--------------------- PatchSet 10570 Date: 2008/05/31 10:15:29 Author: serassio Branch: nt Tag: (none) Log: Changed the location of encrypt.c Members: lib/Makefile.am:1.7.8.7->1.7.8.8 lib/encrypt.c:1.1->1.1.98.1 port/win32/Makefile.am:1.1.14.16->1.1.14.17 port/win32/NCSA_auth/NCSA_auth.dsp:1.1.34.5->1.1.34.6 port/win32/src/encrypt.c:1.1.38.1->1.1.38.2(DEAD) Index: squid/lib/Makefile.am =================================================================== RCS file: /cvsroot/squid-sf//squid/lib/Makefile.am,v retrieving revision 1.7.8.7 retrieving revision 1.7.8.8 diff -u -r1.7.8.7 -r1.7.8.8 --- squid/lib/Makefile.am 1 May 2008 18:52:53 -0000 1.7.8.7 +++ squid/lib/Makefile.am 31 May 2008 10:15:29 -0000 1.7.8.8 @@ -35,8 +35,12 @@ libntlmauth.a \ @LIBREGEX@ \ $(LIBSSPWIN32) +# +# dirent.c, ecnrypt.c and getopt.c are needed for native Windows support. +# EXTRA_libmiscutil_a_SOURCES = \ dirent.c \ + encrypt.c \ getopt.c \ snprintf.c \ strsep.c \ --- /dev/null 2008-06-01 00:26:19.000000000 +0000 +++ squid/lib/encrypt.c 2008-06-01 00:26:19.885320314 +0000 @@ -0,0 +1,323 @@ +/* encrypt.c - providing 56 bit DES encryption + Copyright (C) 1991 Jochen Obalek + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include +#include +#include + +#define BS 64 +#define BS2 32 +#define KS 48 +#define KS2 24 +#define IS 56 +#define IS2 28 + +static char schluessel[16][KS]; + + +static char PC1[] = +{ + 56, 48, 40, 32, 24, 16, 8, 0, + 57, 49, 41, 33, 25, 17, 9, 1, + 58, 50, 42, 34, 26, 18, 10, 2, + 59, 51, 43, 35, + 62, 54, 46, 38, 30, 22, 14, 6, + 61, 53, 45, 37, 29, 21, 13, 5, + 60, 52, 44, 36, 28, 20, 12, 4, + 27, 19, 11, 3 +}; + + +static char PC2[] = +{ + 13, 16, 10, 23, 0, 4, 2, 27, + 14, 5, 20, 9, 22, 18, 11, 3, + 25, 7, 15, 6, 26, 19, 12, 1, + 40, 51, 30, 36, 46, 54, 29, 39, + 50, 44, 32, 47, 43, 48, 38, 55, + 33, 52, 45, 41, 49, 35, 28, 31 +}; + + +static char IP[] = +{ + 57, 49, 41, 33, 25, 17, 9, 1, + 59, 51, 43, 35, 27, 19, 11, 3, + 61, 53, 45, 37, 29, 21, 13, 5, + 63, 55, 47, 39, 31, 23, 15, 7, + 56, 48, 40, 32, 24, 16, 8, 0, + 58, 50, 42, 34, 26, 18, 10, 2, + 60, 52, 44, 36, 28, 20, 12, 4, + 62, 54, 46, 38, 30, 22, 14, 6 +}; + + +static char EP[] = +{ + 7, 39, 15, 47, 23, 55, 31, 63, + 6, 38, 14, 46, 22, 54, 30, 62, + 5, 37, 13, 45, 21, 53, 29, 61, + 4, 36, 12, 44, 20, 52, 28, 60, + 3, 35, 11, 43, 19, 51, 27, 59, + 2, 34, 10, 42, 18, 50, 26, 58, + 1, 33, 9, 41, 17, 49, 25, 57, + 0, 32, 8, 40, 16, 48, 24, 56 +}; + + +static char E0[] = +{ + 31, 0, 1, 2, 3, 4, 3, 4, + 5, 6, 7, 8, 7, 8, 9, 10, + 11, 12, 11, 12, 13, 14, 15, 16, + 15, 16, 17, 18, 19, 20, 19, 20, + 21, 22, 23, 24, 23, 24, 25, 26, + 27, 28, 27, 28, 29, 30, 31, 0 +}; + + +static char E[KS]; + + +static char PERM[] = +{ + 15, 6, 19, 20, 28, 11, 27, 16, + 0, 14, 22, 25, 4, 17, 30, 9, + 1, 7, 23, 13, 31, 26, 2, 8, + 18, 12, 29, 5, 21, 10, 3, 24 +}; + + +static char S_BOX[][64] = +{ + { + 14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1, + 3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8, + 4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7, + 15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13 + }, + { + 15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14, + 9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5, + 0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2, + 5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9 + }, + { + 10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10, + 1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1, + 13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7, + 11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12 + }, + { + 7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3, + 1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9, + 10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8, + 15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14 + }, + { + 