/* * 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 SimplePlaintextEqualityProofTestData = require('../data/simple-plaintext-equality-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 secretFromAnotherGroup_; var primaryPublicKey_; var secondaryPublicKey_; var primaryPublicKeyWithLessElements_; var secondaryPublicKeyWithLessElements_; var primaryPublicKeyFromAnotherGroup_; var secondaryPublicKeyFromAnotherGroup_; var primaryCiphertext_; var secondaryCiphertext_; var primaryCiphertextWithLessElements_; var secondaryCiphertextWithLessElements_; var primaryCiphertextFromAnotherGroup_; var secondaryCiphertextFromAnotherGroup_; var callback_; var nonObject_; var emptyObject_; var nonNumber_; var nonPositiveNumber_; var nonString_; var nonFunction_; var nonAuxiliaryData_; var nonProofObject_; var proofHandler_; var proof_; beforeAll(function() { proofService_ = zkProof.newService(); var testData = new SimplePlaintextEqualityProofTestData(); var elGamalService = elGamal.newService(); group_ = testData.getGroup(); anotherGroup_ = testData.getAnotherGroup(); var primaryEncryptedElements = testData.getPrimaryEncryptedElements(); secret_ = primaryEncryptedElements.secret; var primaryEncryptedElementsFromAnotherGroup = testData.getPrimaryEncryptedElementsFromAnotherGroup(); secretFromAnotherGroup_ = primaryEncryptedElementsFromAnotherGroup.secret; primaryPublicKey_ = testData.getPrimaryPublicKey(); secondaryPublicKey_ = testData.getSecondaryPublicKey(); primaryPublicKeyWithLessElements_ = testData.getPrimaryPublicKeyWithLessElements(); secondaryPublicKeyWithLessElements_ = testData.getSecondaryPublicKeyWithLessElements(); primaryPublicKeyFromAnotherGroup_ = testData.getPrimaryPublicKeyFromAnotherGroup(); secondaryPublicKeyFromAnotherGroup_ = testData.getSecondaryPublicKeyFromAnotherGroup(); primaryCiphertext_ = elGamalService.newEncryptedElements( primaryEncryptedElements.gamma, primaryEncryptedElements.phis); var secondaryEncryptedElements = testData.getSecondaryEncryptedElements(); secondaryCiphertext_ = elGamalService.newEncryptedElements( secondaryEncryptedElements.gamma, secondaryEncryptedElements.phis); var primaryEncryptedElementsWithLessElements = testData.getPrimaryEncryptedElementsWithLessElements(); primaryCiphertextWithLessElements_ = elGamalService.newEncryptedElements( primaryEncryptedElementsWithLessElements.gamma, primaryEncryptedElementsWithLessElements.phis); var secondaryEncryptedElementsWithLessElements = testData.getSecondaryEncryptedElementsWithLessElements(); secondaryCiphertextWithLessElements_ = elGamalService.newEncryptedElements( secondaryEncryptedElementsWithLessElements.gamma, secondaryEncryptedElementsWithLessElements.phis); primaryCiphertextFromAnotherGroup_ = elGamalService.newEncryptedElements( primaryEncryptedElementsFromAnotherGroup.gamma, primaryEncryptedElementsFromAnotherGroup.phis); var secondaryEncryptedElementsFromAnotherGroup = testData.getSecondaryEncryptedElementsFromAnotherGroup(); secondaryCiphertextFromAnotherGroup_ = elGamalService.newEncryptedElements( secondaryEncryptedElementsFromAnotherGroup.gamma, secondaryEncryptedElementsFromAnotherGroup.phis); 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(); nonFunction_ = validationTestData.getNonFunction(); nonAuxiliaryData_ = validationTestData.getNonAuxiliaryData(); nonProofObject_ = validationTestData.getNonProofObject(); proofHandler_ = proofService_.newSimplePlaintextEqualityProofHandler(group_).init( primaryPublicKey_, secondaryPublicKey_); proof_ = proofHandler_.generate( secret_, primaryCiphertext_, secondaryCiphertext_); }); beforeEach(function() { proofHandler_ = proofService_.newSimplePlaintextEqualityProofHandler(group_).init( primaryPublicKey_, secondaryPublicKey_); }); describe('create a zero-knowledge proof service that should be able to ..', function() { describe('create a simple plaintext equality proof handler that should be able to', function() { it('throw an error when being created, using invalid input data', function() { expect(function() { proofService_.newSimplePlaintextEqualityProofHandler(); }).toThrow(); expect(function() { proofService_.newSimplePlaintextEqualityProofHandler(undefined); }).toThrow(); expect(function() { proofService_.newSimplePlaintextEqualityProofHandler(null); }).toThrow(); expect(function() { proofService_.newSimplePlaintextEqualityProofHandler(nonObject_); }).toThrow(); expect(function() { proofService_.newSimplePlaintextEqualityProofHandler(emptyObject_); }).toThrow(); }); it('throw an error when being initialized, using an invalid primary public key', function() { expect(function() { proofHandler_.init(undefined, secondaryPublicKey_); }).toThrow(); expect(function() { proofHandler_.init(null, secondaryPublicKey_); }).toThrow(); expect(function() { proofHandler_.init(nonObject_, secondaryPublicKey_); }).toThrow(); expect(function() { proofHandler_.init(emptyObject_, secondaryPublicKey_); }).toThrow(); expect(function() { proofHandler_.init( primaryPublicKeyWithLessElements_, secondaryPublicKey_); }).toThrow(); expect(function() { proofHandler_.init( primaryPublicKeyFromAnotherGroup_, secondaryPublicKey_); }).toThrow(); }); it('throw an error when being initialized, using an invalid secondary