public override void Parse(TreeBuilder tree)
{
S2K = new S2K();
Version = tree.ReadByte("Version");
S2K.SymAlgo = tree.ReadByte("Symmetric Algorithm", SymmetricAlgorithmTypes.Get);
byte S2KSpecifier = tree.ReadByte("S2K Specifier", S2KTypes.Get);
if (S2KSpecifier != S2KTypes.Salted && S2KSpecifier != S2KTypes.Simple && S2KSpecifier != S2KTypes.IteratedAndSalted)
{
throw new InvalidDataException("Invalid S2K Specifier");
}
S2K.HashAlgorithm = tree.ReadByte("Hash Algorithm", HashAlgorithmTypes.Get);
if (S2KSpecifier == S2KTypes.Salted || S2KSpecifier == S2KTypes.IteratedAndSalted)
{
S2K.Salt = tree.ReadBytes("Salt", 8);
if (S2KSpecifier == S2KTypes.IteratedAndSalted)
{
byte CodedCount = tree.ReadByte("Coded Iteration");
S2K.ByteCount = (16 + (CodedCount & 15)) << ((CodedCount >> 4) + 6);
}
}
if (tree.IsMoreData())
{
EncryptedSessionKey = tree.ReadBytes("Encrypted Session Key");
}
else
{
EncryptedSessionKey = null;
}
}
public override void Parse(TreeBuilder tree)
{
tree.SetBookMark();
Version = tree.ReadByte("Version");
tree.ReadFormatted("Creation Time", BlockFormat.UnixTime);
if (Version == 2 || Version == 3 || Version == 4)
{
if (Version != 4)
{
tree.ReadNumber("Days Valid", 2);
}
}
else
{
throw new NotImplementedException("Unknown Public Key Packet Version Code: " + Version.ToString());
}
byte AlgoCode = tree.ReadByte("Public Key Algorithm", PKAlgorithmTypes.Get);
PublicKeyAlgorithm = PKAlgorithm.CreatePKAlgorithm(AlgoCode);
if (PublicKeyAlgorithm == null)
{
tree.ReadBytes("Unknown Public Key Algorithm");
return;
}
PublicKeyAlgorithm.LoadPublicKey(tree);
PacketDataPublicKey = tree.ReadBytesFromBookMark();
if (Version < 4)
{
// Only RSA is supported
var ModN = ((RSA)PublicKeyAlgorithm).ModN;
//KeyId = BitConverter.ToString(ModN, ModN.Length - 8);
KeyId = ModN.SubArray(ModN.Length - 8, 8);
}
else
{
int l = PacketDataPublicKey.Length;
SHA1 shaM = new SHA1Managed();
byte[] HashContext = new byte[l + 3];
HashContext[0] = 0x99;
HashContext[1] = (byte)((l & 0xFF00) >> 8);
HashContext[2] = (byte)(l & 0x00FF);
Array.Copy(PacketDataPublicKey, 0, HashContext, 3, l);
byte[] result = shaM.ComputeHash(HashContext);
//KeyId = BitConverter.ToString(result, result.Length - 8);
KeyId = result.SubArray(result.Length - 8, 8);
}
tree.AddCalculated("Key Id", BitConverter.ToString(KeyId), KeyId);
}
private void ReadByteTags(TreeBuilder tree, string Label, int DataLength, Func <byte, string> DescFunc)
{
tree.AddNode(Label);
tree.PushByteBlock();
//tree.AddChildLevel = true;
while (DataLength-- > 0)
{
tree.SetBookMark();
byte ByteCode = tree.ReadByte();
tree.GoToBookMark();
//tree.Seek(-1);
tree.ReadByte(DescFunc(ByteCode));
}
tree.PopByteBlock();
}
public override void Parse(TreeBuilder tree)
{
tree.ReadByte("Data Format", true);
byte FileNameLength = tree.ReadByte();
byte[] FileNameBytes = tree.ReadBytes("File Name", FileNameLength, true);
ExtractFileName = System.Text.Encoding.UTF8.GetString(FileNameBytes);
tree.ReadFormatted("Date/Time", BlockFormat.UnixTime);
tree.RemainingBytes("Literal Data");
ThisBlock = tree.CurrentBlock;
ThisBlock.ProcessBlock += ExtractData;
