如何加密AES 256 CBC在iOS Swift 3中像larvel encrypt（）方法 [英] How to encryption AES 256 CBC in iOS Swift 3 like larvel encrypt() method
本文介绍了如何加密AES 256 CBC在iOS Swift 3中像larvel encrypt（）方法的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我想在 iOS Swift 3 中制作 Laravel 加密。
Crypt :: encrypt（'123456'）;
我尝试过这样的东西，但它不起作用。我觉得这段代码有问题：
func generateRandomBytes（） - >串？ {
var keyData = Data（count：10）
let result = keyData.withUnsafeMutableBytes {
（mutableBytes：UnsafeMutablePointer< UInt8>） - > Int32 in
SecRandomCopyBytes（kSecRandomDefault，keyData.count，mutableBytes）
}
如果result == errSecSuccess {
return keyData.base64EncodedString（）
} else {
print（生成随机字节的问题）
return nil
}
}
覆盖func viewDidLoad（）{
super.viewDidLoad（）
让ivString：String = generateRandomBytes（）！
let ivDecodedData：Data = ivString.data（using：.utf8）！
print（iv：，ivString，ivString.characters.count）
let purePasswordString：String =123456
let serialString = String（format：s：％lu：\ ％@ \;，purePasswordString.characters.count，purePasswordString）
let keyString =u6KuXJLIUwEUl7noY8J8H1ffDRwLC / 5gjaWW1qTQ3hE =
let encryptedStrKEYData = NSData（base64Encoded：keyString，options：。 init（rawValue：0））！
let encryptedStrKEYDataString：String = NSString（data：encryptedStrKEYData as Data，encoding：String.Encoding.ascii.rawValue）！ as String
let keyData：Data = Data（base64Encoded：keyString）！
let message = serialString
let data：NSData！ =（message as NSString）.data（using：String.Encoding.ascii.rawValue）as NSData！
let cryptData = NSMutableData（length：Int（data.length）+ kCCBlockSizeAES128）！
let keyLength = size_t（kCCKeySizeAES256）
let操作：CCOperation = UInt32（kCCEncrypt）
让算法：CCAlgorithm = UInt32（kCCAlgorithmAES128）
let options：CCOptions = UInt32（kCCOptionPKCS7Padding）
var numBytesEncrypted：size_t = 0
let cryptStatus = CCCrypt（operation，
algoritm，
options，
keyData.bytes，
keyLength，
ivDecodedData.bytes，
data.bytes，
data.length，
cryptData.mutableBytes，
cryptData.length，
& ; numBytesEncrypted）
如果UInt32（cryptStatus）== UInt32（kCCSuccess）{
cryptData.length = int（numBytesEncrypted）
print（cryptLength = \（numBytesEncrypted），cryptData = \（cryptData））
let base64cryptString = cryptData.base64EncodedString（options：[.lineLength64Characters]）
let mix：String = String（format：％@％@，ivString，base64cryptString）
let cKey = encryptedStrKEYDataString.cString（using：String.Encoding.utf8）
let cData = mix.cString（using：String.Encoding.utf8）
let algorithm = CCHmacAlgorithm（kCCHmacAlgSHA256）
let size = Int（CC_SHA256_DIGEST_LENGTH）
var result = [CUnsignedChar]（重复：0， count：size）
CCHmac（algorithm，cKey !, Int（strlen（cKey！）），cData !, Int（strlen（cData！）），& result）
let hmacData：NSData = NSData （bytes：result，length：size）
let hmacBase64 = hmacData.base64EncodedString（options：[]）
let dict：Dictionary = [iv：ivString，value：base64cryptString ，mac：hmacBase64]
do {
let jsonData = try JSONSerialization.data（withJSONObject：dict，options：.init（rawValue：0））
let j：String = jsonData.base64EncodedString（）
print（done：，j，j.characters.count）
} catch {
print（error.localizedDescription）
}
} else {
print 错误：\（cryptStatus））
}
}
看到这个可以帮助你：
