post-e-voting/source-code/scytl-cryptolib/cryptolib-js-digitalenvelope/spec/index-validation.spec.js

/*
 * Copyright 2018 Scytl Secure Electronic Voting SA
 *
 * All rights reserved
 *
 * See our extended copyright notice in *file 'Copyright.txt' which is part of this source code package
 */
/* jshint node:true */
'use strict';

var digitalEnvelope = require('../lib/index');
var codec = require('scytl-codec');

describe('The digital envelope module should be able to ...', function() {
  var PUBLIC_KEY_PEMS = [
    '-----BEGIN PUBLIC KEY-----MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAglypZU45bnf2opnRI+Y51VqouBpvDT33xIB/OtbwKzwVpi+JrjBFtfk33tE9t/dSRs79CK94HRhCWcOiLa2qWPrjeZ9SBiEyScrhIvRZVBF41zBgwQNuRvJCsKmAqlZaFNJDZxEP4repmlBn1CfVFmfrXmOKqwP5F7l9ZtucveRzsfmF1yVPFkW8TMuB3YqMiyymyqHlS8ujCsu5I8tpgPbwuxdMOY94fNhSXrYkY8IuX1g1zdq/Z1jluOaR/UqK4UpnbuJaH/F0VgDNiWh6cTD0DFGEk0b70i5wU4Q3L/S6XZQRvSuADoCbhwBKuFL5pW5n865oLVb5S3wuVdWaGwIDAQAB-----END PUBLIC KEY-----',
    '-----BEGIN PUBLIC KEY-----MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAngCJ2RYh3XOvghmAi2MT26/fx4Hx8gYkYS2zaf9c2H8Qns1hnIHO8pIlHze/stUmNzim6nlytbJLQHmVDu64Pf9dn1ClAW2caKqUo4ofjnOzDd6RocQByjTsvZ1nOcG5BMYtOWGua+QIVFrxvxZgL6T3ShQ+9J3/1LiQDUmWj0kMoct6vRJuNkJxVFegtIEqYZYTTFI1+Y25k040NFu0e9IDwDXQA63EqKL3DjrgxdjOY+KXu4zU6DUcL4VcKaTMs1+pDfU6bSOtrecuasKkEmNE9fuy9WejFqNGqlrNVCeYmOOnNXvI0vCdH1bw4/CpqddxvGZOStczF8vGJVcMVQIDAQAB-----END PUBLIC KEY-----'
  ];
  var PRIVATE_KEY_PEMS = [
    '-----BEGIN RSA PRIVATE KEY-----MIIEowIBAAKCAQEAglypZU45bnf2opnRI+Y51VqouBpvDT33xIB/OtbwKzwVpi+JrjBFtfk33tE9t/dSRs79CK94HRhCWcOiLa2qWPrjeZ9SBiEyScrhIvRZVBF41zBgwQNuRvJCsKmAqlZaFNJDZxEP4repmlBn1CfVFmfrXmOKqwP5F7l9ZtucveRzsfmF1yVPFkW8TMuB3YqMiyymyqHlS8ujCsu5I8tpgPbwuxdMOY94fNhSXrYkY8IuX1g1zdq/Z1jluOaR/UqK4UpnbuJaH/F0VgDNiWh6cTD0DFGEk0b70i5wU4Q3L/S6XZQRvSuADoCbhwBKuFL5pW5n865oLVb5S3wuVdWaGwIDAQABAoIBAC/tn34Wf3kE9BGeGc1oFLVDaqqdVVz5/oEpeR2J7q0GnzMFYUpAhzC7WvY52cYsUPyll1Q9Jx0TUTmteo/uvKWQQFfz4nVMeS+2PoXabolBDzuWlsv/1eiRo0FOYHa/3siu8YcQN9X0DpAkpbfTmT1uoZOHZ3EuucMmOFu7vGn38Grw8bSxpR0uvTtnb8ygC+aB51y38RMyhzQQanrM8FMeAfDAy6IB0Yo7b0c50Cxa6Ax4nqn9LXyGakr5WeAMkgTIOA/GId9SZD4e5eRpq+628pOeR4O9datFltgl6r1+A4ii2VrJsDqeatGtODlX6KRKqwFHoGIa2TjgSZLuorECgYEAxeSZDOOgFsI5mB7RkRzZaQ9znJ15sgdyZiAFZAOUah4hSGdAXNAnZTlrdacduXEu3EfkpuPToX7xZSv5FRYwfBwMwCLeytlGLPjQzWejZGbo4+KqgzWb9fECDYVtDPlJ/+yLih9nt67BHweJKxYydl18rVigdVyy22X86NijSykCgYEAqKPUrXZAo+TJvmTw4tgsibJgvXBYBhmsej8mGNQw+Nyp2gV28sgm61ifIeXKS8teq+MFwGA6cHQedbsCqhMHokdhESZmlbWxhSFLihQcewBxwvrBwbaxI23yXRzwMewznZFL032PpcbqrmwFmcSSEZ3nmbvTH6ShqLW+pzDNp6MCgYBQLzdgxJ7qedqSa/JohTMG4e7rh9d2rpPJE7J7ewPZF8pOpx+qO+Gqn2COdJ+Ts2vUcAETKn9nEaPIZc/wnmQY9dioxbhWo0FPGaaphBPtq9Ez/XUv4zoFppk5V1X/isdUPsmvttf00oeIBiqrXbwmv+yz5JRn2Z7TTXjz9Ev+OQKBgQCUuoCMRzl1EgcXIqEL/0kwW6BUEqufHa9u1Ri9Vw6lvL8T6DPipMEmWK9nzuid9gtVns/ovTVtDgv7GuabplLaPQePf4WDzY11c0rSyS/hDyBFrK+LL5uEOqhAlJAGB2HyOj1clWVF+GvrTpuV5LZKUS/79pmZU7G7QCaX/0Ow7wKBgC/kDH7cmWQnWvvJ5izrx/7PogQVPOLELeUIGLu/hjsSdDKiFCxCUZ948+9NuG+DnpXDWzw//r8mPBRRGGsqFws5Aipp7yjQ3kRDCCzGelPCVhHyfmKqA+8ewXPulKS3/wIyHIvaXmsuAtTfurHtpRyzjKmCBK1Y6WQ3trIXvo7s-----END RSA PRIVATE KEY-----',
    '-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----'
  ];
  var DATA = 'Ox2fUJq1gAbX';

