diff --git a/lib/des/GNUmakefile b/lib/des/GNUmakefile new file mode 100644 index 000000000..6372d08ec --- /dev/null +++ b/lib/des/GNUmakefile @@ -0,0 +1,35 @@ +# This was GNUmakefile +# I have changed the library a bit since I was last able to test the +# build so this may require a little tweaking. +# have fun. + +ifeq ($(wildcard ../Rules),) +# no glibc +include Makefile.uni +else +# We are part of glibc +default_cflags:= -O2 +subdir := des +headers:= des.h rpc_des.h + +routines:= $(destest) + cbc3_enc cbc_cksm cbc_enc cfb64enc cfb_enc \ + ecb3_enc ecb_enc ede_enc enc_read enc_writ \ + fcrypt ncbc_enc ofb64enc ofb_enc pcbc_enc \ + qud_cksm rand_key read_pwd rpc_enc set_key \ + str2key cfb64ede ofb64ede supp +distribute:= ARTISTIC COPYRIGHT FILES INSTALL Imakefile README VERSION \ + GNUmakefile times vms.com KERBEROS MODES.DES \ + des.man des_crypt.man \ + version.h des_locl.h podd.h sk.h spr.h \ + des.pl testdes.pl doIP doPC1 doPC2 PC1 PC2 shifts.pl \ + des.doc makefile.bc + +tests:= destest speed +override +gccwarn := -w +others:= des rpw +install:= des + +include ../Rules +endif + diff --git a/lib/des/Makefile b/lib/des/Makefile new file mode 100644 index 000000000..df661b183 --- /dev/null +++ b/lib/des/Makefile @@ -0,0 +1,155 @@ +# You must select the correct terminal control system to be used to +# turn character echo off when reading passwords. There a 5 systems +# SGTTY - the old BSD system +# TERMIO - most system V boxes +# TERMIOS - SGI (ala IRIX). +# VMS - the DEC operating system +# MSDOS - we all know what it is :-) +# read_pwd.c makes a reasonable guess at what is correct. + +# If you are on a DEC Alpha, edit des.h and change the DES_LONG +# define to 'unsigned int'. I have seen this give a %20 speedup. + +OPTS0= -DRAND -DTERMIO #-DNOCONST + +# Version 1.94 has changed the strings_to_key function so that it is +# now compatible with MITs when the string is longer than 8 characters. +# If you wish to keep the old version, uncomment the following line. +# This will affect the -E/-D options on des(1). +#OPTS1= -DOLD_STR_TO_KEY + +# This #define specifies the use of an alternative D_ENCRYPT macro in +# ecb_encrypt. The choice of macro can make a %20 difference in the +# speed. Unfortunatly the choise of the best macro appears to be very +# dependant on the compiler and the machine in question. +# For the following combinations use the ALT_ECB option. +# Sparc 2 (cc -O4), sun 3/260 (cc -O4) +# For the following combinations do not use the ALT_ECB option. +# Sparc 2 (gcc2 -O2), sun 3/260 (cc -O2), mvax2 (cc -O), MSDOS (Turbo Cv2) +# For other machines, experiment with changing the option and run +# ./speed to see which is faster. +# DO NOT TURN THIS OPTION ON WHEN COMPILING THIS CODE ON A 64 BIT MACHINE +# 12-Apr-1996 - It appears to be broken and I'm not bothering to fix +# it right now, so don't use this option :-) +#OPTS2= -DDES_PTR + +OPTS= $(OPTS0) $(OPTS1) $(OPTS2) + +#CC=cc +#CFLAGS= -O $(OPTS) $(CFLAG) + +CC=gcc +CFLAGS= -O3 -fomit-frame-pointer $(OPTS) $(CFLAG) + +LIBDIR=/usr/local/lib +BINDIR=/usr/local/bin +INCDIR=/usr/local/include +MANDIR=/usr/local/man +MAN1=1 +MAN3=3 +SHELL=/bin/sh +OBJS= cbc3_enc.o cbc_cksm.o cbc_enc.o ncbc_enc.o pcbc_enc.o qud_cksm.o \ + cfb64ede.o cfb64enc.o cfb_enc.o ecb3_enc.o ecb_enc.o ede_enc.o \ + enc_read.o enc_writ.o fcrypt.o ofb64ede.o ofb64enc.o ofb_enc.o \ + rand_key.o read_pwd.o set_key.o rpc_enc.o str2key.o supp.o + +GENERAL=COPYRIGHT FILES INSTALL Imakefile README VERSION Makefile \ + times vms.com KERBEROS MODES.DES GNUmakefile des.man \ + DES.pm