/* * 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 PlaintextProofTestData = require('../data/plaintext-proof-data'); var ProgressMeterTestData = require('../data/progress-meter-data'); var ValidationTestData = require('../data/validation-data'); var zkProof = require('../../lib/index'); var elGamal = require('scytl-elgamal'); describe('The zero-knowledge proof module should be able to ...', function() { var proofService_; var group_; var anotherGroup_; var secret_; var ciphertext_; var secretForCiphertextWithLessElements_; var ciphertextWithLessElements_; var secretFromAnotherGroup_; var ciphertextFromAnotherGroup_; var publicKey_; var publicKeyWithLessElements_; var publicKeyFromAnotherGroup_; var plaintext_; var plaintextWithLessElements_; var plaintextFromAnotherGroup_; var callback_; var nonObject_; var emptyObject_; var nonNumber_; var nonPositiveNumber_; var nonString_; var nonArray_; var emptyArray_; var nonObjectArray_; var nonFunction_; var nonAuxiliaryData_; var nonProofObject_; var proofHandler_; var proof_; beforeAll(function() { proofService_ = zkProof.newService(); var testData = new PlaintextProofTestData(); var elGamalService = elGamal.newService(); group_ = testData.getGroup(); anotherGroup_ = testData.getAnotherGroup(); var encryptedElements = testData.getEncryptedElements(); secret_ = encryptedElements.secret; ciphertext_ = elGamalService.newEncryptedElements( encryptedElements.gamma, encryptedElements.phis); var encryptedElementsWithLessElements = testData.getEncryptedElementsWithLessElements(); secretForCiphertextWithLessElements_ = encryptedElementsWithLessElements.secret; ciphertextWithLessElements_ = elGamalService.newEncryptedElements( encryptedElementsWithLessElements.gamma, encryptedElementsWithLessElements.phis); var encryptedElementsFromAnotherGroup = testData.getEncryptedElementsFromAnotherGroup(); secretFromAnotherGroup_ = encryptedElementsFromAnotherGroup.secret; ciphertextFromAnotherGroup_ = elGamalService.newEncryptedElements( encryptedElementsFromAnotherGroup.gamma, encryptedElementsFromAnotherGroup.phis); publicKey_ = testData.getPublicKey(); publicKeyWithLessElements_ = testData.getPublicKeyWithLessElements(); publicKeyFromAnotherGroup_ = testData.getPublicKeyFromAnotherGroup(); plaintext_ = testData.getPlaintext(); plaintextWithLessElements_ = testData.getPlaintextWithLessElements(); plaintextFromAnotherGroup_ = testData.getPlaintextFromAnotherGroup(); var progressMeterTestData = new ProgressMeterTestData(); callback_ = progressMeterTestData.progressCallback; var validationTestData = new ValidationTestData(); nonObject_ = validationTestData.getNonObject(); emptyObject_ = validationTestData.getEmptyObject(); nonNumber_ = validationTestData.getNonNumber(); nonPositiveNumber_ = validationTestData.getNonPositiveNumber(); nonString_ = validationTestData.getNonString(); nonArray_ = validationTestData.getNonArray(); emptyArray_ = validationTestData.getEmptyArray(); nonObjectArray_ = validationTestData.getNonObjectArray(); nonFunction_ = validationTestData.getNonFunction(); nonAuxiliaryData_ = validationTestData.getNonAuxiliaryData(); nonProofObject_ = validationTestData.getNonProofObject(); proofHandler_ = proofService_.newPlaintextProofHandler(group_).init(publicKey_); proof_ = proofHandler_.generate(secret_, plaintext_, ciphertext_); }); beforeEach(function() { proofHandler_ = proofService_.newPlaintextProofHandler(group_).init(publicKey_); }); describe('create a zero-knowledge proof service that should be able to ..', function() { describe('create a plaintext proof handler that should be able to', function() { it('throw an error when being created, using invalid input data', function() { expect(function() { proofService_.newPlaintextProofHandler(); }).toThrow(); expect(function() { proofService_.newPlaintextProofHandler(undefined); }).toThrow(); expect(function() { proofService_.newPlaintextProofHandler(null); }).toThrow(); expect(function() { proofService_.newPlaintextProofHandler(nonObject_); }).toThrow(); expect(function() { proofService_.newPlaintextProofHandler(emptyObject_); }).toThrow(); }); it('throw an error when being initialized, using invalid input data', function() { expect(function() { proofHandler_.init(undefined); }).toThrow(); expect(function() { proofHandler_.init(null); }).toThrow(); expect(function() { proofHandler_.init(nonObject_); }).toThrow(); expect(function() { proofHandler_.init(emptyObject_); }).toThrow(); expect(function() { proofHandler_.init(publicKeyFromAnotherGroup_); }).toThrow(); }); it('throw an error when generating a plaintext proof, using an invalid