https：/ /github.com/reza-khalafi/LaravelCrypt/blob/master/laravelEncrypt.php
这是我最后一次尝试：
import UIKit
class Enc2ViewController：UIViewController {
func generateRandomBytes（） >串？ {
var keyData = Data（count：10）
let result = keyData.withUnsafeMutableBytes {
（mutableBytes：UnsafeMutablePointer< UInt8>） - > Int32 in
SecRandomCopyBytes（kSecRandomDefault，keyData.count，mutableBytes）
}
如果result == errSecSuccess {
return keyData.base64EncodedString（）
} else {
print（生成随机字节的问题）
return nil
}
}
覆盖func viewDidLoad（）{
super.viewDidLoad（）
let iv = generateRandomBytes（）！ //固定16个字符
print（iv String：\（iv））
let cryptoKeyString =u6KuXJLIUwEUl7noY8J8H1ffDRwLC / 5gjaWW1qTQ3hE =
let pureMessageString：String =123456
let originalString = String （格式：s：％lu：\％@ \;，pureMessageString.characters.count，pureMessageString）
print（Original String：\（originalString））
let key：String = cryptoKeyString
如果let keyData = key.data（using：String.Encoding.utf8），
let data = originalString.data（using：String.Encoding .utf8），
let cryptData = NSMutableData（length：Int（（data.count））+ kCCBlockSizeAES128）{
let keyLength = size_t（kCCKeySizeAES256）
让操作：CCOperation = UInt32（kCCEncrypt）
让算法：CCAlgorithm = UInt32（kCCAlgorithmAES128）
let选项：CCOptions = UInt32（kCCOptionPKCS7Padding）
var numBytesEncrypted：size_t = 0
let base64cryptStringOut = keyData.withUnsafeBytes {（keyBytes：UnsafePointer< CChar>） - > String？ in
return data.withUnsafeBytes {（dataBytes：UnsafePointer< CChar>） - > String？ in
let cryptStatus = CCCrypt（operation，
algoritm，
options，
keyBytes，keyLength，
iv，
dataBytes，data。 count，
cryptData.mutableBytes，cryptData.length，
& numBytesEncrypted）
如果UInt32（cryptStatus）== UInt32（kCCSuccess）{
cryptData.length = int（numBytesEncrypted）
let base64cryptString = cryptData.base64EncodedString（options：.lineLength64Characters）
return base64cryptString
}
else {
return nil
}
}
}
print（base64cryptStringOut：\（String（describe：base64cryptStringOut）））
let bIv：String = Data （iv.utf8）.base64EncodedString（）
print（bIv，bIv，bIv.characters.count）
let mixStr：String = String（format：％@％@ ，bIv，base64cryptStringOut！）
print（mix：，mixStr，mixStr.characters.count）
var result：[CUnsignedChar]
如果让cKey = key.cString（using：String.Encoding.utf8），
let cData = mixStr.cString（using：String.Encoding.utf8）
{
let algo = CCHmacAlgorithm（kCCHmacAlgSHA256）
result = Array（repeated：0，count：Int（CC_SHA256_DIGEST_LENGTH））
CCHmac（algo，cKey，cKey。 count，cData，cData.count，& result）
}
else {
fatalError（以UTF8处理输入字符串时返回）
}
var hexString =
用于结果{
hexString + = String（格式：％2hhx，UInt8（byte））
}
print hmac-string：\（hexString）\（hexString.characters.count））
让dict：Dictionary = [iv：bIv，value：base64cryptStringOut ，mac：hexString]
do {
let jsonData = try JSONSerialization.data（withJSONObject：dict，options：.init（rawValue：0））
//这里jsonData是以JSON数据编码的字典
print（jsonData）
let j：String = jsonData.base64EncodedString（）
print（done： ，j，j.characters.count）
} catch {
print（error.localizedDescription）
}
}
} //执行负载
解决方案已解决：
br>最后，我们经过太多时间研究关于 Laravel 加密后的决定，决定自己创建。 LaraCrypt 解决了问题。尝试这样：
pod'LaraCrypt'
享受。
I wanna make Laravel encryption in iOS Swift 3.
