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|
//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftCrypto open source project
//
// Copyright (c) 2019-2020 Apple Inc. and the SwiftCrypto project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.md for the list of SwiftCrypto project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import XCTest
#if CRYPTO_IN_SWIFTPM && !CRYPTO_IN_SWIFTPM_FORCE_BUILD_API
// Skip tests that require @testable imports of CryptoKit.
#else
#if !CRYPTO_IN_SWIFTPM_FORCE_BUILD_API
@testable import CryptoKit
#else
@testable import Crypto
#endif
class ECKeyEncodingsTests: XCTestCase {
func testEncodingsKeyAgreement() {
let p256KeyKA = P256.KeyAgreement.PrivateKey()
let p256KeyKA_raw = p256KeyKA.rawRepresentation
let p256KeyKA_x963 = p256KeyKA.x963Representation
XCTAssertNoThrow(try P256.KeyAgreement.PrivateKey(rawRepresentation: p256KeyKA_raw))
XCTAssertNoThrow(try P256.KeyAgreement.PrivateKey(x963Representation: p256KeyKA_x963))
let p384KeyKA = P384.KeyAgreement.PrivateKey()
let p384KeyKA_raw = p384KeyKA.rawRepresentation
let p384KeyKA_x963 = p384KeyKA.x963Representation
XCTAssertNoThrow(try P384.KeyAgreement.PrivateKey(rawRepresentation: p384KeyKA_raw))
XCTAssertNoThrow(try P384.KeyAgreement.PrivateKey(x963Representation: p384KeyKA_x963))
let p521KeyKA = P521.KeyAgreement.PrivateKey()
let p521KeyKA_raw = p521KeyKA.rawRepresentation
let p521KeyKA_x963 = p521KeyKA.x963Representation
XCTAssertNoThrow(try P521.KeyAgreement.PrivateKey(rawRepresentation: p521KeyKA_raw))
XCTAssertNoThrow(try P521.KeyAgreement.PrivateKey(x963Representation: p521KeyKA_x963))
// Curve25519 does not have an x963 representation.
let x25519KeyKA = Curve25519.KeyAgreement.PrivateKey()
let x25519KeyKA_raw = x25519KeyKA.rawRepresentation
XCTAssertNoThrow(try Curve25519.KeyAgreement.PrivateKey(rawRepresentation: x25519KeyKA_raw))
}
func testEncodingsSigningKeyTests() {
let p256KeyKA = P256.Signing.PrivateKey()
let p256KeyKA_raw = p256KeyKA.rawRepresentation
let p256KeyKA_x963 = p256KeyKA.x963Representation
XCTAssertNoThrow(try P256.Signing.PrivateKey(rawRepresentation: p256KeyKA_raw))
XCTAssertNoThrow(try P256.Signing.PrivateKey(x963Representation: p256KeyKA_x963))
let p384KeyKA = P384.Signing.PrivateKey()
let p384KeyKA_raw = p384KeyKA.rawRepresentation
let p384KeyKA_x963 = p384KeyKA.x963Representation
XCTAssertNoThrow(try P384.Signing.PrivateKey(rawRepresentation: p384KeyKA_raw))
XCTAssertNoThrow(try P384.Signing.PrivateKey(x963Representation: p384KeyKA_x963))
let p521KeyKA = P521.Signing.PrivateKey()
let p521KeyKA_raw = p521KeyKA.rawRepresentation
let p521KeyKA_x963 = p521KeyKA.x963Representation
XCTAssertNoThrow(try P521.Signing.PrivateKey(rawRepresentation: p521KeyKA_raw))
XCTAssertNoThrow(try P521.Signing.PrivateKey(x963Representation: p521KeyKA_x963))
let x25519KeyKA = Curve25519.Signing.PrivateKey()
let x25519KeyKA_raw = x25519KeyKA.rawRepresentation
XCTAssertNoThrow(try Curve25519.Signing.PrivateKey(rawRepresentation: x25519KeyKA_raw))
}
func testEncodingsKeyAgreementPublicKeys() {
let p256KeyKA = P256.KeyAgreement.PrivateKey().publicKey
let p256KeyKA_raw = p256KeyKA.rawRepresentation
let p256KeyKA_x963 = p256KeyKA.x963Representation
let p256KeyKA_compressed = p256KeyKA.compressedRepresentation
XCTAssertNoThrow(try P256.KeyAgreement.PublicKey(rawRepresentation: p256KeyKA_raw))
XCTAssertNoThrow(try P256.KeyAgreement.PublicKey(x963Representation: p256KeyKA_x963))
XCTAssertNoThrow(try P256.KeyAgreement.PublicKey(compressedRepresentation: p256KeyKA_compressed))
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(compressedRepresentation: p256KeyKA_x963)) { error in
XCTAssertTrue(error is CryptoKitError)
XCTAssertEqual(error as? CryptoKitError, .incorrectParameterSize)
}
let p384KeyKA = P384.KeyAgreement.PrivateKey().publicKey
let p384KeyKA_raw = p384KeyKA.rawRepresentation
let p384KeyKA_x963 = p384KeyKA.x963Representation
let p384KeyKA_compressed = p384KeyKA.compressedRepresentation
