Add OEJ's md5 app (bug #3604)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5048 65c4cc65-6c06-0410-ace0-fbb531ad65f3

utils.c

@@ -25,6 +25,7 @@
 #include <asterisk/lock.h>
 #include <asterisk/utils.h>
 #include <asterisk/logger.h>
+#include <asterisk/md5.h>
 
 static char base64[64];
 static char b2a[256];
@@ -245,6 +246,21 @@ int test_for_thread_safety(void)
 	return(test_errors);          /* return 0 on success. */
 }
 
+/*--- ast_md5_hash: Produce 16 char MD5 hash of value. ---*/
+void ast_md5_hash(char *output, char *input)
+{
+		struct MD5Context md5;
+		unsigned char digest[16];
+		char *ptr;
+		int x;
+		MD5Init(&md5);
+		MD5Update(&md5, input, strlen(input));
+		MD5Final(digest, &md5);
+		ptr = output;
+		for (x=0;x<16;x++)
+			ptr += sprintf(ptr, "%2.2x", digest[x]);
+}
+
 int ast_base64decode(unsigned char *dst, char *src, int max)
 {
 	int cnt = 0;