/// <summary>
/// Hashes the specified data bytes.
/// </summary>
/// <param name="hashData">The hash data.</param>
/// <returns>
/// Hashed bytes
/// </returns>
protected virtual byte[] Hash(byte[] hashData)
{
using (var sha1 = CryptoAbstraction.CreateSha1())
{
return(sha1.ComputeHash(hashData, 0, hashData.Length));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DsaDigitalSignature" /> class.
/// </summary>
/// <param name="key">The DSA key.</param>
/// <exception cref="System.ArgumentNullException">key</exception>
public DsaDigitalSignature(DsaKey key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
_key = key;
_hash = CryptoAbstraction.CreateSha1();
}
/// <summary>
/// Initializes a new instance of the <see cref="RsaDigitalSignature"/> class.
/// </summary>
/// <param name="rsaKey">The RSA key.</param>
public RsaDigitalSignature(RsaKey rsaKey)
: base(new ObjectIdentifier(1, 3, 14, 3, 2, 26), new RsaCipher(rsaKey))
{
_hash = CryptoAbstraction.CreateSha1();
}