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-rw-r--r--crypto/des/des_locl.h715
1 files changed, 362 insertions, 353 deletions
diff --git a/crypto/des/des_locl.h b/crypto/des/des_locl.h
index a3b512e9b040..1a8e41dd29c7 100644
--- a/crypto/des/des_locl.h
+++ b/crypto/des/des_locl.h
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* 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@cryptsoft.com).
- *
+ *
* 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:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* 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
+ * 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@cryptsoft.com)"
- *
+ *
* 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
@@ -49,7 +49,7 @@
* 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
@@ -57,376 +57,385 @@
*/
#ifndef HEADER_DES_LOCL_H
-#define HEADER_DES_LOCL_H
+# define HEADER_DES_LOCL_H
-#include <openssl/e_os2.h>
+# include <openssl/e_os2.h>
-#if defined(OPENSSL_SYS_WIN32)
-#ifndef OPENSSL_SYS_MSDOS
-#define OPENSSL_SYS_MSDOS
-#endif
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
+# if defined(OPENSSL_SYS_WIN32)
+# ifndef OPENSSL_SYS_MSDOS
+# define OPENSSL_SYS_MSDOS
+# endif
+# endif
-#ifndef OPENSSL_SYS_MSDOS
-#if !defined(OPENSSL_SYS_VMS) || defined(__DECC)
-#ifdef OPENSSL_UNISTD
-# include OPENSSL_UNISTD
-#else
-# include <unistd.h>
-#endif
-#include <math.h>
-#endif
-#endif
-#include <openssl/des.h>
+# include <stdio.h>
+# include <stdlib.h>
+
+# ifndef OPENSSL_SYS_MSDOS
+# if !defined(OPENSSL_SYS_VMS) || defined(__DECC)
+# ifdef OPENSSL_UNISTD
+# include OPENSSL_UNISTD
+# else
+# include <unistd.h>
+# endif
+# include <math.h>
+# endif
+# endif
+# include <openssl/des.h>
-#ifdef OPENSSL_SYS_MSDOS /* Visual C++ 2.1 (Windows NT/95) */
-#include <stdlib.h>
-#include <errno.h>
-#include <time.h>
-#include <io.h>
-#endif
+# ifdef OPENSSL_SYS_MSDOS /* Visual C++ 2.1 (Windows NT/95) */
+# include <stdlib.h>
+# include <errno.h>
+# include <time.h>
+# include <io.h>
+# endif
-#if defined(__STDC__) || defined(OPENSSL_SYS_VMS) || defined(M_XENIX) || defined(OPENSSL_SYS_MSDOS)
-#include <string.h>
-#endif
+# if defined(__STDC__) || defined(OPENSSL_SYS_VMS) || defined(M_XENIX) || defined(OPENSSL_SYS_MSDOS)
+# include <string.h>
+# endif
-#ifdef OPENSSL_BUILD_SHLIBCRYPTO
-# undef OPENSSL_EXTERN
-# define OPENSSL_EXTERN OPENSSL_EXPORT
-#endif
+# ifdef OPENSSL_BUILD_SHLIBCRYPTO
+# undef OPENSSL_EXTERN
+# define OPENSSL_EXTERN OPENSSL_EXPORT
+# endif
-#define ITERATIONS 16
-#define HALF_ITERATIONS 8
+# define ITERATIONS 16
+# define HALF_ITERATIONS 8
/* used in des_read and des_write */
-#define MAXWRITE (1024*16)
-#define BSIZE (MAXWRITE+4)
