var test = require('tape')
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var crypto = require('crypto')
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var desModes = require('browserify-des/modes')
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var aesModes = require('browserify-aes/modes')
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var ourCrypto = require('./browser')
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function runIvTest (mode, keyLen, ivLen) {
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test('mode: ' + mode, function (t) {
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var i = 0
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while (++i < 10) {
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run(i)
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}
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function run (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(keyLen)
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var iv = crypto.randomBytes(ivLen)
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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 = ourCrypto.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 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 authTag
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if (mode.slice(-3) === 'gcm') {
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authTag = ourEncrypt.getAuthTag()
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}
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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 = ourCrypto.createDecipheriv(mode, key, iv)
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if (mode.slice(-3) === 'gcm') {
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ourDecrypt.setAuthTag(authTag)
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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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}
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Object.keys(aesModes).forEach(function (modeName) {
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var mode = aesModes[modeName]
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runIvTest(modeName, mode.key / 8, mode.iv)
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})
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Object.keys(desModes).forEach(function (modeName) {
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var mode = desModes[modeName]
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runIvTest(modeName, mode.key, mode.iv)
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})
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