aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/des/des_locl.h
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/des/des_locl.h')
-rw-r--r--crypto/des/des_locl.h171
1 files changed, 9 insertions, 162 deletions
diff --git a/crypto/des/des_locl.h b/crypto/des/des_locl.h
index 651eb3a61c..7ed783cb37 100644
--- a/crypto/des/des_locl.h
+++ b/crypto/des/des_locl.h
@@ -60,8 +60,6 @@
# include <openssl/e_os2.h>
-# include "internal/des_conf.h"
-
# if defined(OPENSSL_SYS_WIN32)
# ifndef OPENSSL_SYS_MSDOS
# define OPENSSL_SYS_MSDOS
@@ -205,171 +203,23 @@
# 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) { \
+# 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
+ 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]; }
/*-
* IP and FP
@@ -438,7 +288,4 @@ extern const DES_LONG DES_SPtrans[8][64];
void fcrypt_body(DES_LONG *out, DES_key_schedule *ks,
DES_LONG Eswap0, DES_LONG Eswap1);
-# ifdef OPENSSL_SMALL_FOOTPRINT
-# undef DES_UNROLL
-# endif
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-22 10:03:04 +0000