+# 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)
+# 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))
+# 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
-/* 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); \
- } \
- }
-
-#if (defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER)) || defined(__ICC)
-#define ROTATE(a,n) (_lrotr(a,n))
-#elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
-# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
-# define ROTATE(a,n) ({ register unsigned int ret; \
- asm ("rorl %1,%0" \
- : "=r"(ret) \
- : "I"(n),"0"(a) \
- : "cc"); \
- ret; \
- })
-# endif
-#endif
-#ifndef ROTATE
-#define ROTATE(a,n) (((a)>>(n))+((a)<<(32-(n))))
-#endif
+# define n2l(c,l) (l =((DES_LONG)(*((c)++)))<<24L, \
+ l|=((DES_LONG)(*((c)++)))<<16L, \
+ l|=((DES_LONG)(*((c)++)))<< 8L, \
+ l|=((DES_LONG)(*((c)++))))
-/* Don't worry about the LOAD_DATA() stuff, that is used by
- * fcrypt() to add it's little bit to the front */
+# 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))
-#ifdef DES_FCRYPT
+/* 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); \
+ } \
+ }
+
+# if (defined(OPENSSL_SYS_WIN32) && defined(_MSC_VER)) || defined(__ICC)
+# define ROTATE(a,n) (_lrotr(a,n))
+# elif defined(__GNUC__) && __GNUC__>=2 && !defined(__STRICT_ANSI__) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
+# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
+# define ROTATE(a,n) ({ register unsigned int ret; \
+ asm ("rorl %1,%0" \
+ : "=r"(ret) \
+ : "I"(n),"0"(a) \
+ : "cc"); \
+ ret; \
+ })
+# endif
+# endif
+# ifndef ROTATE
+# define ROTATE(a,n) (((a)>>(n))+((a)<<(32-(n))))
+# endif
-#define LOAD_DATA_tmp(R,S,u,t,E0,E1) \
- { DES_LONG tmp; LOAD_DATA(R,S,u,t,E0,E1,tmp); }
+/*
+ * Don't worry about the LOAD_DATA() stuff, that is used by fcrypt() to add
+ * it's little bit to the front
+ */
-#define LOAD_DATA(R,S,u,t,E0,E1,tmp) \
- t=R^(R>>16L); \
- u=t&E0; t&=E1; \
- tmp=(u<<16); u^=R^s[S ]; u^=tmp; \
- tmp=(t<<16); t^=R^s[S+1]; t^=tmp
-#else
-#define LOAD_DATA_tmp(a,b,c,d,e,f) LOAD_DATA(a,b,c,d,e,f,g)
-#define LOAD_DATA(R,S,u,t,E0,E1,tmp) \
- u=R^s[S ]; \
- t=R^s[S+1]
-#endif
+# ifdef DES_FCRYPT
+
+# define LOAD_DATA_tmp(R,S,u,t,E0,E1) \
+ { DES_LONG tmp; LOAD_DATA(R,S,u,t,E0,E1,tmp); }
+
+# define LOAD_DATA(R,S,u,t,E0,E1,tmp) \
+ t=R^(R>>16L); \
+ u=t&E0; t&=E1; \
+ tmp=(u<<16); u^=R^s[S ]; u^=tmp; \
+ tmp=(t<<16); t^=R^s[S+1]; t^=tmp
+# else
+# define LOAD_DATA_tmp(a,b,c,d,e,f) LOAD_DATA(a,b,c,d,e,f,g)
+# define LOAD_DATA(R,S,u,t,E0,E1,tmp) \
+ u=R^s[S ]; \
+ t=R^s[S+1]
+# endif
-/* The changes to this macro may help or hinder, depending on the
- * compiler and the architecture. gcc2 always seems to do well :-).
