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-//
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-// CryptoSwift
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-//
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-// Copyright (C) 2014-2021 Marcin Krzyżanowski <marcin@krzyzanowskim.com>
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-// This software is provided 'as-is', without any express or implied warranty.
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-//
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-// In no event will the authors be held liable for any damages arising from the use of this software.
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-//
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-// Permission is granted to anyone to use this software for any purpose,including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
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-//
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-// - The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation is required.
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-// - Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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-// - This notice may not be removed or altered from any source or binary distribution.
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-//
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-
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-#if canImport(Security)
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-
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- import Security
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- import XCTest
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- @testable import CryptoSwift
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-
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- final class RSASecKeyTests: XCTestCase {
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-
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- // MARK: SecKey <-> RSA Interoperability
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-
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- /// From RSA -> External Representation -> SecKey
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- func testRSAExternalRepresentationPrivate() throws {
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-
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- /// Generate a CryptoSwift RSA Key
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- let rsaCryptoSwift = try RSA(keySize: 1024)
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-
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- /// Get the key's rawExternalRepresentation
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- let rsaCryptoSwiftRawRep = try rsaCryptoSwift.privateKeyDER()
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-
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- /// We should be able to instantiate an RSA SecKey from this data
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- let attributes: [String: Any] = [
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- kSecAttrKeyType as String: kSecAttrKeyTypeRSA,
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- kSecAttrKeyClass as String: kSecAttrKeyClassPrivate,
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- kSecAttrKeySizeInBits as String: 1024,
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- kSecAttrIsPermanent as String: false
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- ]
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- var error: Unmanaged<CFError>?
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- guard let rsaSecKey = SecKeyCreateWithData(Data(rsaCryptoSwiftRawRep) as CFData, attributes as CFDictionary, &error) else {
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- XCTFail("Error constructing SecKey from raw key data: \(error.debugDescription)")
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- return
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- }
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-
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- /// Get the SecKey's external representation
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- var externalRepError: Unmanaged<CFError>?
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- guard let rsaSecKeyRawRep = SecKeyCopyExternalRepresentation(rsaSecKey, &externalRepError) as? Data else {
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- XCTFail("Failed to copy external representation for RSA SecKey")
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- return
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- }
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-
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- // Ensure both the CryptoSwift Ext Rep and the SecKey Ext Rep match
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- XCTAssertEqual(rsaSecKeyRawRep, Data(rsaCryptoSwiftRawRep))
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- XCTAssertEqual(rsaSecKeyRawRep, try rsaCryptoSwift.externalRepresentation())
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- }
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-
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- /// From RSA -> External Representation -> SecKey
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- func testRSAExternalRepresentationPublic() throws {
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-
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- /// Generate a CryptoSwift RSA Key
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- let rsaCryptoSwift = try RSA(keySize: 1024)
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-
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- /// Get the key's rawExternalRepresentation
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- let rsaCryptoSwiftRawRep = try rsaCryptoSwift.publicKeyDER()
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-
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- /// We should be able to instantiate an RSA SecKey from this data
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- let attributes: [String: Any] = [
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- kSecAttrKeyType as String: kSecAttrKeyTypeRSA,
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- kSecAttrKeyClass as String: kSecAttrKeyClassPublic,
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- kSecAttrKeySizeInBits as String: 1024,
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- kSecAttrIsPermanent as String: false
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- ]
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- var error: Unmanaged<CFError>?
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- guard let rsaSecKey = SecKeyCreateWithData(Data(rsaCryptoSwiftRawRep) as CFData, attributes as CFDictionary, &error) else {
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- XCTFail("Error constructing SecKey from raw key data: \(error.debugDescription)")
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- return
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- }
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-
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- /// Get the SecKey's external representation
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- var externalRepError: Unmanaged<CFError>?