XCTAssertNoThrow(try P384.KeyAgreement.PublicKey(rawRepresentation: p384KeyKA_raw))
XCTAssertNoThrow(try P384.KeyAgreement.PublicKey(x963Representation: p384KeyKA_x963))
XCTAssertNoThrow(try P384.KeyAgreement.PublicKey(compressedRepresentation: p384KeyKA_compressed))
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(compressedRepresentation: p384KeyKA_x963)) { error in
XCTAssertTrue(error is CryptoKitError)
XCTAssertEqual(error as? CryptoKitError, .incorrectParameterSize)
}
let p521KeyKA = P521.KeyAgreement.PrivateKey().publicKey
let p521KeyKA_raw = p521KeyKA.rawRepresentation
let p521KeyKA_x963 = p521KeyKA.x963Representation
let p521KeyKA_compressed = p521KeyKA.compressedRepresentation
XCTAssertNoThrow(try P521.KeyAgreement.PublicKey(rawRepresentation: p521KeyKA_raw))
XCTAssertNoThrow(try P521.KeyAgreement.PublicKey(x963Representation: p521KeyKA_x963))
XCTAssertNoThrow(try P521.KeyAgreement.PublicKey(compressedRepresentation: p521KeyKA_compressed))
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(compressedRepresentation: p521KeyKA_x963)) { error in
XCTAssertTrue(error is CryptoKitError)
XCTAssertEqual(error as? CryptoKitError, .incorrectParameterSize)
}
// Curve25519 does not have an x963 representation.
let x25519KeyKA = Curve25519.KeyAgreement.PrivateKey().publicKey
let x25519KeyKA_raw = x25519KeyKA.rawRepresentation
XCTAssertNoThrow(try Curve25519.KeyAgreement.PublicKey(rawRepresentation: x25519KeyKA_raw))
}
func testEncodingsSigningKeyPublicKeys() {
let p256KeyKA = P256.Signing.PrivateKey().publicKey
let p256KeyKA_raw = p256KeyKA.rawRepresentation
let p256KeyKA_x963 = p256KeyKA.x963Representation
let p256KeyKA_compressed = p256KeyKA.compressedRepresentation
XCTAssertNoThrow(try P256.Signing.PublicKey(rawRepresentation: p256KeyKA_raw))
XCTAssertNoThrow(try P256.Signing.PublicKey(x963Representation: p256KeyKA_x963))
XCTAssertNoThrow(try P256.KeyAgreement.PublicKey(compressedRepresentation: p256KeyKA_compressed))
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(compressedRepresentation: p256KeyKA_x963)) { error in
XCTAssertTrue(error is CryptoKitError)
XCTAssertEqual(error as? CryptoKitError, .incorrectParameterSize)
}
let p384KeyKA = P384.Signing.PrivateKey().publicKey
let p384KeyKA_raw = p384KeyKA.rawRepresentation
let p384KeyKA_x963 = p384KeyKA.x963Representation
let p384KeyKA_compressed = p384KeyKA.compressedRepresentation
XCTAssertNoThrow(try P384.Signing.PublicKey(rawRepresentation: p384KeyKA_raw))
XCTAssertNoThrow(try P384.Signing.PublicKey(x963Representation: p384KeyKA_x963))
XCTAssertNoThrow(try P384.KeyAgreement.PublicKey(compressedRepresentation: p384KeyKA_compressed))
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(compressedRepresentation: p384KeyKA_x963)) { error in
XCTAssertTrue(error is CryptoKitError)
XCTAssertEqual(error as? CryptoKitError, .incorrectParameterSize)
}
let p521KeyKA = P521.Signing.PrivateKey().publicKey
let p521KeyKA_raw = p521KeyKA.rawRepresentation
let p521KeyKA_x963 = p521KeyKA.x963Representation
let p521KeyKA_compressed = p521KeyKA.compressedRepresentation
XCTAssertNoThrow(try P521.Signing.PublicKey(rawRepresentation: p521KeyKA_raw))
XCTAssertNoThrow(try P521.Signing.PublicKey(x963Representation: p521KeyKA_x963))
XCTAssertNoThrow(try P521.KeyAgreement.PublicKey(compressedRepresentation: p521KeyKA_compressed))
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(compressedRepresentation: p521KeyKA_x963)) { error in
XCTAssertTrue(error is CryptoKitError)
XCTAssertEqual(error as? CryptoKitError, .incorrectParameterSize)
}
let x25519KeyKA = Curve25519.Signing.PrivateKey().publicKey
let x25519KeyKA_raw = x25519KeyKA.rawRepresentation
XCTAssertNoThrow(try Curve25519.Signing.PublicKey(rawRepresentation: x25519KeyKA_raw))
}
func testEncodingsKeyAgreementCompactRepresentation() {
let p256KeyKA = P256.KeyAgreement.PrivateKey(compactRepresentable: true).publicKey
let p256KeyKA_compact = p256KeyKA.compactRepresentation!
