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+//
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+// RabbitTests.swift
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+// CryptoSwift
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+//
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+// Created by Dima Kalachov on 13/11/15.
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+// Copyright © 2015 Marcin Krzyzanowski. All rights reserved.
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+//
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+
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+import XCTest
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+@testable import CryptoSwift
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+
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+class RabbitTests: XCTestCase {
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+
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+ override func setUp() {
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+ super.setUp()
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+ }
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+
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+ override func tearDown() {
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+ super.tearDown()
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+ }
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+
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+ func testInitialization() {
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+ var key = [UInt8](count: Rabbit.keySize - 1, repeatedValue: 0)
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+ var iv: [UInt8]?
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+ XCTAssertNil(Rabbit(key: key, iv: iv))
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+
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+ key = [UInt8](count: Rabbit.keySize + 1, repeatedValue: 0)
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+ XCTAssertNil(Rabbit(key: key, iv: iv))
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+
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+ key = [UInt8](count: Rabbit.keySize, repeatedValue: 0)
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+ XCTAssertNotNil(Rabbit(key: key, iv: iv))
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+
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+ iv = [UInt8](count: Rabbit.ivSize - 1, repeatedValue: 0)
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+ XCTAssertNil(Rabbit(key: key, iv: iv))
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+
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+ iv = [UInt8](count: Rabbit.ivSize, repeatedValue: 0)
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+ XCTAssertNotNil(Rabbit(key: key, iv: iv))
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+ }
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+
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+ func testRabbitWithoutIV() {
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+ // Examples from Appendix A: Test Vectors in http://tools.ietf.org/rfc/rfc4503.txt
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+ let cases: [([UInt8], [UInt8])] = [
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+ // First case
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+ (
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+ [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
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+ [
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+ 0xB1, 0x57, 0x54, 0xF0, 0x36, 0xA5, 0xD6, 0xEC, 0xF5, 0x6B, 0x45, 0x26, 0x1C, 0x4A, 0xF7, 0x02,
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+ 0x88, 0xE8, 0xD8, 0x15, 0xC5, 0x9C, 0x0C, 0x39, 0x7B, 0x69, 0x6C, 0x47, 0x89, 0xC6, 0x8A, 0xA7,
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+ 0xF4, 0x16, 0xA1, 0xC3, 0x70, 0x0C, 0xD4, 0x51, 0xDA, 0x68, 0xD1, 0x88, 0x16, 0x73, 0xD6, 0x96,
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+ ]
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+ ),
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+ // Second case
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+ (
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+ [0x91, 0x28, 0x13, 0x29, 0x2E, 0x3D, 0x36, 0xFE, 0x3B, 0xFC, 0x62, 0xF1, 0xDC, 0x51, 0xC3, 0xAC],
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+ [
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+ 0x3D, 0x2D, 0xF3, 0xC8, 0x3E, 0xF6, 0x27, 0xA1, 0xE9, 0x7F, 0xC3, 0x84, 0x87, 0xE2, 0x51, 0x9C,
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+ 0xF5, 0x76, 0xCD, 0x61, 0xF4, 0x40, 0x5B, 0x88, 0x96, 0xBF, 0x53, 0xAA, 0x85, 0x54, 0xFC, 0x19,
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+ 0xE5, 0x54, 0x74, 0x73, 0xFB, 0xDB, 0x43, 0x50, 0x8A, 0xE5, 0x3B, 0x20, 0x20, 0x4D, 0x4C, 0x5E,
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+ ]
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+ ),
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+ // Third case
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+ (
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+ [0x83, 0x95, 0x74, 0x15, 0x87, 0xE0, 0xC7, 0x33, 0xE9, 0xE9, 0xAB, 0x01, 0xC0, 0x9B, 0x00, 0x43,],
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+ [
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+ 0x0C, 0xB1, 0x0D, 0xCD, 0xA0, 0x41, 0xCD, 0xAC, 0x32, 0xEB, 0x5C, 0xFD, 0x02, 0xD0, 0x60, 0x9B,
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+ 0x95, 0xFC, 0x9F, 0xCA, 0x0F, 0x17, 0x01, 0x5A, 0x7B, 0x70, 0x92, 0x11, 0x4C, 0xFF, 0x3E, 0xAD,
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+ 0x96, 0x49, 0xE5, 0xDE, 0x8B, 0xFC, 0x7F, 0x3F, 0x92, 0x41, 0x47, 0xAD, 0x3A, 0x94, 0x74, 0x28,
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+ ]
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+ ),
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+ ]
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+
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+ let plainText = [UInt8](count: 48, repeatedValue: 0)
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+ for (key, expectedCipher) in cases {
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+ let rabbit = Rabbit(key: key)!
