<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script>
(function(root, undefined) {
'use strict';
var NODE_JS = typeof(module) != 'undefined';
if(NODE_JS) {
root = global;
}
var TYPED_ARRAY = typeof(Uint8Array) != 'undefined';
var HEX_CHARS = '0123456789abcdef'.split('');
var EXTRA = [-2147483648, 8388608, 32768, 128];
var SHIFT = [24, 16, 8, 0];
var K =[0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2];
var blocks = [];
var sha224 = function(message) {
return sha256(message, true);
};
var sha256 = function(message, is224) {
var notString = typeof(message) != 'string';
if(notString && message.constructor == root.ArrayBuffer) {
message = new Uint8Array(message);
}
var hex0
var hex1
var hex2
var hex3
var hex4
var hex5
var hex6
var hex7
var block
var code
var first = true
var end = false
var i
var j
var index = 0
var start = 0
var bytes = 0
var length = message.length
var s0
var s1
var maj
var t1
var t2
var ch
var ab
var da
var cd
var bc
if(is224) {
hex0 = 0xc1059ed8;
hex1 = 0x367cd507;
hex2 = 0x3070dd17;
hex3 = 0xf70e5939;
hex4 = 0xffc00b31;
hex5 = 0x68581511;
hex6 = 0x64f98fa7;
hex7 = 0xbefa4fa4;
} else {
hex0 = 0x6a09e667;
hex1 = 0xbb67ae85;
hex2 = 0x3c6ef372;
hex3 = 0xa54ff53a;
hex4 = 0x510e527f;
hex5 = 0x9b05688c;
hex6 = 0x1f83d9ab;
hex7 = 0x5be0cd19;
}
block = 0;
do {
blocks[0] = block;
blocks[16] = blocks[1] = blocks[2] = blocks[3] =
blocks[4] = blocks[5] = blocks[6] = blocks[7] =
blocks[8] = blocks[9] = blocks[10] = blocks[11] =
blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
if(notString) {
for (i = start;index < length && i < 64; ++index) {
blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
}
} else {
for (i = start;index < length && i < 64; ++index) {
code = message.charCodeAt(index);
if (code < 0x80) {
blocks[i >> 2] |= code << SHIFT[i++ & 3];
} else if (code < 0x800) {
blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
} else if (code < 0xd800 || code >= 0xe000) {
blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
} else {
code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
}
}
}
bytes += i - start;
start = i - 64;
if(index == length) {
blocks[i >> 2] |= EXTRA[i & 3];
++index;
}
block = blocks[16];
if(index > length && i < 56) {
blocks[15] = bytes << 3;
end = true;
}
var a = hex0
var b = hex1
var c = hex2, d = hex3, e = hex4, f = hex5, g = hex6, h = hex7;
for(j = 16;j < 64;++j) {
// rightrotate
t1 = blocks[j - 15];
s0 = ((t1 >>> 7) | (t1 << 25)) ^ ((t1 >>> 18) | (t1 << 14)) ^ (t1 >>> 3);
t1 = blocks[j - 2];
s1 = ((t1 >>> 17) | (t1 << 15)) ^ ((t1 >>> 19) | (t1 << 13)) ^ (t1 >>> 10);
blocks[j] = blocks[j - 16] + s0 + blocks[j - 7] + s1 << 0;
}
bc = b & c;
for(j = 0;j < 64;j += 4) {
if(first) {
if(is224) {
ab = 300032;
t1 = blocks[0] - 1413257819;
h = t1 - 150054599 << 0;
d = t1 + 24177077 << 0;
} else {
ab = 704751109;
t1 = blocks[0] - 210244248;
h = t1 - 1521486534 << 0;
d = t1 + 143694565 << 0;
}
first = false;
} else {
s0 = ((a >>> 2) | (a << 30)) ^ ((a >>> 13) | (a << 19)) ^ ((a >>> 22) | (a << 10));
s1 = ((e >>> 6) | (e << 26)) ^ ((e >>> 11) | (e << 21)) ^ ((e >>> 25) | (e << 7));
ab = a & b;
maj = ab ^ (a & c) ^ bc;
ch = (e & f) ^ (~e & g);
t1 = h + s1 + ch + K[j] + blocks[j];
t2 = s0 + maj;
h = d + t1 << 0;
d = t1 + t2 << 0;
}
s0 = ((d >>> 2) | (d << 30)) ^ ((d >>> 13) | (d << 19)) ^ ((d >>> 22) | (d << 10));
s1 = ((h >>> 6) | (h << 26)) ^ ((h >>> 11) | (h << 21)) ^ ((h >>> 25) | (h << 7));