- * Inspired by Dana How <how@isl.stanford.edu>
- * 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
-
-/* It recently occurred to me that 0^0^0^0^0^0^0 == 0, so there
- * is no reason to not xor all the sub items together. This potentially
- * saves a register since things can be xored directly into L */
-
-#if defined(DES_RISC1) || defined(DES_RISC2)
-#ifdef DES_RISC1
-#define D_ENCRYPT(LL,R,S) { \
- unsigned int u1,u2,u3; \
- LOAD_DATA(R,S,u,t,E0,E1,u1); \
- u2=(int)u>>8L; \
- u1=(int)u&0xfc; \
- u2&=0xfc; \
- t=ROTATE(t,4); \
- u>>=16L; \
- LL^= *(const DES_LONG *)(des_SP +u1); \
- LL^= *(const DES_LONG *)(des_SP+0x200+u2); \
- u3=(int)(u>>8L); \
- u1=(int)u&0xfc; \
- u3&=0xfc; \
- LL^= *(const DES_LONG *)(des_SP+0x400+u1); \
- LL^= *(const DES_LONG *)(des_SP+0x600+u3); \
- u2=(int)t>>8L; \
- u1=(int)t&0xfc; \
- u2&=0xfc; \
- t>>=16L; \
- LL^= *(const DES_LONG *)(des_SP+0x100+u1); \
- LL^= *(const DES_LONG *)(des_SP+0x300+u2); \
- u3=(int)t>>8L; \
- u1=(int)t&0xfc; \
- u3&=0xfc; \
- LL^= *(const DES_LONG *)(des_SP+0x500+u1); \
- LL^= *(const DES_LONG *)(des_SP+0x700+u3); }
-#endif
-#ifdef DES_RISC2
-#define D_ENCRYPT(LL,R,S) { \
- unsigned int u1,u2,s1,s2; \
- LOAD_DATA(R,S,u,t,E0,E1,u1); \
- u2=(int)u>>8L; \
- u1=(int)u&0xfc; \
- u2&=0xfc; \
- t=ROTATE(t,4); \
- LL^= *(const DES_LONG *)(des_SP +u1); \
- LL^= *(const DES_LONG *)(des_SP+0x200+u2); \
- s1=(int)(u>>16L); \
- s2=(int)(u>>24L); \
- s1&=0xfc; \
- s2&=0xfc; \
- LL^= *(const DES_LONG *)(des_SP+0x400+s1); \
- LL^= *(const DES_LONG *)(des_SP+0x600+s2); \
- u2=(int)t>>8L; \
- u1=(int)t&0xfc; \
- u2&=0xfc; \
- LL^= *(const DES_LONG *)(des_SP+0x100+u1); \
- LL^= *(const DES_LONG *)(des_SP+0x300+u2); \
- s1=(int)(t>>16L); \
- s2=(int)(t>>24L); \
- s1&=0xfc; \
- s2&=0xfc; \
- LL^= *(const DES_LONG *)(des_SP+0x500+s1); \
- LL^= *(const DES_LONG *)(des_SP+0x700+s2); }
-#endif
-#else
-#define D_ENCRYPT(LL,R,S) { \
- LOAD_DATA_tmp(R,S,u,t,E0,E1); \
- t=ROTATE(t,4); \
- LL^= \
- *(const DES_LONG *)(des_SP +((u )&0xfc))^ \
- *(const DES_LONG *)(des_SP+0x200+((u>> 8L)&0xfc))^ \
- *(const DES_LONG *)(des_SP+0x400+((u>>16L)&0xfc))^ \
- *(const DES_LONG *)(des_SP+0x600+((u>>24L)&0xfc))^ \
- *(const DES_LONG *)(des_SP+0x100+((t )&0xfc))^ \
- *(const DES_LONG *)(des_SP+0x300+((t>> 8L)&0xfc))^ \
- *(const DES_LONG *)(des_SP+0x500+((t>>16L)&0xfc))^ \
- *(const DES_LONG *)(des_SP+0x700+((t>>24L)&0xfc)); }
-#endif
+/*
+ * The changes to this macro may help or hinder, depending on the compiler
+ * and the architecture. gcc2 always seems to do well :-). Inspired by Dana
