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node_modules/browserify-des/test.js 2.57 KB
aaac7fed   liuqimichale   add
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  var test = require('tape')
  var DES = require('./')
  var modes = require('./modes')
  var crypto = require('crypto')
  
  Object.keys(modes).forEach(function (mode) {
    test(mode, function (t) {
      var i = 0
      while (++i < 10) {
        runOnce(i)
      }
      function runOnce (i) {
        t.test('run: ' + i, function (t) {
          t.plan(2)
          var key = crypto.randomBytes(modes[mode].key)
          var iv = crypto.randomBytes(modes[mode].iv)
          var text = crypto.randomBytes(200)
          var ourEncrypt
          try {
            ourEncrypt = new DES({
              mode: mode,
              key: key,
              iv: iv
            })
          } catch (e) {
            t.notOk(e, e.stack)
          }
          var nodeEncrypt
          try {
            nodeEncrypt = crypto.createCipheriv(mode, key, iv)
          } catch (e) {
            t.notOk(e, e.stack)
          }
          var ourCipherText = Buffer.concat([ourEncrypt.update(text), ourEncrypt.final()])
          var nodeCipherText = Buffer.concat([nodeEncrypt.update(text), nodeEncrypt.final()])
          t.equals(nodeCipherText.toString('hex'), ourCipherText.toString('hex'))
          var ourDecrypt = new DES({
            mode: mode,
            key: key,
            iv: iv,
            decrypt: true
          })
          var plainText = Buffer.concat([ourDecrypt.update(ourCipherText), ourDecrypt.final()])
          t.equals(text.toString('hex'), plainText.toString('hex'))
        })
        t.test('run text: ' + i, function (t) {
          t.plan(2)
          var key = crypto.randomBytes(32).toString('base64').slice(0, modes[mode].key)
          var iv = crypto.randomBytes(32).toString('base64').slice(0, modes[mode].iv)
          var text = crypto.randomBytes(200)
          var ourEncrypt
          try {
            ourEncrypt = new DES({
              mode: mode,
              key: key,
              iv: iv
            })
          } catch (e) {
            t.notOk(e, e.stack)
          }
          var nodeEncrypt
          try {
            nodeEncrypt = crypto.createCipheriv(mode, key, iv)
          } catch (e) {
            t.notOk(e, e.stack)
          }
          var ourCipherText = Buffer.concat([ourEncrypt.update(text), ourEncrypt.final()])
          var nodeCipherText = Buffer.concat([nodeEncrypt.update(text), nodeEncrypt.final()])
          t.equals(nodeCipherText.toString('hex'), ourCipherText.toString('hex'))
          var ourDecrypt = new DES({
            mode: mode,
            key: key,
            iv: iv,
            decrypt: true
          })
          var plainText = Buffer.concat([ourDecrypt.update(ourCipherText), ourDecrypt.final()])
          t.equals(text.toString('hex'), plainText.toString('hex'))
        })
      }
    })
  })