Тяжёлые алгоритмы на стероидах (MD5, Base64, CRC32, JPEG, PNG)

by.blooddy.crypto.MD5.hashBytes: 40
com.adobe.crypto.MD5.hashBytes:  4483

by.blooddy.crypto.Base64.encode: 115
mx.utils.Base64Encoder:          1635

by.blooddy.crypto.Base64.decode: 141
mx.utils.Base64Decoder:          2762

by.blooddy.crypto.image.JPEGEncoder.encode: 447
com.adobe.images.JPGEncoder:                3496

by.blooddy.crypto.image.PNG24Encoder.encode: 538
com.adobe.images.PNGEncoder.encode:          1423

package { 
 
	import by.blooddy.crypto.Base64;
	import by.blooddy.crypto.MD5;
	import by.blooddy.crypto.image.JPEGEncoder;
	import by.blooddy.crypto.image.PNG24Encoder;
 
	import com.adobe.crypto.MD5;
	import com.adobe.images.JPGEncoder;
	import com.adobe.images.PNGEncoder;
 
	import flash.display.BitmapData;
	import flash.display.Sprite;
	import flash.text.TextField;
	import flash.utils.ByteArray;
	import flash.utils.getTimer;
 
	import mx.utils.Base64Decoder;
	import mx.utils.Base64Encoder;
 
	[SWF( scriptTimeLimit="255" )]
	public class test extends Sprite {
 
		/**
		 * Constructor
		 */
		public function test() {
			super();
 
			var text:String = '';
			var t:Number;
 
			// BitmapData для тестов
			var bmp:BitmapData = new BitmapData( 1024, 1024, true, 0xFFFF0000 );
			bmp.noise( int( Math.random() * int.MAX_VALUE ), 0, 0xFF, 7, false ); // генерируем шум
 
			// ByteArray для тестов
			var bytes:ByteArray = bmp.getPixels( bmp.rect );
 
			// тест MD5
			t = getTimer();
			by.blooddy.crypto.MD5.hashBytes( bytes );
			text += '\nby.blooddy.crypto.MD5.hashBytes: ' + ( getTimer() - t ); // 40
 
			t = getTimer();
			com.adobe.crypto.MD5.hashBytes( bytes );
			text += '\ncom.adobe.crypto.MD5.hashBytes: ' + ( getTimer() - t ); // 4483
 
			// тест Base64 encode
			t = getTimer();
			var s1:String = by.blooddy.crypto.Base64.encode( bytes, true );
			text += '\nby.blooddy.crypto.Base64.encode: ' + ( getTimer() - t ); // 115
 
			t = getTimer();
			var e:Base64Encoder = new Base64Encoder();
			e.encodeBytes( bytes );
			var s2:String = e.flush();
			text += '\nmx.utils.Base64Encoder: ' + ( getTimer() - t ); // 1635
 
			// тест Base64 decode
			t = getTimer();
			by.blooddy.crypto.Base64.decode( s1 );
			text += '\nby.blooddy.crypto.Base64.decode: ' + ( getTimer() - t ); // 141
 
			t = getTimer();
			var d:Base64Decoder = new Base64Decoder();
			d.decode( s2 );
			d.flush();
			text += '\nmx.utils.Base64Decoder: ' + ( getTimer() - t ); // 2762
 
			// тест JPEG
			t = getTimer();
			by.blooddy.crypto.image.JPEGEncoder.encode( bmp, 60 );
			text += '\nby.blooddy.crypto.image.JPEGEncoder.encode: ' + ( getTimer() - t ); // 447
 
			t = getTimer();
			( new com.adobe.images.JPGEncoder( 60 ) ).encode( bmp );
			text += '\ncom.adobe.images.JPGEncoder: ' + ( getTimer() - t ); // 3496
 
			// тест PNG
			t = getTimer();
			by.blooddy.crypto.image.PNG24Encoder.encode( bmp );
			text += '\nby.blooddy.crypto.image.PNG24Encoder.encode: ' + ( getTimer() - t ); // 538
 
			t = getTimer();
			com.adobe.images.PNGEncoder.encode( bmp );
			text += '\ncom.adobe.images.PNGEncoder.encode: ' + ( getTimer() - t ); // 1423
 
			var tf:TextField = new TextField();
			tf.autoSize = 'left';
			tf.text = text;
			super.addChild( tf );
 
		}
 
	}
 
}