2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1, + 8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6, + 4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13, + 15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3 + }, + { + 12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5, + 0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8, + 9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10, + 7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13 + }, + { + 4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10, + 3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6, + 1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7, + 10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12 + }, + { + 13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4, + 10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2, + 7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13, + 0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11 + } +}; + +static void +perm (a, e, pc, n) + register char *a, *e; + register char *pc; + int n; +{ + for (; n--; pc++, a++) + *a = e[*pc]; +} + +static void +crypt_main (nachr_l, nachr_r, schl) + register char *nachr_l, *nachr_r; + register char *schl; +{ + char tmp[KS]; + register int sbval; + register char *tp = tmp; + register char *e = E; + register int i, j; + + for (i = 0; i < 8; i++) + { + for (j = 0, sbval = 0; j < 6; j++) + sbval = (sbval << 1) | (nachr_r[*e++] ^ *schl++); + sbval = S_BOX[i][sbval]; + for (tp += 4, j = 4; j--; sbval >>= 1) + *--tp = sbval & 1; + tp += 4; + } + + e = PERM; + for (i = 0; i < BS2; i++) + *nachr_l++ ^= tmp[*e++]; +} + +void +encrypt (char *nachr, int decr) +{ + char (*schl)[KS] = decr ? schluessel + 15 : schluessel; + char tmp[BS]; + int i; + + perm (tmp, nachr, IP, BS); + + for (i = 8; i--;) + { + crypt_main (tmp, tmp + BS2, *schl); + if (decr) + schl--; + else + schl++; + crypt_main (tmp + BS2, tmp, *schl); + if (decr) + schl--; + else + schl++; + } + + perm (nachr, tmp, EP, BS); +} + +void +setkey (char *schl) +{ + char tmp1[IS]; + register unsigned int ls = 0x7efc; + register int i, j, k; + register int shval = 0; + register char *akt_schl; + + memcpy (E, E0, KS); + perm (tmp1, schl, PC1, IS); + + for (i = 0; i < 16; i++) + { + shval += 1 + (ls & 1); + akt_schl = schluessel[i]; + for (j = 0; j < KS; j++) + { + if ((k = PC2[j]) >= IS2) + { + if ((k += shval) >= IS) + k = (k - IS2) % IS2 + IS2; + } + else if ((k += shval) >= IS2) + k %= IS2; + *akt_schl++ = tmp1[k]; + } + ls >>= 1; + } +} + +char * +crypt (const char *wort, const char *salt) +{ + static char retkey[14]; + char key[BS + 2]; + char *k; + int tmp, keybyte; + int i, j; + + memset (key, 0, BS + 2); + + for (k = key, i = 0; i < BS; i++) + { + if (!(keybyte = *wort++)) + break; + k += 7; + for (j = 0; j < 7; j++, i++) + { + *--k = keybyte & 1; + keybyte >>= 1; + } + k += 8; + } + + setkey (key); + memset (key, 0, BS + 2); + + for (k = E, i = 0; i < 2; i++) + { + retkey[i] = keybyte = *salt++; + if (keybyte > 'Z') + keybyte -= 'a' - 'Z' - 1; + if (keybyte > '9') + keybyte -= 'A' - '9' - 1; + keybyte -= '.'; + + for (j = 0; j < 6; j++, keybyte >>= 1, k++) + { + if (!(keybyte & 1)) + continue; + tmp = *k; + *k = k[24]; + k[24] = tmp; + } + } + + for (i = 0; i < 25; i++) + encrypt (key, 0); + + for (k = key, i = 0; i < 11; i++) + { + for (j = keybyte = 0; j < 6; j++) + { + keybyte <<= 1; + keybyte |= *k++; + } + + keybyte += '.'; + if (keybyte > '9') + keybyte += 'A' - '9' - 1; + if (keybyte > 'Z') + keybyte += 'a' - 'Z' - 1; + retkey[i + 2] = keybyte; + } + + retkey[i + 2] = 0; + + if (!retkey[1]) + retkey[1] = *retkey; + + return retkey; +} + + Index: squid/port/win32/Makefile.am =================================================================== RCS file: /cvsroot/squid-sf//squid/port/win32/Attic/Makefile.am,v retrieving revision 1.1.14.16 retrieving revision 1.1.14.17 diff -u -r1.1.14.16 -r1.1.14.17 --- squid/port/win32/Makefile.am 7 May 2008 19:56:49 -0000 1.1.14.16 +++ squid/port/win32/Makefile.am 31 May 2008 10:15:29 -0000 1.1.14.17 @@ -1,6 +1,6 @@ ## Process this file with automake to produce Makefile.in # -# $Id: Makefile.am,v 1.1.14.16 2008/05/07 19:56:49 serassio Exp $ +# $Id: Makefile.am,v 1.1.14.17 2008/05/31 10:15:29 serassio Exp $ # EXTRA_DIST = \ @@ -68,6 +68,5 @@ squid_radius_auth/squid_radius_auth.dsp \ squid_session/squid_session.dsp \ squidclient/squidclient.dsp \ - src/encrypt.c \ unlinkd/unlinkd.dsp \ win32_check_group/win32_check_group.dsp Index: squid/port/win32/NCSA_auth/NCSA_auth.dsp =================================================================== RCS file: /cvsroot/squid-sf//squid/port/win32/NCSA_auth/Attic/NCSA_auth.dsp,v retrieving revision 1.1.34.5 retrieving revision 1.1.34.6 diff -u -r1.1.34.5 -r1.1.34.6 --- squid/port/win32/NCSA_auth/NCSA_auth.dsp 8 Mar 2008 22:51:52 -0000 1.1.34.5 +++ squid/port/win32/NCSA_auth/NCSA_auth.dsp 31 May 2008 10:15:29 -0000 1.1.34.6 @@ -92,7 +92,7 @@ # End Source File # Begin Source File -SOURCE=..\src\encrypt.c +SOURCE=..\..\..\lib\encrypt.c # End Source File # Begin Source File --- squid/port/win32/src/encrypt.c 2008-06-01 00:26:19.991747581 +0000 +++ /dev/null 2008-06-01 00:26:19.000000000 +0000 @@ -1,323 +0,0 @@ -/* encrypt.c - providing 56 bit DES encryption - Copyright (C) 1991 Jochen Obalek - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include -#include -#include - -#define BS 64 -#define BS2 32 -#define KS 48 -#define KS2 24 -#define IS 56 -#define IS2 28 - -static char schluessel[16][KS]; - - -static char PC1[] = -{ - 56, 48, 40, 32, 24, 16, 8, 0, - 57, 49, 41, 33, 25, 17, 9, 1, - 58, 50, 42, 34, 26, 18, 10, 2, - 59, 51, 43, 35, - 62, 54, 46, 38, 30, 22, 14, 6, - 61, 53, 45, 37, 29, 21, 13, 5, - 60, 52, 44, 36, 28, 20, 12, 4, - 27, 19, 11, 3 -}; - - -static char PC2[] = -{ - 13, 16, 10, 23, 0, 4, 2, 27, - 14, 5, 20, 9, 22, 18, 11, 3, - 25, 7, 15, 6, 26, 19, 12, 1, - 40, 51, 30, 36, 46, 54, 29, 39, - 50, 44, 32, 47, 43, 48, 38, 55, - 33, 52, 45, 41, 49, 35, 28, 31 -}; - - -static char IP[] = -{ - 57, 49, 41, 33, 25, 17, 9, 1, - 59, 51, 43, 35, 27, 19, 11, 3, - 61, 53, 45, 37, 29, 21, 13, 5, - 63, 55, 47, 39, 31, 23, 15, 7, - 56, 48, 40, 32, 24, 16, 8, 0, - 58, 50, 42, 34, 26, 18, 10, 2, - 60, 52, 44, 36, 28, 20, 12, 4, - 62, 54, 46, 38, 30, 22, 14, 6 -}; - - -static char EP[] = -{ - 7, 39, 15, 47, 23, 55, 31, 63, - 6, 38, 14, 46, 22, 54, 30, 62, - 5, 37, 13, 45, 21, 53, 29, 61, - 4, 36, 12, 44, 20, 52, 28, 60, - 3, 35, 11, 43, 19, 51, 27, 59, - 2, 34, 10, 42, 18, 50, 26, 58, - 1, 33, 9, 41, 17, 49, 25, 57, - 0, 32, 8, 40, 16, 48, 24, 56 -}; - - -static char E0[] = -{ - 31, 0, 1, 2, 3, 4, 3, 4, - 5, 6, 7, 8, 7, 8, 9, 10, - 11, 12, 11, 12, 13, 14, 15, 16, - 15, 16, 17, 18, 19, 20, 19, 20, - 21, 22, 23, 24, 23, 24, 25, 26, - 27, 28, 27, 28, 29, 30, 31, 0 -}; - - -static char E[KS]; - - -static char PERM[] = -{ - 15, 6, 19, 20, 28, 11, 27, 16, - 0, 14, 22, 25, 4, 17, 30, 9, - 1, 7, 23, 13, 31, 26, 2, 8, - 18, 12, 29, 5, 21, 10, 3, 24 -}; - - -static char S_BOX[][64] = -{ - { - 14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1, - 3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8, - 4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7, - 15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13 - }, - { - 15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14, - 9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5, - 0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2, - 5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9 - }, - { - 10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10, - 1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1, - 13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7, - 11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12 - }, - { - 