'use strict';

const assert = require('assert');

const crypto = require('crypto');

const ece = require('http_ece');

const urlBase64 = require('urlsafe-base64');

const semver = require('semver');

suite('http_ece', function() {

if (!semver.satisfies(process.version, '5')) {

return;

}

test('aesgcm - padSize 2 - pad 0', function() {

const input = Buffer.from(urlBase64.encode('marco'));

const receiverCurve = crypto.createECDH('prime256v1');

receiverCurve.setPrivateKey('a4C8H+f9IWtbAbTTkL2AgQ7xo/tqXddWWw7R2CR5OME=', 'base64');

assert.equal(receiverCurve.getPublicKey()[0], 4, 'is an uncompressed point');

ece.saveKey('receiver', receiverCurve, 'P-256');

const senderCurve = crypto.createECDH('prime256v1');

senderCurve.setPrivateKey('Dt1CLgQlkiaA-tmCkATyKZeoF1-Gtw1-gdEP6pOCqj4', 'base64');

assert.equal(senderCurve.getPublicKey()[0], 4, 'is an uncompressed point');

ece.saveKey('sender', senderCurve, 'P-256');

const salt = '4CQCKEyyOT_LysC17rsMXQ';

const authSecret = 'r9kcFt8-4Q6MnMjJHqJoSQ';

const encrypted = ece.encrypt(input, {

keyid: 'sender',

dh: urlBase64.encode(receiverCurve.getPublicKey()),

salt: salt,

authSecret: authSecret

});

assert(encrypted.equals(Buffer.from('Np3XM0NFvnxothcJfFzrv8Vsprn_k9I', 'base64')));

const decrypted = ece.decrypt(encrypted, {

keyid: 'receiver',

dh: urlBase64.encode(senderCurve.getPublicKey()),

salt: salt,

authSecret: authSecret

});

assert(input.equals(decrypted));

});

test('aesgcm - padSize 2 - pad 1', function() {

const input = Buffer.from(urlBase64.encode('marco'));

const receiverCurve = crypto.createECDH('prime256v1');

receiverCurve.setPrivateKey('a4C8H+f9IWtbAbTTkL2AgQ7xo/tqXddWWw7R2CR5OME=', 'base64');

assert.equal(receiverCurve.getPublicKey()[0], 4, 'is an uncompressed point');

ece.saveKey('receiver', receiverCurve, 'P-256');

const senderCurve = crypto.createECDH('prime256v1');

senderCurve.setPrivateKey('Dt1CLgQlkiaA-tmCkATyKZeoF1-Gtw1-gdEP6pOCqj4', 'base64');

assert.equal(senderCurve.getPublicKey()[0], 4, 'is an uncompressed point');

ece.saveKey('sender', senderCurve, 'P-256');

const salt = '4CQCKEyyOT_LysC17rsMXQ';

const authSecret = 'r9kcFt8-4Q6MnMjJHqJoSQ';

const encrypted = ece.encrypt(input, {

keyid: 'sender',

dh: urlBase64.encode(receiverCurve.getPublicKey()),

salt: salt,

authSecret: authSecret,

pad: 1

});

assert(encrypted.equals(Buffer.from('Npy6P1BUsvRGMWEbwYq2JArF0l9YD38o', 'base64')));

const decrypted = ece.decrypt(encrypted, {

keyid: 'receiver',

dh: urlBase64.encode(senderCurve.getPublicKey()),

salt: salt,

authSecret: authSecret

});

assert(input.equals(decrypted));

});

});