secret', function() { expect(function() { proofHandler_.generate(undefined, plaintext_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate(null, plaintext_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate(nonObject_, plaintext_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate(emptyObject_, plaintext_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate( secretFromAnotherGroup_, plaintext_, ciphertext_); }).toThrow(); }); it('throw an error when generating a plaintext proof, using an invalid plaintext', function() { expect(function() { proofHandler_.generate(secret_, undefined, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate(secret_, null, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate(secret_, nonArray_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate(secret_, emptyArray_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate(secret_, nonObjectArray_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, plaintextWithLessElements_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, plaintextFromAnotherGroup_, ciphertext_); }).toThrow(); }); it('throw an error when generating a plaintext proof, using an invalid ciphertext', function() { expect(function() { proofHandler_.generate(secret_, plaintext_, undefined); }).toThrow(); expect(function() { proofHandler_.generate(secret_, plaintext_, null); }).toThrow(); expect(function() { proofHandler_.generate(secret_, plaintext_, nonObject_); }).toThrow(); expect(function() { proofHandler_.generate(secret_, plaintext_, emptyObject_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, plaintext_, ciphertextWithLessElements_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, plaintext_, ciphertextFromAnotherGroup_); }).toThrow(); }); it('throw an error when generating a plaintext proof, using invalid optional data', function() { expect(function() { proofHandler_.generate( secret_, plaintext_, ciphertext_, {data: nonAuxiliaryData_}); }).toThrow(); expect(function() { proofHandler_.generate( secret_, plaintext_, ciphertext_, {preComputation: nonObject_}); }).toThrow(); expect(function() { proofHandler_.generate( secret_, plaintext_, ciphertext_, {preComputation: nonProofObject_}); }).toThrow(); }); it('throw an error when verifying a plaintext proof, using an invalid proof', function() { expect(function() { proofHandler_.verify(undefined, plaintext_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify(null, plaintext_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify(nonProofObject_, plaintext_, ciphertext_); }).toThrow(); }); it('throw an error when verifying a plaintext proof, using an invalid plaintext', function() { expect(function() { proofHandler_.verify(proof_, undefined, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, null, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, nonArray_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, emptyArray_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, nonObjectArray_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify( proof_, plaintextWithLessElements_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify( proof_, plaintextFromAnotherGroup_, ciphertext_); }).toThrow(); }); it('throw an error when verifying a plaintext proof, using an invalid ciphertext', function() { expect(function() { proofHandler_.verify(proof_, plaintext_, undefined); }).toThrow(); expect(function() { proofHandler_.verify(proof_, plaintext_, null); }).toThrow(); expect(function() { proofHandler_.verify(proof_, plaintext_, nonObject_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, plaintext_, emptyObject_); }).toThrow(); expect(function() { proofHandler_.verify( proof_, ciphertextWithLessElements_, ciphertext_); }).toThrow(); expect(function() { proofHandler_.verify( proof_, plaintext_, ciphertextFromAnotherGroup_); }).toThrow(); }); it('throw an error when verifying a plaintext proof, using invalid optional data', function() { expect(function() { proofHandler_.verify( proof_, plaintext_, ciphertext_, {data: nonAuxiliaryData_}); }).toThrow(); }); it('throw an error when measuring plaintext proof progress, using invalid input data', function() { expect(function() { proofHandler_.measureProgress(); }).toThrow(); expect(function() { proofHandler_.measureProgress(undefined); }).toThrow(); expect(function() { proofHandler_.measureProgress(null); }).toThrow(); expect(function() { proofHandler_.measureProgress(nonFunction_); }).toThrow(); expect(function() { proofHandler_.measureProgress(callback_, null); }).toThrow(); expect(function() { proofHandler_.measureProgress(callback_, nonNumber_); }).toThrow(); expect(function() { proofHandler_.measureProgress(callback_, nonPositiveNumber_); }).toThrow(); }); }); }); });