Less "pointer targets in passing argument differ in signedness" warnings.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17509 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/des/rc2test.c

@@ -42,11 +42,11 @@ RCSID("$Id$");
 #include <string.h>
 
 struct {
-    const char *key;
+    const void *key;
     const int keylen;
     const int bitsize;
-    const char *plain;
+    const void *plain;
-    const char *cipher;
+    const void *cipher;
 } tests[] = {
     {
 	"\x00\x00\x00\x00\x00\x00\x00\x00"
@@ -103,12 +103,12 @@ struct {
     }
 };
 
-const char cbc_key[16] = 
+const unsigned char cbc_key[16] = 
 "\x00\x00\x00\x00\x00\x00\x00\x00"
 "\x00\x00\x00\x00\x00\x00\x00\x00";
 const char cbc_iv[8] =
 "\x01\x01\x01\x01\x01\x01\x01\x01";
-const char cbc_in_data[32] = 
+const unsigned char cbc_in_data[32] = 
 "\x20\x20\x20\x20\x20\x20\x20\x20"
 "\x20\x20\x20\x20\x20\x20\x20\x20"
 "\x20\x20\x20\x20\x20\x20\x20\x20"

lib/des/rctest.c

@@ -144,7 +144,7 @@ const unsigned char cipher3[] =
 int
 main (void)
 {
-    char buf[1024];
+    unsigned char buf[1024];
     RC4_KEY key;
 
     RC4_set_key(&key, 8, key1);

lib/krb5/aes-test.c

@@ -472,8 +472,9 @@ char *aes_key2 =
 
 
 static int
-samep(int testn, char *type, const char *p1, const char *p2, size_t len)
+samep(int testn, char *type, const void *pp1, const void *pp2, size_t len)
 {
+    const unsigned char *p1 = pp1, *p2 = pp2;
     size_t i;
     int val = 1;
 
@@ -493,13 +494,13 @@ samep(int testn, char *type, const char *p1, const char *p2, size_t len)
 }
 
 static int
-encryption_test(krb5_context context, char *key, size_t keylen,
+encryption_test(krb5_context context, const void *key, size_t keylen,
 		struct enc_test *enc, int numenc)
 {
-    char iv[AES_BLOCK_SIZE];
+    unsigned char iv[AES_BLOCK_SIZE];
     int i, val, failed = 0;
     AES_KEY ekey, dkey;
-    char *p;
+    unsigned char *p;
 
     AES_set_encrypt_key(key, keylen, &ekey);
     AES_set_decrypt_key(key, keylen, &dkey);