/// <summary>
/// Hash the given data and sign it using DSA.
/// </summary>
public static byte[] HashAndSignUsingDSA(byte[] dataToSign, string keyContainerName, HashAlgorithmTypeEnum hashType)
{
DSACryptoServiceProvider dsa = AsymmetricOperation.GetDSACryptoServiceProvider(keyContainerName);
byte[] hashedData = HashOperation.CreateHashAlgorithmProvider(hashType).ComputeHash(dataToSign);
return(dsa.CreateSignature(hashedData));
}
/// <summary>
/// Verify the given data and signature using RSA.
/// </summary>
public static bool VerifySignedHashUsingDSA(byte[] dataToVerify, byte[] signedData,
string keyContainerName, HashAlgorithmTypeEnum hashType)
{
DSACryptoServiceProvider dsa = AsymmetricOperation.GetDSACryptoServiceProvider(keyContainerName);
byte[] hashedData = HashOperation.CreateHashAlgorithmProvider(hashType).ComputeHash(dataToVerify);
return(dsa.VerifySignature(hashedData, signedData));
}
