<html><head><style>body { color: white; background-color: black; }</style><script type="text/javascript">
N = 624;
M = 397;
MATRIX_A = 0x9908b0df;
UPPER_MASK = 0x80000000;
LOWER_MASK = 0x7fffffff;
var mt = new Array(N);
var mti = N+1;
function unsigned32 (n1) { return n1 < 0 ? (n1 ^ UPPER_MASK) + UPPER_MASK : n1; }
function subtraction32 (n1, n2) { return n1 < n2 ? unsigned32((0x100000000 - (n2 - n1)) & 0xffffffff) : n1 - n2; }
function addition32 (n1, n2) { return unsigned32((n1 + n2) & 0xffffffff) }
function multiplication32 (n1, n2) {
var sum = 0;
for (var i = 0; i < 32; ++i){
if ((n1 >>> i) & 0x1){
sum = addition32(sum, unsigned32(n2 << i));
}
}
return sum;
}
function init_genrand(s)
{
mt[0]= unsigned32(s & 0xffffffff);
for (mti=1; mti<N; mti++) {
mt[mti] = addition32(multiplication32(1812433253, unsigned32(mt[mti-1] ^ (mt[mti-1] >>> 30))), mti);
mt[mti] = unsigned32(mt[mti] & 0xffffffff);
}
}
function init_by_array(init_key, key_length)
{
var i, j, k;
init_genrand(19650218);
i=1; j=0;
k = (N>key_length ? N : key_length);
for (; k; k--) {
mt
[i] = addition32(addition32(unsigned32(mt
[i] ^ multiplication32(unsigned32(mt[i-1] ^ (mt[i-1] >>> 30)), 1664525)), init_key[j]), j);
mt
[i] = unsigned32(mt
[i] & 0xffffffff);
i++; j++;
if (i>=N) { mt[0] = mt[N-1]; i=1; }
if (j>=key_length) j=0;
}
for (k=N-1; k; k--) {
mt
[i] = subtraction32(unsigned32((dbg=mt
[i]) ^ multiplication32(unsigned32(mt[i-1] ^ (mt[i-1] >>> 30)), 1566083941)), i);
mt
[i] = unsigned32(mt
[i] & 0xffffffff);
i++;
if (i>=N) { mt[0] = mt[N-1]; i=1; }
}
mt[0] = 0x80000000;
}
function genrand_int32()
{
var y;
var mag01 = new Array(0x0, MATRIX_A);
if (mti >= N) {
var kk;
if (mti == N+1)
init_genrand(5489);
for (kk=0;kk<N-M;kk++) {
y = unsigned32((mt[kk]&UPPER_MASK)|(mt[kk+1]&LOWER_MASK));
mt[kk] = unsigned32(mt[kk+M] ^ (y >>> 1) ^ mag01[y & 0x1]);
}
for (;kk<N-1;kk++) {
y = unsigned32((mt[kk]&UPPER_MASK)|(mt[kk+1]&LOWER_MASK));
mt[kk] = unsigned32(mt[kk+(M-N)] ^ (y >>> 1) ^ mag01[y & 0x1]);
}
y = unsigned32((mt[N-1]&UPPER_MASK)|(mt[0]&LOWER_MASK));
mt[N-1] = unsigned32(mt[M-1] ^ (y >>> 1) ^ mag01[y & 0x1]);
mti = 0;
}
y = mt[mti++];
y = unsigned32(y ^ (y >>> 11));
y = unsigned32(y ^ ((y << 7) & 0x9d2c5680));
y = unsigned32(y ^ ((y << 15) & 0xefc60000));
y = unsigned32(y ^ (y >>> 18));
return y;
}
function l() {
pass = document.getElementById("pass").value
if (pass) { init_by_array(pass,pass.length); return true; }
else { alert('ENTER PASSWORD FIRST'); return false; }
}
function dec2hex(i) {
hex = "0123456789ABCDEF"
r = i % 16;
s = hex.charAt((i-r)/16) + hex.charAt(r);
return s;
}
function e() {
if (l()) {
iv = Math.floor(Math.random()*256)
body = document.getElementById("body").value
result = dec2hex(iv);
for (i=0;i<body.length;i++) {
if ((i+1)%30 == 0) result = result + "\n"
iv = (body.charCodeAt(i)+iv+genrand_int32())%256
result = result + dec2hex(iv)
}
document.getElementById("body").value = result
}
}
function d() {
if (l()) {
r = /[^0-9A-F]/g
body = document.getElementById("body").value.replace(r,"")
result = ""
for(i=1;(i*2)<body.length;i++) {
s=(parseInt(body.substr(i*2,2),16)-parseInt(body.substr((i-1)*2,2),16)-genrand_int32());
if (s<0) { s=256-((-s)%256); }
result = result + String.fromCharCode(s);
}
document.getElementById("body").value = result
}
}
</script>
</head>
<body>
<form>
<pre>
CBC style encryption, using the mersenne twister as generator.
feel free to download/edit/share this file with anyone.
Password: <input class="inputText" type="password" value="NONAMEFAGS" id="pass">
<textarea id="body" rows="20" cols="65"></textarea>
<input id="encrypt" type="button" value="Encrypt" onclick="e();"> <input id="decrypt" type="button" value="Decrypt" onclick="d();">
</pre>
</form>
</body>
</html>