proton-protoncore_ios/libraries/Authentication-KeyGeneration/Tests/KeySetupTests.swift
2024-08-19 13:58:16 +02:00

413 lines
22 KiB
Swift

//
// KeySetupTests.swift
// ProtonCore-Authentication-KeyGeneration-Tests - Created on 06/01/2020
//
// Copyright (c) 2022 Proton Technologies AG
//
// This file is part of Proton Technologies AG and ProtonCore.
//
// ProtonCore is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ProtonCore is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with ProtonCore. If not, see <https://www.gnu.org/licenses/>.
import XCTest
import ProtonCoreDataModel
import ProtonCoreAuthentication
import ProtonCoreObfuscatedConstants
import ProtonCoreHash
@testable import ProtonCoreAuthenticationKeyGeneration
import SwiftOTP
import ProtonCoreCrypto
import ProtonCoreCryptoGoInterface
#if canImport(ProtonCoreCryptoPatchedGoImplementation)
import ProtonCoreCryptoPatchedGoImplementation
#elseif canImport(ProtonCoreCryptoGoImplementation)
import ProtonCoreCryptoGoImplementation
#elseif canImport(ProtonCoreCryptoSearchGoImplementation)
import ProtonCoreCryptoSearchGoImplementation
#elseif canImport(ProtonCoreCryptoVPNPatchedGoImplementation)
import ProtonCoreCryptoVPNPatchedGoImplementation
#else
import ProtonCoreCryptoGoImplementation
#endif
class KeySetupTests: XCTestCase {
let strUserkeySalt = "72dc01d02f58dbca117393bff474a8ed"
let strUserPassword = "12345678"
let addressJson = """
{ "ID": "testId", "email": "test@example.org", "send": 1, "receive": 1, "status": 1, "type": 1, "order": 1, "displayName": "", "signature": "" }
"""
let extAddressJson = """
{ "ID": "testId", "email": "externalTest@example.org", "send": 1, "receive": 1, "status": 1, "type": 5, "order": 1, "displayName": "", "signature": "" }
"""
var testAddress: Address {
return try! JSONDecoder().decode(Address.self, from: addressJson.data(using: .utf8)!)
}
var testExternalAddress: Address {
return try! JSONDecoder().decode(Address.self, from: extAddressJson.data(using: .utf8)!)
}
func testUser(key: Key) -> User {
User(
ID: "12345",
name: "test",
usedSpace: 0,
usedBaseSpace: 0,
usedDriveSpace: 0,
currency: "CHF",
credit: 0,
maxSpace: 100000,
maxBaseSpace: 50000,
maxDriveSpace: 50000,
maxUpload: 100000,
role: 0,
private: 1,
subscribed: [],
services: 0,
delinquent: 0,
orgPrivateKey: nil,
email: "test@user.ch",
displayName: "test",
keys: [key]
)
}
func testAddress(key: Key, type: Address.AddressType) -> Address {
Address(addressID: "testId", domainID: nil, email: "test@example.org", send: .active, receive: .active, status: .enabled, type: type, order: 1, displayName: "", signature: "", hasKeys: 1, keys: [key])
}
private var testBundle: Bundle!
func content(of name: String) -> String {
let url = testBundle.url(forResource: name, withExtension: "txt")!
