jsSha vs crypto testcase

var JsSHA = require('../src/sha');
var crypto = require('crypto');

/**
 * Convert hex string to binary string
 * @see {@link http://stackoverflow.com/a/7695514">http://stackoverflow.com/a/7695514}
 * @param {String} hex
 * @returns {String}
 */
function hex2bin(hex){
    var bin = '',
        bytes = [],
        str,
        i;

    for(i = 0; i< hex.length-1; i += 2){
        bytes.push(parseInt(hex.substr(i, 2), 16));
    }
    str = String.fromCharCode.apply(String, bytes);
    if(str.length){
        bin = str;
    }
    return bin;
}

exports.jsShaFingerprint = function(test){

    var bin = hex2bin('E0113C18726D3AD74D6081C43D2539CA9A0A8745'),
        fingerBin = new JsSHA(bin, 'TEXT'),
        hashed = fingerBin.getHash('SHA-1', 'HEX');

    test.strictEqual(hashed.toUpperCase(), 'B153C0D8C766A64F677A3D1797E680D18EC571DD', 'generated hash equals expected hash');
    test.done();
};

exports.cryptoFingerprint = function(test){
    var sha1 = crypto.createHash('sha1');

    var bin = hex2bin('E0113C18726D3AD74D6081C43D2539CA9A0A8745'),
        fingerBin = sha1.update(bin),
        hashed = fingerBin.digest('hex');

    test.strictEqual(hashed.toUpperCase(), 'B153C0D8C766A64F677A3D1797E680D18EC571DD', 'generated hash equals expected hash');
    test.done();
}