/// <summary>
/// Calculates an ECDH agreement.
/// </summary>
/// <param name="publicKey">The Curve25519 (typically remote party's) public key.</param>
/// <param name="privateKey">The Curve25519 (typically yours) private key.</param>
/// <returns>A 32-byte shared secret.</returns>
public byte[] calculateAgreement(byte[] publicKey, byte[] privateKey)
{
if (publicKey == null || privateKey == null)
{
throw new ArgumentException("Keys must not be null!");
}
if (publicKey.Length != 32 || privateKey.Length != 32)
{
throw new ArgumentException("Keys must be 32 bytes!");
}
return(provider.calculateAgreement(privateKey, publicKey));
}
/**
* Calculates an ECDH agreement.
*
* @param publicKey The Curve25519 (typically remote party's) public key.
* @param privateKey The Curve25519 (typically yours) private key.
* @return A 32-byte shared secret.
*/
public byte[] calculateAgreement(byte[] privateKey, byte[] publicKey)
{
return(provider.calculateAgreement(privateKey, publicKey));
}