  var data_;
  var envelopeService_;
  var envelopeGenerator_;
  var envelopeOpener_;
  var envelope_;
  var encryptedData_;
  var mac_;
  var encryptedSecretKeyPairs_;

  var nonString_;
  var emptyString_;
  var nonJsonString_;
  var nonObject_;
  var emptyObject_;
  var nonUint8Array_;
  var nonDigitalEnvelope_;
  var nonEncryptedSecretKeyPairs_;

  beforeAll(function() {
    data_ = codec.utf8Encode(DATA);
    envelopeService_ = digitalEnvelope.newService();

    nonString_ = 999;
    emptyString_ = '';
    nonJsonString_ = 'Not a JSON string';
    nonObject_ = 999;
    emptyObject_ = {};
    nonUint8Array_ = [];
    nonDigitalEnvelope_ = envelopeService_;
    nonEncryptedSecretKeyPairs_ = [1, 2, 3];
  });

  beforeEach(function() {
    envelopeGenerator_ = envelopeService_.newGenerator().init(
        PUBLIC_KEY_PEMS[0], PUBLIC_KEY_PEMS[1]);
    envelopeOpener_ = envelopeService_.newOpener().init(PRIVATE_KEY_PEMS[0]);
    envelope_ = envelopeGenerator_.generate(data_);
    encryptedData_ = envelope_.encryptedData;
    mac_ = envelope_.mac;
    encryptedSecretKeyPairs_ = envelope_.encryptedSecretKeyPairs;
  });

  describe('create a digital envelope service that should be able to ..', function() {
    it('throw an error when being created, using an invalid cryptographic policy object',
       function() {
         expect(function() {
           Object.create(digitalEnvelope.newService({policy: null}));
         }).toThrow();

         expect(function() {
           Object.create(digitalEnvelope.newService({policy: nonObject_}));
         }).toThrow();

         expect(function() {
           Object.create(digitalEnvelope.newService({policy: emptyObject_}));
         }).toThrow();
       });

    it('throw an error when being created, using an invalid symmetric cryptography service object',
       function() {
         expect(function() {
           Object.create(digitalEnvelope.newService(
               {symmetricCryptographyService: null}));
         }).toThrow();

         expect(function() {
           Object.create(digitalEnvelope.newService(
               {symmetricCryptographyService: nonObject_}));
         }).toThrow();

         expect(function() {
           Object.create(digitalEnvelope.newService(
               {symmetricCryptographyService: emptyObject_}));
         }).toThrow();
       });

