Index: ext/libicpf/src/crypt.cpp
===================================================================
diff -u -N -re17c80d36eaa0430313e7d1058aa7a301d1510af -rad4dd0d83cba22eda42a913c4e8bc3244d7379d0
--- ext/libicpf/src/crypt.cpp	(.../crypt.cpp)	(revision e17c80d36eaa0430313e7d1058aa7a301d1510af)
+++ ext/libicpf/src/crypt.cpp	(.../crypt.cpp)	(revision ad4dd0d83cba22eda42a913c4e8bc3244d7379d0)
@@ -127,7 +127,7 @@
 	uchar_t *pby=new uchar_t[tLen/2];
 	
 	// decode hex data
-	if (!hex2bin(pszIn, tLen, pby))
+	if (!hex2bin(pszIn, (uint_t)tLen, pby))
 	{
 		delete [] pby;
 		THROW("hex2bin in strdecrypt_aes256() failed", CE_HEX2BIN, 0, 0);