let content = try! String.init(contentsOf: url)
return content
}
override func setUp() {
super.setUp()
injectDefaultCryptoImplementation()
self.testBundle = .module
}
func testAddressKeyGeneration() {
let keySetup = AddressKeySetup()
do {
let userkey = self.content(of: "privatekey_userkey")
let salt = Data.init(hex: strUserkeySalt)
let key = try keySetup.generateAddressKey(keyName: "Test key",
email: "test@test.com",
armoredUserKey: userkey,
password: "12345678",
salt: salt)
XCTAssertFalse(key.armoredKey.isEmpty)
} catch {
XCTFail(error.localizedDescription)
}
}
func testAddressKeyGenerationFail() {
let keySetup = AddressKeySetup()
do {
let userkey = self.content(of: "privatekey_userkey")
_ = try keySetup.generateAddressKey(keyName: "Test key", email: "test@test.com",
armoredUserKey: userkey,
password: "password",
salt: Data())
XCTFail("should not be here")
} catch let error {
XCTAssertEqual(error as? KeySetupError, .invalidSalt)
}
}
func testAddressKeyRouteSetup() {
let keySetup = AddressKeySetup()
do {
let userkey = self.content(of: "privatekey_userkey")
let salt = Data.init(hex: strUserkeySalt)
let key = try keySetup.generateAddressKey(keyName: "Test key", email: "test@test.com", armoredUserKey: userkey,
password: "12345678", salt: salt)
let route = try keySetup.setupCreateAddressKeyRoute(key: key, addressId: "addressId", isPrimary: true)
XCTAssertFalse(route.addressID.isEmpty)
XCTAssertFalse(route.privateKey.isEmpty)
XCTAssertEqual(route.isPrimary, true)
XCTAssertNotNil(route.signedKeyList["Data"])
XCTAssertNotNil(route.signedKeyList["Signature"])
} catch {
XCTFail(error.localizedDescription)
}
}
func testAccountKeyGeneration() {
let keySetup = AccountKeySetup()
do {
let key = try keySetup.generateAccountKey(addresses: [testAddress], password: "password")
XCTAssertFalse(key.addressKeys.isEmpty)
XCTAssertFalse(key.userKey.armoredKey.isEmpty)
XCTAssertFalse(key.userKey.passwordSalt.isEmpty)
} catch {
XCTFail(error.localizedDescription)
}
}
func testAccountKeyRouteSetup() {
let keySetup = AccountKeySetup()
do {
let key = try keySetup.generateAccountKey(addresses: [testAddress], password: "password")
let route = try keySetup.setupSetupKeysRoute(password: "password",
accountKey: key, modulus: ObfuscatedConstants.modulus,
modulusId: ObfuscatedConstants.modulusId)
XCTAssertFalse(route.addresses.isEmpty)
XCTAssertFalse(route.privateKey.isEmpty)
} catch {
XCTFail(error.localizedDescription)
}
}
///
func testGenerateRandomSecretEmpty() throws {
let addrKeySetup = AddressKeySetup()
let secret = try addrKeySetup.generateRandomSecret()
XCTAssertFalse(secret.isEmpty)
}
func testGenerateRandomSecretSize() throws {
let addrKeySetup = AddressKeySetup()
let secret = try addrKeySetup.generateRandomSecret()
XCTAssertEqual(secret.count, 64)
}
///
func testAccountSetupExternal() {
let keySetup = AccountKeySetup()
do {
// try to generate external address key
let rawPassword = "password"
let key = try keySetup.generateAccountKey(addresses: [testExternalAddress], password: rawPassword)
XCTAssertFalse(key.userKey.armoredKey.isEmpty)
let hashedPassword = PasswordHash.passphrase(rawPassword, salt: key.userKey.passwordSalt)
XCTAssertTrue(hashedPassword.value == key.userKey.password.value)
let testString = "encrypt&decrypt"
let encrypted = try key.userKey.armoredKey.encrypt(clearText: testString)
let clear: String = try Decryptor.decrypt(decryptionKeys: [DecryptionKey.init(privateKey: key.userKey.armoredKey,
passphrase: key.userKey.password)],
encrypted: encrypted)
XCTAssertEqual(clear, testString)
