From: Eric Young Subject: Re: Encryption anyone, anyone? To: Bill Middleton In-Reply-To: <199307281646.AA01170@feenix.metronet.com> Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Status: OR On Wed, 28 Jul 1993, Bill Middleton wrote: > Would you please? As i remember, the c.l.p announcement had the > ftp site only. Ok, here it comes, BTW I did post it a few days later, it may not have gotten to you :-( eric #!/bin/sh # Part 1 # This is a shell archive, meaning: # 1. Remove everything above the #! /bin/sh line. # 2. Save the resulting text in a file. # 3. Execute the file with /bin/sh (not csh) to create: PATH=/bin:/usr/bin:/etc:/usr/etc:/usr/ucb; export PATH echo shar: extracting "'des.pl'" if test -f 'des.pl' then echo shar: will not over-write existing file "'des.pl'" else sed 's/^X//' << 'SHAR_EOF' >'des.pl' X#!/usr/local/bin/perl X# Copyright (C) 1992 Eric Young X# des.pl - eric young 22/11/1991 eay@psych.psy.uq.oz.au X# eay - 92/08/31 - I think I have fixed all problems for 64bit X# versions of perl but I could be wrong since I have not tested it yet :-). X# X# This is an implementation of DES in perl. X# The two routines (des_set_key and des_ecb_encrypt) X# take 8 byte objects as arguments. X# X# des_set_key takes an 8 byte string as a key and returns a key schedule X# for use in calls to des_ecb_encrypt. X# des_ecb_encrypt takes three arguments, the first is a key schedule X# (make sure to pass it by reference with the *), the second is 1 X# to encrypt, 0 to decrypt. The third argument is an 8 byte object X# to encrypt. The function returns an 8 byte object that has been X# DES encrypted. X# X# example: X# require 'des.pl' X# X# $key =pack("C8",0x12,0x23,0x45,0x67,0x89,0xab,0xcd,0xef); X# @ks= &des_set_key($key); X# X# $outbytes= &des_ecb_encrypt(*ks,1,$data); X# @enc =unpack("C8",$outbytes); X# X Xpackage des; X X# The following 8 arrays are used in des_set_key X@skb0=( X# for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 X0x00000000,0x00000010,0x20000000,0x20000010, X0x00010000,0x00010010,0x20010000,0x20010010, X0x00000800,0x00000810,0x20000800,0x20000810, X0x00010800,0x00010810,0x20010800,0x20010810, X0x00000020,0x00000030,0x20000020,0x20000030, X0x00010020,0x00010030,0x20010020,0x20010030, X0x00000820,0x00000830,0x20000820,0x20000830, X0x00010820,0x00010830,0x20010820,0x20010830, X0x00080000,0x00080010,0x20080000,0x20080010, X0x00090000,0x00090010,0x20090000,0x20090010, X0x00080800,0x00080810,0x20080800,0x20080810, X0x00090800,0x00090810,0x20090800,0x20090810, X0x00080020,0x00080030,0x20080020,0x20080030, X0x00090020,0x00090030,0x20090020,0x20090030, X0x00080820,0x00080830,0x20080820,0x20080830, X0x00090820,0x00090830,0x20090820,0x20090830, X); X@skb1=( X# for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 X0x00000000,0x02000000,0x00002000,0x02002000, X0x00200000,0x02200000,0x00202000,0x02202000, X0x00000004,0x02000004,0x00002004,0x02002004, X0x00200004,0x02200004,0x00202004,0x02202004, X0x00000400,0x02000400,0x00002400,0x02002400, X0x00200400,0x02200400,0x00202400,0x02202400, X0x00000404,0x02000404,0x00002404,0x02002404, X0x00200404,0x02200404,0x00202404,0x02202404, X0x10000000,0x12000000,0x10002000,0x12002000, X0x10200000,0x12200000,0x10202000,0x12202000, X0x10000004,0x12000004,0x10002004,0x12002004, X0x10200004,0x12200004,0x10202004,0x12202004, X0x10000400,0x12000400,0x10002400,0x12002400, X0x10200400,0x12200400,0x10202400,0x12202400, X0x10000404,0x12000404,0x10002404,0x12002404, X0x10200404,0x12200404,0x10202404,0x12202404, X); X@skb2=( X# for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 