processdeed.js

var Crypto = require('crypto');
var BigInteger = require('bigi');
var Bitcoin = require('bitcoinjs-lib');
var fs = require('fs');
var bs58 = require('bs58');

fs.readFile(process.argv[2], "utf8", function(err, data) {
  if(err) throw err;
  console.log(data);

  dataStripped = data.replace(/\n$/, '').replace(/(\r)?\n/g, "\r\n");

  var shasum = Crypto.createHash('sha256');
  shasum.update(dataStripped);
  var hex = shasum.digest('hex');
//console.log('sha256sum: ' + hex);

  var b58str = bs58.encode(new Buffer(hex, 'hex'));
  console.log('DEED ID: ' + b58str);

  var shasum2 = Crypto.createHash('sha256');
  shasum2.update(b58str);
  hex = shasum2.digest('hex');
  console.log('EXPONENT: ' + hex);

  b58str = bs58.encode(new Buffer(hex, 'hex'));
//console.log('b58 string: ' + b58str);

  var privateKey = new Bitcoin.ECKey(new BigInteger(hex, 16), false);
  console.log('PRIVATE KEY: ' + privateKey.toWIF());
  console.log('PUBLIC KEY: ' + privateKey.pub.getAddress().toString());
});