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