--- a/util/hmac.lua	Fri Apr 19 12:46:24 2019 +0200
+++ b/util/hmac.lua	Fri Apr 19 12:47:49 2019 +0200
@@ -14,4 +14,5 @@
 	md5 = hashes.hmac_md5,
 	sha1 = hashes.hmac_sha1,
 	sha256 = hashes.hmac_sha256,
+	sha512 = hashes.hmac_sha512,
 };