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authorAndy Polyakov <appro@openssl.org>2006-10-11 11:55:11 +0000
committerAndy Polyakov <appro@openssl.org>2006-10-11 11:55:11 +0000
commitc69ed6ea396b184fd56327b475a441081fcade8e (patch)
tree934b6a730dd5eebcf82ec3b1015f6c2ee96ada1f /crypto/md4
parent55a08fac680d5f35096c54ef2fdc6185c314fc89 (diff)
downloadopenssl-new-c69ed6ea396b184fd56327b475a441081fcade8e.tar.gz
Re-implement md32_common.h [make it simpler!] and eliminate code rendered
redundant as result.
Diffstat (limited to 'crypto/md4')
-rw-r--r--crypto/md4/md4_dgst.c93
-rw-r--r--crypto/md4/md4_locl.h45
2 files changed, 1 insertions, 137 deletions
diff --git a/crypto/md4/md4_dgst.c b/crypto/md4/md4_dgst.c
index d4c7057f13..e5b08f3fce 100644
--- a/crypto/md4/md4_dgst.c
+++ b/crypto/md4/md4_dgst.c
@@ -72,89 +72,14 @@ const char *MD4_version="MD4" OPENSSL_VERSION_PTEXT;
int MD4_Init(MD4_CTX *c)
{
+ memset (c,0,sizeof(*c));
c->A=INIT_DATA_A;
c->B=INIT_DATA_B;
c->C=INIT_DATA_C;
c->D=INIT_DATA_D;
- c->Nl=0;
- c->Nh=0;
- c->num=0;
return 1;
}
-#ifndef md4_block_host_order
-void md4_block_host_order (MD4_CTX *c, const void *data, size_t num)
- {
- const MD4_LONG *X=data;
- register unsigned MD32_REG_T A,B,C,D;
-
- A=c->A;
- B=c->B;
- C=c->C;
- D=c->D;
-
- for (;num--;X+=HASH_LBLOCK)
- {
- /* Round 0 */
- R0(A,B,C,D,X[ 0], 3,0);
- R0(D,A,B,C,X[ 1], 7,0);
- R0(C,D,A,B,X[ 2],11,0);
- R0(B,C,D,A,X[ 3],19,0);
- R0(A,B,C,D,X[ 4], 3,0);
- R0(D,A,B,C,X[ 5], 7,0);
- R0(C,D,A,B,X[ 6],11,0);
- R0(B,C,D,A,X[ 7],19,0);
- R0(A,B,C,D,X[ 8], 3,0);
- R0(D,A,B,C,X[ 9], 7,0);
- R0(C,D,A,B,X[10],11,0);
- R0(B,C,D,A,X[11],19,0);
- R0(A,B,C,D,X[12], 3,0);
- R0(D,A,B,C,X[13], 7,0);
- R0(C,D,A,B,X[14],11,0);
- R0(B,C,D,A,X[15],19,0);
- /* Round 1 */
- R1(A,B,C,D,X[ 0], 3,0x5A827999L);
- R1(D,A,B,C,X[ 4], 5,0x5A827999L);
- R1(C,D,A,B,X[ 8], 9,0x5A827999L);
- R1(B,C,D,A,X[12],13,0x5A827999L);
- R1(A,B,C,D,X[ 1], 3,0x5A827999L);
- R1(D,A,B,C,X[ 5], 5,0x5A827999L);
- R1(C,D,A,B,X[ 9], 9,0x5A827999L);
- R1(B,C,D,A,X[13],13,0x5A827999L);
- R1(A,B,C,D,X[ 2], 3,0x5A827999L);
- R1(D,A,B,C,X[ 6], 5,0x5A827999L);
- R1(C,D,A,B,X[10], 9,0x5A827999L);
- R1(B,C,D,A,X[14],13,0x5A827999L);
- R1(A,B,C,D,X[ 3], 3,0x5A827999L);
- R1(D,A,B,C,X[ 7], 5,0x5A827999L);
- R1(C,D,A,B,X[11], 9,0x5A827999L);
- R1(B,C,D,A,X[15],13,0x5A827999L);
- /* Round 2 */
- R2(A,B,C,D,X[ 0], 3,0x6ED9EBA1);
- R2(D,A,B,C,X[ 8], 9,0x6ED9EBA1);
- R2(C,D,A,B,X[ 4],11,0x6ED9EBA1);
- R2(B,C,D,A,X[12],15,0x6ED9EBA1);
- R2(A,B,C,D,X[ 2], 3,0x6ED9EBA1);
- R2(D,A,B,C,X[10], 9,0x6ED9EBA1);
- R2(C,D,A,B,X[ 6],11,0x6ED9EBA1);
- R2(B,C,D,A,X[14],15,0x6ED9EBA1);
- R2(A,B,C,D,X[ 1], 3,0x6ED9EBA1);
- R2(D,A,B,C,X[ 9], 9,0x6ED9EBA1);
- R2(C,D,A,B,X[ 5],11,0x6ED9EBA1);
- R2(B,C,D,A,X[13],15,0x6ED9EBA1);
- R2(A,B,C,D,X[ 3], 3,0x6ED9EBA1);
- R2(D,A,B,C,X[11], 9,0x6ED9EBA1);
- R2(C,D,A,B,X[ 7],11,0x6ED9EBA1);
- R2(B,C,D,A,X[15],15,0x6ED9EBA1);
-
- A = c->A += A;
- B = c->B += B;
- C = c->C += C;
- D = c->D += D;
- }
- }
-#endif
-
#ifndef md4_block_data_order
#ifdef X