XCTAssertNoThrow(try P256.KeyAgreement.PublicKey(compactRepresentation: p256KeyKA_compact))
let p384KeyKA = P384.KeyAgreement.PrivateKey(compactRepresentable: true).publicKey
let p384KeyKA_compact = p384KeyKA.compactRepresentation!
XCTAssertNoThrow(try P384.KeyAgreement.PublicKey(compactRepresentation: p384KeyKA_compact))
let p521KeyKA = P521.KeyAgreement.PrivateKey(compactRepresentable: true).publicKey
let p521KeyKA_compact = p521KeyKA.compactRepresentation!
XCTAssertNoThrow(try P521.KeyAgreement.PublicKey(compactRepresentation: p521KeyKA_compact))
}
func testEncodingsSigningCompactRepresentation() {
let p256KeyKA = P256.Signing.PrivateKey(compactRepresentable: true).publicKey
let p256KeyKA_compact = p256KeyKA.compactRepresentation!
XCTAssertNoThrow(try P256.Signing.PublicKey(compactRepresentation: p256KeyKA_compact))
let p384KeyKA = P384.Signing.PrivateKey(compactRepresentable: true).publicKey
let p384KeyKA_compact = p384KeyKA.compactRepresentation!
XCTAssertNoThrow(try P384.Signing.PublicKey(compactRepresentation: p384KeyKA_compact))
let p521KeyKA = P521.Signing.PrivateKey(compactRepresentable: true).publicKey
let p521KeyKA_compact = p521KeyKA.compactRepresentation!
XCTAssertNoThrow(try P521.Signing.PublicKey(compactRepresentation: p521KeyKA_compact))
}
func testSimplePEMP256SPKI() throws {
let pemPublicKey = """
-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEb4nB0k8CBVnKCHVHkxuXAkSlZuO5
Nsev1rzcRv5QHiJuWUKomFGadQlMSGwoDOHEDdW3ujcA6t0ADteHw6KrZg==
-----END PUBLIC KEY-----
"""
// Test the working public keys.
let signingKey = try orFail { try P256.Signing.PublicKey(pemRepresentation: pemPublicKey) }
let keyAgreementKey = try orFail { try P256.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching public keys.
XCTAssertThrowsError(try P384.Signing.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P521.Signing.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
// Now the private keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// Validate we can reserialize.
let firstReserialization = signingKey.pemRepresentation
let secondReserialization = keyAgreementKey.pemRepresentation
XCTAssertEqual(firstReserialization, pemPublicKey)
XCTAssertEqual(secondReserialization, pemPublicKey)
}
func testSimplePEMP384SPKI() throws {
let pemPublicKey = """
-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEBwY0l7mq7hSBEZRld5ISWfSoFsYN3wwM
hdD3cMU95DmYXzbqVHB4dCfsy7bexm4h9c0zs4CyTPzy3DV3vfmv1akQJIQv7l08
lx/YXNeGXTN4Gr9r4rwA5GvRl1p6plPL
-----END PUBLIC KEY-----
"""
// Test the working public keys.
let signingKey = try orFail { try P384.Signing.PublicKey(pemRepresentation: pemPublicKey) }
let keyAgreementKey = try orFail { try P384.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching public keys.