XCTAssertTrue(key.addressKeys.count == 1)
for addkey in key.addressKeys {
let token: String = try Decryptor.decrypt(decryptionKeys: [DecryptionKey.init(privateKey: key.userKey.armoredKey,
passphrase: key.userKey.password)],
encrypted: addkey.token)
let encrypted = try addkey.armoredKey.encrypt(clearText: testString)
let clear: String = try Decryptor.decrypt(decryptionKeys: [DecryptionKey.init(privateKey: addkey.armoredKey,
passphrase: Passphrase.init(value: token))],
encrypted: encrypted)
XCTAssertEqual(clear, testString)
let data = key.addressKeys.first?.signedKeyList["Data"] as! String
let dict = try? JSONSerialization.jsonObject(with: data.data(using: .utf8)!, options: []) as? [[String: Any]]
XCTAssertNotNil(dict?.first?["SHA256Fingerprints"])
let flags = dict?.first?["Flags"] as? UInt8
XCTAssertEqual(flags, KeyFlags.signupExternalKeyFlags.rawValue)
XCTAssertEqual((flags! & KeyFlags.signifyingExternalAddress.rawValue), KeyFlags.signifyingExternalAddress.rawValue)
XCTAssertEqual((flags! & KeyFlags.verifySignatures.rawValue), KeyFlags.verifySignatures.rawValue)
XCTAssertEqual((flags! & KeyFlags.encryptNewData.rawValue), KeyFlags.encryptNewData.rawValue)
let signature = addkey.signedKeyList["Signature"] as! String
let verified = try Sign.verifyDetached(signature: ArmoredSignature.init(value: signature), plainText: data, verifierKey: addkey.armoredKey, verificationContext: VerificationContext(value: AddressKeySetup.signedKeyListSignatureContext.value, required: .always))
XCTAssertTrue(verified)
}
let route = try keySetup.setupSetupKeysRoute(password: rawPassword,
accountKey: key, modulus: ObfuscatedConstants.modulus,
modulusId: ObfuscatedConstants.modulusId)
XCTAssertFalse(route.addresses.isEmpty)
XCTAssertFalse(route.privateKey.isEmpty)
} catch {
XCTFail(error.localizedDescription)
}
}
func testAddressSetupExternalAndInternal() {
let keySetup = AccountKeySetup()
do {
// try to generate external address key
let rawPassword = "password"
let key = try keySetup.generateAccountKey(addresses: [testAddress, testExternalAddress], password: rawPassword)
XCTAssertFalse(key.userKey.armoredKey.isEmpty)
let hashedPassword = PasswordHash.passphrase(rawPassword, salt: key.userKey.passwordSalt)
XCTAssertTrue(hashedPassword.value == key.userKey.password.value)
let testString = "encrypt&decrypt"
let encrypted = try key.userKey.armoredKey.encrypt(clearText: testString)
let clear: String = try Decryptor.decrypt(decryptionKeys: [DecryptionKey.init(privateKey: key.userKey.armoredKey,
passphrase: key.userKey.password)],
encrypted: encrypted)
XCTAssertEqual(clear, testString)
XCTAssertTrue(key.addressKeys.count == 2)
for (index, addkey) in key.addressKeys.enumerated() {
let token: String = try Decryptor.decrypt(decryptionKeys: [DecryptionKey.init(privateKey: key.userKey.armoredKey,
passphrase: key.userKey.password)],
encrypted: addkey.token)
let encrypted = try addkey.armoredKey.encrypt(clearText: testString)
let clear: String = try Decryptor.decrypt(decryptionKeys: [DecryptionKey.init(privateKey: addkey.armoredKey,
passphrase: Passphrase.init(value: token))],
encrypted: encrypted)
XCTAssertEqual(clear, testString)
XCTAssertNotNil(addkey.signedKeyList["Data"])
XCTAssertNotNil(addkey.signedKeyList["Signature"])
let data = addkey.signedKeyList["Data"] as! String
let dict = try? JSONSerialization.jsonObject(with: data.data(using: .utf8)!, options: []) as? [[String: Any]]
XCTAssertNotNil(dict?.first?["SHA256Fingerprints"])
let flags = dict?.first?["Flags"] as? UInt8
switch index {
case 0:
// internal address
