iOS 应用程序安全最佳实践

iOS 应用程序安全最佳实践

swift
import CryptoKit
func encryptData(data: Data, key: SymmetricKey) throws -> Data {
    let sealedBox = try AES.GCM.seal(data, using: key)
    return sealedBox.combined!
}
func decryptData(data: Data, key: SymmetricKey) throws -> Data {
    let sealedBox = try AES.GCM.SealedBox(combined: data)
    return try AES.GCM.open(sealedBox, using: key)
}

swift
import Darwin
func isDebuggerAttached() -> Bool {
    var info = kinfo_proc()
    var mib : [Int32] = [CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid()]
    var size = MemoryLayout.stride(ofValue: info)
    let sysctlResult = sysctl(&mib, u_int(mib.count), &info, &size, nil, 0)
    if sysctlResult != 0 {
        return false
    }
    return (info.kp_proc.p_flag & P_TRACED) != 0
}

swift
import Foundation
func sendRequest(url: URL) {
    let session = URLSession(configuration: URLSessionConfiguration.default)
    let task = session.dataTask(with: url) { (data, response, error) in
        if let error = error {
            print("Error: \(error.localizedDescription)")
        } else if let data = data {
            // 处理返回的数据
        }
    }
    task.resume()
}

swift
import Foundation
func isReverseEngineered() -> Bool {
    let path = Bundle.main.executablePath
    var info = Dl_info()
    dladdr(UnsafeRawPointer(bitPattern:1), &info)
    let executablePath = String(cString: info.dli_fname)
    return executablePath != path
}

swift
import LocalAuthentication
func authenticateUser() {
    let context = LAContext()
    var error: NSError?
    if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error) {
        context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: "使用 Touch ID 进行身份认证") { (success, error) in
            if success {
                // 用户认证成功，执行相应操作
            } else {
                // 用户认证失败，处理错误信息
            }
        }
    }
}