DES.pod DES.xs Makefile.PL Makefile.uni typemap t \ + des_crypt.man Makefile.ssl des.doc makefile.bc des.org \ + des_locl.org +DES= des.c +TESTING=destest.c speed.c rpw.c +HEADERS=version.h des.h des_locl.h podd.h sk.h spr.h rpc_des.h +LIBDES= cbc3_enc.c cbc_cksm.c cbc_enc.c ncbc_enc.c pcbc_enc.c qud_cksm.c \ + cfb64ede.c cfb64enc.c cfb_enc.c ecb3_enc.c ecb_enc.c ede_enc.c \ + enc_read.c enc_writ.c fcrypt.c ofb64ede.c ofb64enc.c ofb_enc.c \ + rand_key.c read_pwd.c set_key.c rpc_enc.c str2key.c supp.c + +PERL= des.pl testdes.pl doIP doPC1 doPC2 PC1 PC2 shifts.pl + +ALL= $(GENERAL) $(DES) $(TESTING) $(LIBDES) $(PERL) $(HEADERS) + +DLIB= libdes.a + +all: $(DLIB) destest rpw des speed + +test: all + ./destest + +$(DLIB): $(OBJS) + /bin/rm -f $(DLIB) + ar cr $(DLIB) $(OBJS) + -if test -s /bin/ranlib; then /bin/ranlib $(DLIB); \ + else if test -s /usr/bin/ranlib; then /usr/bin/ranlib $(DLIB); \ + else exit 0; fi; fi + +destest: destest.o libdes.a + $(CC) $(CFLAGS) -o destest destest.o libdes.a + +rpw: rpw.o libdes.a + $(CC) $(CFLAGS) -o rpw rpw.o libdes.a + +speed: speed.o libdes.a + $(CC) $(CFLAGS) -o speed speed.o libdes.a + +des: des.o libdes.a + $(CC) $(CFLAGS) -o des des.o libdes.a + +tags: + ctags $(DES) $(TESTING) $(LIBDES) + +tar: + tar chf libdes.tar $(ALL) + +shar: + shar $(ALL) >libdes.shar + +depend: + makedepend $(LIBDES) $(DES) $(TESTING) + +clean: + /bin/rm -f *.o tags core rpw destest des speed $(DLIB) .nfs* *.old \ + *.bak destest rpw des speed + +dclean: + sed -e '/^# DO NOT DELETE THIS LINE/ q' Makefile >Makefile.new + mv -f Makefile.new Makefile + +# Eric is probably going to choke when he next looks at this --tjh +install: $(DLIB) des + if test $(INSTALLTOP); then \ + echo SSL style install; \ + cp $(DLIB) $(INSTALLTOP)/lib; \ + if test -s /bin/ranlib; then \ + /bin/ranlib $(INSTALLTOP)/lib/$(DLIB); \ + else \ + if test -s /usr/bin/ranlib; then \ + /usr/bin/ranlib $(INSTALLTOP)/lib/$(DLIB); \ + fi; fi; \ + chmod 644 $(INSTALLTOP)/lib/$(DLIB); \ + cp des.h $(INSTALLTOP)/include; \ + chmod 644 $(INSTALLTOP)/include/des.h; \ + cp des $(INSTALLTOP)/bin; \ + chmod 755 $(INSTALLTOP)/bin/des; \ + else \ + echo Standalone install; \ + cp $(DLIB) $(LIBDIR)/$(DLIB); \ + if test -s /bin/ranlib; then \ + /bin/ranlib $(LIBDIR)/$(DLIB); \ + else \ + if test -s /usr/bin/ranlib; then \ + /usr/bin/ranlib $(LIBDIR)/$(DLIB); \ + fi; \ + fi; \ + chmod 644 $(LIBDIR)/$(DLIB); \ + cp des $(BINDIR)/des; \ + chmod 711 $(BINDIR)/des; \ + cp des_crypt.man $(MANDIR)/man$(MAN3)/des_crypt.$(MAN3); \ + chmod 644 $(MANDIR)/man$(MAN3)/des_crypt.$(MAN3); \ + cp des.man $(MANDIR)/man$(MAN1)/des.$(MAN1); \ + chmod 644 $(MANDIR)/man$(MAN1)/des.$(MAN1); \ + cp des.h $(INCDIR)/des.h; \ + chmod 644 $(INCDIR)/des.h; \ + fi +# DO NOT DELETE THIS LINE -- make depend depends on it. diff --git a/lib/des/des.org b/lib/des/des.org new file mode 100644 index 000000000..86a8fdc25 --- /dev/null +++ b/lib/des/des.org @@ -0,0 +1,252 @@ +/* lib/des/des.h */ +/* Copyright (C) 1995 Eric Young (eay@mincom.oz.au) + * All rights reserved. + * + * This file is part of an SSL implementation written + * by Eric Young (eay@mincom.oz.au). + * The implementation was written so as to conform with Netscapes SSL + * specification. This library and applications are + * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE + * as long as the following conditions are aheared to. + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. If this code is used in a product, + * Eric Young should be given attribution as the author of the parts 