public key', function() { expect(function() { proofHandler_.init(primaryPublicKey_); }).toThrow(); expect(function() { proofHandler_.init(primaryPublicKey_, undefined); }).toThrow(); expect(function() { proofHandler_.init(primaryPublicKey_, null); }).toThrow(); expect(function() { proofHandler_.init(primaryPublicKey_, nonObject_); }).toThrow(); expect(function() { proofHandler_.init(primaryPublicKey_, emptyObject_); }).toThrow(); expect(function() { proofHandler_.init( primaryPublicKey_, secondaryPublicKeyFromAnotherGroup_); }).toThrow(); }); it('throw an error when generating a simple plaintext equality proof, using an invalid secret', function() { expect(function() { proofHandler_.generate( undefined, primaryCiphertext_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate( null, primaryCiphertext_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate( nonObject_, primaryCiphertext_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate( emptyObject_, primaryCiphertext_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate( secretFromAnotherGroup_, primaryCiphertext_, secondaryCiphertext_); }).toThrow(); }); it('throw an error when generating a simple plaintext equality proof, using an invalid primary ciphertext', function() { expect(function() { proofHandler_.generate(secret_, undefined, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate(secret_, null, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate(secret_, nonObject_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, emptyObject_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, primaryCiphertextWithLessElements_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, primaryCiphertextFromAnotherGroup_, secondaryCiphertext_); }).toThrow(); }); it('throw an error when generating a simple plaintext equality proof, using an invalid secondary ciphertext', function() { expect(function() { proofHandler_.generate(secret_, primaryCiphertext_, undefined); }).toThrow(); expect(function() { proofHandler_.generate(secret_, primaryCiphertext_, null); }).toThrow(); expect(function() { proofHandler_.generate(secret_, primaryCiphertext_, nonObject_); }).toThrow(); expect(function() { proofHandler_.generate(secret_, primaryCiphertext_, emptyObject_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, primaryCiphertext_, secondaryCiphertextWithLessElements_); }).toThrow(); expect(function() { proofHandler_.generate( secret_, primaryCiphertext_, secondaryCiphertextFromAnotherGroup_); }).toThrow(); }); it('throw an error when generating a simple plaintext equality proof, using invalid optional data', function() { expect(function() { proofHandler_.generate( secret_, primaryCiphertext_, secondaryCiphertext_, {data: nonAuxiliaryData_}); }).toThrow(); expect(function() { proofHandler_.generate( secret_, primaryCiphertext_, secondaryCiphertext_, {preComputation: nonObject_}); }).toThrow(); expect(function() { proofHandler_.generate( secret_, primaryCiphertext_, secondaryCiphertext_, {preComputation: nonProofObject_}); }).toThrow(); }); it('throw an error when verifying a simple plaintext equality proof, using an invalid proof', function() { expect(function() { proofHandler_.verify( undefined, primaryCiphertext_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.verify( null, primaryCiphertext_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.verify( nonProofObject_, primaryCiphertext_, secondaryCiphertext_); }).toThrow(); }); it('throw an error when verifying a simple plaintext equality proof, using an invalid primary ciphertext', function() { expect(function() { proofHandler_.verify(proof_, undefined, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, null, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, nonObject_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, emptyObject_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.verify( proof_, primaryCiphertextWithLessElements_, secondaryCiphertext_); }).toThrow(); expect(function() { proofHandler_.verify( proof_, primaryCiphertextFromAnotherGroup_, secondaryCiphertext_); }).toThrow(); }); it('throw an error when verifying a simple plaintext equality proof, using an invalid secondary ciphertext', function() { expect(function() { proofHandler_.verify(proof_, primaryCiphertext_, undefined); }).toThrow(); expect(function() { proofHandler_.verify(proof_, primaryCiphertext_, null); }).toThrow(); expect(function() { proofHandler_.verify(proof_, primaryCiphertext_, nonObject_); }).toThrow(); expect(function() { proofHandler_.verify(proof_, primaryCiphertext_, emptyObject_); }).toThrow(); expect(function() { proofHandler_.verify( proof_, primaryCiphertext_, secondaryCiphertextWithLessElements_); }).toThrow(); expect(function() { proofHandler_.verify( proof_, primaryCiphertext_, secondaryCiphertextFromAnotherGroup_); }).toThrow(); }); it('throw an error when verifying a simple plaintext equality proof, using invalid optional data', function() { expect(function() { proofHandler_.verify( proof_, primaryCiphertext_, secondaryCiphertext_, {data: nonAuxiliaryData_}); }).toThrow(); }); it('throw an error when measuring simple plaintext equality proof 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(); }); }); }); });