diff --git a/lib/asn1/check-gen.c b/lib/asn1/check-gen.c
index 4cd04c46b..3047aaca9 100644
--- a/lib/asn1/check-gen.c
+++ b/lib/asn1/check-gen.c
@@ -80,18 +80,22 @@ cmp_principal (void *a, void *b)
 static int
 test_principal (void)
 {
+
     struct test_case tests[] = {
 	{ NULL, 29, 
-	  "0\e \0200\016 \003\002\001\001¡\a0\005\e\003"
-	  "lha¡\a\e\005SU.SE" 
+	  (unsigned char*)"\x30\x1b\xa0\x10\x30\x0e\xa0\x03\x02\x01\x01\xa1\x07\x30\x05\x1b"
+	  "\x03\x6c\x68\x61\xa1\x07\x1b\x05\x53\x55\x2e\x53\x45"
 	},
 	{ NULL, 35,
-	  "0! \0260\024 \003\002\001\001¡\r0\013\e\003"
-	  "lha\e\004root¡\a\e\005SU.SE"
+	  (unsigned char*)"\x30\x21\xa0\x16\x30\x14\xa0\x03\x02\x01\x01\xa1\x0d\x30\x0b\x1b"
+	  "\x03\x6c\x68\x61\x1b\x04\x72\x6f\x6f\x74\xa1\x07\x1b\x05\x53\x55"
+	  "\x2e\x53\x45"
 	},
 	{ NULL, 54, 
-	  "04 &0$ \003\002\001\003¡\0350\e\e\004"
-	  "host\e\023nutcracker.e.kth.se¡\n\e\bE.KTH.SE"
+	  (unsigned char*)"\x30\x34\xa0\x26\x30\x24\xa0\x03\x02\x01\x03\xa1\x1d\x30\x1b\x1b"
+	  "\x04\x68\x6f\x73\x74\x1b\x13\x6e\x75\x74\x63\x72\x61\x63\x6b\x65"
+	  "\x72\x2e\x65\x2e\x6b\x74\x68\x2e\x73\x65\xa1\x0a\x1b\x08\x45\x2e"
+	  "\x4b\x54\x48\x2e\x53\x45"
 	}
     };
 
@@ -140,14 +144,14 @@ test_authenticator (void)
 {
     struct test_case tests[] = {
 	{ NULL, 63, 
-	  "\x62\x3d\x30\x3b\xa0\x03\x02\x01\x05\xa1\x0a\x1b\x08"
+	  (unsigned char*)"\x62\x3d\x30\x3b\xa0\x03\x02\x01\x05\xa1\x0a\x1b\x08"
 	  "\x45\x2e\x4b\x54\x48\x2e\x53\x45\xa2\x10\x30\x0e\xa0"
 	  "\x03\x02\x01\x01\xa1\x07\x30\x05\x1b\x03\x6c\x68\x61"
 	  "\xa4\x03\x02\x01\x0a\xa5\x11\x18\x0f\x31\x39\x37\x30"
 	  "\x30\x31\x30\x31\x30\x30\x30\x31\x33\x39\x5a"
 	},
 	{ NULL, 67, 
-	  "\x62\x41\x30\x3f\xa0\x03\x02\x01\x05\xa1\x07\x1b\x05"
+	  (unsigned char*)"\x62\x41\x30\x3f\xa0\x03\x02\x01\x05\xa1\x07\x1b\x05"
 	  "\x53\x55\x2e\x53\x45\xa2\x16\x30\x14\xa0\x03\x02\x01"
 	  "\x01\xa1\x0d\x30\x0b\x1b\x03\x6c\x68\x61\x1b\x04\x72"
 	  "\x6f\x6f\x74\xa4\x04\x02\x02\x01\x24\xa5\x11\x18\x0f"