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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'))
})
}
})
})