/// <summary>
/// Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman Algorithm
/// (ECDH) with a newly generated key over the specified curve.
/// </summary>
/// <param name="curve">The curve to use for key generation.</param>
/// <returns>A new instance of the default implementation of this class.</returns>
public static ECDiffieHellman Create(ECCurve curve)
{
ECDiffieHellman ecdh = Create();
if (ecdh != null)
{
try {
ecdh.GenerateKey(curve);
}
catch {
ecdh.Dispose();
throw;
}
}
return(ecdh);
}
/// <summary>
/// Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman Algorithm
/// (ECDH) using the specified ECParameters as the key.
/// </summary>
/// <param name="parameters">The parameters representing the key to use.</param>
/// <returns>A new instance of the default implementation of this class.</returns>
public static ECDiffieHellman Create(ECParameters parameters)
{
ECDiffieHellman ecdh = Create();
if (ecdh != null)
{
try {
ecdh.ImportParameters(parameters);
}
catch {
ecdh.Dispose();
throw;
}
}
return(ecdh);
}
/// <summary>Initializes a new instance of the <see cref="ECDiffieHellman"/> class.</summary>
/// <param name="platformAlgorithm">The .NET algorithm backing this instance.</param>
internal ECDiffieHellman(Platform.ECDiffieHellman platformAlgorithm)
{
Requires.NotNull(platformAlgorithm, nameof(platformAlgorithm));
this.platformAlgorithm = platformAlgorithm;
}
internal ECDiffieHellmanWrapper(ECDiffieHellman wrapped)
{
Debug.Assert(wrapped != null);
_wrapped = wrapped;
}
/// <summary>
/// Initializes a new instance of the <see cref="ECDiffieHellman"/> class.
/// </summary>
/// <param name="platformAlgorithm">The .NET algorithm backing this instance.</param>
internal ECDiffieHellman(Platform.ECDiffieHellman platformAlgorithm)
{
Requires.NotNull(platformAlgorithm, nameof(platformAlgorithm));
this.platformAlgorithm = platformAlgorithm;
}