XCTAssertThrowsError(try P256.Signing.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P521.Signing.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
// Now the private keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// Validate we can reserialize.
let firstReserialization = signingKey.pemRepresentation
let secondReserialization = keyAgreementKey.pemRepresentation
XCTAssertEqual(firstReserialization, pemPublicKey)
XCTAssertEqual(secondReserialization, pemPublicKey)
}
func testSimplePEMP521SPKI() throws {
let pemPublicKey = """
-----BEGIN PUBLIC KEY-----
MIGbMBAGByqGSM49AgEGBSuBBAAjA4GGAAQAp3v1UQWvSyQnkAUEBu+x/7ZrPtNJ
SCUk9kMvuZMyGP1idwvspALuJjzrSFFlXObjlOjxucSbWhTYF/o3nc0XzpAA3dxA
BYiMqH9vrVePoJMpv+DMdkUiUJ/WqHSOu9bJEi1h4fdqh5HHx4QZJY/iX/59VAi1
uSbAhALvbdGFbVpkcOs=
-----END PUBLIC KEY-----
"""
// Test the working public keys.
let signingKey = try orFail { try P521.Signing.PublicKey(pemRepresentation: pemPublicKey) }
let keyAgreementKey = try orFail { try P521.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching public keys.
XCTAssertThrowsError(try P256.Signing.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P384.Signing.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(pemRepresentation: pemPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
// Now the private keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// Validate we can reserialize.
let firstReserialization = signingKey.pemRepresentation
let secondReserialization = keyAgreementKey.pemRepresentation
XCTAssertEqual(firstReserialization, pemPublicKey)
XCTAssertEqual(secondReserialization, pemPublicKey)
}
func testSimplePEMP256PKCS8() throws {
let pemPrivateKey = """
-----BEGIN PRIVATE KEY-----
MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgZjQLlzempZx7YF1F
+MK1HWZTNgLcC1MAufb/2/YZYk6hRANCAAQwgn0PfkIHiZ/K+3zA//CoDqU2PqDc
aA3U5R68jmlZQITvMyBlMJl9Mjh0biIe88dAfRKeUm9FVMD2ErJ/006V
-----END PRIVATE KEY-----
"""
// Test the working private keys.
let signingKey = try orFail { try P256.Signing.PrivateKey(pemRepresentation: pemPrivateKey) }
let keyAgreementKey = try orFail { try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P384.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// Validate we can reserialize.
let firstReserialization = signingKey.pemRepresentation
let secondReserialization = keyAgreementKey.pemRepresentation
XCTAssertEqual(firstReserialization, pemPrivateKey)
XCTAssertEqual(secondReserialization, pemPrivateKey)
}
func testSimplePEMP384PKCS8() throws {
let pemPrivateKey = """
-----BEGIN PRIVATE KEY-----
MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDB7ERKhMR+mvz1NQ+oL
i6ZJMACOcwbUetWcNnB4Mnx3j4XuhpkkHEW8E1+rXyjZ3UmhZANiAASYH+emlyXM
kBSFJl0BiopDVuIIR47M4pLl00YNnuu/Rp5VHeVAHrP67i2Q92u5fk34eOSwQvkO
VvktWsgtzAomIam4SHqE9bhvrHy6kW6QzxlERHTL+YkXEX8c6t8VOxk=
-----END PRIVATE KEY-----
"""
// Test the working private keys.
let signingKey = try orFail { try P384.Signing.PrivateKey(pemRepresentation: pemPrivateKey) }
let keyAgreementKey = try orFail { try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P256.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// Validate we can reserialize.
let firstReserialization = signingKey.pemRepresentation
let secondReserialization = keyAgreementKey.pemRepresentation
XCTAssertEqual(firstReserialization, pemPrivateKey)
XCTAssertEqual(secondReserialization, pemPrivateKey)
}
func testSimplePEMP521PKCS8() throws {
let pemPrivateKey = """
-----BEGIN PRIVATE KEY-----
MIHuAgEAMBAGByqGSM49AgEGBSuBBAAjBIHWMIHTAgEBBEIAmMp6YYRfT6uA+DFi
VB/V7FGAgjjuin1GcF8eujBZTcNB8jyzyXfG7Ak80jd3yhrHhAg7rOOZYV72Ekz5
o05NKM2hgYkDgYYABAEIOePr9DPc9lGHqSYrGHX0ICvZxy3DLTjPcl7jgAcUU9NT
1DBvJ7aAAmzTImz9mKOJk14f1fxc1BsWjsf1hU4QOwFu1l+dIDcNYFUxjzsGMc5e
LsSxRn35ts4qogmz3kmerOc0smI8NIFiK/EuinK5Bs8PfPMW3ZOCIpvXbqyksLk0
rg==
-----END PRIVATE KEY-----
"""
// Test the working private keys.