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+ let cipherText = rabbit.encrypt(plainText)
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+ XCTAssertEqual(cipherText, expectedCipher)
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+ XCTAssertEqual(rabbit.decrypt(cipherText), plainText)
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+ }
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+ }
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+
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+ func testRabbitWithIV() {
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+ // Examples from Appendix A: Test Vectors in http://tools.ietf.org/rfc/rfc4503.txt
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+ let key = [UInt8](count: Rabbit.keySize, repeatedValue: 0)
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+ let cases: [([UInt8], [UInt8])] = [
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+ (
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+ [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
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+ [
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+ 0xC6, 0xA7, 0x27, 0x5E, 0xF8, 0x54, 0x95, 0xD8, 0x7C, 0xCD, 0x5D, 0x37, 0x67, 0x05, 0xB7, 0xED,
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+ 0x5F, 0x29, 0xA6, 0xAC, 0x04, 0xF5, 0xEF, 0xD4, 0x7B, 0x8F, 0x29, 0x32, 0x70, 0xDC, 0x4A, 0x8D,
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+ 0x2A, 0xDE, 0x82, 0x2B, 0x29, 0xDE, 0x6C, 0x1E, 0xE5, 0x2B, 0xDB, 0x8A, 0x47, 0xBF, 0x8F, 0x66,
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+ ]
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+ ),
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+ (
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+ [0xC3, 0x73, 0xF5, 0x75, 0xC1, 0x26, 0x7E, 0x59],
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+ [
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+ 0x1F, 0xCD, 0x4E, 0xB9, 0x58, 0x00, 0x12, 0xE2, 0xE0, 0xDC, 0xCC, 0x92, 0x22, 0x01, 0x7D, 0x6D,
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+ 0xA7, 0x5F, 0x4E, 0x10, 0xD1, 0x21, 0x25, 0x01, 0x7B, 0x24, 0x99, 0xFF, 0xED, 0x93, 0x6F, 0x2E,
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+ 0xEB, 0xC1, 0x12, 0xC3, 0x93, 0xE7, 0x38, 0x39, 0x23, 0x56, 0xBD, 0xD0, 0x12, 0x02, 0x9B, 0xA7,
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+ ]
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+ ),
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+ (
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+ [0xA6, 0xEB, 0x56, 0x1A, 0xD2, 0xF4, 0x17, 0x27],
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+ [
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+ 0x44, 0x5A, 0xD8, 0xC8, 0x05, 0x85, 0x8D, 0xBF, 0x70, 0xB6, 0xAF, 0x23, 0xA1, 0x51, 0x10, 0x4D,
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+ 0x96, 0xC8, 0xF2, 0x79, 0x47, 0xF4, 0x2C, 0x5B, 0xAE, 0xAE, 0x67, 0xC6, 0xAC, 0xC3, 0x5B, 0x03,
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+ 0x9F, 0xCB, 0xFC, 0x89, 0x5F, 0xA7, 0x1C, 0x17, 0x31, 0x3D, 0xF0, 0x34, 0xF0, 0x15, 0x51, 0xCB,
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+ ]
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+ ),
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+ ]
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+
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+ let plainText = [UInt8](count: 48, repeatedValue: 0)
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+ for (iv, expectedCipher) in cases {
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+ let rabbit = Rabbit(key: key, iv: iv)!
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+ let cipherText = rabbit.encrypt(plainText)
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+ XCTAssertEqual(cipherText, expectedCipher)
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+ XCTAssertEqual(rabbit.decrypt(cipherText), plainText)
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+ }
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+ }
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+
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+ func testRabbitPerformance() {
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+ let key: [UInt8] = [UInt8](count: Rabbit.keySize, repeatedValue: 0)
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+ let iv: [UInt8] = [UInt8](count: Rabbit.ivSize, repeatedValue: 0)
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+ let message = [UInt8](count: (1024 * 1024) * 1, repeatedValue: 7)
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+ measureMetrics([XCTPerformanceMetric_WallClockTime], automaticallyStartMeasuring: true, forBlock: { () -> Void in
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+ let encrypted = Rabbit(key: key, iv: iv)?.encrypt(message)
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+ self.stopMeasuring()
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+ XCTAssert(encrypted != nil, "not encrypted")
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+ })
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+ }
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+}
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Dima Kalachov