Time slots app prototype
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import test from "tape";
import crypto from "crypto";
import desModes from "browserify-des/modes";
import aesModes from "browserify-aes/modes";
import ourCrypto from "./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);
});