X0x00000000,0x00000001,0x00040000,0x00040001, X0x01000000,0x01000001,0x01040000,0x01040001, X0x00000002,0x00000003,0x00040002,0x00040003, X0x01000002,0x01000003,0x01040002,0x01040003, X0x00000200,0x00000201,0x00040200,0x00040201, X0x01000200,0x01000201,0x01040200,0x01040201, X0x00000202,0x00000203,0x00040202,0x00040203, X0x01000202,0x01000203,0x01040202,0x01040203, X0x08000000,0x08000001,0x08040000,0x08040001, X0x09000000,0x09000001,0x09040000,0x09040001, X0x08000002,0x08000003,0x08040002,0x08040003, X0x09000002,0x09000003,0x09040002,0x09040003, X0x08000200,0x08000201,0x08040200,0x08040201, X0x09000200,0x09000201,0x09040200,0x09040201, X0x08000202,0x08000203,0x08040202,0x08040203, X0x09000202,0x09000203,0x09040202,0x09040203, X); X@skb3=( X# for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 X0x00000000,0x00100000,0x00000100,0x00100100, X0x00000008,0x00100008,0x00000108,0x00100108, X0x00001000,0x00101000,0x00001100,0x00101100, X0x00001008,0x00101008,0x00001108,0x00101108, X0x04000000,0x04100000,0x04000100,0x04100100, X0x04000008,0x04100008,0x04000108,0x04100108, X0x04001000,0x04101000,0x04001100,0x04101100, X0x04001008,0x04101008,0x04001108,0x04101108, X0x00020000,0x00120000,0x00020100,0x00120100, X0x00020008,0x00120008,0x00020108,0x00120108, X0x00021000,0x00121000,0x00021100,0x00121100, X0x00021008,0x00121008,0x00021108,0x00121108, X0x04020000,0x04120000,0x04020100,0x04120100, X0x04020008,0x04120008,0x04020108,0x04120108, X0x04021000,0x04121000,0x04021100,0x04121100, X0x04021008,0x04121008,0x04021108,0x04121108, X); X@skb4=( X# for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 X0x00000000,0x10000000,0x00010000,0x10010000, X0x00000004,0x10000004,0x00010004,0x10010004, X0x20000000,0x30000000,0x20010000,0x30010000, X0x20000004,0x30000004,0x20010004,0x30010004, X0x00100000,0x10100000,0x00110000,0x10110000, X0x00100004,0x10100004,0x00110004,0x10110004, X0x20100000,0x30100000,0x20110000,0x30110000, X0x20100004,0x30100004,0x20110004,0x30110004, X0x00001000,0x10001000,0x00011000,0x10011000, X0x00001004,0x10001004,0x00011004,0x10011004, X0x20001000,0x30001000,0x20011000,0x30011000, X0x20001004,0x30001004,0x20011004,0x30011004, X0x00101000,0x10101000,0x00111000,0x10111000, X0x00101004,0x10101004,0x00111004,0x10111004, X0x20101000,0x30101000,0x20111000,0x30111000, X0x20101004,0x30101004,0x20111004,0x30111004, X); X@skb5=( X# for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 X0x00000000,0x08000000,0x00000008,0x08000008, X0x00000400,0x08000400,0x00000408,0x08000408, X0x00020000,0x08020000,0x00020008,0x08020008, X0x00020400,0x08020400,0x00020408,0x08020408, X0x00000001,0x08000001,0x00000009,0x08000009, X0x00000401,0x08000401,0x00000409,0x08000409, X0x00020001,0x08020001,0x00020009,0x08020009, X0x00020401,0x08020401,0x00020409,0x08020409, X0x02000000,0x0A000000,0x02000008,0x0A000008, X0x02000400,0x0A000400,0x02000408,0x0A000408, X0x02020000,0x0A020000,0x02020008,0x0A020008, X0x02020400,0x0A020400,0x02020408,0x0A020408, X0x02000001,0x0A000001,0x02000009,0x0A000009, X0x02000401,0x0A000401,0x02000409,0x0A000409, X0x02020001,0x0A020001,0x02020009,0x0A020009, X0x02020401,0x0A020401,0x02020409,0x0A020409, X); X@skb6=( X# for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 