+ * How <how@isl.stanford.edu> 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
-#else /* original version */
-
-#if defined(DES_RISC1) || defined(DES_RISC2)
-#ifdef DES_RISC1
-#define D_ENCRYPT(LL,R,S) {\
- unsigned int u1,u2,u3; \
- LOAD_DATA(R,S,u,t,E0,E1,u1); \
- u>>=2L; \
- t=ROTATE(t,6); \
- u2=(int)u>>8L; \
- u1=(int)u&0x3f; \
- u2&=0x3f; \
- u>>=16L; \
- LL^=DES_SPtrans[0][u1]; \
- LL^=DES_SPtrans[2][u2]; \
- u3=(int)u>>8L; \
- u1=(int)u&0x3f; \
- u3&=0x3f; \
- LL^=DES_SPtrans[4][u1]; \
- LL^=DES_SPtrans[6][u3]; \
- u2=(int)t>>8L; \
- u1=(int)t&0x3f; \
- u2&=0x3f; \
- t>>=16L; \
- LL^=DES_SPtrans[1][u1]; \
- LL^=DES_SPtrans[3][u2]; \
- u3=(int)t>>8L; \
- u1=(int)t&0x3f; \
- u3&=0x3f; \
- LL^=DES_SPtrans[5][u1]; \
- LL^=DES_SPtrans[7][u3]; }
-#endif
-#ifdef DES_RISC2
-#define D_ENCRYPT(LL,R,S) {\
- unsigned int u1,u2,s1,s2; \
- LOAD_DATA(R,S,u,t,E0,E1,u1); \
- u>>=2L; \
- t=ROTATE(t,6); \
- u2=(int)u>>8L; \
- u1=(int)u&0x3f; \
- u2&=0x3f; \
- LL^=DES_SPtrans[0][u1]; \
- LL^=DES_SPtrans[2][u2]; \
- s1=(int)u>>16L; \
- s2=(int)u>>24L; \
- s1&=0x3f; \
- s2&=0x3f; \
- LL^=DES_SPtrans[4][s1]; \
- LL^=DES_SPtrans[6][s2]; \
- u2=(int)t>>8L; \
- u1=(int)t&0x3f; \
- u2&=0x3f; \
- LL^=DES_SPtrans[1][u1]; \
- LL^=DES_SPtrans[3][u2]; \
- s1=(int)t>>16; \
- s2=(int)t>>24L; \
- s1&=0x3f; \
- s2&=0x3f; \
- LL^=DES_SPtrans[5][s1]; \
- LL^=DES_SPtrans[7][s2]; }
-#endif
+/*
+ * It recently occurred to me that 0^0^0^0^0^0^0 == 0, so there is no reason
+ * to not xor all the sub items together. This potentially saves a register
+ * since things can be xored directly into L
+ */
-#else
-
-#define D_ENCRYPT(LL,R,S) {\
- LOAD_DATA_tmp(R,S,u,t,E0,E1); \
- t=ROTATE(t,4); \
- LL^=\
- DES_SPtrans[0][(u>> 2L)&0x3f]^ \
- DES_SPtrans[2][(u>>10L)&0x3f]^ \
- DES_SPtrans[4][(u>>18L)&0x3f]^ \
- DES_SPtrans[6][(u>>26L)&0x3f]^ \
- DES_SPtrans[1][(t>> 2L)&0x3f]^ \
- DES_SPtrans[3][(t>>10L)&0x3f]^ \
- DES_SPtrans[5][(t>>18L)&0x3f]^ \
- DES_SPtrans[7][(t>>26L)&0x3f]; }
-#endif
-#endif
+# if defined(DES_RISC1) || defined(DES_RISC2)
+# ifdef DES_RISC1
+# define D_ENCRYPT(LL,R,S) { \
+ unsigned int u1,u2,u3; \
+ LOAD_DATA(R,S,u,t,E0,E1,u1); \
+ u2=(int)u>>8L; \
+ u1=(int)u&0xfc; \
+ u2&=0xfc; \
+ t=ROTATE(t,4); \
+ u>>=16L; \
+ LL^= *(const DES_LONG *)(des_SP +u1); \
+ LL^= *(const DES_LONG *)(des_SP+0x200+u2); \
+ u3=(int)(u>>8L); \
+ u1=(int)u&0xfc; \
+ u3&=0xfc; \
+ LL^= *(const DES_LONG *)(des_SP+0x400+u1); \
+ LL^= *(const DES_LONG *)(des_SP+0x600+u3); \
+ u2=(int)t>>8L; \
+ u1=(int)t&0xfc; \
+ u2&=0xfc; \
+ t>>=16L; \
+ LL^= *(const DES_LONG *)(des_SP+0x100+u1); \
+ LL^= *(const DES_LONG *)(des_SP+0x300+u2); \
