Remove some unnecessary(?) casting.

crypto/des/enc_read.c

diff --git a/crypto/des/enc_read.c b/crypto/des/enc_read.c
index ed0f8f0..23768da 100644
--- a/crypto/des/enc_read.c
+++ b/crypto/des/enc_read.c
@@ -103,17 +103,17 @@
 
 	if (tmpbuf == NULL)
 		{
-		tmpbuf=(unsigned char *)Malloc(BSIZE);
+		tmpbuf=Malloc(BSIZE);
 		if (tmpbuf == NULL) return(-1);
 		}
 	if (net == NULL)
 		{
-		net=(unsigned char *)Malloc(BSIZE);
+		net=Malloc(BSIZE);
 		if (net == NULL) return(-1);
 		}
 	if (unnet == NULL)
 		{
-		unnet=(unsigned char *)Malloc(BSIZE);
+		unnet=Malloc(BSIZE);
 		if (unnet == NULL) return(-1);
 		}
 	/* left over data from last decrypt */
@@ -147,7 +147,7 @@
 	/* first - get the length */
 	while (net_num < HDRSIZE) 
 		{
-		i=read(fd,&(net[net_num]),(unsigned int)HDRSIZE-net_num);
+		i=read(fd,&(net[net_num]),HDRSIZE-net_num);
 #ifdef EINTR
 		if ((i == -1) && (errno == EINTR)) continue;
 #endif
@@ -169,7 +169,7 @@
 	net_num=0;
 	while (net_num < rnum)
 		{
-		i=read(fd,&(net[net_num]),(unsigned int)rnum-net_num);
+		i=read(fd,&(net[net_num]),rnum-net_num);
 #ifdef EINTR
 		if ((i == -1) && (errno == EINTR)) continue;
 #endif
@@ -216,11 +216,11 @@
 		else
 			{
 			if (des_rw_mode & DES_PCBC_MODE)
-				des_pcbc_encrypt(net,(unsigned char*)buf,num,
-						 sched,iv,DES_DECRYPT);
+				des_pcbc_encrypt(net,buf,num,sched,iv,
+						 DES_DECRYPT);
 			else
-				des_cbc_encrypt(net,(unsigned char*)buf,num,
-						sched,iv,DES_DECRYPT);
+				des_cbc_encrypt(net,buf,num,sched,iv,
+						DES_DECRYPT);
 			}
 		}
 	return((int)num);

crypto/des/enc_writ.c

diff --git a/crypto/des/enc_writ.c b/crypto/des/enc_writ.c
index 6690ff6..c2b4074 100644
--- a/crypto/des/enc_writ.c
+++ b/crypto/des/enc_writ.c
@@ -96,7 +96,7 @@
 
 	if (outbuf == NULL)
 		{
-		outbuf=(unsigned char *)Malloc(BSIZE+HDRSIZE);
+		outbuf=Malloc(BSIZE+HDRSIZE);
 		if (outbuf == NULL) return(-1);
 		}
 	/* If we are sending less than 8 bytes, the same char will look
@@ -104,7 +104,7 @@
 	if (start)
 		{
 		start=0;
-		srandom((unsigned int)time(NULL));
+		srandom(time(NULL));
 		}
 
 	/* lets recurse if we want to send the data in small chunks */
@@ -131,7 +131,7 @@
 	if (len < 8)
 		{
 		cp=shortbuf;
-		memcpy(shortbuf,buf,(unsigned int)len);
+		memcpy(shortbuf,buf,len);
 		for (i=len; i<8; i++)
 			shortbuf[i]=random();
 		rnum=8;
@@ -150,13 +150,13 @@
 				DES_ENCRYPT); 
 
 	/* output */
-	outnum=(int)rnum+HDRSIZE;
+	outnum=rnum+HDRSIZE;
 
 	for (j=0; j<outnum; j+=i)
 		{
 		/* eay 26/08/92 I was not doing writing from where we
 		 * got upto. */
-		i=write(fd,&(outbuf[j]),(unsigned int)(outnum-j));
+		i=write(fd,&(outbuf[j]),outnum-j);
 		if (i == -1)
 			{
 			if (errno == EINTR)