XCTAssertEqual(flags, KeyFlags.signupKeyFlags.rawValue)
XCTAssertEqual((flags! & KeyFlags.verifySignatures.rawValue), KeyFlags.verifySignatures.rawValue)
XCTAssertEqual((flags! & KeyFlags.encryptNewData.rawValue), KeyFlags.encryptNewData.rawValue)
case 1:
// external address
XCTAssertEqual(flags, KeyFlags.signupExternalKeyFlags.rawValue)
XCTAssertEqual((flags! & KeyFlags.signifyingExternalAddress.rawValue), KeyFlags.signifyingExternalAddress.rawValue)
XCTAssertEqual((flags! & KeyFlags.verifySignatures.rawValue), KeyFlags.verifySignatures.rawValue)
XCTAssertEqual((flags! & KeyFlags.encryptNewData.rawValue), KeyFlags.encryptNewData.rawValue)
default:
XCTFail("Index not expected")
}
let signature = addkey.signedKeyList["Signature"] as! String
let verified = try Sign.verifyDetached(signature: ArmoredSignature.init(value: signature), plainText: data, verifierKey: addkey.armoredKey, verificationContext: VerificationContext(value: AddressKeySetup.signedKeyListSignatureContext.value, required: .always))
XCTAssertTrue(verified)
}
let route = try keySetup.setupSetupKeysRoute(password: rawPassword,
accountKey: key, modulus: ObfuscatedConstants.modulus,
modulusId: ObfuscatedConstants.modulusId)
XCTAssertFalse(route.addresses.isEmpty)
XCTAssertFalse(route.privateKey.isEmpty)
XCTAssertTrue(route.addresses.count == 2)
} catch {
XCTFail(error.localizedDescription)
}
}
func testAddressSetupExternal() {
let keySetup = AddressKeySetup()
do {
let userkey = self.content(of: "privatekey_userkey")
let salt = Data.init(hex: strUserkeySalt)
let rawPassword = "12345678"
let key = try keySetup.generateAddressKey(keyName: "Test key", email: "external@test.com", armoredUserKey: userkey,
password: rawPassword, salt: salt, addrType: .externalAddress)
let hashedPassword = PasswordHash.passphrase(rawPassword, salt: salt)
let route = try keySetup.setupCreateAddressKeyRoute(key: key, addressId: "addressId", isPrimary: true)
XCTAssertFalse(route.addressID.isEmpty)
XCTAssertFalse(route.privateKey.isEmpty)
XCTAssertEqual(route.isPrimary, true)
XCTAssertNotNil(route.signedKeyList["Data"])
XCTAssertNotNil(route.signedKeyList["Signature"])
XCTAssertFalse(key.armoredKey.isEmpty)
let testString = "encrypt&decrypt"
let token: String = try Decryptor.decrypt(decryptionKeys: [DecryptionKey.init(privateKey: ArmoredKey.init(value: userkey),
passphrase: hashedPassword)],
encrypted: key.token)
let encrypted = try key.armoredKey.encrypt(clearText: testString)
let clear: String = try Decryptor.decrypt(decryptionKeys: [DecryptionKey.init(privateKey: key.armoredKey,
passphrase: Passphrase.init(value: token))],
encrypted: encrypted)
XCTAssertEqual(clear, testString)
let data = key.signedKeyList["Data"] as! String
let dict = try? JSONSerialization.jsonObject(with: data.data(using: .utf8)!, options: []) as? [[String: Any]]
XCTAssertNotNil(dict?.first?["SHA256Fingerprints"])
let flags = dict?.first?["Flags"] as? UInt8
XCTAssertEqual(flags, KeyFlags.signupExternalKeyFlags.rawValue)
XCTAssertEqual((flags! & KeyFlags.signifyingExternalAddress.rawValue), KeyFlags.signifyingExternalAddress.rawValue)
XCTAssertEqual((flags! & KeyFlags.verifySignatures.rawValue), KeyFlags.verifySignatures.rawValue)
XCTAssertEqual((flags! & KeyFlags.encryptNewData.rawValue), KeyFlags.encryptNewData.rawValue)
let signature = key.signedKeyList["Signature"] as! String
let verified = try Sign.verifyDetached(signature: ArmoredSignature.init(value: signature), plainText: data, verifierKey: key.armoredKey, verificationContext: VerificationContext(value: AddressKeySetup.signedKeyListSignatureContext.value, required: .always))
