init commit

2025-10-09 09:57:24 +09:00
commit 4d551bd74f
6636 changed files with 1218703 additions and 0 deletions
--- a/output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Bcpg/PublicKeyEncSessionPacket.cs
+++ b/output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Bcpg/PublicKeyEncSessionPacket.cs
@@ -0,0 +1,92 @@
+using System.IO;
+using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Utilities.IO;
+
+namespace Org.BouncyCastle.Bcpg;
+
+public class PublicKeyEncSessionPacket : ContainedPacket
+{
+	private int version;
+
+	private long keyId;
+
+	private PublicKeyAlgorithmTag algorithm;
+
+	private byte[][] data;
+
+	public int Version => version;
+
+	public long KeyId => keyId;
+
+	public PublicKeyAlgorithmTag Algorithm => algorithm;
+
+	internal PublicKeyEncSessionPacket(BcpgInputStream bcpgIn)
+	{
+		version = bcpgIn.ReadByte();
+		keyId |= (long)bcpgIn.ReadByte() << 56;
+		keyId |= (long)bcpgIn.ReadByte() << 48;
+		keyId |= (long)bcpgIn.ReadByte() << 40;
+		keyId |= (long)bcpgIn.ReadByte() << 32;
+		keyId |= (long)bcpgIn.ReadByte() << 24;
+		keyId |= (long)bcpgIn.ReadByte() << 16;
+		keyId |= (long)bcpgIn.ReadByte() << 8;
+		keyId |= (uint)bcpgIn.ReadByte();
+		algorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
+		switch (algorithm)
+		{
+		case PublicKeyAlgorithmTag.RsaGeneral:
+		case PublicKeyAlgorithmTag.RsaEncrypt:
+			data = new byte[1][] { new MPInteger(bcpgIn).GetEncoded() };
+			break;
+		case PublicKeyAlgorithmTag.ElGamalEncrypt:
+		case PublicKeyAlgorithmTag.ElGamalGeneral:
+		{
+			MPInteger mPInteger = new MPInteger(bcpgIn);
+			MPInteger mPInteger2 = new MPInteger(bcpgIn);
+			data = new byte[2][]
+			{
+				mPInteger.GetEncoded(),
+				mPInteger2.GetEncoded()
+			};
+			break;
+		}
+		case PublicKeyAlgorithmTag.EC:
+			data = new byte[1][] { Streams.ReadAll(bcpgIn) };
+			break;
+		default:
+			throw new IOException("unknown PGP public key algorithm encountered");
+		}
+	}
+
+	public PublicKeyEncSessionPacket(long keyId, PublicKeyAlgorithmTag algorithm, byte[][] data)
+	{
+		version = 3;
+		this.keyId = keyId;
+		this.algorithm = algorithm;
+		this.data = new byte[data.Length][];
+		for (int i = 0; i < data.Length; i++)
+		{
+			this.data[i] = Arrays.Clone(data[i]);
+		}
+	}
+
+	public byte[][] GetEncSessionKey()
+	{
+		return data;
+	}
+
+	public override void Encode(BcpgOutputStream bcpgOut)
+	{
+		MemoryStream memoryStream = new MemoryStream();
+		BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream);
+		bcpgOutputStream.WriteByte((byte)version);
+		bcpgOutputStream.WriteLong(keyId);
+		bcpgOutputStream.WriteByte((byte)algorithm);
+		for (int i = 0; i < data.Length; i++)
+		{
+			bcpgOutputStream.Write(data[i]);
+		}
+		Platform.Dispose(bcpgOutputStream);
+		bcpgOut.WritePacket(PacketTag.PublicKeyEncryptedSession, memoryStream.ToArray(), oldFormat: true);
+	}
+}