//
//  AESCipher.swift
//  sdlan
//
//  Created by 安礼成 on 2025/7/14.
//
import Foundation

struct AESCipher {
    let aesKey: Data
    let ivData: Data
    
    init(aesKey: Data) {
        self.aesKey = aesKey
        self.ivData = Data(aesKey.prefix(16))
    }
    
    func decypt(data: Data) throws -> Data {
        return try CC.crypt(.decrypt, blockMode: .cbc, algorithm: .aes, padding: .pkcs7Padding, data: data, key: aesKey, iv: ivData)
    }
    
    func encrypt(data: Data) throws -> Data {
        return try CC.crypt(.encrypt, blockMode: .cbc, algorithm: .aes, padding: .pkcs7Padding, data: data, key: aesKey, iv: ivData)
    }
}