X25519PublicKeyParameters
using Org.BouncyCastle.Utilities;
using Org.BouncyCastle.Utilities.IO;
using System;
using System.IO;
namespace Org.BouncyCastle.Crypto.Parameters
{
public sealed class X25519PublicKeyParameters : AsymmetricKeyParameter
{
public static readonly int KeySize = 32;
private readonly byte[] data = new byte[KeySize];
public X25519PublicKeyParameters(byte[] buf)
: this(Validate(buf), 0)
{
}
public X25519PublicKeyParameters(byte[] buf, int off)
: base(false)
{
Array.Copy(buf, off, data, 0, KeySize);
}
public X25519PublicKeyParameters(Stream input)
: base(false)
{
if (KeySize != Streams.ReadFully(input, data))
throw new EndOfStreamException("EOF encountered in middle of X25519 public key");
}
public void Encode(byte[] buf, int off)
{
Array.Copy(data, 0, buf, off, KeySize);
}
public byte[] GetEncoded()
{
return Arrays.Clone(data);
}
private static byte[] Validate(byte[] buf)
{
if (buf.Length != KeySize)
throw new ArgumentException("must have length " + KeySize.ToString(), "buf");
return buf;
}
}
}