Block chain v5

by pat spag

HTML

Input Block Data
<br>
<input type='textbox' id='inputData' value = "Block 2">
<input type='button' value='Add Block to Chain' onclick='addNewBlock()'>
<br>

<div id='output2'>

</div>

JavaScript

//IN PROGRESS
//not Finished 
// hash function from https://www.quora.com/How-do-I-generate-sha256-key-in-javascript

function SHA256(s){
   var chrsz  = 8;
   var hexcase = 0;
   function safe_add (x, y) {
     var lsw = (x & 0xFFFF) + (y & 0xFFFF);
     var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
     return (msw << 16) | (lsw & 0xFFFF);
   }
   function S (X, n) { return ( X >>> n ) | (X << (32 - n)); }
   function R (X, n) { return ( X >>> n ); }
   function Ch(x, y, z) { return ((x & y) ^ ((~x) & z)); }
   function Maj(x, y, z) { return ((x & y) ^ (x & z) ^ (y & z)); }
   function Sigma0256(x) { return (S(x, 2) ^ S(x, 13) ^ S(x, 22)); }
   function Sigma1256(x) { return (S(x, 6) ^ S(x, 11) ^ S(x, 25)); }
   function Gamma0256(x) { return (S(x, 7) ^ S(x, 18) ^ R(x, 3)); }
   function Gamma1256(x) { return (S(x, 17) ^ S(x, 19) ^ R(x, 10)); }
   function core_sha256 (m, l) {
     var K = new Array(0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, 0xE49B69C1, 0xEFBE4786, 0xFC19DC6, 0x240CA1CC, 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, 0xC6E00BF3, 0xD5A79147, 0x6CA6351, 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 HASH = new Array(0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19);
     var W = new Array(64);
     var a, b, c, d, e, f, g, h, i, j;
     var T1, T2;
     m[l >> 5] |= 0x80 << (24 - l % 32);
     m[((l + 64 >> 9) << 4) + 15] = l;
     
     for ( var i = 0;...