7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3, - 1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9, - 10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8, - 15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14 - }, - { - 2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1, - 8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6, - 4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13, - 15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3 - }, - { - 12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5, - 0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8, - 9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10, - 7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13 - }, - { - 4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10, - 3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6, - 1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7, - 10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12 - }, - { - 13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4, - 10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2, - 7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13, - 0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11 - } -}; - -static void -perm (a, e, pc, n) - register char *a, *e; - register char *pc; - int n; -{ - for (; n--; pc++, a++) - *a = e[*pc]; -} - -static void -crypt_main (nachr_l, nachr_r, schl) - register char *nachr_l, *nachr_r; - register char *schl; -{ - char tmp[KS]; - register int sbval; - register char *tp = tmp; - register char *e = E; - register int i, j; - - for (i = 0; i < 8; i++) - { - for (j = 0, sbval = 0; j < 6; j++) - sbval = (sbval << 1) | (nachr_r[*e++] ^ *schl++); - sbval = S_BOX[i][sbval]; - for (tp += 4, j = 4; j--; sbval >>= 1) - *--tp = sbval & 1; - tp += 4; - } - - e = PERM; - for (i = 0; i < BS2; i++) - *nachr_l++ ^= tmp[*e++]; -} - -void -encrypt (char *nachr, int decr) -{ - char (*schl)[KS] = decr ? schluessel + 15 : schluessel; - char tmp[BS]; - int i; - - perm (tmp, nachr, IP, BS); - - for (i = 8; i--;) - { - crypt_main (tmp, tmp + BS2, *schl); - if (decr) - schl--; - else - schl++; - crypt_main (tmp + BS2, tmp, *schl); - if (decr) - schl--; - else - schl++; - } - - perm (nachr, tmp, EP, BS); -} - -void -setkey (char *schl) -{ - char tmp1[IS]; - register unsigned int ls = 0x7efc; - register int i, j, k; - register int shval = 0; - register char *akt_schl; - - memcpy (E, E0, KS); - perm (tmp1, schl, PC1, IS); - - for (i = 0; i < 16; i++) - { - shval += 1 + (ls & 1); - akt_schl = schluessel[i]; - for (j = 0; j < KS; j++) - { - if ((k = PC2[j]) >= IS2) - { - if ((k += shval) >= IS) - k = (k - IS2) % IS2 + IS2; - } - else if ((k += shval) >= IS2) - k %= IS2; - *akt_schl++ = tmp1[k]; - } - ls >>= 1; - } -} - -char * -crypt (const char *wort, const char *salt) -{ - static char retkey[14]; - char key[BS + 2]; - char *k; - int tmp, keybyte; - int i, j; - - memset (key, 0, BS + 2); - - for (k = key, i = 0; i < BS; i++) - { - if (!(keybyte = *wort++)) - break; - k += 7; - for (j = 0; j < 7; j++, i++) - { - *--k = keybyte & 1; - keybyte >>= 1; - } - k += 8; - } - - setkey (key); - memset (key, 0, BS + 2); - - for (k = E, i = 0; i < 2; i++) - { - retkey[i] = keybyte = *salt++; - if (keybyte > 'Z') - keybyte -= 'a' - 'Z' - 1; - if (keybyte > '9') - keybyte -= 'A' - '9' - 1; - keybyte -= '.'; - - for (j = 0; j < 6; j++, keybyte >>= 1, k++) - { - if (!(keybyte & 1)) - continue; - tmp = *k; - *k = k[24]; - k[24] = tmp; - } - } - - for (i = 0; i < 25; i++) - encrypt (key, 0); - - for (k = key, i = 0; i < 11; i++) - { - for (j = keybyte = 0; j < 6; j++) - { - keybyte <<= 1; - keybyte |= *k++; - } - - keybyte += '.'; - if (keybyte > '9') - keybyte += 'A' - '9' - 1; - if (keybyte > 'Z') - keybyte += 'a' - 'Z' - 1; - retkey[i + 2] = keybyte; - } - - retkey[i + 2] = 0; - - if (!retkey[1]) - retkey[1] = *retkey; - - return retkey; -} - -