3 files changed, 12 insertions, 12 deletions
diff --git a/crypto/mdc2/mdc2.h b/crypto/mdc2/mdc2.h
index 793a8a0f13..6490e5c7d3 100644
--- a/crypto/mdc2/mdc2.h
+++ b/crypto/mdc2/mdc2.h
@@ -82,9 +82,9 @@ typedef struct mdc2_ctx_st
 
 
 int MDC2_Init(MDC2_CTX *c);
-int MDC2_Update(MDC2_CTX *c, const unsigned char *data, unsigned long len);
+int MDC2_Update(MDC2_CTX *c, const unsigned char *data, size_t len);
 int MDC2_Final(unsigned char *md, MDC2_CTX *c);
-unsigned char *MDC2(const unsigned char *d, unsigned long n,
+unsigned char *MDC2(const unsigned char *d, size_t n,
 	unsigned char *md);
 
 #ifdef  __cplusplus
diff --git a/crypto/mdc2/mdc2_one.c b/crypto/mdc2/mdc2_one.c
index 37f06c8d77..cd569aa865 100644
--- a/crypto/mdc2/mdc2_one.c
+++ b/crypto/mdc2/mdc2_one.c
@@ -60,7 +60,7 @@
 #include "cryptlib.h"
 #include <openssl/mdc2.h>
 
-unsigned char *MDC2(const unsigned char *d, unsigned long n, unsigned char *md)
+unsigned char *MDC2(const unsigned char *d, size_t n, unsigned char *md)
 	{
 	MDC2_CTX c;
 	static unsigned char m[MDC2_DIGEST_LENGTH];
diff --git a/crypto/mdc2/mdc2dgst.c b/crypto/mdc2/mdc2dgst.c
index 32daa9b0da..aa9ba0ee6b 100644
--- a/crypto/mdc2/mdc2dgst.c
+++ b/crypto/mdc2/mdc2dgst.c
@@ -74,7 +74,7 @@
 			*((c)++)=(unsigned char)(((l)>>16L)&0xff), \
 			*((c)++)=(unsigned char)(((l)>>24L)&0xff))
 
-static void mdc2_body(MDC2_CTX *c, const unsigned char *in, unsigned int len);
+static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len);
 int MDC2_Init(MDC2_CTX *c)
 	{
 	c->num=0;
@@ -84,9 +84,9 @@ int MDC2_Init(MDC2_CTX *c)
 	return 1;
 	}
 
-int MDC2_Update(MDC2_CTX *c, const unsigned char *in, unsigned long len)
+int MDC2_Update(MDC2_CTX *c, const unsigned char *in, size_t len)
 	{
-	int i,j;
+	size_t i,j;
 
 	i=c->num;
 	if (i != 0)
@@ -94,7 +94,7 @@ int MDC2_Update(MDC2_CTX *c, const unsigned char *in, unsigned long len)
 		if (i+len < MDC2_BLOCK)
 			{
 			/* partial block */
-			memcpy(&(c->data[i]),in,(int)len);
+			memcpy(&(c->data[i]),in,len);
 			c->num+=(int)len;
 			return 1;
 			}
@@ -109,25 +109,25 @@ int MDC2_Update(MDC2_CTX *c, const unsigned char *in, unsigned long len)
 			mdc2_body(c,&(c->data[0]),MDC2_BLOCK);
 			}
 		}
-	i=(int)(len&(unsigned long)~(MDC2_BLOCK-1));
+	i=len&~((size_t)MDC2_BLOCK-1);
 	if (i > 0) mdc2_body(c,in,i);
-	j=(int)len-i;
+	j=len-i;
 	if (j > 0)
 		{
 		memcpy(&(c->data[0]),&(in[i]),j);
-		c->num=j;
+		c->num=(int)j;
 		}
 	return 1;
 	}
 
-static void mdc2_body(MDC2_CTX *c, const unsigned char *in, unsigned int len)
+static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len)
 	{
 	register DES_LONG tin0,tin1;
 	register DES_LONG ttin0,ttin1;
 	DES_LONG d[2],dd[2];
 	DES_key_schedule k;
 	unsigned char *p;
-	unsigned int i;
+	size_t i;
 
 	for (i=0; i<len; i+=8)
 		{