020408L,0x0A020408L, 0x02000001L,0x0A000001L,0x02000009L,0x0A000009L, 0x02000401L,0x0A000401L,0x02000409L,0x0A000409L, 0x02020001L,0x0A020001L,0x02020009L,0x0A020009L, 0x02020401L,0x0A020401L,0x02020409L,0x0A020409L, },{ /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ 0x00000000L,0x00000100L,0x00080000L,0x00080100L, 0x01000000L,0x01000100L,0x01080000L,0x01080100L, 0x00000010L,0x00000110L,0x00080010L,0x00080110L, 0x01000010L,0x01000110L,0x01080010L,0x01080110L, 0x00200000L,0x00200100L,0x00280000L,0x00280100L, 0x01200000L,0x01200100L,0x01280000L,0x01280100L, 0x00200010L,0x00200110L,0x00280010L,0x00280110L, 0x01200010L,0x01200110L,0x01280010L,0x01280110L, 0x00000200L,0x00000300L,0x00080200L,0x00080300L, 0x01000200L,0x01000300L,0x01080200L,0x01080300L, 0x00000210L,0x00000310L,0x00080210L,0x00080310L, 0x01000210L,0x01000310L,0x01080210L,0x01080310L, 0x00200200L,0x00200300L,0x00280200L,0x00280300L, 0x01200200L,0x01200300L,0x01280200L,0x01280300L, 0x00200210L,0x00200310L,0x00280210L,0x00280310L, 0x01200210L,0x01200310L,0x01280210L,0x01280310L, },{ /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ 0x00000000L,0x04000000L,0x00040000L,0x04040000L, 0x00000002L,0x04000002L,0x00040002L,0x04040002L, 0x00002000L,0x04002000L,0x00042000L,0x04042000L, 0x00002002L,0x04002002L,0x00042002L,0x04042002L, 0x00000020L,0x04000020L,0x00040020L,0x04040020L, 0x00000022L,0x04000022L,0x00040022L,0x04040022L, 0x00002020L,0x04002020L,0x00042020L,0x04042020L, 0x00002022L,0x04002022L,0x00042022L,0x04042022L, 0x00000800L,0x04000800L,0x00040800L,0x04040800L, 0x00000802L,0x04000802L,0x00040802L,0x04040802L, 0x00002800L,0x04002800L,0x00042800L,0x04042800L, 0x00002802L,0x04002802L,0x00042802L,0x04042802L, 0x00000820L,0x04000820L,0x00040820L,0x04040820L, 0x00000822L,0x04000822L,0x00040822L,0x04040822L, 0x00002820L,0x04002820L,0x00042820L,0x04042820L, 0x00002822L,0x04002822L,0x00042822L,0x04042822L, } }; /* See ecb_encrypt.c for a pseudo description of these macros. */ #define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\ (b)^=(t),\ (a)^=((t)<<(n))) #define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\ (a)=(a)^(t)^(t>>(16-(n))))\ #endif #ifdef PARA #define STATIC #else #define STATIC static #endif #ifndef NOPROTO STATIC int fcrypt_body(DES_LONG *out0, DES_LONG *out1, des_key_schedule ks, DES_LONG Eswap0, DES_LONG Eswap1); #ifndef HEADER_DES_LOCL_H STATIC int fcrypt_set_key(des_cblock (*key), des_key_schedule schedule); #endif #else STATIC int fcrypt_body(); #ifndef HEADER_DES_LOCL_H STATIC int fcrypt_set_key(); #endif #endif #ifdef HEADER_DES_LOCL_H #define fcrypt_set_key(a,b) des_set_key(a,b) #else STATIC int fcrypt_set_key(key, schedule) des_cblock (*key); des_key_schedule schedule; { static const int shifts2[16]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0}; register DES_LONG c,d,t,s; register unsigned char *in; register DES_LONG *k; register int i; k=(DES_LONG *)schedule; in=(unsigned char *)key; c2l(in,c); c2l(in,d); /* I now do it in 47 simple operations :-) * Thanks to John Fletcher (john_fletcher@lccmail.ocf.llnl.gov) * for the inspiration. :-) */ PERM_OP (d,c,t,4,0x0f0f0f0fL); HPERM_OP(c,t,-2,0xcccc0000L); HPERM_OP(d,t,-2,0xcccc0000L); PERM_OP (d,c,t,1,0x55555555L); PERM_OP (c,d,t,8,0x00ff00ffL); PERM_OP (d,c,t,1,0x55555555L); d= (((d&0x000000ffL)<<16)| (d&0x0000ff00L) | ((d&0x00ff0000L)>>16)|((c&0xf0000000L)>>4)); c&=0x0fffffffL; for (i=0; i>2)|(c<<26)); d=((d>>2)|(d<<26)); } else { c=((c>>1)|(c<<27)); d=((d>>1)|(d<<27)); } c&=0x0fffffffL; d&=0x0fffffffL; /* could be a few less shifts but I am to lazy at this * point in time to investigate */ s= skb[0][ (c )&0x3f ]| skb[1][((c>> 6L)&0x03)|((c>> 7L)&0x3c)]| skb[2][((c>>13L)&0x0f)|((c>>14L)&0x30)]| skb[3][((c>>20L)&0x01)|((c>>21L)&0x06) | ((c>>22L)&0x38)]; t= skb[4][ (d )&0x3f ]| skb[5][((d>> 7L)&0x03)|((d>> 8L)&0x3c)]| skb[6][ (d>>15L)&0x3f ]| skb[7][((d>>21L)&0x0f)|((d>>22L)&0x30)]; /* table contained 0213 4657 */ *(k++)=((t<<16)|(s&0x0000ffffL))&0xffffffffL; s= ((s>>16)|(t&0xffff0000L)); s=(s<<4)|(s>>28); *(k++)=s&0xffffffffL; } return(0); } #endif /****************************************************************** * modified stuff for crypt. ******************************************************************/ /* The changes to this macro may help or hinder, depending on the * compiler and the achitecture. gcc2 always seems to do well :-). * Inspired by Dana How * DO NOT use the alternative version on machines with 8 byte longs. */ #ifdef DES_PTR #define CR_ENCRYPT(L,R,S) \ t=(R^(R>>16)); \ u=(t&E0); \ t=(t&E1); \ u=((u^(u<<16))^R^s[S ])<<2; \ t=(t^(t<<16))^R^s[S+1]; \ t=(t>>2)|(t<<30); \ L^= *(DES_LONG *)((unsigned char *)des_SP+0x0100+((t )&0xfc)); \ L^= *(DES_LONG *)((unsigned char *)des_SP+0x0300+((t>> 8)&0xfc)); \ L^= *(DES_LONG *)((unsigned char *)des_SP+0x0500+((t>>16)&0xfc)); \ L^= *(DES_LONG *)((unsigned char *)des_SP+0x0700+((t>>24)&0xfc)); \ L^= *(DES_LONG *)((unsigned char *)des_SP+ ((u )&0xfc)); \ L^= *(DES_LONG *)((unsigned char *)des_SP+0x0200+((u>> 8)&0xfc)); \ L^= *(DES_LONG *)((unsigned char *)des_SP+0x0400+((u>>16)&0xfc)); \ L^= *(DES_LONG *)((unsigned char *)des_SP+0x0600+((u>>24)&0xfc)); #else /* original version */ #define CR_ENCRYPT(L,R,S) \ t=(R^(R>>16)); \ u=(t&E0); \ t=(t&E1); \ u=(u^(u<<16))^R^s[S ]; \ t=(t^(t<<16))^R^s[S+1]; \ t=(t>>4)|(t<<28); \ L^= des_SPtrans[1][(t )&0x3f]; \ L^= des_SPtrans[3][(t>> 8)&0x3f]; \ L^= des_SPtrans[5][(t>>16)&0x3f]; \ L^= des_SPtrans[7][(t>>24)&0x3f]; \ L^= des_SPtrans[0][(u )&0x3f]; \ L^= des_SPtrans[2][(u>> 8)&0x3f]; \ L^= des_SPtrans[4][(u>>16)&0x3f]; \ L^= des_SPtrans[6][(u>>24)&0x3f]; #endif /* Added more values to handle illegal salt values the way normal * crypt() implementations do. The patch was sent by * Bjorn Gronvall */ static unsigned const char con_salt[128]={ 0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9, 0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,0xE0,0xE1, 0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9, 0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1, 0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9, 0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x00,0x01, 0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09, 0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A, 0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12, 0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A, 