X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fmd32_common.h;h=bb7381952a2263dc9ee56afbf4af20dc33078001;hb=edf6b025b11919492af4e34cefbd78b26ece4c1c;hp=ce956df3825ac8bd5aad2d2567acb671ce3db596;hpb=c69ed6ea396b184fd56327b475a441081fcade8e;p=oweals%2Fopenssl.git

diff --git a/crypto/md32_common.h b/crypto/md32_common.h
index ce956df382..bb7381952a 100644
--- a/crypto/md32_common.h
+++ b/crypto/md32_common.h
@@ -1,6 +1,6 @@
 /* crypto/md32_common.h */
 /* ====================================================================
- * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2007 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -165,7 +165,7 @@
 				asm (			\
 				"roll %1,%0"		\
 				: "=r"(ret)		\
-				: "I"(n), "0"(a)	\
+				: "I"(n), "0"((unsigned int)(a))	\
 				: "cc");		\
 			   ret;				\
 			})
@@ -178,6 +178,13 @@
 				: "r"(a), "I"(n));	\
 			   ret;				\
 			})
+#  elif defined(__s390x__)
+#   define ROTATE(a,n) ({ register unsigned int ret;	\
+				asm ("rll %0,%1,%2"	\
+				: "=r"(ret)		\
+				: "r"(a), "I"(n));	\
+			  ret;				\
+			})
 #  endif
 # endif
 #endif /* PEDANTIC */
@@ -209,6 +216,10 @@
 #  endif
 # endif
 #endif
+#if defined(__s390__) || defined(__s390x__)
+# define HOST_c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4, (l))
+# define HOST_l2c(l,c) (*((unsigned int *)(c))=(l), (c)+=4, (l))
+#endif
 
 #ifndef HOST_c2l
 #define HOST_c2l(c,l)	(l =(((unsigned long)(*((c)++)))<<24),		\
@@ -227,6 +238,18 @@
 
 #elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
 
+#ifndef PEDANTIC
+# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
+#  if defined(__s390x__)
+#   define HOST_c2l(c,l)	({ asm ("lrv	%0,%1"			\
+				   :"=d"(l) :"m"(*(const unsigned int *)(c)));\
+				   (c)+=4; (l);				})
+#   define HOST_l2c(l,c)	({ asm ("strv	%1,%0"			\
+				   :"=m"(*(unsigned int *)(c)) :"d"(l));\
+				   (c)+=4; (l);				})
+#  endif
+# endif
+#endif
 #if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
 # ifndef B_ENDIAN
    /* See comment in DATA_ORDER_IS_BIG_ENDIAN section. */
@@ -270,7 +293,7 @@ int HASH_UPDATE (HASH_CTX *c, const void *data_, size_t len)
 	 * Wei Dai <weidai@eskimo.com> for pointing it out. */
 	if (l < c->Nl) /* overflow */
 		c->Nh++;
-	c->Nh+=(len>>29);	/* might cause compiler warning on 16-bit */
+	c->Nh+=(HASH_LONG)(len>>29);	/* might cause compiler warning on 16-bit */
 	c->Nl=l;
 
 	n = c->num;
@@ -278,7 +301,7 @@ int HASH_UPDATE (HASH_CTX *c, const void *data_, size_t len)
 		{
 		p=(unsigned char *)c->data;
 
-		if ((n+len) >= HASH_CBLOCK)
+		if (len >= HASH_CBLOCK || len+n >= HASH_CBLOCK)
 			{
 			memcpy (p+n,data,HASH_CBLOCK-n);
 			HASH_BLOCK_DATA_ORDER (c,p,1);
@@ -308,7 +331,7 @@ int HASH_UPDATE (HASH_CTX *c, const void *data_, size_t len)
 	if (len != 0)
 		{
 		p = (unsigned char *)c->data;
-		c->num = len;
+		c->num = (unsigned int)len;
 		memcpy (p,data,len);
 		}
 	return 1;
@@ -331,9 +354,11 @@ int HASH_FINAL (unsigned char *md, HASH_CTX *c)
 
 	if (n > (HASH_CBLOCK-8))
 		{
+		memset (p+n,0,HASH_CBLOCK-n);
+		n=0;
 		HASH_BLOCK_DATA_ORDER (c,p,1);
-		memset (p,0,HASH_CBLOCK);
 		}
+	memset (p+n,0,HASH_CBLOCK-8-n);
 
 	p += HASH_CBLOCK-8;
 #if   defined(DATA_ORDER_IS_BIG_ENDIAN)
@@ -358,6 +383,7 @@ int HASH_FINAL (unsigned char *md, HASH_CTX *c)
 	}
 
 #ifndef MD32_REG_T
+#if defined(__alpha) || defined(__sparcv9) || defined(__mips)
 #define MD32_REG_T long
 /*
  * This comment was originaly written for MD5, which is why it
@@ -375,9 +401,15 @@ int HASH_FINAL (unsigned char *md, HASH_CTX *c)
  * Well, to be honest it should say that this *prevents* 
  * performance degradation.
  *				<appro@fy.chalmers.se>
- * Apparently there're LP64 compilers that generate better
- * code if A-D are declared int. Most notably GCC-x86_64
- * generates better code.
+ */
+#else
+/*
+ * Above is not absolute and there are LP64 compilers that
+ * generate better code if MD32_REG_T is defined int. The above
+ * pre-processor condition reflects the circumstances under which
+ * the conclusion was made and is subject to further extension.
  *				<appro@fy.chalmers.se>
  */
+#define MD32_REG_T int
+#endif
 #endif