Extract function to convert ASN.1 INTEGER object to u_int64_t

2013-05-08 14:53:08 +02:00
parent 4076e3ee91
commit c734c2d875
3 changed files with 28 additions and 23 deletions
@@ -170,6 +170,15 @@ int asn1_parse_algorithmIdentifier(chunk_t blob, int level0, chunk_t *params);
 bool asn1_parse_simple_object(chunk_t *object, asn1_t type, u_int level0,
 							  const char* name);

+/**
+ * Converts an ASN.1 INTEGER object to an u_int64_t. If the INTEGER is longer
+ * than 8 bytes only the 8 LSBs are returned.
+ *
+ * @param blob		body of an ASN.1 coded integer object
+ * @return			converted integer
+ */
+u_int64_t asn1_parse_integer_uint64(chunk_t blob);
+
 /**
 * Print the value of an ASN.1 simple object
 *