55 lines
1.3 KiB
C#
55 lines
1.3 KiB
C#
using System.IO;
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namespace Org.BouncyCastle.Bcpg;
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public class SymmetricKeyEncSessionPacket : ContainedPacket
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{
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private int version;
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private SymmetricKeyAlgorithmTag encAlgorithm;
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private S2k s2k;
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private readonly byte[] secKeyData;
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public SymmetricKeyAlgorithmTag EncAlgorithm => encAlgorithm;
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public S2k S2k => s2k;
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public int Version => version;
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public SymmetricKeyEncSessionPacket(BcpgInputStream bcpgIn)
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{
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version = bcpgIn.ReadByte();
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encAlgorithm = (SymmetricKeyAlgorithmTag)bcpgIn.ReadByte();
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s2k = new S2k(bcpgIn);
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secKeyData = bcpgIn.ReadAll();
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}
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public SymmetricKeyEncSessionPacket(SymmetricKeyAlgorithmTag encAlgorithm, S2k s2k, byte[] secKeyData)
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{
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version = 4;
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this.encAlgorithm = encAlgorithm;
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this.s2k = s2k;
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this.secKeyData = secKeyData;
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}
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public byte[] GetSecKeyData()
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{
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return secKeyData;
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}
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public override void Encode(BcpgOutputStream bcpgOut)
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{
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MemoryStream memoryStream = new MemoryStream();
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BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream);
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bcpgOutputStream.Write((byte)version, (byte)encAlgorithm);
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bcpgOutputStream.WriteObject(s2k);
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if (secKeyData != null && secKeyData.Length > 0)
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{
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bcpgOutputStream.Write(secKeyData);
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}
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bcpgOut.WritePacket(PacketTag.SymmetricKeyEncryptedSessionKey, memoryStream.ToArray(), oldFormat: true);
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}
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}
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