diff -r b79fb94f9e0a -r 0b4ecadaf3f9 libidav/resource.c
--- a/libidav/resource.c	Sun Dec 17 10:53:08 2017 +0100
+++ b/libidav/resource.c	Sun Dec 17 13:20:01 2017 +0100
@@ -664,9 +664,9 @@
                     0);
             
             // get sha256 hash
-            unsigned char sha[SHA256_DIGEST_LENGTH];
+            unsigned char sha[DAV_SHA256_DIGEST_LENGTH];
             dav_get_hash(&enc->sha256, sha);
-            char *enc_hash = aes_encrypt((char*)sha, SHA256_DIGEST_LENGTH, sn->key);
+            char *enc_hash = aes_encrypt((char*)sha, DAV_SHA256_DIGEST_LENGTH, sn->key);
             
             aes_encrypter_close(enc);
             if(buf) {
@@ -772,9 +772,9 @@
         aes_decrypter_shutdown(dec); // get final bytes
         
         // get hash
-        unsigned char sha[SHA256_DIGEST_LENGTH];
+        unsigned char sha[DAV_SHA256_DIGEST_LENGTH];
         dav_get_hash(&dec->sha256, sha);
-        hash = util_hexstr(sha, 32);
+        hash = util_hexstr(sha, DAV_SHA256_DIGEST_LENGTH);
         
         aes_decrypter_close(dec);
     }