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source/com/hurlant/crypto/tests/SHA224Test.as

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+/**
+ * SHA224Test
+ * 
+ * A test class for SHA224
+ * Copyright (c) 2007 Henri Torgemane
+ * 
+ * See LICENSE.txt for full license information.
+ */
+package com.hurlant.crypto.tests
+{
+	import com.hurlant.crypto.hash.SHA224;
+	import com.hurlant.util.Hex;
+	
+	import flash.utils.ByteArray;
+	
+	public class SHA224Test extends TestCase
+	{
+		public function SHA224Test(h:ITestHarness)
+		{
+			super(h,"SHA-224 Test");
+			runTest(testSha224,"SHA-224 Test Vectors");
+			// takes a few seconds, but uncomment if you must.
+			//runTest(testLongSha224,"SHA-224 Long Test Vectors");
+			h.endTestCase();
+		}
+		
+		/**
+		 * Test vectors courtesy of
+		 * http://www.ietf.org/rfc/rfc3874.txt
+		 */
+		public function testSha224():void {
+			var srcs:Array = [
+			Hex.fromString("abc"),
+			Hex.fromString("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq")];
+			var hashes:Array = [
+			"23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
+			"75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525"];
+			
+			var sha224:SHA224 = new SHA224;
+			for (var i:uint=0;i<srcs.length;i++) {
+				var src:ByteArray = Hex.toArray(srcs[i]);
+				var digest:ByteArray = sha224.hash(src);
+				assert("SHA224 Test "+i, Hex.fromArray(digest) == hashes[i]);
+			}
+		}
+		public function testLongSha224():void {
+			var src:ByteArray = new ByteArray;
+			var a:uint = "a".charCodeAt(0);
+			for (var i:uint=0;i<1e6;i++) {
+				src[i] = a;
+			}
+			var sha224:SHA224 = new SHA224;
+			var digest:ByteArray = sha224.hash(src);
+			var hash:String = "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67";
+			assert("SHA224 Long Test", Hex.fromArray(digest) == hash);
+		}
+	}
+}