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- guard let rsaSecKeyRawRep = SecKeyCopyExternalRepresentation(rsaSecKey, &externalRepError) as? Data else {
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- XCTFail("Failed to copy external representation for RSA SecKey")
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- return
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- }
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-
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- // Ensure both the CryptoSwift Ext Rep and the SecKey Ext Rep match
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- XCTAssertEqual(rsaSecKeyRawRep, Data(rsaCryptoSwiftRawRep))
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- XCTAssertEqual(rsaSecKeyRawRep, try rsaCryptoSwift.publicKeyExternalRepresentation())
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- }
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-
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- /// SecKey -> External Representation -> CryptoSwift RSA
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- func testSecKeyExternalRepresentationPrivate() throws {
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- /// Generate a SecKey RSA Key
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- let parameters: [CFString: Any] = [
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- kSecAttrKeyType: kSecAttrKeyTypeRSA,
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- kSecAttrKeySizeInBits: 1024
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- ]
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-
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- var error: Unmanaged<CFError>?
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-
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- // Generate the RSA SecKey
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- guard let rsaSecKey = SecKeyCreateRandomKey(parameters as CFDictionary, &error) else {
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- XCTFail("Key Generation Error: \(error.debugDescription)")
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- return
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- }
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-
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- /// Lets grab the external representation
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- var externalRepError: Unmanaged<CFError>?
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- guard let rsaSecKeyRawRep = SecKeyCopyExternalRepresentation(rsaSecKey, &externalRepError) as? Data else {
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- XCTFail("Failed to copy external representation for RSA SecKey")
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- return
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- }
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-
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- // Ensure we can import the private RSA key into CryptoSwift
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- let rsaCryptoSwift = try RSA(rawRepresentation: rsaSecKeyRawRep)
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-
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- XCTAssertNotNil(rsaCryptoSwift.d)
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- XCTAssertEqual(rsaSecKeyRawRep, try rsaCryptoSwift.externalRepresentation())
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- }
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-
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- /// SecKey -> External Representation -> CryptoSwift RSA
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- func testSecKeyExternalRepresentationPublic() throws {
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- /// Generate a SecKey RSA Key
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- let parameters: [CFString: Any] = [
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- kSecAttrKeyType: kSecAttrKeyTypeRSA,
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- kSecAttrKeySizeInBits: 1024
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- ]
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-
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- var error: Unmanaged<CFError>?
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-
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- // Generate the RSA SecKey
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- guard let rsaSecKey = SecKeyCreateRandomKey(parameters as CFDictionary, &error) else {
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- XCTFail("Key Generation Error: \(error.debugDescription)")
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- return
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- }
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-
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- // Extract the public key from the private RSA SecKey
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- guard let rsaSecKeyPublic = SecKeyCopyPublicKey(rsaSecKey) else {
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- XCTFail("Public Key Extraction Error")
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- return
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- }
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-
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- /// Lets grab the external representation of the public key
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- var externalRepError: Unmanaged<CFError>?
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- guard let rsaSecKeyRawRep = SecKeyCopyExternalRepresentation(rsaSecKeyPublic, &externalRepError) as? Data else {
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- XCTFail("Failed to copy external representation for RSA SecKey")
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- return
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- }
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-
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- // Ensure we can import the private RSA key into CryptoSwift
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- let rsaCryptoSwift = try RSA(rawRepresentation: rsaSecKeyRawRep)
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-
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- XCTAssertNil(rsaCryptoSwift.d)
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- XCTAssertEqual(rsaSecKeyRawRep, try rsaCryptoSwift.externalRepresentation())
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- }
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- }
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-
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- extension RSASecKeyTests {
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- static func allTests() -> [(String, (RSASecKeyTests) -> () throws -> Void)] {
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- let tests = [
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- ("testRSAExternalRepresentationPrivate", testRSAExternalRepresentationPrivate),
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- ("testRSAExternalRepresentationPublic", testRSAExternalRepresentationPublic),
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- ("testSecKeyExternalRepresentationPrivate", testSecKeyExternalRepresentationPrivate),
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- ("testSecKeyExternalRepresentationPublic", testSecKeyExternalRepresentationPublic)
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- ]
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-
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- return tests
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- }
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- }
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-
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-#endif
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