+ u3=(int)t>>8L; \
+ u1=(int)t&0xfc; \
+ u3&=0xfc; \
+ LL^= *(const DES_LONG *)(des_SP+0x500+u1); \
+ LL^= *(const DES_LONG *)(des_SP+0x700+u3); }
+# endif
+# ifdef DES_RISC2
+# define D_ENCRYPT(LL,R,S) { \
+ unsigned int u1,u2,s1,s2; \
+ LOAD_DATA(R,S,u,t,E0,E1,u1); \
+ u2=(int)u>>8L; \
+ u1=(int)u&0xfc; \
+ u2&=0xfc; \
+ t=ROTATE(t,4); \
+ LL^= *(const DES_LONG *)(des_SP +u1); \
+ LL^= *(const DES_LONG *)(des_SP+0x200+u2); \
+ s1=(int)(u>>16L); \
+ s2=(int)(u>>24L); \
+ s1&=0xfc; \
+ s2&=0xfc; \
+ LL^= *(const DES_LONG *)(des_SP+0x400+s1); \
+ LL^= *(const DES_LONG *)(des_SP+0x600+s2); \
+ u2=(int)t>>8L; \
+ u1=(int)t&0xfc; \
+ u2&=0xfc; \
+ LL^= *(const DES_LONG *)(des_SP+0x100+u1); \
+ LL^= *(const DES_LONG *)(des_SP+0x300+u2); \
+ s1=(int)(t>>16L); \
+ s2=(int)(t>>24L); \
+ s1&=0xfc; \
+ s2&=0xfc; \
+ LL^= *(const DES_LONG *)(des_SP+0x500+s1); \
+ LL^= *(const DES_LONG *)(des_SP+0x700+s2); }
+# endif
+# else
+# define D_ENCRYPT(LL,R,S) { \
+ LOAD_DATA_tmp(R,S,u,t,E0,E1); \
+ t=ROTATE(t,4); \
+ LL^= \
+ *(const DES_LONG *)(des_SP +((u )&0xfc))^ \
+ *(const DES_LONG *)(des_SP+0x200+((u>> 8L)&0xfc))^ \
+ *(const DES_LONG *)(des_SP+0x400+((u>>16L)&0xfc))^ \
+ *(const DES_LONG *)(des_SP+0x600+((u>>24L)&0xfc))^ \
+ *(const DES_LONG *)(des_SP+0x100+((t )&0xfc))^ \
+ *(const DES_LONG *)(des_SP+0x300+((t>> 8L)&0xfc))^ \
+ *(const DES_LONG *)(des_SP+0x500+((t>>16L)&0xfc))^ \
+ *(const DES_LONG *)(des_SP+0x700+((t>>24L)&0xfc)); }
+# endif
+
+# else /* original version */
+
+# if defined(DES_RISC1) || defined(DES_RISC2)
+# ifdef DES_RISC1
+# define D_ENCRYPT(LL,R,S) {\
+ unsigned int u1,u2,u3; \
+ LOAD_DATA(R,S,u,t,E0,E1,u1); \
+ u>>=2L; \
+ t=ROTATE(t,6); \
+ u2=(int)u>>8L; \
+ u1=(int)u&0x3f; \
+ u2&=0x3f; \
+ u>>=16L; \
+ LL^=DES_SPtrans[0][u1]; \
+ LL^=DES_SPtrans[2][u2]; \
+ u3=(int)u>>8L; \
+ u1=(int)u&0x3f; \
+ u3&=0x3f; \
+ LL^=DES_SPtrans[4][u1]; \
+ LL^=DES_SPtrans[6][u3]; \
+ u2=(int)t>>8L; \
+ u1=(int)t&0x3f; \
+ u2&=0x3f; \
+ t>>=16L; \
+ LL^=DES_SPtrans[1][u1]; \
+ LL^=DES_SPtrans[3][u2]; \
+ u3=(int)t>>8L; \
+ u1=(int)t&0x3f; \
+ u3&=0x3f; \
+ LL^=DES_SPtrans[5][u1]; \
+ LL^=DES_SPtrans[7][u3]; }
+# endif
+# ifdef DES_RISC2
+# define D_ENCRYPT(LL,R,S) {\
+ unsigned int u1,u2,s1,s2; \
+ LOAD_DATA(R,S,u,t,E0,E1,u1); \
+ u>>=2L; \
+ t=ROTATE(t,6); \
+ u2=(int)u>>8L; \
+ u1=(int)u&0x3f; \
+ u2&=0x3f; \
+ LL^=DES_SPtrans[0][u1]; \
+ LL^=DES_SPtrans[2][u2]; \
+ s1=(int)u>>16L; \
+ s2=(int)u>>24L; \
+ s1&=0x3f; \
+ s2&=0x3f; \
+ LL^=DES_SPtrans[4][s1]; \
+ LL^=DES_SPtrans[6][s2]; \
+ u2=(int)t>>8L; \
+ u1=(int)t&0x3f; \
+ u2&=0x3f; \
+ LL^=DES_SPtrans[1][u1]; \