0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22, 0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24, 0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C, 0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34, 0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C, 0x3D,0x3E,0x3F,0x40,0x41,0x42,0x43,0x44, }; static unsigned const char cov_2char[64]={ 0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35, 0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44, 0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C, 0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54, 0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62, 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A, 0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72, 0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A }; #ifndef NOPROTO #ifdef PERL5 char *des_crypt(const char *buf,const char *salt); #else char *crypt(const char *buf,const char *salt); #endif #else #ifdef PERL5 char *des_crypt(); #else char *crypt(); #endif #endif #ifdef PERL5 char *des_crypt(buf,salt) #else char *crypt(buf,salt) #endif const char *buf; const char *salt; { static char buff[14]; return(des_fcrypt(buf,salt,buff)); } char *des_fcrypt(buf,salt,ret) const char *buf; const char *salt; char *ret; { unsigned int i,j,x,y; DES_LONG Eswap0,Eswap1; DES_LONG out[2],ll; des_cblock key; des_key_schedule ks; unsigned char bb[9]; unsigned char *b=bb; unsigned char c,u; /* eay 25/08/92 * If you call crypt("pwd","*") as often happens when you * have * as the pwd field in /etc/passwd, the function * returns *\0XXXXXXXXX * The \0 makes the string look like * so the pwd "*" would * crypt to "*". This was found when replacing the crypt in * our shared libraries. People found that the disbled * accounts effectivly had no passwd :-(. */ x=ret[0]=((salt[0] == '\0')?'A':salt[0]); Eswap0=con_salt[x]; x=ret[1]=((salt[1] == '\0')?'A':salt[1]); Eswap1=con_salt[x]<<4; /* EAY r=strlen(buf); r=(r+7)/8; */ for (i=0; i<8; i++) { c= *(buf++); if (!c) break; key[i]=(c<<1); } for (; i<8; i++) key[i]=0; fcrypt_set_key((des_cblock *)(key),ks); fcrypt_body(&(out[0]),&(out[1]),ks,Eswap0,Eswap1); ll=out[0]; l2c(ll,b); ll=out[1]; l2c(ll,b); y=0; u=0x80; bb[8]=0; for (i=2; i<13; i++) { c=0; for (j=0; j<6; j++) { c<<=1; if (bb[y] & u) c|=1; u>>=1; if (!u) { y++; u=0x80; } } ret[i]=cov_2char[c]; } ret[13]='\0'; return(ret); } STATIC int fcrypt_body(out0, out1, ks, Eswap0, Eswap1) DES_LONG *out0; DES_LONG *out1; des_key_schedule ks; DES_LONG Eswap0; DES_LONG Eswap1; { register DES_LONG l,r,t,u; #ifdef DES_PTR register unsigned char *des_SP=(unsigned char *)des_SPtrans; #endif register DES_LONG *s; register int i,j; register DES_LONG E0,E1; l=0; r=0; s=(DES_LONG *)ks; E0=Eswap0; E1=Eswap1; for (j=0; j<25; j++) { for (i=0; i<(ITERATIONS*2); i+=4) { CR_ENCRYPT(l,r, i); /* 1 */ CR_ENCRYPT(r,l, i+2); /* 2 */ } t=l; l=r; r=t; } t=r; r=(l>>1L)|(l<<31L); l=(t>>1L)|(t<<31L); /* clear the top bits on machines with 8byte longs */ l&=0xffffffffL; r&=0xffffffffL; PERM_OP(r,l,t, 1,0x55555555L); PERM_OP(l,r,t, 8,0x00ff00ffL); PERM_OP(r,l,t, 2,0x33333333L); PERM_OP(l,r,t,16,0x0000ffffL); PERM_OP(r,l,t, 4,0x0f0f0f0fL); *out0=l; *out1=r; return(0); }