XCTAssertTrue(verified)
} catch {
XCTFail(error.localizedDescription)
}
}
func testAddressActivationInternal() {
let keyActivation = AddressKeyActivation()
do {
let passphrase = "hello world"
let privateKey = self.content(of: "testdata_privatekey")
let publicKey = privateKey.publicKey
let activation = try passphrase.encryptNonOptional(withPubKey: publicKey, privateKey: privateKey, passphrase: passphrase)
let testKey = Key(keyID: "keyID", privateKey: privateKey, activation: activation)
let keyActivationEndpoint = try keyActivation.activeAddressKeys(user: testUser(key: testKey), address: testAddress(key: testKey, type: .protonDomain), mailboxPassword: passphrase)
let data = keyActivationEndpoint?.signedKeyList["Data"] as! String
let dict = try? JSONSerialization.jsonObject(with: data.data(using: .utf8)!, options: []) as? [[String: Any]]
XCTAssertNotNil(dict?.first?["SHA256Fingerprints"])
let flags = dict?.first?["Flags"] as? UInt8
XCTAssertEqual(flags, KeyFlags.signupKeyFlags.rawValue)
XCTAssertEqual((flags! & KeyFlags.verifySignatures.rawValue), KeyFlags.verifySignatures.rawValue)
XCTAssertEqual((flags! & KeyFlags.verifySignatures.rawValue), KeyFlags.verifySignatures.rawValue)
XCTAssertEqual((flags! & KeyFlags.encryptNewData.rawValue), KeyFlags.encryptNewData.rawValue)
let armoredUserKey = ArmoredKey.init(value: privateKey)
let signature = keyActivationEndpoint?.signedKeyList["Signature"] as! String
let verified = try Sign.verifyDetached(signature: ArmoredSignature.init(value: signature), plainText: data, verifierKey: armoredUserKey, verificationContext: VerificationContext(value: AddressKeySetup.signedKeyListSignatureContext.value, required: .always))
XCTAssertTrue(verified)
} catch let error {
XCTFail(error.localizedDescription)
}
}
func testAddressActivationExternal() {
let keyActivation = AddressKeyActivation()
do {
let passphrase = "hello world"
let privateKey = self.content(of: "testdata_privatekey")
let publicKey = privateKey.publicKey
let activation = try passphrase.encryptNonOptional(withPubKey: publicKey, privateKey: privateKey, passphrase: passphrase)
let testKey = Key(keyID: "keyID", privateKey: privateKey, activation: activation)
let keyActivationEndpoint = try keyActivation.activeAddressKeys(user: testUser(key: testKey), address: testAddress(key: testKey, type: .externalAddress), mailboxPassword: passphrase)
let data = keyActivationEndpoint?.signedKeyList["Data"] as! String
let dict = try? JSONSerialization.jsonObject(with: data.data(using: .utf8)!, options: []) as? [[String: Any]]
XCTAssertNotNil(dict?.first?["SHA256Fingerprints"])
let flags = dict?.first?["Flags"] as? UInt8
XCTAssertEqual(flags, KeyFlags.signupExternalKeyFlags.rawValue)
XCTAssertEqual((flags! & KeyFlags.signifyingExternalAddress.rawValue), KeyFlags.signifyingExternalAddress.rawValue)
XCTAssertEqual((flags! & KeyFlags.verifySignatures.rawValue), KeyFlags.verifySignatures.rawValue)
XCTAssertEqual((flags! & KeyFlags.encryptNewData.rawValue), KeyFlags.encryptNewData.rawValue)
let armoredUserKey = ArmoredKey.init(value: privateKey)
let signature = keyActivationEndpoint?.signedKeyList["Signature"] as! String
let verified = try Sign.verifyDetached(signature: ArmoredSignature.init(value: signature), plainText: data, verifierKey: armoredUserKey, verificationContext: VerificationContext(value: AddressKeySetup.signedKeyListSignatureContext.value, required: .always))
XCTAssertTrue(verified)
} catch let error {
XCTFail(error.localizedDescription)
}
}
}