using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ShengJu_CUT100_DES.MessageEntity.Outgoing
{
    /// <summary>
    /// 对进行高级格式化后自动创建的默认应用目录下的4个文件，按指定编号的密钥验证旧密钥后将旧密钥的更改为新密钥
    /// </summary>
    public class ModifyPredefinedFileKey : MessageBase
    {
        public enum PredefinedFileKeyTypeEnum
        {
            根密钥 = 0x00,
            文件1读密钥 = 0x01,
            文件1读写密钥 = 0x02,
            文件2读密钥 = 0x03,
            文件2读写密钥 = 0x04,
            文件3读密钥 = 0x05,
            文件3读写密钥 = 0x06,
            文件4读密钥 = 0x07,
            文件4读写密钥 = 0x08
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="fileId">1-4</param>
        /// <param name="blockAddress">0-3</param>
        /// <param name="readKey">16 bytes key,密钥值需要与制定文件的读写密钥相对应</param>
        public ModifyPredefinedFileKey(PredefinedFileKeyTypeEnum keyType, byte[] oldKey, byte[] newKey)
        {
            if (oldKey == null || newKey == null)
                throw new ArgumentNullException("must provide oldKey and newKey");
            if (oldKey.Length != 16 || newKey.Length != 16)
                throw new ArgumentException("oldKey and newKey must has its length to 16");
            base.命令代码 = CommandType.DesFireEV1操作命令_更改密钥;
            base.RawDataAndCheck = new byte[] { (byte)keyType }.Concat(oldKey).Concat(newKey).ToList();
        }
    }
}