X0x00000000,0x00000100,0x00080000,0x00080100, X0x01000000,0x01000100,0x01080000,0x01080100, X0x00000010,0x00000110,0x00080010,0x00080110, X0x01000010,0x01000110,0x01080010,0x01080110, X0x00200000,0x00200100,0x00280000,0x00280100, X0x01200000,0x01200100,0x01280000,0x01280100, X0x00200010,0x00200110,0x00280010,0x00280110, X0x01200010,0x01200110,0x01280010,0x01280110, X0x00000200,0x00000300,0x00080200,0x00080300, X0x01000200,0x01000300,0x01080200,0x01080300, X0x00000210,0x00000310,0x00080210,0x00080310, X0x01000210,0x01000310,0x01080210,0x01080310, X0x00200200,0x00200300,0x00280200,0x00280300, X0x01200200,0x01200300,0x01280200,0x01280300, X0x00200210,0x00200310,0x00280210,0x00280310, X0x01200210,0x01200310,0x01280210,0x01280310, X); X@skb7=( X# for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 X0x00000000,0x04000000,0x00040000,0x04040000, X0x00000002,0x04000002,0x00040002,0x04040002, X0x00002000,0x04002000,0x00042000,0x04042000, X0x00002002,0x04002002,0x00042002,0x04042002, X0x00000020,0x04000020,0x00040020,0x04040020, X0x00000022,0x04000022,0x00040022,0x04040022, X0x00002020,0x04002020,0x00042020,0x04042020, X0x00002022,0x04002022,0x00042022,0x04042022, X0x00000800,0x04000800,0x00040800,0x04040800, X0x00000802,0x04000802,0x00040802,0x04040802, X0x00002800,0x04002800,0x00042800,0x04042800, X0x00002802,0x04002802,0x00042802,0x04042802, X0x00000820,0x04000820,0x00040820,0x04040820, X0x00000822,0x04000822,0x00040822,0x04040822, X0x00002820,0x04002820,0x00042820,0x04042820, X0x00002822,0x04002822,0x00042822,0x04042822, X); X X@shifts2=(0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0); X X# used in ecb_encrypt X@SP0=( X0x00410100, 0x00010000, 0x40400000, 0x40410100, X0x00400000, 0x40010100, 0x40010000, 0x40400000, X0x40010100, 0x00410100, 0x00410000, 0x40000100, X0x40400100, 0x00400000, 0x00000000, 0x40010000, X0x00010000, 0x40000000, 0x00400100, 0x00010100, X0x40410100, 0x00410000, 0x40000100, 0x00400100, X0x40000000, 0x00000100, 0x00010100, 0x40410000, X0x00000100, 0x40400100, 0x40410000, 0x00000000, X0x00000000, 0x40410100, 0x00400100, 0x40010000, X0x00410100, 0x00010000, 0x40000100, 0x00400100, X0x40410000, 0x00000100, 0x00010100, 0x40400000, X0x40010100, 0x40000000, 0x40400000, 0x00410000, X0x40410100, 0x00010100, 0x00410000, 0x40400100, X0x00400000, 0x40000100, 0x40010000, 0x00000000, X0x00010000, 0x00400000, 0x40400100, 0x00410100, X0x40000000, 0x40410000, 0x00000100, 0x40010100, X); X@SP1=( X0x08021002, 0x00000000, 0x00021000, 0x08020000, X0x08000002, 0x00001002, 0x08001000, 0x00021000, X0x00001000, 0x08020002, 0x00000002, 0x08001000, X0x00020002, 0x08021000, 0x08020000, 0x00000002, X0x00020000, 0x08001002, 0x08020002, 0x00001000, X0x00021002, 0x08000000, 0x00000000, 0x00020002, X0x08001002, 0x00021002, 0x08021000, 0x08000002, X0x08000000, 0x00020000, 