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 software developed by Eric Young (eay@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.] + */ + +#ifndef HEADER_DES_H +#define HEADER_DES_H + +#include + +/* If this is set to 'unsigned int' on a DEC Alpha, this gives about a + * %20 speed up (longs are 8 bytes, int's are 4). */ +#ifndef DES_LONG +#define DES_LONG unsigned long +#endif + +typedef unsigned char des_cblock[8]; +typedef struct des_ks_struct + { + union { + des_cblock _; + /* make sure things are correct size on machines with + * 8 byte longs */ + DES_LONG pad[2]; + } ks; +#undef _ +#define _ ks._ + } des_key_schedule[16]; + +#define DES_KEY_SZ (sizeof(des_cblock)) +#define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) + +#define DES_ENCRYPT 1 +#define DES_DECRYPT 0 + +#define DES_CBC_MODE 0 +#define DES_PCBC_MODE 1 + +#define des_ecb2_encrypt(i,o,k1,k2,e) \ + des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) + +#define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ + des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) + +#define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ + des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) + +#define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ + des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) + +#define C_Block des_cblock +#define Key_schedule des_key_schedule +#define ENCRYPT DES_ENCRYPT +#define DECRYPT DES_DECRYPT +#define KEY_SZ DES_KEY_SZ +#define string_to_key des_string_to_key +#define read_pw_string des_read_pw_string +#define random_key des_random_key +#define pcbc_encrypt des_pcbc_encrypt +#define set_key des_set_key +#define key_sched des_key_sched +#define ecb_encrypt des_ecb_encrypt +#define cbc_encrypt des_cbc_encrypt +#define ncbc_encrypt des_ncbc_encrypt +#define cbc_cksum des_cbc_cksum +#define quad_cksum des_quad_cksum + +/* For compatibility with the MIT lib - eay 20/05/92 */ +typedef des_key_schedule bit_64; +#define des_fixup_key_parity des_set_odd_parity +#define des_check_key_parity check_parity + +extern int des_check_key; /* defaults to false */ +extern int des_rw_mode; /* defaults to DES_PCBC_MODE */ + +/* The next line is used to disable full ANSI prototypes, if your + * compiler has problems with the prototypes, make sure this line always + * evaluates to true :-) */ +#if defined(MSDOS) || defined(__STDC__) +#undef NOPROTO +#endif +#ifndef NOPROTO +void des_ecb3_encrypt(des_cblock *input,des_cblock *output, + des_key_schedule ks1,des_key_schedule ks2, + des_key_schedule ks3, int enc); +DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output, + long length,des_key_schedule schedule,des_cblock *ivec); +void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length, + des_key_schedule schedule,des_cblock *ivec,int enc); +void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length, + des_key_schedule schedule,des_cblock *ivec,int enc); +void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length, + des_key_schedule sk1,des_key_schedule sk2, + des_cblock *ivec1,des_cblock *ivec2,int enc); +void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits, + long length,des_key_schedule schedule,des_cblock *ivec,int enc); +void des_ecb_encrypt(des_cblock *input,des_cblock *output, + des_key_schedule ks,int enc); +void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc); +void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc); +void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output, + long length, des_key_schedule ks1, des_key_schedule ks2, + des_key_schedule