diff -r 7ed43dd4d5bf -r 9435cb1ddf76 libidav/crypto.c
--- a/libidav/crypto.c	Sat Oct 20 10:22:42 2018 +0200
+++ b/libidav/crypto.c	Sat Oct 20 11:03:38 2018 +0200
@@ -551,7 +551,7 @@
         size_t avail = outlen;
         status = CCCryptorUpdate(enc->ctx, in, in_len, out + ivl, avail, &outlen);
         if(in_len != len) {
-            int newoutlen = 16;
+            size_t newoutlen = 16;
             status = CCCryptorFinal(enc->ctx, out + ivl + outlen, 16, &newoutlen);
             outlen += newoutlen;
             enc->end = 1;