0x00001002, 0x08021002, X0x00020002, 0x08021000, 0x08001000, 0x00021002, X0x08021002, 0x00020002, 0x08000002, 0x00000000, X0x08000000, 0x00001002, 0x00020000, 0x08020002, X0x00001000, 0x08000000, 0x00021002, 0x08001002, X0x08021000, 0x00001000, 0x00000000, 0x08000002, X0x00000002, 0x08021002, 0x00021000, 0x08020000, X0x08020002, 0x00020000, 0x00001002, 0x08001000, X0x08001002, 0x00000002, 0x08020000, 0x00021000, X); X@SP2=( X0x20800000, 0x00808020, 0x00000020, 0x20800020, X0x20008000, 0x00800000, 0x20800020, 0x00008020, X0x00800020, 0x00008000, 0x00808000, 0x20000000, X0x20808020, 0x20000020, 0x20000000, 0x20808000, X0x00000000, 0x20008000, 0x00808020, 0x00000020, X0x20000020, 0x20808020, 0x00008000, 0x20800000, X0x20808000, 0x00800020, 0x20008020, 0x00808000, X0x00008020, 0x00000000, 0x00800000, 0x20008020, X0x00808020, 0x00000020, 0x20000000, 0x00008000, X0x20000020, 0x20008000, 0x00808000, 0x20800020, X0x00000000, 0x00808020, 0x00008020, 0x20808000, X0x20008000, 0x00800000, 0x20808020, 0x20000000, X0x20008020, 0x20800000, 0x00800000, 0x20808020, X0x00008000, 0x00800020, 0x20800020, 0x00008020, X0x00800020, 0x00000000, 0x20808000, 0x20000020, X0x20800000, 0x20008020, 0x00000020, 0x00808000, X); X@SP3=( X0x00080201, 0x02000200, 0x00000001, 0x02080201, X0x00000000, 0x02080000, 0x02000201, 0x00080001, X0x02080200, 0x02000001, 0x02000000, 0x00000201, X0x02000001, 0x00080201, 0x00080000, 0x02000000, X0x02080001, 0x00080200, 0x00000200, 0x00000001, X0x00080200, 0x02000201, 0x02080000, 0x00000200, X0x00000201, 0x00000000, 0x00080001, 0x02080200, X0x02000200, 0x02080001, 0x02080201, 0x00080000, X0x02080001, 0x00000201, 0x00080000, 0x02000001, X0x00080200, 0x02000200, 0x00000001, 0x02080000, X0x02000201, 0x00000000, 0x00000200, 0x00080001, X0x00000000, 0x02080001, 0x02080200, 0x00000200, X0x02000000, 0x02080201, 0x00080201, 0x00080000, X0x02080201, 0x00000001, 0x02000200, 0x00080201, X0x00080001, 0x00080200, 0x02080000, 0x02000201, X0x00000201, 0x02000000, 0x02000001, 0x02080200, X); X@SP4=( X0x01000000, 0x00002000, 0x00000080, 0x01002084, X0x01002004, 0x01000080, 0x00002084, 0x01002000, X0x00002000, 0x00000004, 0x01000004, 0x00002080, X0x01000084, 0x01002004, 0x01002080, 0x00000000, X0x00002080, 0x01000000, 0x00002004, 0x00000084, X0x01000080, 0x00002084, 0x00000000, 0x01000004, X0x00000004, 0x01000084, 0x01002084, 0x00002004, X0x01002000, 0x00000080, 0x00000084, 0x01002080, X0x01002080, 0x01000084, 0x00002004, 0x01002000, X0x00002000, 0x00000004, 0x01000004, 0x01000080, X0x01000000, 0x00002080, 0x01002084, 0x00000000, X0x00002084, 0x01000000, 0x00000080, 0x00002004, X0x01000084, 0x00000080, 0x00000000, 0x01002084, X0x01002004, 0x01002080, 0x00000084, 0x00002000, X0x00002080, 0x01002004, 0x01000080, 0x00000084, X0x00000004, 0x00002084, 0x01002000, 0x01000004, X); X@SP5=( X0x10000008, 0x00040008, 0x00000000, 0x10040400, X0x00040008, 0x00000400, 0x10000408, 0x00040000, X0x00000408, 0x10040408, 0x00040400, 0x10000000, X0x10000400, 0x10000008, 0x10040000, 0x00040408, X0x00040000, 0x10000408, 0x10040008, 0x00000000, X0x00000400, 0x00000008, 0x10040400, 0x10040008, X0x10040408, 0x10040000, 0x10000000, 0x00000408, X0x00000008, 0x00040400, 0x00040408, 0x10000400, X0x00000408, 