Crypt::encrypt('123456');
i tried something like this but it does not work for. I think something is wrong in this code:
func generateRandomBytes() -> String? {
var keyData = Data(count: 10)
let result = keyData.withUnsafeMutableBytes {
(mutableBytes: UnsafeMutablePointer<UInt8>) -> Int32 in
SecRandomCopyBytes(kSecRandomDefault, keyData.count, mutableBytes)
}
if result == errSecSuccess {
return keyData.base64EncodedString()
} else {
print("Problem generating random bytes")
return nil
}
}
override func viewDidLoad() {
super.viewDidLoad()
let ivString:String = generateRandomBytes()!
let ivDecodedData : Data = ivString.data(using: .utf8)!
print("iv : ",ivString ,ivString.characters.count)
let purePasswordString:String = "123456"
let serialString = String(format:"s:%lu:\"%@\";",purePasswordString.characters.count,purePasswordString)
let keyString = "u6KuXJLIUwEUl7noY8J8H1ffDRwLC/5gjaWW1qTQ3hE="
let encryptedStrKEYData = NSData(base64Encoded: keyString, options: .init(rawValue: 0))!
let encryptedStrKEYDataString:String = NSString(data: encryptedStrKEYData as Data, encoding: String.Encoding.ascii.rawValue)! as String
let keyData: Data = Data(base64Encoded: keyString)!
let message = serialString
let data: NSData! = (message as NSString).data(using: String.Encoding.ascii.rawValue) as NSData!
let cryptData = NSMutableData(length: Int(data.length) + kCCBlockSizeAES128)!
let keyLength = size_t(kCCKeySizeAES256)
let operation: CCOperation = UInt32(kCCEncrypt)
let algoritm: CCAlgorithm = UInt32(kCCAlgorithmAES128)
let options: CCOptions = UInt32(kCCOptionPKCS7Padding)
var numBytesEncrypted :size_t = 0
let cryptStatus = CCCrypt(operation,
algoritm,
options,
keyData.bytes,
keyLength,
ivDecodedData.bytes,
data.bytes,
data.length,
cryptData.mutableBytes,
cryptData.length,
&numBytesEncrypted)
if UInt32(cryptStatus) == UInt32(kCCSuccess) {
cryptData.length = Int(numBytesEncrypted)
print("cryptLength = \(numBytesEncrypted), cryptData = \(cryptData)")
let base64cryptString = cryptData.base64EncodedString(options: [.lineLength64Characters])
let mix:String = String(format:"%@%@",ivString,base64cryptString)
let cKey = encryptedStrKEYDataString.cString(using: String.Encoding.utf8)
let cData = mix.cString(using: String.Encoding.utf8)
let algorithm = CCHmacAlgorithm(kCCHmacAlgSHA256)
let size = Int(CC_SHA256_DIGEST_LENGTH)
var result = [CUnsignedChar](repeating: 0, count: size )
CCHmac(algorithm, cKey!, Int(strlen(cKey!)), cData!, Int(strlen(cData!)), &result)
let hmacData:NSData = NSData(bytes: result, length: size)
let hmacBase64 = hmacData.base64EncodedString(options: [])
let dict:Dictionary = ["iv":ivString,"value":base64cryptString,"mac":hmacBase64]
do {
let jsonData = try JSONSerialization.data(withJSONObject: dict, options: .init(rawValue: 0))
let j:String = jsonData.base64EncodedString()
print("done: ", j , j.characters.count)
} catch {
print(error.localizedDescription)
}
} else {
print("Error: \(cryptStatus)")
}
}
And see this to help you :
https://github.com/reza-khalafi/LaravelCrypt/blob/master/laravelEncrypt.php
And this is my last try:
import UIKit
class Enc2ViewController: UIViewController {
func generateRandomBytes() -> String? {
var keyData = Data(count: 10)
let result = keyData.withUnsafeMutableBytes {
(mutableBytes: UnsafeMutablePointer<UInt8>) -> Int32 in
SecRandomCopyBytes(kSecRandomDefault, keyData.count, mutableBytes)
}
if result == errSecSuccess {
return keyData.base64EncodedString()
} else {
print("Problem generating random bytes")
return nil
}
}
override func viewDidLoad() {
super.viewDidLoad()
let iv = generateRandomBytes()! // fixed 16 chars.
