Use size_t for asn1 parser.

asn1.h

@@ -93,23 +93,23 @@ enum asn1_iterator_result
 /* Parsing DER objects. */
 struct asn1_der_iterator
 {
-  unsigned buffer_length;
+  size_t buffer_length;
   const uint8_t *buffer;
 
   /* Next object to parse. */
-  unsigned pos;
+  size_t pos;
 
   enum asn1_type type;
 
   /* Pointer to the current object */
-  unsigned length;
+  size_t length;
   const uint8_t *data;
 };
 
 /* Initializes the iterator. */
 enum asn1_iterator_result
 asn1_der_iterator_first(struct asn1_der_iterator *iterator,
-			unsigned length, const uint8_t *input);
+			size_t length, const uint8_t *input);
 
 enum asn1_iterator_result
 asn1_der_iterator_next(struct asn1_der_iterator *iterator);

der-iterator.c

@@ -87,7 +87,7 @@ enum {
  * first element. */
 static void
 asn1_der_iterator_init(struct asn1_der_iterator *iterator,
-		       unsigned length, const uint8_t *input)
+		       size_t length, const uint8_t *input)
 {
   iterator->buffer_length = length;
   iterator->buffer = input;
@@ -133,7 +133,7 @@ asn1_der_iterator_next(struct asn1_der_iterator *i)
       if (LEFT(i) < k)
 	return ASN1_ITERATOR_ERROR;
 
-      if (k > sizeof(unsigned))
+      if (k > sizeof(i->length))
 	return ASN1_ITERATOR_ERROR;
 
       i->pos += k;
@@ -164,7 +164,7 @@ asn1_der_iterator_next(struct asn1_der_iterator *i)
 
 enum asn1_iterator_result
 asn1_der_iterator_first(struct asn1_der_iterator *i,
-			unsigned length, const uint8_t *input)
+			size_t length, const uint8_t *input)
 {
   asn1_der_iterator_init(i, length, input);
   return asn1_der_iterator_next(i);
@@ -216,7 +216,7 @@ asn1_der_get_uint32(struct asn1_der_iterator *i,
   /* Big endian, two's complement, minimum number of octets (except 0,
      which is encoded as a single octet */
   uint32_t value = 0;
-  unsigned length = i->length;
+  size_t length = i->length;
   unsigned k;
 
   if (!length || length > 5)

der2dsa.c

@@ -105,7 +105,7 @@ int
 dsa_openssl_private_key_from_der(struct dsa_public_key *pub,
 				 struct dsa_private_key *priv,
 				 unsigned p_max_bits,
-		     unsigned length, const uint8_t *data)
+				 size_t length, const uint8_t *data)
 {
   struct asn1_der_iterator i;
   enum asn1_iterator_result res;

der2rsa.c

@@ -116,7 +116,7 @@ int
 rsa_keypair_from_der(struct rsa_public_key *pub,
 		     struct rsa_private_key *priv,
 		     unsigned limit, 
-		     unsigned length, const uint8_t *data)
+		     size_t length, const uint8_t *data)
 {
   struct asn1_der_iterator i;
   enum asn1_iterator_result res;

dsa.h

@@ -268,7 +268,7 @@ int
 dsa_openssl_private_key_from_der(struct dsa_public_key *pub,
 				 struct dsa_private_key *priv,
 				 unsigned p_max_bits, 
-				 unsigned length, const uint8_t *data);
+				 size_t length, const uint8_t *data);
 
 
 /* Internal functions. */

rsa.h

@@ -386,7 +386,7 @@ int
 rsa_keypair_from_der(struct rsa_public_key *pub,
 		     struct rsa_private_key *priv,
 		     unsigned limit, 
-		     unsigned length, const uint8_t *data);
+		     size_t length, const uint8_t *data);
 
 /* OpenPGP format. Experimental interface, subject to change. */
 int