let signingKey = try orFail { try P521.Signing.PrivateKey(pemRepresentation: pemPrivateKey) }
let keyAgreementKey = try orFail { try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P256.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P384.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// Validate we can reserialize.
let firstReserialization = signingKey.pemRepresentation
let secondReserialization = keyAgreementKey.pemRepresentation
XCTAssertEqual(firstReserialization, pemPrivateKey)
XCTAssertEqual(secondReserialization, pemPrivateKey)
}
func testSimplePEMP256SEC1PrivateKey() throws {
let pemPrivateKey = """
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIHwS3r7tdBfDPSOaT/x6A2qvXFFXlGmnaYkxzrj1CQUHoAoGCCqGSM49
AwEHoUQDQgAE79HvsMQC9IyhZ7yCCYKmgz9zewM4KziWoVMXKN+7Cd5Ds+jK8V5q
hD6YVbbo/v1udmM5DfhHJiUW3Ww5++suRg==
-----END EC PRIVATE KEY-----
"""
// Test the working private keys.
let signingKey = try orFail { try P256.Signing.PrivateKey(pemRepresentation: pemPrivateKey) }
let keyAgreementKey = try orFail { try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P384.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// We can't reserialize the SEC1 keys, we don't emit them.
}
func testSimplePEMP384SEC1PrivateKey() throws {
let pemPrivateKey = """
-----BEGIN EC PRIVATE KEY-----
MIGkAgEBBDDrN+qjvW7TqcXrKlTFbSP8AdbsIdqvRAgWHlaBicP7dkx+HKQidSiS
B2RLWyjSrs6gBwYFK4EEACKhZANiAAQrRiaztGpInYo1XqMnNokWY6g1TcgMuzgq
Ug6LzFQbCAqCrcnM9+c9Z4/63dC06ulL/KbLQgThjSiqRzgbzvmOvB0OzlpX1weK
usFrF4Pi0B9pKPmVCAlSzaxVEmRsbmw=
-----END EC PRIVATE KEY-----
"""
// Test the working private keys.
let signingKey = try orFail { try P384.Signing.PrivateKey(pemRepresentation: pemPrivateKey) }
let keyAgreementKey = try orFail { try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P256.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// We can't reserialize the SEC1 keys, we don't emit them.
}
func testSimplePEMP521SEC1PrivateKey() throws {
let pemPrivateKey = """
-----BEGIN EC PRIVATE KEY-----
MIHcAgEBBEIBf4tGkyicrFEadZv7iWnmCGsDk7S18CTCUD7n4+XOG6GbVNLwpBsE
naUP5eXHm5Bxuiir0BIsKATXx0ZwEjULpfCgBwYFK4EEACOhgYkDgYYABAEiHfCR
mQtxxjthsfQ987aSYGgxcCLxBaj8/fW4U7jufPcqxz27x9wi1qB2rZmOKaSsh1JZ
wF5yOAMX4/acIK1OdgGzbafukRZjqF3wKVP8UFH0DzdNaZ8aSplgUu8gV2TjJyQB
1sCKaVuecBtTRiIwvnapv5PgQIgstPQmRhqVOLriDA==
-----END EC PRIVATE KEY-----
"""
// Test the working private keys.
let signingKey = try orFail { try P521.Signing.PrivateKey(pemRepresentation: pemPrivateKey) }
let keyAgreementKey = try orFail { try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P256.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P384.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(pemRepresentation: pemPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .invalidPEMDocument)
}
// We can't reserialize the SEC1 keys, we don't emit them.
}
func testSimpleDERP256SPKI() throws {
let b64PublicKey = "MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEIq+Qd2HviOb1JAkvKInCCec/gbZRnEZ6H9gO29wJ1H/a8Mmmog7b8nj+xEgo7Rh5dKlNgRaKvVjlLDllq+bPAA=="
let derPublicKey = Data(base64Encoded: b64PublicKey)!
// Test the working public keys.
let signingKey = try orFail { try P256.Signing.PublicKey(derRepresentation: derPublicKey) }
let keyAgreementKey = try orFail { try P256.KeyAgreement.PublicKey(derRepresentation: derPublicKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching public keys.