print("iv String: \(iv)")
let cryptoKeyString = "u6KuXJLIUwEUl7noY8J8H1ffDRwLC/5gjaWW1qTQ3hE="
let pureMessageString:String = "123456"
let originalString = String(format:"s:%lu:\"%@\";",pureMessageString.characters.count,pureMessageString)
print("Original String: \(originalString)")
let key:String = cryptoKeyString
if let keyData = key.data(using: String.Encoding.utf8),
let data = originalString.data(using: String.Encoding.utf8),
let cryptData = NSMutableData(length: Int((data.count)) + kCCBlockSizeAES128) {
let keyLength = size_t(kCCKeySizeAES256)
let operation: CCOperation = UInt32(kCCEncrypt)
let algoritm: CCAlgorithm = UInt32(kCCAlgorithmAES128)
let options: CCOptions = UInt32(kCCOptionPKCS7Padding)
var numBytesEncrypted :size_t = 0
let base64cryptStringOut = keyData.withUnsafeBytes {(keyBytes: UnsafePointer<CChar>)->String? in
return data.withUnsafeBytes {(dataBytes: UnsafePointer<CChar>)->String? in
let cryptStatus = CCCrypt(operation,
algoritm,
options,
keyBytes, keyLength,
iv,
dataBytes, data.count,
cryptData.mutableBytes, cryptData.length,
&numBytesEncrypted)
if UInt32(cryptStatus) == UInt32(kCCSuccess) {
cryptData.length = Int(numBytesEncrypted)
let base64cryptString = cryptData.base64EncodedString(options: .lineLength64Characters)
return base64cryptString
}
else {
return nil
}
}
}
print("base64cryptStringOut: \(String(describing: base64cryptStringOut)) ")
let bIv:String = Data(iv.utf8).base64EncodedString()
print("bIv",bIv,bIv.characters.count)
let mixStr:String = String(format:"%@%@",bIv,base64cryptStringOut!)
print("mix: ",mixStr,mixStr.characters.count)
var result: [CUnsignedChar]
if let cKey = key.cString(using: String.Encoding.utf8),
let cData = mixStr.cString(using: String.Encoding.utf8)
{
let algo = CCHmacAlgorithm(kCCHmacAlgSHA256)
result = Array(repeating: 0, count: Int(CC_SHA256_DIGEST_LENGTH))
CCHmac(algo, cKey, cKey.count, cData, cData.count, &result)
}
else {
fatalError("Nil returned when processing input strings as UTF8")
}
var hexString = ""
for byte in result {
hexString += String(format:"%2hhx", UInt8(byte))
}
print("hmac-string: \(hexString) \(hexString.characters.count)")
let dict:Dictionary = ["iv":bIv,"value":base64cryptStringOut,"mac":hexString]
do {
let jsonData = try JSONSerialization.data(withJSONObject: dict, options: .init(rawValue: 0))
// here "jsonData" is the dictionary encoded in JSON data
print(jsonData)
let j:String = jsonData.base64EncodedString()
print("done: ", j , j.characters.count)
} catch {
print(error.localizedDescription)
}
}
}//didload
}
解决方案
Solved:
Finally we make it after too much time research about Laravel encryption, Decided to create by own. LaraCrypt solved the problem. try this:
pod 'LaraCrypt'
Laravel Encryption with Swift language
Enjoy.
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