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keksAccountGUI/node_modulesOLD/create-hash/browser.js

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2019-08-11 18:48:02 +00:00
'use strict'
var inherits = require('inherits')
var MD5 = require('md5.js')
var RIPEMD160 = require('ripemd160')
var sha = require('sha.js')
var Base = require('cipher-base')
function Hash (hash) {
Base.call(this, 'digest')
this._hash = hash
}
inherits(Hash, Base)
Hash.prototype._update = function (data) {
this._hash.update(data)
}
Hash.prototype._final = function () {
return this._hash.digest()
}
module.exports = function createHash (alg) {
alg = alg.toLowerCase()
if (alg === 'md5') return new MD5()
if (alg === 'rmd160' || alg === 'ripemd160') return new RIPEMD160()
return new Hash(sha(alg))
}