#undef X
@@ -240,19 +165,3 @@ void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num)
}
}
#endif
-
-#ifdef undef
-int printit(unsigned long *l)
- {
- int i,ii;
-
- for (i=0; i<2; i++)
- {
- for (ii=0; ii<8; ii++)
- {
- fprintf(stderr,"%08lx ",l[i*8+ii]);
- }
- fprintf(stderr,"\n");
- }
- }
-#endif
diff --git a/crypto/md4/md4_locl.h b/crypto/md4/md4_locl.h
index 625b587fde..c8085b0ead 100644
--- a/crypto/md4/md4_locl.h
+++ b/crypto/md4/md4_locl.h
@@ -65,44 +65,13 @@
#define MD4_LONG_LOG2 2 /* default to 32 bits */
#endif
-void md4_block_host_order (MD4_CTX *c, const void *p,size_t num);
void md4_block_data_order (MD4_CTX *c, const void *p,size_t num);
-#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__) || \
- defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
-# if !defined(B_ENDIAN)
-/*
- * *_block_host_order is expected to handle aligned data while
- * *_block_data_order - unaligned. As algorithm and host (x86)
- * are in this case of the same "endianness" these two are
- * otherwise indistinguishable. But normally you don't want to
- * call the same function because unaligned access in places
- * where alignment is expected is usually a "Bad Thing". Indeed,
- * on RISCs you get punished with BUS ERROR signal or *severe*
- * performance degradation. Intel CPUs are in turn perfectly
- * capable of loading unaligned data without such drastic side
- * effect. Yes, they say it's slower than aligned load, but no
- * exception is generated and therefore performance degradation
- * is *incomparable* with RISCs. What we should weight here is
- * costs of unaligned access against costs of aligning data.
- * According to my measurements allowing unaligned access results
- * in ~9% performance improvement on Pentium II operating at
- * 266MHz. I won't be surprised if the difference will be higher
- * on faster systems:-)
- *
- * <appro@fy.chalmers.se>
- */
-# define md4_block_data_order md4_block_host_order
-# endif
-#endif
-
#define DATA_ORDER_IS_LITTLE_ENDIAN
#define HASH_LONG MD4_LONG
-#define HASH_LONG_LOG2 MD4_LONG_LOG2
#define HASH_CTX MD4_CTX
#define HASH_CBLOCK MD4_CBLOCK
-#define HASH_LBLOCK MD4_LBLOCK
#define HASH_UPDATE MD4_Update
#define HASH_TRANSFORM MD4_Transform
#define HASH_FINAL MD4_Final
@@ -113,21 +82,7 @@ void md4_block_data_order (MD4_CTX *c, const void *p,size_t num);
ll=(c)->C; HOST_l2c(ll,(s)); \
ll=(c)->D; HOST_l2c(ll,(s)); \
} while (0)
-#define HASH_BLOCK_HOST_ORDER md4_block_host_order
-#if !defined(L_ENDIAN) || defined(md4_block_data_order)
#define HASH_BLOCK_DATA_ORDER md4_block_data_order
-/*
- * Little-endians (Intel and Alpha) feel better without this.
- * It looks like memcpy does better job than generic
- * md4_block_data_order on copying-n-aligning input data.
- * But frankly speaking I didn't expect such result on Alpha.
- * On the other hand I've got this with egcs-1.0.2 and if
- * program is compiled with another (better?) compiler it
- * might turn out other way around.
- *
- * <appro@fy.chalmers.se>
- */
-#endif
#include "md32_common.h"