--- a/src/luan/modules/BinaryLuan.java	Mon Mar 28 18:00:12 2022 +0200
+++ b/src/luan/modules/BinaryLuan.java	Tue Mar 29 16:07:01 2022 -0600
@@ -1,6 +1,8 @@
 package luan.modules;
 
 import java.io.UnsupportedEncodingException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import luan.Luan;
 import luan.LuanTable;
 import luan.LuanFunction;
@@ -55,4 +57,16 @@
 		return charsetName!=null ? new String(binary,charsetName) : toString(binary);
 	}
 
+	public static byte[] digest_message(String algorithm,byte[] input) throws NoSuchAlgorithmException {
+		return MessageDigest.getInstance(algorithm).digest(input);
+	}
+
+	public static String to_hex(byte[] a) {
+		StringBuilder sb = new StringBuilder();
+		for( byte b : a ) {
+			sb.append( String.format("%02x",b) );
+		}
+		return sb.toString();
+	}
+
 }