mirror of
https://github.com/cp6/my-idlers.git
synced 2024-11-16 23:42:32 +01:00
31 lines
625 B
JavaScript
31 lines
625 B
JavaScript
'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))
|
|
}
|