test.js
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var test = require('tape')
var crypto = require('crypto')
var desModes = require('browserify-des/modes')
var aesModes = require('browserify-aes/modes')
var ourCrypto = require('./browser')
function runIvTest (mode, keyLen, ivLen) {
test('mode: ' + mode, function (t) {
var i = 0
while (++i < 10) {
run(i)
}
function run (i) {
t.test('run: ' + i, function (t) {
t.plan(2)
var key = crypto.randomBytes(keyLen)
var iv = crypto.randomBytes(ivLen)
var text = crypto.randomBytes(200)
var ourEncrypt
try {
ourEncrypt = ourCrypto.createCipheriv(mode, key, 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 authTag
if (mode.slice(-3) === 'gcm') {
authTag = ourEncrypt.getAuthTag()
}
var nodeCipherText = Buffer.concat([nodeEncrypt.update(text), nodeEncrypt.final()])
t.equals(nodeCipherText.toString('hex'), ourCipherText.toString('hex'))
var ourDecrypt = ourCrypto.createDecipheriv(mode, key, iv)
if (mode.slice(-3) === 'gcm') {
ourDecrypt.setAuthTag(authTag)
}
var plainText = Buffer.concat([ourDecrypt.update(ourCipherText), ourDecrypt.final()])
t.equals(text.toString('hex'), plainText.toString('hex'))
})
}
})
}
Object.keys(aesModes).forEach(function (modeName) {
var mode = aesModes[modeName]
runIvTest(modeName, mode.key / 8, mode.iv)
})
Object.keys(desModes).forEach(function (modeName) {
var mode = desModes[modeName]
runIvTest(modeName, mode.key, mode.iv)
})