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using System;
using System.IO;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Tls
{
/// <summary>RFC 7301 Represents a protocol name for use with ALPN.</summary>
public sealed class ProtocolName
{
public static ProtocolName AsRawBytes(byte[] bytes)
{
return new ProtocolName(Arrays.Clone(bytes));
}
public static ProtocolName AsUtf8Encoding(string name)
{
return new ProtocolName(Strings.ToUtf8ByteArray(name));
}
public static readonly ProtocolName Http_1_1 = AsUtf8Encoding("http/1.1");
public static readonly ProtocolName Spdy_1 = AsUtf8Encoding("spdy/1");
public static readonly ProtocolName Spdy_2 = AsUtf8Encoding("spdy/2");
public static readonly ProtocolName Spdy_3 = AsUtf8Encoding("spdy/3");
public static readonly ProtocolName Stun_Turn = AsUtf8Encoding("stun.turn");
public static readonly ProtocolName Stun_Nat_Discovery = AsUtf8Encoding("stun.nat-discovery");
public static readonly ProtocolName Http_2_Tls = AsUtf8Encoding("h2");
public static readonly ProtocolName Http_2_Tcp = AsUtf8Encoding("h2c");
public static readonly ProtocolName WebRtc = AsUtf8Encoding("webrtc");
public static readonly ProtocolName WebRtc_Confidential = AsUtf8Encoding("c-webrtc");
public static readonly ProtocolName Ftp = AsUtf8Encoding("ftp");
public static readonly ProtocolName Imap = AsUtf8Encoding("imap");
public static readonly ProtocolName Pop3 = AsUtf8Encoding("pop3");
public static readonly ProtocolName ManageSieve = AsUtf8Encoding("managesieve");
public static readonly ProtocolName Coap = AsUtf8Encoding("coap");
public static readonly ProtocolName Xmpp_Client = AsUtf8Encoding("xmpp-client");
public static readonly ProtocolName Xmpp_Server = AsUtf8Encoding("xmpp-server");
public static readonly ProtocolName Acme_Tls_1 = AsUtf8Encoding("acme-tls/1");
public static readonly ProtocolName Oasis_Mqtt = AsUtf8Encoding("mqtt");
public static readonly ProtocolName Dns_Over_Tls = AsUtf8Encoding("dot");
public static readonly ProtocolName Ntske_1 = AsUtf8Encoding("ntske/1");
public static readonly ProtocolName Sun_Rpc = AsUtf8Encoding("sunrpc");
public static readonly ProtocolName Http_3 = AsUtf8Encoding("h3");
public static readonly ProtocolName Smb_2 = AsUtf8Encoding("smb");
public static readonly ProtocolName Irc = AsUtf8Encoding("irc");
public static readonly ProtocolName Nntp_Reading = AsUtf8Encoding("nntp");
public static readonly ProtocolName Nntp_Transit = AsUtf8Encoding("nnsp");
public static readonly ProtocolName Dns_Over_Quic = AsUtf8Encoding("doq");
private readonly byte[] m_bytes;
private ProtocolName(byte[] bytes)
{
if (bytes == null)
throw new ArgumentNullException("bytes");
if (bytes.Length < 1 || bytes.Length > 255)
throw new ArgumentException("must have length from 1 to 255", "bytes");
this.m_bytes = bytes;
}
public byte[] GetBytes()
{
return Arrays.Clone(m_bytes);
}
public string GetUtf8Decoding()
{
return Strings.FromUtf8ByteArray(m_bytes);
}
/// <summary>Encode this <see cref="ProtocolName"/> to a <see cref="Stream"/>.</summary>
/// <param name="output">the <see cref="Stream"/> to encode to.</param>
/// <exception cref="IOException"/>
public void Encode(Stream output)
{
TlsUtilities.WriteOpaque8(m_bytes, output);
}
/// <summary>Parse a <see cref="ProtocolName"/> from a <see cref="Stream"/>.</summary>
/// <param name="input">the <see cref="Stream"/> to parse from.</param>
/// <returns>a <see cref="ProtocolName"/> object.</returns>
/// <exception cref="IOException"/>
public static ProtocolName Parse(Stream input)
{
return new ProtocolName(TlsUtilities.ReadOpaque8(input, 1));
}
public override bool Equals(object obj)
{
return obj is ProtocolName && Arrays.AreEqual(m_bytes, ((ProtocolName)obj).m_bytes);
}
public override int GetHashCode()
{
return Arrays.GetHashCode(m_bytes);
}
}
}
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