    it('throw an error when being created, using an invalid asymmetric cryptography service object',
       function() {
         expect(function() {
           Object.create(digitalEnvelope.newService(
               {asymmetricCryptographyService: null}));
         }).toThrow();

         expect(function() {
           Object.create(digitalEnvelope.newService(
               {asymmetricCryptographyService: nonObject_}));
         }).toThrow();

         expect(function() {
           Object.create(digitalEnvelope.newService(
               {asymmetricCryptographyService: emptyObject_}));
         }).toThrow();
       });

    it('throw an error when creating a digital envelope object, using invalid encrypted data or an invalid JSON serialization',
       function() {
         expect(function() {
           envelopeService_.newEnvelope(
               undefined, mac_, encryptedSecretKeyPairs_);
         }).toThrow();

         expect(function() {
           envelopeService_.newEnvelope(null, mac_, encryptedSecretKeyPairs_);
         }).toThrow();

         expect(function() {
           envelopeService_.newEnvelope(
               nonUint8Array_, mac_, encryptedSecretKeyPairs_);
         }).toThrow();

         expect(function() {
           envelopeService_.newEnvelope(nonJsonString_);
         }).toThrow();
       });

    it('throw an error when creating a digital envelope object, using an invalid MAC',
       function() {
         expect(function() {
           envelopeService_.newEnvelope(
               encryptedData_, undefined, encryptedSecretKeyPairs_);
         }).toThrow();

         expect(function() {
           envelopeService_.newEnvelope(
               encryptedData_, null, encryptedSecretKeyPairs_);
         }).toThrow();

         expect(function() {
           envelopeService_.newEnvelope(
               encryptedData_, nonUint8Array_, encryptedSecretKeyPairs_);
         }).toThrow();
       });

    it('throw an error when creating a digital envelope object, using invalid encrypted secret key pairs',
       function() {
         expect(function() {
           envelopeService_.newEnvelope(encryptedData_, mac_);
         }).toThrow();

         expect(function() {
           envelopeService_.newEnvelope(encryptedData_, mac_, undefined);
         }).toThrow();

         expect(function() {
           envelopeService_.newEnvelope(encryptedData_, mac_, null);
         }).toThrow();

         expect(function() {
           envelopeService_.newEnvelope(
               encryptedData_, mac_, nonEncryptedSecretKeyPairs_);
         }).toThrow();
       });

    describe(
        'create a digital envelope generator that should be able to ..',
        function() {
          it('throw an error when being initialized, using invalid input data',
             function() {
               expect(function() {
                 envelopeGenerator_.init();
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.init(undefined);
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.init(null);
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.init(nonString_);
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.init(emptyString_);
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.init(PUBLIC_KEY_PEMS[0], nonString_);
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.init(PUBLIC_KEY_PEMS[0], emptyString_);
               }).toThrow();
             });

          it('throw an error when generating a digital envelope, using invalid input data',
             function() {
               expect(function() {
                 envelopeGenerator_.generate();
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.generate(undefined);
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.generate(null);
               }).toThrow();

               expect(function() {
                 envelopeGenerator_.generate(nonUint8Array_);
               }).toThrow();
             });
        });

    describe(
        'create a digital envelope opener that should be able to ..',
        function() {
          it('throw an error when being initialized, using invalid input data',
             function() {
               expect(function() {
                 envelopeOpener_.init();
               }).toThrow();

               expect(function() {
                 envelopeOpener_.init(undefined);
               }).toThrow();

               expect(function() {
                 envelopeOpener_.init(null);
               }).toThrow();

               expect(function() {
                 envelopeOpener_.init(nonString_);
               }).toThrow();

               expect(function() {
                 envelopeOpener_.init(emptyString_);
               }).toThrow();
             });

          it('throw an error when opening a digital envelope, using invalid input data',
             function() {
               expect(function() {
                 envelopeOpener_.open();
               }).toThrow();

               expect(function() {
                 envelopeOpener_.open(undefined);
               }).toThrow();

               expect(function() {
                 envelopeOpener_.open(null);
               }).toThrow();

               expect(function() {
                 envelopeOpener_.open(nonObject_);
               }).toThrow();

               expect(function() {
                 envelopeOpener_.open(emptyObject_);
               }).toThrow();

               expect(function() {
                 envelopeOpener_.open(nonDigitalEnvelope_);
               }).toThrow();
             });
        });
  });
});