XCTAssertThrowsError(try P384.Signing.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P521.Signing.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
// Now the private keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// Validate we can reserialize.
let firstReserialization = signingKey.derRepresentation
let secondReserialization = keyAgreementKey.derRepresentation
XCTAssertEqual(firstReserialization, derPublicKey)
XCTAssertEqual(secondReserialization, derPublicKey)
}
func testSimpleDERP384SPKI() throws {
let b64PublicKey = "MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEvt9xABn4WAo0EQsp3BMEd26f3qrXJ5RrhU1i2wp0G29oK2cdNareBirnyjlsQEg/OQ+ZQyKmMrxm5OrbhvJf/+97dc6phzb2R/blH62I65BiUSBAsGaXU69ObTPOwDKT"
let derPublicKey = Data(base64Encoded: b64PublicKey)!
// Test the working public keys.
let signingKey = try orFail { try P384.Signing.PublicKey(derRepresentation: derPublicKey) }
let keyAgreementKey = try orFail { try P384.KeyAgreement.PublicKey(derRepresentation: derPublicKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching public keys.
XCTAssertThrowsError(try P256.Signing.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P521.Signing.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
// Now the private keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// Validate we can reserialize.
let firstReserialization = signingKey.derRepresentation
let secondReserialization = keyAgreementKey.derRepresentation
XCTAssertEqual(firstReserialization, derPublicKey)
XCTAssertEqual(secondReserialization, derPublicKey)
}
func testSimpleDERP521SPKI() throws {
let b64PublicKey = "MIGbMBAGByqGSM49AgEGBSuBBAAjA4GGAAQAfH9fsVM7MdTe88+kvkZmFq9nPLMAPvCyAf5PYnJ7qV3W0rtVC2R3c0Aw21QxeN4XAIFcElO9NQ+ErT/m4o6+1YgBlLfBTnHKTq/WTNjQWxQk8i1PzHMsplT41OMAm0LaHwi9s+mWUIGlbfcP+MmVKY5dMkskPsU2YBlLZI81xk+z2X4="
let derPublicKey = Data(base64Encoded: b64PublicKey)!
// Test the working public keys.
let signingKey = try orFail { try P521.Signing.PublicKey(derRepresentation: derPublicKey) }
let keyAgreementKey = try orFail { try P521.KeyAgreement.PublicKey(derRepresentation: derPublicKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching public keys.
XCTAssertThrowsError(try P256.Signing.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P384.Signing.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(derRepresentation: derPublicKey)) { error in
guard case .incorrectParameterSize = error as? CryptoKitError else {
XCTFail("Unexpected error: \(error)")
return
}
}
// Now the private keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(derRepresentation: derPublicKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// Validate we can reserialize.
let firstReserialization = signingKey.derRepresentation
let secondReserialization = keyAgreementKey.derRepresentation
XCTAssertEqual(firstReserialization, derPublicKey)
XCTAssertEqual(secondReserialization, derPublicKey)
}
func testSimpleDERP256PKCS8() throws {
let b64PrivateKey = "MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgxWaWfbbhHsTjtEwkANo6ZDeJ2CARYhjOSt2auAW7xNOhRANCAAQsAL3hTMCCbh1kVCSJa8V22WLNDriEpVOLEJXiVFEwAFjWd1BufewuT69tYa0hyB1Q3pt12HPK2c1KGwjOpScW"
let derPrivateKey = Data(base64Encoded: b64PrivateKey)!
// Test the working private keys.
let signingKey = try orFail { try P256.Signing.PrivateKey(derRepresentation: derPrivateKey) }
let keyAgreementKey = try orFail { try P256.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P384.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// Validate we can reserialize.
let firstReserialization = signingKey.derRepresentation
let secondReserialization = keyAgreementKey.derRepresentation
XCTAssertEqual(firstReserialization, derPrivateKey)
XCTAssertEqual(secondReserialization, derPrivateKey)
}
func testSimpleDERP384PKCS8() throws {
let b64PrivateKey = "MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDAsdACCJGneotN0y5zQjZxImZuH3TuvHeKWXKi2m6d3fYsGOufibIqaxfCLVZGvxb2hZANiAARL6IhECKbw5UCSqGaaZ3H5FNbXuk/4y4QTJLhdQRBkibr6YjEzFGDgd1yjU0msBOMBvx3oCZ5rPgVaogQXPdZbx8PnTt2I+2x2BuoRibA+/yCAyJSluVm/005p0EcAmuI="
let derPrivateKey = Data(base64Encoded: b64PrivateKey)!