0x10000000, 0x10000400, 0x00040408, X0x10040400, 0x00040008, 0x00000000, 0x10000400, X0x10000000, 0x00000400, 0x10040008, 0x00040000, X0x00040008, 0x10040408, 0x00040400, 0x00000008, X0x10040408, 0x00040400, 0x00040000, 0x10000408, X0x10000008, 0x10040000, 0x00040408, 0x00000000, X0x00000400, 0x10000008, 0x10000408, 0x10040400, X0x10040000, 0x00000408, 0x00000008, 0x10040008, X); X@SP6=( X0x00000800, 0x00000040, 0x00200040, 0x80200000, X0x80200840, 0x80000800, 0x00000840, 0x00000000, X0x00200000, 0x80200040, 0x80000040, 0x00200800, X0x80000000, 0x00200840, 0x00200800, 0x80000040, X0x80200040, 0x00000800, 0x80000800, 0x80200840, X0x00000000, 0x00200040, 0x80200000, 0x00000840, X0x80200800, 0x80000840, 0x00200840, 0x80000000, X0x80000840, 0x80200800, 0x00000040, 0x00200000, X0x80000840, 0x00200800, 0x80200800, 0x80000040, X0x00000800, 0x00000040, 0x00200000, 0x80200800, X0x80200040, 0x80000840, 0x00000840, 0x00000000, X0x00000040, 0x80200000, 0x80000000, 0x00200040, X0x00000000, 0x80200040, 0x00200040, 0x00000840, X0x80000040, 0x00000800, 0x80200840, 0x00200000, X0x00200840, 0x80000000, 0x80000800, 0x80200840, X0x80200000, 0x00200840, 0x00200800, 0x80000800, X); X@SP7=( X0x04100010, 0x04104000, 0x00004010, 0x00000000, X0x04004000, 0x00100010, 0x04100000, 0x04104010, X0x00000010, 0x04000000, 0x00104000, 0x00004010, X0x00104010, 0x04004010, 0x04000010, 0x04100000, X0x00004000, 0x00104010, 0x00100010, 0x04004000, X0x04104010, 0x04000010, 0x00000000, 0x00104000, X0x04000000, 0x00100000, 0x04004010, 0x04100010, X0x00100000, 0x00004000, 0x04104000, 0x00000010, X0x00100000, 0x00004000, 0x04000010, 0x04104010, X0x00004010, 0x04000000, 0x00000000, 0x00104000, X0x04100010, 0x04004010, 0x04004000, 0x00100010, X0x04104000, 0x00000010, 0x00100010, 0x04004000, X0x04104010, 0x00100000, 0x04100000, 0x04000010, X0x00104000, 0x00004010, 0x04004010, 0x04100000, X0x00000010, 0x04104000, 0x00104010, 0x00000000, X0x04000000, 0x04100010, 0x00004000, 0x00104010, X); X Xsub main'des_set_key X { X local($param)=@_; X local(@key); X local($c,$d,$i,$s,$t); X local(@ks)=(); X X # Get the bytes in the order we want. X @key=unpack("C8",$param); X X $c= ($key[0] )| X ($key[1]<< 8)| X ($key[2]<<16)| X ($key[3]<<24); X $d= ($key[4] )| X ($key[5]<< 8)| X ($key[6]<<16)| X ($key[7]<<24); X X &doPC1(*c,*d); X X for $i (@shifts2) X { X if ($i) X { X $c=($c>>2)|($c<<26); X $d=($d>>2)|($d<<26); X } X else X { X $c=($c>>1)|($c<<27); X $d=($d>>1)|($d<<27); X } X $c&=0x0fffffff; X $d&=0x0fffffff; X $s= $skb0[ ($c )&0x3f ]| X $skb1[(($c>> 6)&0x03)|(($c>> 7)&0x3c)]| X $skb2[(($c>>13)&0x0f)|(($c>>14)&0x30)]| X $skb3[(($c>>20)&0x01)|(($c>>21)&0x06) | X (($c>>22)&0x38)]; X $t= $skb4[ ($d )&0x3f ]| X $skb5[(($d>> 7)&0x03)|(($d>> 8)&0x3c)]| X $skb6[ ($d>>15)&0x3f ]| X $skb7[(($d>>21)&0x0f)|(($d>>22)&0x30)]; X push(@ks,(($t<<16)|($s&0x0000ffff))&0xffffffff); X $s= ($s>>16)|($t&0xffff0000) ; X push(@ks,(($s<<4)|($s>>28))&0xffffffff); X } X @ks; X } X Xsub doPC1 X { X local(*a,*b)=@_; X local($t); X X $t=(($b>>4)^$a)&0x0f0f0f0f; X $b^=($t<<4); $a^=$t; X # do $a first X $t=(($a<<18)^$a)&0xcccc0000; X $a=$a^$t^($t>>18); X $t=(($a<<17)^$a)&0xaaaa0000; X $a=$a^$t^($t>>17); X $t=(($a<< 8)^$a)&0x00ff0000; X $a=$a^$t^($t>> 8); X $t=(($a<<17)^$a)&0xaaaa0000; X $a=$a^$t^($t>>17); X X # now do $b X $t=(($b<<24)^$b)&0xff000000; X $b=$b^$t^($t>>24); X $t=(($b<< 8)^$b)&0x00ff0000; X $b=$b^$t^($t>> 8); X $t=(($b<<14)^$b)&0x33330000; X $b=$b^$t^($t>>14); X $b=(($b&0x00aa00aa)<<7)|(($b&0x55005500)>>7)|($b&0xaa55aa55); X $b=($b>>8)|(($a&0xf0000000)>>4); X $a&=0x0fffffff; X } X Xsub doIP X { X local(*a,*b)=@_; X local($t); X X $t=(($b>> 4)^$a)&0x0f0f0f0f; X $b^=($t<< 4); $a^=$t; X $t=(($a>>16)^$b)&0x0000ffff; X $a^=($t<<16); $b^=$t; X $t=(($b>> 2)^$a)&0x33333333; X $b^=($t<< 2); $a^=$t; X $t=(($a>> 8)^$b)&0x00ff00ff; X $a^=($t<< 8); $b^=$t; X $t=(($b>> 1)^$a)&0x55555555; X $b^=($t<< 1); $a^=$t; X $t=$a; X $a=$b&0xffffffff; X $b=$t&0xffffffff; X } X Xsub doFP X { X local(*a,*b)=@_; X local($t); X X $t=(($b>> 1)^$a)&0x55555555; X $b^=($t<< 1); $a^=$t; X $t=(($a>> 8)^$b)&0x00ff00ff; X $a^=($t<< 8); $b^=$t; X $t=(($b>> 2)^$a)&0x33333333; X $b^=($t<< 2); $a^=$t; X $t=(($a>>16)^$b)&0x0000ffff; X $a^=($t<<16); $b^=$t; X $t=(($b>> 4)^$a)&0x0f0f0f0f; X $b^=($t<< 4); $a^=$t; X $a&=0xffffffff; X $b&=0xffffffff; X } X Xsub main'des_ecb_encrypt X { X local(*ks,$encrypt,$in)=@_; X local($l,$r,$inc,$start,$end,$i,$t,$u,@input); X X @input=unpack("C8",$in); X # Get the bytes in the order we want. X $l= ($input[0] )| X ($input[1]<< 8)| X ($input[2]<<16)| X ($input[3]<<24); X $r= ($input[4] )| X ($input[5]<< 8)| X ($input[6]<<16)| X ($input[7]<<24); X X $l&=0xffffffff; X $r&=0xffffffff; X &doIP(*l,*r); X if ($encrypt) X { X for ($i=0; $i<32; $i+=4) X { X $t=(($r<<1)|($r>>31))&0xffffffff; X $u=$t^$ks[$i ]; X $t=$t^$ks[$i+1]; X $t=(($t>>4)|($t<<28))&0xffffffff; X $l^= $SP1[ $t &0x3f]| X $SP3[($t>> 8)&0x3f]| X $SP5[($t>>16)&0x3f]| X $SP7[($t>>24)&0x3f]| X $SP0[ $u &0x3f]| X $SP2[($u>> 8)&0x3f]| X $SP4[($u>>16)&0x3f]| X $SP6[($u>>24)&0x3f]; X X $t=(($l<<1)|($l>>31))&0xffffffff; X $u=$t^$ks[$i+2]; X $t=$t^$ks[$i+3]; X $t=(($t>>4)|($t<<28))&0xffffffff; X $r^= $SP1[ $t &0x3f]| X $SP3[($t>> 8)&0x3f]| X $SP5[($t>>16)&0x3f]| X $SP7[($t>>24)&0x3f]| X $SP0[ $u &0x3f]| X $SP2[($u>> 8)&0x3f]| X $SP4[($u>>16)&0x3f]| X $SP6[($u>>24)&0x3f]; X } X } X else X { X for ($i=30; $i>0; $i-=4) X { X $t=(($r<<1)|($r>>31))&0xffffffff; X $u=$t^$ks[$i ]; X $t=$t^$ks[$i+1]; X $t=(($t>>4)|($t<<28))&0xffffffff; X $l^= $SP1[ $t &0x3f]| X $SP3[($t>> 8)&0x3f]| X $SP5[($t>>16)&0x3f]| X $SP7[($t>>24)&0x3f]| X $SP0[ $u &0x3f]| X $SP2[($u>> 8)&0x3f]| X $SP4[($u>>16)&0x3f]| X $SP6[($u>>24)&0x3f]; X X $t=(($l<<1)|($l>>31))&0xffffffff; X $u=$t^$ks[$i-2]; X $t=$t^$ks[$i-1]; X $t=(($t>>4)|($t<<28))&0xffffffff; X $r^= $SP1[ $t &0x3f]| X $SP3[($t>> 8)&0x3f]| X $SP5[($t>>16)&0x3f]| X $SP7[($t>>24)&0x3f]| X $SP0[ $u &0x3f]| X $SP2[($u>> 8)&0x3f]| X $SP4[($u>>16)&0x3f]| X $SP6[($u>>24)&0x3f]; X } X } X &doFP(*l,*r); X pack("C8",$l&0xff,$l>>8,$l>>16,$l>>24, X $r&0xff,$r>>8,$r>>16,$r>>24); X } SHAR_EOF if test 17839 -ne "`wc -c < 'des.pl'`" then echo shar: error transmitting "'des.pl'" 'should have been 17839 characters)' fi fi # end of overwriting check echo shar: extracting "'testdes.pl'" if test -f 'testdes.pl' then echo shar: will not over-write existing file "'testdes.pl'" else sed 's/^X//' << 'SHAR_EOF' >'testdes.pl' X#!