public SymmetricAlgorithmProvider()
{
try
{
if (!string.IsNullOrEmpty(symmetricAlgo))
format = (AlgorithmFormat)Enum.Parse(typeof(AlgorithmFormat), symmetricAlgo);
initProvider(format);
}
catch (Exception ex)
{
logger.Error("加密格式配置不正确", ex);
}
}
public SymmetricAlgorithmProvider(AlgorithmFormat format)
{
this.format = format;
initProvider(format);
}
public HashAlgorithmProvider(AlgorithmFormat format)
{
this.format = format;
initProvider(format);
}
private void initProvider(AlgorithmFormat format)
{
switch (format)
{
case AlgorithmFormat.DES:
provider = new DESCryptoServiceProvider();
break;
case AlgorithmFormat.RC2:
provider = new RC2CryptoServiceProvider();
break;
default:
provider = null;
break;
}
}
private void initProvider(AlgorithmFormat format)
{
provider = CryptoConfig.CreateFromName(format.ToString().ToUpper()) as HashAlgorithm;
}
