94 lines
2.1 KiB
C#
94 lines
2.1 KiB
C#
using System;
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using System.IO;
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namespace Org.BouncyCastle.Bcpg
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{
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/// <remarks>Generic signature object</remarks>
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public class OnePassSignaturePacket
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: ContainedPacket
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{
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private int version;
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private int sigType;
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private HashAlgorithmTag hashAlgorithm;
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private PublicKeyAlgorithmTag keyAlgorithm;
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private long keyId;
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private int nested;
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internal OnePassSignaturePacket(
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BcpgInputStream bcpgIn)
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{
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version = bcpgIn.ReadByte();
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sigType = bcpgIn.ReadByte();
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hashAlgorithm = (HashAlgorithmTag) bcpgIn.ReadByte();
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keyAlgorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte();
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keyId |= (long)bcpgIn.ReadByte() << 56;
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keyId |= (long)bcpgIn.ReadByte() << 48;
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keyId |= (long)bcpgIn.ReadByte() << 40;
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keyId |= (long)bcpgIn.ReadByte() << 32;
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keyId |= (long)bcpgIn.ReadByte() << 24;
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keyId |= (long)bcpgIn.ReadByte() << 16;
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keyId |= (long)bcpgIn.ReadByte() << 8;
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keyId |= (uint)bcpgIn.ReadByte();
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nested = bcpgIn.ReadByte();
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}
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public OnePassSignaturePacket(
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int sigType,
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HashAlgorithmTag hashAlgorithm,
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PublicKeyAlgorithmTag keyAlgorithm,
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long keyId,
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bool isNested)
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{
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this.version = 3;
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this.sigType = sigType;
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this.hashAlgorithm = hashAlgorithm;
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this.keyAlgorithm = keyAlgorithm;
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this.keyId = keyId;
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this.nested = (isNested) ? 0 : 1;
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}
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public int SignatureType
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{
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get { return sigType; }
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}
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/// <summary>The encryption algorithm tag.</summary>
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public PublicKeyAlgorithmTag KeyAlgorithm
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{
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get { return keyAlgorithm; }
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}
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/// <summary>The hash algorithm tag.</summary>
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public HashAlgorithmTag HashAlgorithm
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{
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get { return hashAlgorithm; }
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}
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public long KeyId
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{
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get { return keyId; }
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}
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public override void Encode(
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BcpgOutputStream bcpgOut)
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{
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MemoryStream bOut = new MemoryStream();
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BcpgOutputStream pOut = new BcpgOutputStream(bOut);
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pOut.Write(
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(byte) version,
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(byte) sigType,
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(byte) hashAlgorithm,
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(byte) keyAlgorithm);
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pOut.WriteLong(keyId);
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pOut.WriteByte((byte) nested);
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bcpgOut.WritePacket(PacketTag.OnePassSignature, bOut.ToArray(), true);
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}
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}
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}
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