// Test the working private keys.
let signingKey = try orFail { try P384.Signing.PrivateKey(derRepresentation: derPrivateKey) }
let keyAgreementKey = try orFail { try P384.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P256.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// Validate we can reserialize.
let firstReserialization = signingKey.derRepresentation
let secondReserialization = keyAgreementKey.derRepresentation
XCTAssertEqual(firstReserialization, derPrivateKey)
XCTAssertEqual(secondReserialization, derPrivateKey)
}
func testSimpleDERP521PKCS8() throws {
let b64PrivateKey = "MIHuAgEAMBAGByqGSM49AgEGBSuBBAAjBIHWMIHTAgEBBEIA2u5+KHPk/vVrYI53Khh3WrFmxUCQ5YeK6HAi+GyebeRM3w1KoQuD4oHocp2aKffjjWKVkEfLRfjraJgh1jH+GPihgYkDgYYABAC4M0cSEZ+hKwn65PQtdFu+L1ZdBt4kjrGJ2ggNG+tQ3z4S11KV9b+R+CyUajajhU2nJ4UkHQO5bEaTPmaWySFSVQEZilLlYtnQZSKGLS2DR4zBsny0O2+D5DpFSYKsDPN23MdOBdTam2Gqtm/WAirVmXMqs8v5VSjmh3i/EG6EDPEtXw=="
let derPrivateKey = Data(base64Encoded: b64PrivateKey)!
// Test the working private keys.
let signingKey = try orFail { try P521.Signing.PrivateKey(derRepresentation: derPrivateKey) }
let keyAgreementKey = try orFail { try P521.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P256.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P384.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// Validate we can reserialize.
let firstReserialization = signingKey.derRepresentation
let secondReserialization = keyAgreementKey.derRepresentation
XCTAssertEqual(firstReserialization, derPrivateKey)
XCTAssertEqual(secondReserialization, derPrivateKey)
}
func testSimpleDERP256SEC1PrivateKey() throws {
let b64PrivateKey = "MHcCAQEEIKzmkxtADyr8LymuVMqpLFVlx27bdgT0+un4I2a3DE1KoAoGCCqGSM49AwEHoUQDQgAEZp2q8QP4shIBZIHS1b1ZBUeLbrpnTA6CB17iFzF8udyYmcRkDAPSBamFXf4IthinYkfnru/PymZl+tpeM56BOw=="
let derPrivateKey = Data(base64Encoded: b64PrivateKey)!
// Test the working private keys.
let signingKey = try orFail { try P256.Signing.PrivateKey(derRepresentation: derPrivateKey) }
let keyAgreementKey = try orFail { try P256.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P384.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// We can't reserialize the SEC1 keys, we don't emit them.
}
func testSimpleDERP384SEC1PrivateKey() throws {
let b64PrivateKey = "MIGkAgEBBDAF5FSBF7Se55zRtIyMRcKgFWAEx0ixHqeevUFerPVtvZC7U2LfGOx9GMR5V+Nj7uagBwYFK4EEACKhZANiAAQCXRQ9B+RYv6zvQVdP2xZ0/8U3nzcOdWuAMb0BvjqkE/xDhHp7DYNGEv4pWhj1hkl9Tv5jum0eqAGgzq1hLpeY2aWnwk8fqnrDVDcnWrZe/9QpmHGaOP1YJXuyaJRnBWo="
let derPrivateKey = Data(base64Encoded: b64PrivateKey)!
// Test the working private keys.
let signingKey = try orFail { try P384.Signing.PrivateKey(derRepresentation: derPrivateKey) }
let keyAgreementKey = try orFail { try P384.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P256.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// We can't reserialize the SEC1 keys, we don't emit them.
}
func testSimpleDERP521SEC1PrivateKey() throws {
let b64PrivateKey = "MIHcAgEBBEIBFQwJ2Spw90Sn7oOnBKU6ob5Zoq9qBo6YiarvTok4jurO2VSQTyrmk02KK8EmZ/ZQqXRl/mZm0hLXwKBdUe+MPfSgBwYFK4EEACOhgYkDgYYABAEFYqZABFf2NBxxLb7rUV/pKAO8IF/ddIs2BY9dU/Ru6sQBOT6lzr5pGZC4a0o30ZGWNOvMq503Ev7/XDjW8fdPCQBGm4JGOOI/Pr008wsASEQOvloAUEQ+HOTZ94Dk3OTHqqahtgjp2BLGvMWHf1PwMsXv98nLE+LEYTQ8fzTgbUJwxg=="
let derPrivateKey = Data(base64Encoded: b64PrivateKey)!
