no commit message

2020-09-17 18:40:01 +08:00
parent 4382915d09
commit d957abceaa
283 changed files with 86935 additions and 63 deletions
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+/**
+ * ARC4Test
+ * 
+ * A test class for ARC4
+ * Copyright (c) 2007 Henri Torgemane
+ * 
+ * See LICENSE.txt for full license information.
+ */
+package com.hurlant.crypto.tests
+{
+	import com.hurlant.util.Hex;
+	import flash.utils.ByteArray;
+	import com.hurlant.crypto.prng.ARC4;
+	
+	public class ARC4Test extends TestCase
+	{
+		public function ARC4Test(h:ITestHarness)
+		{
+			super(h, "ARC4 Test");
+			runTest(testLameVectors,"ARC4 Test Vectors");
+			h.endTestCase();
+		}
+		
+		/**
+		 * Sad test vectors pilfered from
+		 * http://en.wikipedia.org/wiki/RC4
+		 */
+		public function testLameVectors():void {
+			var keys:Array = [
+			Hex.fromString("Key"),
+			Hex.fromString("Wiki"),
+			Hex.fromString("Secret")];
+			var pts:Array = [
+			Hex.fromString("Plaintext"),
+			Hex.fromString("pedia"),
+			Hex.fromString("Attack at dawn")];
+			var cts:Array = [
+			"BBF316E8D940AF0AD3",
+			"1021BF0420",
+			"45A01F645FC35B383552544B9BF5"];
+			
+			for (var i:uint=0;i<keys.length;i++) {
+				var key:ByteArray = Hex.toArray(keys[i]);
+				var pt:ByteArray = Hex.toArray(pts[i]);
+				var rc4:ARC4 = new ARC4(key);
+				rc4.encrypt(pt);
+				var out:String = Hex.fromArray(pt).toUpperCase();
+				assert("comparing "+cts[i]+" to "+out, cts[i]==out);
+				// now go back to plaintext
+				rc4.decrypt(pt);
+				out = Hex.fromArray(pt);
+				assert("comparing "+pts[i]+" to "+out, pts[i]==out);
+			}
+		}
+		
+	}
+}