da = d & a;
maj = da ^ (d & b) ^ ab;
ch = (h & e) ^ (~h & f);
t1 = g + s1 + ch + K[j + 1] + blocks[j + 1];
t2 = s0 + maj;
g = c + t1 << 0;
c = t1 + t2 << 0;
s0 = ((c >>> 2) | (c << 30)) ^ ((c >>> 13) | (c << 19)) ^ ((c >>> 22) | (c << 10));
s1 = ((g >>> 6) | (g << 26)) ^ ((g >>> 11) | (g << 21)) ^ ((g >>> 25) | (g << 7));
cd = c & d;
maj = cd ^ (c & a) ^ da;
ch = (g & h) ^ (~g & e);
t1 = f + s1 + ch + K[j + 2] + blocks[j + 2];
t2 = s0 + maj;
f = b + t1 << 0;
b = t1 + t2 << 0;
s0 = ((b >>> 2) | (b << 30)) ^ ((b >>> 13) | (b << 19)) ^ ((b >>> 22) | (b << 10));
s1 = ((f >>> 6) | (f << 26)) ^ ((f >>> 11) | (f << 21)) ^ ((f >>> 25) | (f << 7));
bc = b & c;
maj = bc ^ (b & d) ^ cd;
ch = (f & g) ^ (~f & h);
t1 = e + s1 + ch + K[j + 3] + blocks[j + 3];
t2 = s0 + maj;
e = a + t1 << 0;
a = t1 + t2 << 0;
}
hex0 = hex0 + a << 0;
hex1 = hex1 + b << 0;
hex2 = hex2 + c << 0;
hex3 = hex3 + d << 0;
hex4 = hex4 + e << 0;
hex5 = hex5 + f << 0;
hex6 = hex6 + g << 0;
hex7 = hex7 + h << 0;
} while(!end);
var hex = HEX_CHARS[(hex0 >> 28) & 0x0F] + HEX_CHARS[(hex0 >> 24) & 0x0F] +
HEX_CHARS[(hex0 >> 20) & 0x0F] + HEX_CHARS[(hex0 >> 16) & 0x0F] +
HEX_CHARS[(hex0 >> 12) & 0x0F] + HEX_CHARS[(hex0 >> 8) & 0x0F] +
HEX_CHARS[(hex0 >> 4) & 0x0F] + HEX_CHARS[hex0 & 0x0F] +
HEX_CHARS[(hex1 >> 28) & 0x0F] + HEX_CHARS[(hex1 >> 24) & 0x0F] +
HEX_CHARS[(hex1 >> 20) & 0x0F] + HEX_CHARS[(hex1 >> 16) & 0x0F] +
HEX_CHARS[(hex1 >> 12) & 0x0F] + HEX_CHARS[(hex1 >> 8) & 0x0F] +
HEX_CHARS[(hex1 >> 4) & 0x0F] + HEX_CHARS[hex1 & 0x0F] +
HEX_CHARS[(hex2 >> 28) & 0x0F] + HEX_CHARS[(hex2 >> 24) & 0x0F] +
HEX_CHARS[(hex2 >> 20) & 0x0F] + HEX_CHARS[(hex2 >> 16) & 0x0F] +
HEX_CHARS[(hex2 >> 12) & 0x0F] + HEX_CHARS[(hex2 >> 8) & 0x0F] +
HEX_CHARS[(hex2 >> 4) & 0x0F] + HEX_CHARS[hex2 & 0x0F] +
HEX_CHARS[(hex3 >> 28) & 0x0F] + HEX_CHARS[(hex3 >> 24) & 0x0F] +
HEX_CHARS[(hex3 >> 20) & 0x0F] + HEX_CHARS[(hex3 >> 16) & 0x0F] +
HEX_CHARS[(hex3 >> 12) & 0x0F] + HEX_CHARS[(hex3 >> 8) & 0x0F] +
HEX_CHARS[(hex3 >> 4) & 0x0F] + HEX_CHARS[hex3 & 0x0F] +
HEX_CHARS[(hex4 >> 28) & 0x0F] + HEX_CHARS[(hex4 >> 24) & 0x0F] +
HEX_CHARS[(hex4 >> 20) & 0x0F] + HEX_CHARS[(hex4 >> 16) & 0x0F] +
HEX_CHARS[(hex4 >> 12) & 0x0F] + HEX_CHARS[(hex4 >> 8) & 0x0F] +
HEX_CHARS[(hex4 >> 4) & 0x0F] + HEX_CHARS[hex4 & 0x0F] +
HEX_CHARS[(hex5 >> 28) & 0x0F] + HEX_CHARS[(hex5 >> 24) & 0x0F] +
HEX_CHARS[(hex5 >> 20) & 0x0F] + HEX_CHARS[(hex5 >> 16) & 0x0F] +
HEX_CHARS[(hex5 >> 12) & 0x0F] + HEX_CHARS[(hex5 >> 8) & 0x0F] +
HEX_CHARS[(hex5 >> 4) & 0x0F] + HEX_CHARS[hex5 & 0x0F] +
HEX_CHARS[(hex6 >> 28) & 0x0F] + HEX_CHARS[(hex6 >> 24) & 0x0F] +
HEX_CHARS[(hex6 >> 20) & 0x0F] + HEX_CHARS[(hex6 >> 16) & 0x0F] +
HEX_CHARS[(hex6 >> 12) & 0x0F] + HEX_CHARS[(hex6 >> 8) & 0x0F] +
HEX_CHARS[(hex6 >> 4) & 0x0F] + HEX_CHARS[hex6 & 0x0F];
if(!is224) {
hex += HEX_CHARS[(hex7 >> 28) & 0x0F] + HEX_CHARS[(hex7 >> 24) & 0x0F] +
HEX_CHARS[(hex7 >> 20) & 0x0F] + HEX_CHARS[(hex7 >> 16) & 0x0F] +
HEX_CHARS[(hex7 >> 12) & 0x0F] + HEX_CHARS[(hex7 >> 8) & 0x0F] +
HEX_CHARS[(hex7 >> 4) & 0x0F] + HEX_CHARS[hex7 & 0x0F];
}
return hex;
};
if(!root.JS_SHA256_TEST && NODE_JS) {
sha256.sha256 = sha256;
sha256.sha224 = sha224;
module.exports = sha256;
} else if(root) {
root.sha256 = sha256;
root.sha224 = sha224;
}}(this));
</script>
</head>
<body>
<script>
document.write(sha256("Hello World"))
</script>
</body>
</html>
