private void initKey()
{
try
{
/**
* 获取秘钥
* 没有秘钥则产生一对秘钥，并用非明文方式保存秘钥
* */
String strKey = FileReadWrite.Read();
if (String.IsNullOrEmpty(strKey))
{
Key = AesCryptoHelper.CreateKeyAndIv();
strKey = SerializationHelper.Serialization(Key);
strKey = AesCryptoHelper.Encrypt(strKey, keyEncryptorKey);
FileReadWrite.Write(strKey);
}
else
{
strKey = AesCryptoHelper.Decrypt(strKey, keyEncryptorKey);
Key = SerializationHelper.Deserialization(strKey);
}
}
catch (Exception ex)
{
var entity = LogEntityFactory.Create(String.Format("秘钥初始化失败:{0}", ex.ToString()),
LogTypeFacotry.CreateExceptionLogType(),
LogLevelFactory.CreateGravenessLogLevel());
log.SaveLog(entity);
throw new Exception("秘钥初始化失败，秘钥文件被破坏！");
}
}
public void SaveChanges()
{
/**
* 序列化数据
* 对数据加密
* 将密文写入文件
* */
if (dataStor == null)
{
return;
}
String message = SerializationHelper.Serialization(dataStor);
var bytes = Encryptor(Encoding.UTF8.GetBytes(message));
FileReadWrite.Write(Convert.ToBase64String(bytes));
}