// Test the working private keys.
let signingKey = try orFail { try P521.Signing.PrivateKey(derRepresentation: derPrivateKey) }
let keyAgreementKey = try orFail { try P521.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey) }
XCTAssertEqual(signingKey.rawRepresentation, keyAgreementKey.rawRepresentation)
// Now the non-matching private keys.
XCTAssertThrowsError(try P256.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P256.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P384.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P384.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
// Now the public keys, which all fail.
XCTAssertThrowsError(try P256.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P256.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P384.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.Signing.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
XCTAssertThrowsError(try P521.KeyAgreement.PublicKey(derRepresentation: derPrivateKey)) { error in
XCTAssertEqual(error as? CryptoKitASN1Error, .unexpectedFieldType)
}
// We can't reserialize the SEC1 keys, we don't emit them.
}
func testInvalidPEMP521PKCS8() throws {
// This key is generated by an older OpenSSL or LibreSSL, which forgets to zero-pad the
// private key. We want to validate that we correctly reject this.
let pemPrivateKey = """
-----BEGIN PRIVATE KEY-----
MIHtAgEAMBAGByqGSM49AgEGBSuBBAAjBIHVMIHSAgEBBEFtmqAvS3jccVAam+Yn
y3iiwMi6q8roJeAtxqdOkZUCdZ3Rf6lD0nehiH4QN7xOrhHrAIeZWe0ld2XUawGF
H0ltO6GBiQOBhgAEAJHKKLTdXvL1DyZX4TI0kEi63I9cwtg09CQZ/Bp+K9MWsx9S
bjIEBcr3yEKlUmRW+TKNoXo50ycbl4DlLknN2VbGAXE22e2sz8RQ1omvDE6lLBvB
A5UvlNrk6ioTg2tumXD3Co06r1Hn+7lkkcjfT5mZO4jy7vP9ItvprJrIa6ySzVQ8
-----END PRIVATE KEY-----
"""
// This is not a valid private key for P521.
XCTAssertThrowsError(try P521.Signing.PrivateKey(pemRepresentation: pemPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(pemRepresentation: pemPrivateKey))
}
func testInvalidDERP521PKCS8() throws {
// This key is generated by an older OpenSSL or LibreSSL, which forgets to zero-pad the
// private key. We want to validate that we correctly reject this.
let b64PrivateKey = "MIHtAgEAMBAGByqGSM49AgEGBSuBBAAjBIHVMIHSAgEBBEG1erZ/O4JMc11uT3SLJPQ4ICWbEdM0e8d1mI/uUhbZ6nE90jq38FZYkvKf6q3d1DUWJj8aWjktq2+gfCSD+XFulaGBiQOBhgAEAYKbRHQpjqaS17SwXAQzpUct9i+TyVUdDtQVpwxVTVhuklvTEWqypvSAyhqo9nPf/aKHl4fQD94Fd3RTzOmW8x+nAGnWGO6ZG1OQ72NCmT9fyB8dG2ifeDpICKuEq6reVIBDSQvi5F98C/lEIgu2r+MGYWj+S7pjEmSqksSjsJ3Oxo9U"
let derPrivateKey = Data(base64Encoded: b64PrivateKey)!
// This is not a valid private key for P521.
XCTAssertThrowsError(try P521.Signing.PrivateKey(derRepresentation: derPrivateKey))
XCTAssertThrowsError(try P521.KeyAgreement.PrivateKey(derRepresentation: derPrivateKey))
}
func testRejectX963CompressedRepresentation() throws {
let privateKey = P256.KeyAgreement.PrivateKey()
let publicKey = privateKey.publicKey
try XCTAssertNoThrow(P256.KeyAgreement.PublicKey(x963Representation: publicKey.x963Representation))
try XCTAssertThrowsError(P256.KeyAgreement.PublicKey(x963Representation: publicKey.compressedRepresentation)) { error in
XCTAssertTrue(error is CryptoKitError)
XCTAssertEqual(error as? CryptoKitError, .incorrectParameterSize)
}
}
}
#endif // CRYPTO_IN_SWIFTPM
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