/usr/local/bin/perl X X# des.pl tesing code X Xrequire 'des.pl'; X X$num_tests=34; X@key_data=( X 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, X 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, X 0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00, X 0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11, X 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF, X 0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11, X 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, X 0xFE,0xDC,0xBA,0x98,0x76,0x54,0x32,0x10, X 0x7C,0xA1,0x10,0x45,0x4A,0x1A,0x6E,0x57, X 0x01,0x31,0xD9,0x61,0x9D,0xC1,0x37,0x6E, X 0x07,0xA1,0x13,0x3E,0x4A,0x0B,0x26,0x86, X 0x38,0x49,0x67,0x4C,0x26,0x02,0x31,0x9E, X 0x04,0xB9,0x15,0xBA,0x43,0xFE,0xB5,0xB6, X 0x01,0x13,0xB9,0x70,0xFD,0x34,0xF2,0xCE, X 0x01,0x70,0xF1,0x75,0x46,0x8F,0xB5,0xE6, X 0x43,0x29,0x7F,0xAD,0x38,0xE3,0x73,0xFE, X 0x07,0xA7,0x13,0x70,0x45,0xDA,0x2A,0x16, X 0x04,0x68,0x91,0x04,0xC2,0xFD,0x3B,0x2F, X 0x37,0xD0,0x6B,0xB5,0x16,0xCB,0x75,0x46, X 0x1F,0x08,0x26,0x0D,0x1A,0xC2,0x46,0x5E, X 0x58,0x40,0x23,0x64,0x1A,0xBA,0x61,0x76, X 0x02,0x58,0x16,0x16,0x46,0x29,0xB0,0x07, X 0x49,0x79,0x3E,0xBC,0x79,0xB3,0x25,0x8F, X 0x4F,0xB0,0x5E,0x15,0x15,0xAB,0x73,0xA7, X 0x49,0xE9,0x5D,0x6D,0x4C,0xA2,0x29,0xBF, X 0x01,0x83,0x10,0xDC,0x40,0x9B,0x26,0xD6, X 0x1C,0x58,0x7F,0x1C,0x13,0x92,0x4F,0xEF, X 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, X 0x1F,0x1F,0x1F,0x1F,0x0E,0x0E,0x0E,0x0E, X 0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1,0xFE, X 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, X 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, X 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF, X 0xFE,0xDC,0xBA,0x98,0x76,0x54,0x32,0x10, X ); X X@plain_data=( X 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, X 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, X 0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x01, X 0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11, X 0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11, X 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF, X 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, X 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF, X 0x01,0xA1,0xD6,0xD0,0x39,0x77,0x67,0x42, X 0x5C,0xD5,0x4C,0xA8,0x3D,0xEF,0x57,0xDA, X 0x02,0x48,0xD4,0x38,0x06,0xF6,0x71,0x72, X 0x51,0x45,0x4B,0x58,0x2D,0xDF,0x44,0x0A, X 0x42,0xFD,0x44,0x30,0x59,0x57,0x7F,0xA2, X 0x05,0x9B,0x5E,0x08,0x51,0xCF,0x14,0x3A, X 0x07,0x56,0xD8,0xE0,0x77,0x47,0x61,0xD2, X 0x76,0x25,0x14,0xB8,0x29,0xBF,0x48,0x6A, X 0x3B,0xDD,0x11,0x90,0x49,0x37,0x28,0x02, X 0x26,0x95,0x5F,0x68,0x35,0xAF,0x60,0x9A, X 0x16,0x4D,0x5E,0x40,0x4F,0x27,0x52,0x32, X 0x6B,0x05,0x6E,0x18,0x75,0x9F,0x5C,0xCA, X 0x00,0x4B,0xD6,0xEF,0x09,0x17,0x60,0x62, X 0x48,0x0D,0x39,0x00,0x6E,0xE7,0x62,0xF2, X 0x43,0x75,0x40,0xC8,0x69,0x8F,0x3C,0xFA, X 0x07,0x2D,0x43,0xA0,0x77,0x07,0x52,0x92, X 0x02,0xFE,0x55,0x77,0x81,0x17,0xF1,0x2A, X 0x1D,0x9D,0x5C,0x50,0x18,0xF7,0x28,0xC2, X 0x30,0x55,0x32,0x28,0x6D,0x6F,0x29,0x5A, X 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF, X 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF, X 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF, X 