/// <summary>
///
/// </summary>
/// <param name="algorithm"></param>
/// <returns></returns>
private static HashAlgorithm GetHash(SigninAlgorithm algorithm)
{
switch (algorithm)
{
case SigninAlgorithm.RSASha1: return(new SHA1Managed());
case SigninAlgorithm.RSASha256: return(new SHA256Managed());
default: throw new ArgumentException("Invalid SigningAlgorithm value", "algorithm");
}
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="algorithm"></param>
/// <returns></returns>
public static Byte[] Hash(Byte[] data, SigninAlgorithm algorithm)
{
if (data == null)
{
throw new ArgumentNullException("Hash data.");
}
using (var hash = GetHash(algorithm))
{
return(hash.ComputeHash(data));
}
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="algorithm"></param>
/// <returns></returns>
public Byte[] Sign(Byte[] data, SigninAlgorithm algorithm)
{
if (data == null)
{
throw new ArgumentNullException("Sign data.");
}
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(this.Certificate.PrivateKey.ToXmlString(true));
byte[] signature = rsa.SignData(data, GetHashName(this.SigninAlgorithm));
return(signature);
}
}
/// <summary>
///
/// </summary>
/// <param name="algorithm"></param>
/// <returns></returns>
private String GetHashName(SigninAlgorithm algorithm)
{
switch (algorithm)
{
case SigninAlgorithm.RSASha1:
{
return("SHA1");
}
case SigninAlgorithm.RSASha256:
{
return("SHA256");
}
default:
{
throw new ArgumentException("Invalid SigningAlgorithm value", "algorithm");
}
}
}
/// <summary>
///
/// </summary>
/// <param name="algorithm"></param>
/// <returns></returns>
private String GetHashName(SigninAlgorithm algorithm)
{
switch (algorithm)
{
case SigninAlgorithm.RSASha1:
{
return "SHA1";
}
case SigninAlgorithm.RSASha256:
{
return "SHA256";
}
default:
{
throw new ArgumentException("Invalid SigningAlgorithm value", "algorithm");
}
}
}
/// <summary>
///
/// </summary>
/// <param name="algorithm"></param>
/// <returns></returns>
private static HashAlgorithm GetHash(SigninAlgorithm algorithm)
{
switch (algorithm)
{
case SigninAlgorithm.RSASha1: return new SHA1Managed();
case SigninAlgorithm.RSASha256: return new SHA256Managed();
default: throw new ArgumentException("Invalid SigningAlgorithm value", "algorithm");
}
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="algorithm"></param>
/// <returns></returns>
public Byte[] Sign(Byte[] data, SigninAlgorithm algorithm)
{
if (data == null)
{
throw new ArgumentNullException("Sign data.");
}
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(this.Certificate.PrivateKey.ToXmlString(true));
byte[] signature = rsa.SignData(data, GetHashName(this.SigninAlgorithm));
return signature;
}
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="algorithm"></param>
/// <returns></returns>
public static Byte[] Hash(Byte[] data, SigninAlgorithm algorithm)
{
if (data == null)
{
throw new ArgumentNullException("Hash data.");
}
using (var hash = GetHash(algorithm))
{
return hash.ComputeHash(data);
}
}
