--- libdkim/src/dkimverify.cpp.old	2016-09-25 17:30:24.827496042 -0400
+++ libdkim/src/dkimverify.cpp.old	2016-09-25 17:33:27.949325382 -0400
@@ -211,14 +211,14 @@ 
 unsigned DecodeBase64(char *ptr)
 {
 	static const unsigned char base64_table[256] = {
-		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,
-		-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,
-		-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,
-		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
+		(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,
+		(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,62,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,63,52,53,54,55,56,57,58,59,60,61,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,
+		(unsigned char) -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,
+		(unsigned char) -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,
+		(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,
+		(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,
+		(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,
+		(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1,(unsigned char) -1};
 
 	unsigned char *s = (unsigned char *)ptr;
 	unsigned char *d = (unsigned char *)ptr;