+ LL^=DES_SPtrans[3][u2]; \
+ s1=(int)t>>16; \
+ s2=(int)t>>24L; \
+ s1&=0x3f; \
+ s2&=0x3f; \
+ LL^=DES_SPtrans[5][s1]; \
+ LL^=DES_SPtrans[7][s2]; }
+# endif
+
+# else
+
+# define D_ENCRYPT(LL,R,S) {\
+ LOAD_DATA_tmp(R,S,u,t,E0,E1); \
+ t=ROTATE(t,4); \
+ LL^=\
+ DES_SPtrans[0][(u>> 2L)&0x3f]^ \
+ DES_SPtrans[2][(u>>10L)&0x3f]^ \
+ DES_SPtrans[4][(u>>18L)&0x3f]^ \
+ DES_SPtrans[6][(u>>26L)&0x3f]^ \
+ DES_SPtrans[1][(t>> 2L)&0x3f]^ \
+ DES_SPtrans[3][(t>>10L)&0x3f]^ \
+ DES_SPtrans[5][(t>>18L)&0x3f]^ \
+ DES_SPtrans[7][(t>>26L)&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<<size);
- can be used to swap and move bits between words.
-
- So l = 0 1 2 3 r = 16 17 18 19
- 4 5 6 7 20 21 22 23
- 8 9 10 11 24 25 26 27
- 12 13 14 15 28 29 30 31
- becomes (for size == 2 and mask == 0x3333)
- t = 2^16 3^17 -- -- l = 0 1 16 17 r = 2 3 18 19
- 6^20 7^21 -- -- 4 5 20 21 6 7 22 23
- 10^24 11^25 -- -- 8 9 24 25 10 11 24 25
- 14^28 15^29 -- -- 12 13 28 29 14 15 28 29
-
- Thanks for hints from Richard Outerbridge - he told me IP&FP
- could be done in 15 xor, 10 shifts and 5 ands.
- When I finally started to think of the problem in 2D
- I first got ~42 operations without xors. When I remembered
- how to use xors :-) I got it to its final state.
- */
-#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(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); \
- }
+ /*-
+ * 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<<size);
+ can be used to swap and move bits between words.
+
+ So l = 0 1 2 3 r = 16 17 18 19
+ 4 5 6 7 20 21 22 23
+ 8 9 10 11 24 25 26 27
+ 12 13 14 15 28 29 30 31
+ becomes (for size == 2 and mask == 0x3333)
+ t = 2^16 3^17 -- -- l = 0 1 16 17 r = 2 3 18 19
+ 6^20 7^21 -- -- 4 5 20 21 6 7 22 23
+ 10^24 11^25 -- -- 8 9 24 25 10 11 24 25
+ 14^28 15^29 -- -- 12 13 28 29 14 15 28 29
+
+ Thanks for hints from Richard Outerbridge - he told me IP&FP
+ could be done in 15 xor, 10 shifts and 5 ands.
+ When I finally started to think of the problem in 2D
+ I first got ~42 operations without xors. When I remembered
+ how to use xors :-) I got it to its final state.
+ */
+# define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(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); \
+ }
extern const DES_LONG DES_SPtrans[8][64];
-void fcrypt_body(DES_LONG *out,DES_key_schedule *ks,
- DES_LONG Eswap0, DES_LONG Eswap1);
+void fcrypt_body(DES_LONG *out, DES_key_schedule *ks,
+ DES_LONG Eswap0, DES_LONG Eswap1);
-#ifdef OPENSSL_SMALL_FOOTPRINT
-#undef DES_UNROLL
-#endif
+# ifdef OPENSSL_SMALL_FOOTPRINT
+# undef DES_UNROLL
+# endif
#endif