public HMACSHA256Cng(byte[] key, CngProvider algorithmProvider)
{
if (key == null)
throw new ArgumentNullException("key");
if (algorithmProvider == null)
throw new ArgumentNullException("algorithmProvider");
HashName = "SHA256";
m_hmac = new BCryptHMAC(CngAlgorithm.Sha256, algorithmProvider, HashName, BlockSize, key);
}
/// <summary>
/// Constructs a HMACSHA512Cng object using the given key, which will calculate the HMAC using the
/// given algorithm provider and key.
/// </summary>
/// <param name="key">key to use when calculating the HMAC</param>
/// <param name="algorithmProvider">algorithm provider to calculate the HMAC in</param>
/// <exception cref="ArgumentNullException">
/// if <paramref name="key"/> or <paramref name="algorithmProvider"/> are null
/// </exception>
public HMACSHA512Cng(byte[] key, CngProvider algorithmProvider)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (algorithmProvider == null)
{
throw new ArgumentNullException("algorithmProvider");
}
m_hmac = new BCryptHMAC(CngAlgorithm.Sha512, algorithmProvider, "SHA512", BlockSize, key);
HashName = m_hmac.HashName;
}
public HMACSHA384Cng(byte[] key, CngProvider algorithmProvider)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (algorithmProvider == null)
{
throw new ArgumentNullException("algorithmProvider");
}
HashName = "SHA384";
m_hmac = new BCryptHMAC(CngAlgorithm.Sha384, algorithmProvider, HashName, BlockSize, key);
}