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, X 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, X 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, X 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF); X X@cipher_data=( X 0x8C,0xA6,0x4D,0xE9,0xC1,0xB1,0x23,0xA7, X 0x73,0x59,0xB2,0x16,0x3E,0x4E,0xDC,0x58, X 0x95,0x8E,0x6E,0x62,0x7A,0x05,0x55,0x7B, X 0xF4,0x03,0x79,0xAB,0x9E,0x0E,0xC5,0x33, X 0x17,0x66,0x8D,0xFC,0x72,0x92,0x53,0x2D, X 0x8A,0x5A,0xE1,0xF8,0x1A,0xB8,0xF2,0xDD, X 0x8C,0xA6,0x4D,0xE9,0xC1,0xB1,0x23,0xA7, X 0xED,0x39,0xD9,0x50,0xFA,0x74,0xBC,0xC4, X 0x69,0x0F,0x5B,0x0D,0x9A,0x26,0x93,0x9B, X 0x7A,0x38,0x9D,0x10,0x35,0x4B,0xD2,0x71, X 0x86,0x8E,0xBB,0x51,0xCA,0xB4,0x59,0x9A, X 0x71,0x78,0x87,0x6E,0x01,0xF1,0x9B,0x2A, X 0xAF,0x37,0xFB,0x42,0x1F,0x8C,0x40,0x95, X 0x86,0xA5,0x60,0xF1,0x0E,0xC6,0xD8,0x5B, X 0x0C,0xD3,0xDA,0x02,0x00,0x21,0xDC,0x09, X 0xEA,0x67,0x6B,0x2C,0xB7,0xDB,0x2B,0x7A, X 0xDF,0xD6,0x4A,0x81,0x5C,0xAF,0x1A,0x0F, X 0x5C,0x51,0x3C,0x9C,0x48,0x86,0xC0,0x88, X 0x0A,0x2A,0xEE,0xAE,0x3F,0xF4,0xAB,0x77, X 0xEF,0x1B,0xF0,0x3E,0x5D,0xFA,0x57,0x5A, X 0x88,0xBF,0x0D,0xB6,0xD7,0x0D,0xEE,0x56, X 0xA1,0xF9,0x91,0x55,0x41,0x02,0x0B,0x56, X 0x6F,0xBF,0x1C,0xAF,0xCF,0xFD,0x05,0x56, X 0x2F,0x22,0xE4,0x9B,0xAB,0x7C,0xA1,0xAC, X 0x5A,0x6B,0x61,0x2C,0xC2,0x6C,0xCE,0x4A, X 0x5F,0x4C,0x03,0x8E,0xD1,0x2B,0x2E,0x41, X 0x63,0xFA,0xC0,0xD0,0x34,0xD9,0xF7,0x93, X 0x61,0x7B,0x3A,0x0C,0xE8,0xF0,0x71,0x00, X 0xDB,0x95,0x86,0x05,0xF8,0xC8,0xC6,0x06, X 0xED,0xBF,0xD1,0xC6,0x6C,0x29,0xCC,0xC7, X 0x35,0x55,0x50,0xB2,0x15,0x0E,0x24,0x51, X 0xCA,0xAA,0xAF,0x4D,0xEA,0xF1,0xDB,0xAE, X 0xD5,0xD4,0x4F,0xF7,0x20,0x68,0x3D,0x0D, X 0x2A,0x2B,0xB0,0x08,0xDF,0x97,0xC2,0xF2); X Xprint "Doing ecb tests\n"; Xfor ($i=0; $i<$num_tests; $i++) X { X printf "Doing test $i\n"; X $key =pack("C8",splice(@key_data ,0,8)); X $data=pack("C8",splice(@plain_data ,0,8)); X $res =pack("C8",splice(@cipher_data,0,8)); X X @ks= &des_set_key($key); X $out1= &des_ecb_encrypt(*ks,1,$data); X $out2= &des_ecb_encrypt(*ks,0,$out1); X $out3= &des_ecb_encrypt(*ks,0,$res); X &eprint("encryption failure",$res,$out1) X if ($out1 ne $res); X &eprint("encryption/decryption failure",$data,$out2) X if ($out2 ne $data); X &eprint("decryption failure",$data,$out3) X if ($data ne $out3); X } Xprint "Done\n"; X Xprint "doing speed test over 30 seconds\n"; X$SIG{'ALRM'}='done'; Xsub done {$done=1;} X$done=0; X X$count=0; X$d=pack("C8",0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef); X@ks= &des_set_key($d); Xalarm(30); X$start=(times)[0]; Xwhile (!$done) X { X $count++; X $d=&des_ecb_encrypt(*ks,1,$d); X } X$end=(times)[0]; X$t=$end-$start; Xprintf "$count DESs in %.2f seconds is %.2f DESs/sec or %.2f bytes/sec\n", X 1.0*$t,1.0*$count/$t,$count*8.0/$t; X Xsub eprint X { X local($s,$c,$e)=@_; X local(@k); X X @k=unpack("C8",$c); X printf "%02x%02x%02x%02x %02x%02x%02x%02x - ",unpack("C8",$c); X printf "%02x%02x%02x%02x %02x%02x%02x%02x :",unpack("C8",$e); X print " $s\n"; X } SHAR_EOF if test 5644 -ne "`wc -c < 'testdes.pl'`" then echo shar: error transmitting "'testdes.pl'" 'should have been 5644 characters)' fi fi # end of overwriting check # end of shell archive exit 0 exit 0