<!DOCTYPE HTML>
<html>
<head>
<title>JavaScript Elliptic Curve Benchtest</title>
</head>
<body>
<h1>JavaScript Benchmark ECC and RSA</h1>
<script type="text/javascript" src="DBIG.js"></script>
<script type="text/javascript" src="BIG.js"></script>
<script type="text/javascript" src="FP.js"></script>
<script type="text/javascript" src="ROM.js"></script>
<script type="text/javascript" src="FF.js"></script>
<script type="text/javascript" src="ECP.js"></script>
<script type="text/javascript" src="RSA.js"></script>
<script type="text/javascript" src="HASH256.js"></script>
<script type="text/javascript" src="RAND.js"></script>
<script>
/* test driver and function exerciser ECC functions */
		var i,j;
		var result;
		var MIN_ITERS=10;
		var MIN_TIME=10;
		var pub=new rsa_public_key(ROM.FFLEN);
		var priv=new rsa_private_key(ROM.HFLEN);
		var fail=false;

		var RAW=[];
		var M=[];
		var C=[];
		var P=[];

		var rng=new RAND();

		rng.clean();
		for (i=0;i<100;i++) RAW[i]=i;

		rng.seed(100,RAW);

		if (ROM.CURVETYPE==ROM.WEIERSTRASS)
		{
			window.document.write("Weierstrass parameterization "+ "<br>");
		}		
		if (ROM.CURVETYPE==ROM.EDWARDS)
		{
			window.document.write("Edwards parameterization"+ "<br>");
		}
		if (ROM.CURVETYPE==ROM.MONTGOMERY)
		{
			window.document.write("Montgomery parameterization"+ "<br>");
		}

		if (ROM.MODTYPE==ROM.PSEUDO_MERSENNE)
		{
			window.document.write("Pseudo-Mersenne Modulus"+ "<br>");
		}
		if (ROM.MODTYPE==ROM.MONTGOMERY_FRIENDLY)
		{
			window.document.write("Montgomery friendly Modulus"+ "<br>");
		}
		if (ROM.MODTYPE==ROM.GENERALISED_MERSENNE)
		{
			window.document.write("Generalised-Mersenne Modulus"+ "<br>");
		}
		if (ROM.MODTYPE==ROM.NOT_SPECIAL)
		{
			window.document.write("Not special Modulus"+ "<br>");
		}

		window.document.write("Modulus size "+ROM.MODBITS+ " bits"+ "<br>"); 
		window.document.write(ROM.CHUNK + " bit build"+ "<br>"); 
		var r,gx,gy,s;
		var G,WP;
		var res=0;

		G=new ECP(0);

		gx=new BIG(0); gx.rcopy(ROM.CURVE_Gx);

		if (ROM.CURVETYPE!=ROM.MOMTGOMERY)
		{
			gy=new BIG(0); gy.rcopy(ROM.CURVE_Gy);
			G.setxy(gx,gy);
		}
		else G.setx(gx);

		r=new BIG(0); r.rcopy(ROM.CURVE_Order);
		s=BIG.randomnum(r,rng);
			
		WP=G.mul(r);
		if (!WP.is_infinity())
		{
			alert("FAILURE - rG!=O");
			fail=true;
		}
		var elapsed;
		var start = performance.now();
		iterations=0;
		do {
			WP=G.mul(s);
			iterations++;
			elapsed=(performance.now()-start);
		} while (elapsed<MIN_TIME*1000 || iterations<MIN_ITERS);
		dur=elapsed/iterations;
		window.document.write("EC  mul - " + iterations + " iterations  ");
		window.document.write(dur.toFixed(2) + " ms per iteration"+ "<br>");

		window.document.write("Generating " +ROM.FFLEN*ROM.BIGBITS + " - bit RSA public/private key pair"+ "<br>");

		MIN_ITERS=1;
		start = performance.now();
		iterations=0;
		do {
			RSA.KEY_PAIR(rng,65537,priv,pub);
			iterations++;
			elapsed=(performance.now()-start);
		} while (elapsed<MIN_TIME*1000 || iterations<MIN_ITERS);
		dur=elapsed/iterations;
		window.document.write("RSA gen - " + iterations + " iteration  ");
		window.document.write(dur.toFixed(2) + " ms per iteration"+ "<br>");

		MIN_ITERS=10;

		for (i=0;i<RSA.RFS;i++) M[i]=(i%128);

		start = performance.now();
		iterations=0;
		do {
			RSA.ENCRYPT(pub,M,C);
			iterations++;
			elapsed=(performance.now()-start);
		} while (elapsed<MIN_TIME*1000 || iterations<MIN_ITERS);
		dur=elapsed/iterations;
		window.document.write("RSA enc - " + iterations + " iterations  ");
		window.document.write(dur.toFixed(2) + " ms per iteration"+ "<br>");

		start = performance.now();
		iterations=0;
		do {
			RSA.DECRYPT(priv,C,P);
			iterations++;
			elapsed=(performance.now()-start);
		} while (elapsed<MIN_TIME*1000 || iterations<MIN_ITERS);
		dur=elapsed/iterations;
		window.document.write("RSA dec - " + iterations + " iterations  ");
		window.document.write(dur.toFixed(2) + " ms per iteration"+ "<br>");

		var cmp=true;
		for (i=0;i<RSA.RFS;i++)
		{
			if (P[i]!=M[i]) cmp=false;
		}

		if (!cmp)
		{
			alert("FAILURE - RSA decryption");
			fail=true;
		}
		if (!fail) window.document.write("All tests pass"+ "<br>");

</script>
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