ks3, des_cblock *ivec, int enc); +void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out, + long length, des_key_schedule ks1, des_key_schedule ks2, + des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt); +void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out, + long length, des_key_schedule ks1, des_key_schedule ks2, + des_key_schedule ks3, des_cblock *ivec, int *num); + +int des_enc_read(int fd,char *buf,int len,des_key_schedule sched, + des_cblock *iv); +int des_enc_write(int fd,char *buf,int len,des_key_schedule sched, + des_cblock *iv); +#ifdef PERL5 +char *des_crypt(const char *buf,const char *salt); +#else +/* some stupid compilers complain because I have declared char instead + * of const char */ +#ifdef HEADER_DES_LOCL_H +char *crypt(const char *buf,const char *salt); +#else +char *crypt(); +#endif +#endif +void des_ofb_encrypt(unsigned char *in,unsigned char *out, + int numbits,long length,des_key_schedule schedule,des_cblock *ivec); +void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length, + des_key_schedule schedule,des_cblock *ivec,int enc); +DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output, + long length,int out_count,des_cblock *seed); +void des_random_seed(des_cblock key); +void des_random_key(des_cblock ret); +int des_read_password(des_cblock *key,char *prompt,int verify); +int des_read_2passwords(des_cblock *key1,des_cblock *key2, + char *prompt,int verify); +int des_read_pw_string(char *buf,int length,char *prompt,int verify); +void des_set_odd_parity(des_cblock *key); +int des_is_weak_key(des_cblock *key); +int des_set_key(des_cblock *key,des_key_schedule schedule); +int des_key_sched(des_cblock *key,des_key_schedule schedule); +void des_string_to_key(char *str,des_cblock *key); +void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2); +void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length, + des_key_schedule schedule, des_cblock *ivec, int *num, int enc); +void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length, + des_key_schedule schedule, des_cblock *ivec, int *num); + +/* Extra functions from Mark Murray */ +void des_cblock_print_file(des_cblock *cb, FILE *fp); +/* The following functions are not in the normal unix build or the + * SSLeay build. When using the SSLeay build, use RAND_seed() + * and RAND_bytes() instead. */ +int des_new_random_key(des_cblock *key); +void des_init_random_number_generator(des_cblock *key); +void des_set_random_generator_seed(des_cblock *key); +void des_set_sequence_number(des_cblock new_sequence_number); +void des_generate_random_block(des_cblock *block); + +#else + +void des_ecb3_encrypt(); +DES_LONG des_cbc_cksum(); +void des_cbc_encrypt(); +void des_ncbc_encrypt(); +void des_3cbc_encrypt(); +void des_cfb_encrypt(); +void des_ede3_cfb64_encrypt(); +void des_ede3_ofb64_encrypt(); +void des_ecb_encrypt(); +void des_encrypt(); +void des_encrypt2(); +void des_ede3_cbc_encrypt(); +int des_enc_read(); +int des_enc_write(); +#ifdef PERL5 +char *des_crypt(); +#else +char *crypt(); +#endif +void des_ofb_encrypt(); +void des_pcbc_encrypt(); +DES_LONG des_quad_cksum(); +void des_random_seed(); +void des_random_key(); +int des_read_password(); +int des_read_2passwords(); +int des_read_pw_string(); +void des_set_odd_parity(); +int des_is_weak_key(); +int des_set_key(); +int des_key_sched(); +void des_string_to_key(); +void des_string_to_2keys(); +void des_cfb64_encrypt(); +void des_ofb64_encrypt(); + +/* Extra functions from Mark Murray */ +void des_cblock_print_file(); +/* The following