95 lines
2.8 KiB
C#
95 lines
2.8 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
|
|
#pragma warning disable
|
|
using System;
|
|
using System.IO;
|
|
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Rfc8032;
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
|
|
|
|
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters
|
|
{
|
|
public sealed class Ed448PrivateKeyParameters
|
|
: AsymmetricKeyParameter
|
|
{
|
|
public static readonly int KeySize = Ed448.SecretKeySize;
|
|
public static readonly int SignatureSize = Ed448.SignatureSize;
|
|
|
|
private readonly byte[] data = new byte[KeySize];
|
|
|
|
public Ed448PrivateKeyParameters(SecureRandom random)
|
|
: base(true)
|
|
{
|
|
Ed448.GeneratePrivateKey(random, data);
|
|
}
|
|
|
|
public Ed448PrivateKeyParameters(byte[] buf, int off)
|
|
: base(true)
|
|
{
|
|
Array.Copy(buf, off, data, 0, KeySize);
|
|
}
|
|
|
|
public Ed448PrivateKeyParameters(Stream input)
|
|
: base(true)
|
|
{
|
|
if (KeySize != Streams.ReadFully(input, data))
|
|
throw new EndOfStreamException("EOF encountered in middle of Ed448 private key");
|
|
}
|
|
|
|
public void Encode(byte[] buf, int off)
|
|
{
|
|
Array.Copy(data, 0, buf, off, KeySize);
|
|
}
|
|
|
|
public byte[] GetEncoded()
|
|
{
|
|
return Arrays.Clone(data);
|
|
}
|
|
|
|
public Ed448PublicKeyParameters GeneratePublicKey()
|
|
{
|
|
byte[] publicKey = new byte[Ed448.PublicKeySize];
|
|
Ed448.GeneratePublicKey(data, 0, publicKey, 0);
|
|
return new Ed448PublicKeyParameters(publicKey, 0);
|
|
}
|
|
|
|
public void Sign(Ed448.Algorithm algorithm, Ed448PublicKeyParameters publicKey, byte[] ctx, byte[] msg, int msgOff, int msgLen,
|
|
byte[] sig, int sigOff)
|
|
{
|
|
byte[] pk = new byte[Ed448.PublicKeySize];
|
|
if (null == publicKey)
|
|
{
|
|
Ed448.GeneratePublicKey(data, 0, pk, 0);
|
|
}
|
|
else
|
|
{
|
|
publicKey.Encode(pk, 0);
|
|
}
|
|
|
|
switch (algorithm)
|
|
{
|
|
case Ed448.Algorithm.Ed448:
|
|
{
|
|
Ed448.Sign(data, 0, pk, 0, ctx, msg, msgOff, msgLen, sig, sigOff);
|
|
break;
|
|
}
|
|
case Ed448.Algorithm.Ed448ph:
|
|
{
|
|
if (Ed448.PrehashSize != msgLen)
|
|
throw new ArgumentException("msgLen");
|
|
|
|
Ed448.SignPrehash(data, 0, pk, 0, ctx, msg, msgOff, sig, sigOff);
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
throw new ArgumentException("algorithm");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#pragma warning restore
|
|
#endif
|