--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dcrypt/crypto/MAC.d	Thu Aug 14 01:45:24 2008 -0400
@@ -0,0 +1,52 @@
+/**
+ * This file is part of the dcrypt project.
+ *
+ * Copyright: Copyright (C) dcrypt contributors 2008. All rights reserved.
+ * License:   MIT
+ * Authors:   Thomas Dixon
+ */
+
+module dcrypt.crypto.MAC;
+
+public import dcrypt.crypto.params.CipherParameters;
+public import dcrypt.crypto.errors.InvalidParameterError;
+import dcrypt.misc.Util;
+
+/** Base MAC class */
+abstract class MAC {
+    /**
+     * Initialize a MAC.
+     * 
+     * Params:
+     *     params  = Parameters to be passed to the MAC. (Key, etc.)
+     */
+    void init(CipherParameters params);
+    
+    /**
+     * Introduce data into the MAC.
+     * 
+     * Params:
+     *     input_ = Data to be processed.
+     */
+    void update(void[] input_);
+    
+    /** Returns: The name of this MAC. */
+    char[] name();
+    
+    /** Reset MAC to its state immediately subsequent the last init. */
+    void reset();
+    
+    /** Returns: The block size in bytes that this MAC will operate on. */
+    uint blockSize();
+    
+    /** Returns: The output size of the MAC in bytes. */
+    uint macSize();
+    
+    /** Returns: The computed MAC. */
+    ubyte[] finish();
+    
+    /** Returns: The computed MAC in hexadecimal. */
+    char[] hexFinish() {
+        return Util.ubytesToHex(finish());
+    }
+}
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