functions are not in the normal unix build or the + * SSLeay build. When using the SSLeay build, use RAND_seed() + * and RAND_bytes() instead. */ +int des_new_random_key(); +void des_init_random_number_generator(); +void des_set_random_generator_seed(); +void des_set_sequence_number(); +void des_generate_random_block(); + +#endif +#endif diff --git a/lib/des/des_locl.org b/lib/des/des_locl.org new file mode 100644 index 000000000..73d573941 --- /dev/null +++ b/lib/des/des_locl.org @@ -0,0 +1,287 @@ +/* lib/des/des_locl.h */ +/* Copyright (C) 1995 Eric Young (eay@mincom.oz.au) + * All rights reserved. + * + * This file is part of an SSL implementation written + * by Eric Young (eay@mincom.oz.au). + * The implementation was written so as to conform with Netscapes SSL + * specification. This library and applications are + * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE + * as long as the following conditions are aheared to. + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. If this code is used in a product, + * Eric Young should be given attribution as the author of the parts 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 software developed by Eric Young (eay@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.] + */ + +#ifndef HEADER_DES_LOCL_H +#define HEADER_DES_LOCL_H +#include +#include +#ifndef MSDOS +#include +#endif +#include "des.h" + +/* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING + * + * Always modify des_locl.org since des_locl.h is automatically generated from + * it during SSLeay configuration. + * + * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING + */ + +/* the following is tweaked from a config script, that is why it is a + * protected undef/define */ +#ifndef DES_PTR +#undef DES_PTR +#endif + +#ifdef MSDOS /* Visual C++ 2.1 (Windows NT/95) */ +#include +#include +#include +#ifndef RAND +#define RAND +#endif +#undef NOPROTO +#endif + +#if defined(__STDC__) || defined(VMS) || defined(M_XENIX) || defined(MSDOS) +#include +#endif + +#ifndef RAND +#define RAND +#endif + +#ifdef linux +#undef RAND +#endif + +#ifdef MSDOS +#define getpid() 2 +extern int errno; +#define RAND +#undef NOPROTO +#endif + +#if defined(NOCONST) +#define const +#endif + +#ifdef __STDC__ +#undef NOPROTO +#endif + +#ifdef RAND +#define srandom(s) srand(s) +#define random rand +#endif + +#define ITERATIONS 16 +#define HALF_ITERATIONS 8 + +/* used in des_read and des_write */ +#define MAXWRITE (1024*16) +#define BSIZE (MAXWRITE+4) + +#define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \ + l|=((DES_LONG)(*((c)++)))<< 8L, \ + l|=((DES_LONG)(*((c)++)))<<16L, \ + l|=((DES_LONG)(*((c)++)))<<24L) + +/* NOTE - c is not incremented as per c2l */ +#define c2ln(c,l1,l2,n) { \ + c+=n; \ + l1=l2=0; \ + switch (n) { \ + case 8: l2 =((DES_LONG)(*(--(c))))<<24L; \ + case 7: l2|=((DES_LONG)(*(--(c))))<<16L; \ + case 6: l2|=((DES_LONG)(*(--(c))))<< 8L; \ + case 5: l2|=((DES_LONG)(*(--(c)))); \ + case 4: l1 =((DES_LONG)(*(--(c))))<<24L; \ + case 3: l1|=((DES_LONG)(*(--(c))))<<16L; \ + case 2: l1|=((DES_LONG)(*(--(c))))<< 8L; \ + case 1: l1|=((DES_LONG)(*(--(c)))); \ + } \ + } + +#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>24L)&0xff)) + +/* replacements for htonl and ntohl since I have no idea what to do + * when faced with machines with 8 byte longs. */ +#define HDRSIZE 4 + +#define n2l(c,l) (l =((DES_LONG)(*((c)++)))<<24L, \ + l|=((DES_LONG)(*((c)++)))<<16L, \ + l|=((DES_LONG)(*((c)++)))<< 8L, \ + l|=((DES_LONG)(*((c)++)))) + +#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \ + *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ + *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ + *((c)++)=(unsigned char)(((l) )&0xff)) + +/* NOTE - c is not incremented as per l2c */ +#define l2cn(l1,l2,c,n) { \ + c+=n; \ + switch (n) { \ + case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \ + case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ + case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ + case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ + case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ + case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ + case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ + case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ + } \ + } + +/* 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. + * It does not seem to work on the Alpha, even when DES_LONG is 4 + * bytes, probably an issue of accessing non-word aligned objects :-( */ +#ifdef DES_PTR + +#define D_ENCRYPT(L,R,S) { \ + u=((R^s[S ])<<2); \ + t= R^s[S+1]; \ + t=((t>>2)+(t<<30)); \ + L^= (\ + *(DES_LONG *)(&(des_SPtrans[1])+((t )&0xfc))+ \ + *(DES_LONG *)(&(des_SPtrans[3])+((t>> 8)&0xfc))+ \ + *(DES_LONG *)(&(des_SPtrans[5])+((t>>16)&0xfc))+ \ + *(DES_LONG *)(&(des_SPtrans[7])+((t>>24)&0xfc))+ \ + *(DES_LONG *)(&(des_SPtrans[0])+((u )&0xfc))+ \ + *(DES_LONG *)(&(des_SPtrans[2])+((u>> 8)&0xfc))+ \ + *(DES_LONG *)(&(des_SPtrans[4])+((u>>16)&0xfc))+ \ + *(DES_LONG *)(&(des_SPtrans[6])+((u>>24)&0xfc))); } +#else /* original version */ +#ifdef MSDOS +#define D_ENCRYPT(L,R,S) \ + U.l=R^s[S+1]; \ + T.s[0]=((U.s[0]>>4)|(U.s[1]<<12))&0x3f3f; \ + T.s[1]=((U.s[1]>>4)|(U.s[0]<<12))&0x3f3f; \ + U.l=(R^s[S ])&0x3f3f3f3fL; \ + L^= des_SPtrans[1][(T.c[0])]| \ + des_SPtrans[3][(T.c[1])]| \ + des_SPtrans[5][(T.c[2])]| \ + des_SPtrans[7][(T.c[3])]| \ + des_SPtrans[0][(U.c[0])]| \ + des_SPtrans[2][(U.c[1])]| \ + des_SPtrans[4][(U.c[2])]| \ + des_SPtrans[6][(U.c[3])]; +#else +#define D_ENCRYPT(Q,R,S) {\ + u=(R^s[S ]); \ + t=R^s[S+1]; \ + t=((t>>4L)+(t<<28L)); \ + Q^= des_SPtrans[1][(t )&0x3f]| \ + des_SPtrans[3][(t>> 8L)&0x3f]| \ + des_SPtrans[5][(t>>16L)&0x3f]| \ + des_SPtrans[7][(t>>24L)&0x3f]| \ + des_SPtrans[0][(u )&0x3f]| \ + des_SPtrans[2][(u>> 8L)&0x3f]| \ + des_SPtrans[4][(u>>16L)&0x3f]| \ + des_SPtrans[6][(u>>24L)&0x3f]; } +#endif +#endif + + /* IP and FP + * The problem is more of a geometric problem that random bit fiddling. + 0 1 2 3 4 5 6 7 62 54 46 38 30 22 14 6 + 8 9 10 11 12 13 14 15 60 52 44 36 28 20 12 4 + 16 17 18 19 20 21 22 23 58 50 42 34 26 18 10 2 + 24 25 26 27 28 29 30 31 to 56 48 40 32 24 16 8 0 + + 32 33 34 35 36 37 38 39 63 55 47 39 31 23 15 7 + 40 41 42 43 44 45 46 47 61 53 45 37 29 21 13 5 + 48 49 50 51 52 53 54 55 59 51 43 35 27 19 11 3 + 56 57 58 59 60 61 62 63 57 49 41 33 25 17 9 1 + + The output has been subject to swaps of the form + 0 1 -> 3 1 but the odd and even bits have been put into + 2 3 2 0 + different words. The main trick is to remember that + t=((l>>size)^r)&(mask); + r^=t; + l^=(t<>(n))^(b))&(m)),\ + (b)^=(t),\ + (a)^=((t)<<(n))) + +#define IP(l,r) \ + { \ + register DES_LONG tt; \ + PERM_OP(r,l,tt, 4,0x0f0f0f0fL); \ + PERM_OP(l,r,tt,16,0x0000ffffL); \ + PERM_OP(r,l,tt, 2,0x33333333L); \ + PERM_OP(l,r,tt, 8,0x00ff00ffL); \ + PERM_OP(r,l,tt, 1,0x55555555L); \ + } + +#define FP(l,r) \ + { \ + register DES_LONG tt; \ + PERM_OP(l,r,tt, 1,0x55555555L); \ + PERM_OP(r,l,tt, 8,0x00ff00ffL); \ + PERM_OP(l,r,tt, 2,0x33333333L); \ + PERM_OP(r,l,tt,16,0x0000ffffL); \ + PERM_OP(l,r,tt, 4,0x0f0f0f0fL); \ + } +#endif