/// <summary>
/// Calculates a Curve25519 signature.
/// </summary>
/// <param name="privateKey">The private Curve25519 key to create the signature with.</param>
/// <param name="message">The message to sign.</param>
/// <returns>A 64-byte signature.</returns>
public byte[] calculateSignature(byte[] privateKey, byte[] message)
{
if (privateKey == null || privateKey.Length != 32)
{
throw new ArgumentException("Invalid private key length!");
}
byte[] random = provider.getRandom(64);
return(calculateSignature(random, privateKey, message));
}
/**
* Calculates a Curve25519 signature.
*
* @param privateKey The private Curve25519 key to create the signature with.
* @param message The message to sign.
* @return A 64-byte signature.
*/
public byte[] calculateSignature(byte[] privateKey, byte[] message)
{
byte[] random = provider.getRandom(64);
return(calculateSignature(random, privateKey, message));
}
