--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/teal-src/prosody/util/crypto.d.tl	Thu Mar 23 13:36:52 2023 +0100
@@ -0,0 +1,29 @@
+local record lib
+	record key
+		private_pem : function (key) : string
+		public_pem : function (key) : string
+		get_type : function (key) : string
+	end
+
+	generate_ed25519_keypair : function () : key
+	ed25519_sign : function (key, string) : string
+	ed25519_verify : function (key, string, string) : boolean
+
+	ecdsa_sha256_sign : function (key, string) : string
+	ecdsa_sha256_verify : function (key, string, string) : boolean
+	parse_ecdsa_signature : function (string) : string, string
+	build_ecdsa_signature : function (string, string) : string
+
+	import_private_pem : function (string) : key
+	import_public_pem : function (string) : key
+
+	aes_128_gcm_encrypt : function (key, string, string) : string
+	aes_128_gcm_decrypt : function (key, string, string) : string
+	aes_256_gcm_encrypt : function (key, string, string) : string
+	aes_256_gcm_decrypt : function (key, string, string) : string
+
+
+	version : string
+	_LIBCRYPTO_VERSION : string
+end
+return lib