}
public override void Parse(TreeBuilder tree)
{
tree.ReadByte("Compression Algorithm", CompressionAlgorithmTypes.Get);
tree.SkipBytes("Compressed Data");
ThisBlock = tree.CurrentBlock;
ThisBlock.ProcessBlock += ExtractData;
}
//public HashAlgorithm HashAlgo { private set; get; }
public override void Parse(TreeBuilder tree)
{
Version = tree.ReadByte("Version");
SignatureType = tree.ReadByte("Signature Type", SignatureTypes.Get);
HashAlgorithm = tree.ReadByte("Hash Algorithm", HashAlgorithmTypes.Get);
//try
//{
// HashAlgo = null;
// HashAlgo = HashAlgorithmTypes.GetHashAlgoManaged(HashAlgorithm);
//}
//catch { }
PKAlgorithm = tree.ReadByte("Primary Key Algorithm", PKAlgorithmTypes.Get);
tree.ReadBytes("Key ID", 8);
Flag = tree.ReadByte("Flag");
}
public override void Parse(TreeBuilder tree)
{
Version = tree.ReadByte("Version");
KeyId = tree.ReadBytes("Key Id", 8);
PKAlgoCode = tree.ReadByte("PK Algorithm", PKAlgorithmTypes.Get);
var PublicKeyAlgorithm = PKAlgorithm.CreatePKAlgorithm(PKAlgoCode);
PublicKeyTransformedData = null;
if (PublicKeyAlgorithm == null)
{
tree.ReadBytes("Unknowon Encrypted Session Key");
}
else
{
PublicKeyTransformedData = PublicKeyAlgorithm.LoadPublicKeyTransformedData(tree);
}
}
public override void Parse(TreeBuilder tree)
{
Version = tree.ReadByte("Version");
var block = tree.SkipBytes("Encrypted Data");
block.ProcessBlock += ExtractData;
ThisBlock = block;
}
public override void Parse(TreeBuilder tree)
{
base.Parse(tree);
bool IsEncrypted = true;
tree.SetBookMark();
var S2K = new S2K
{
S2KUsage = tree.ReadByte()
};
if (S2K.S2KUsage == 254 || S2K.S2KUsage == 255)
{
S2K.SymAlgo = tree.ReadByte("Symmetric Algorithm", SymmetricAlgorithmTypes.Get);
byte S2KSpecifier = tree.ReadByte("S2K Specifier", S2KTypes.Get);
if (S2KSpecifier != S2KTypes.Salted && S2KSpecifier != S2KTypes.Simple && S2KSpecifier != S2KTypes.IteratedAndSalted)
{
//tree.AddCalculated("Invalid S2K", S2KSpecifier.ToString());
tree.AddCalculated("Unable to Process", S2KSpecifier.ToString(), ByteBlockType.CalculatedError);
return;
}
S2K.HashAlgorithm = tree.ReadByte("Hash Algorithm", HashAlgorithmTypes.Get);
if (S2KSpecifier == S2KTypes.Salted || S2KSpecifier == S2KTypes.IteratedAndSalted)
{
S2K.Salt = tree.ReadBytes("Salt", 8);
if (S2KSpecifier == S2KTypes.IteratedAndSalted)
{
byte CodedCount = tree.ReadByte("Coded Iteration");
S2K.ByteCount = (16 + (CodedCount & 15)) << ((CodedCount >> 4) + 6);
}
}
int BlockSizeBytes = SymmetricAlgorithmTypes.GetBlockSize(S2K.SymAlgo) / 8;
S2K.IV = tree.ReadBytes("IV", BlockSizeBytes);
}
else
{
byte SymAlgo = S2K.S2KUsage;
S2K.SymAlgo = SymAlgo;
if (SymAlgo != 0)
{
tree.GoToBookMark();
tree.ReadByte("Symmetric Algorithm", SymmetricAlgorithmTypes.Get);
int BlockSize = SymmetricAlgorithmTypes.GetBlockSize(SymAlgo) / 8;
S2K.IV = tree.ReadBytes("IV", BlockSize);
}
else
{
IsEncrypted = false;
}
}
PublicKeyAlgorithm.S2K = S2K;
if (IsEncrypted)
{
byte[] Encrypted = tree.ReadBytes("Encrypted Secret Key");
PublicKeyAlgorithm.EncryptedPrivateKey = Encrypted;
tree.CurrentBlock.ProcessBlock += ExtractPrivateKey;
SecretKeyNode = tree.CurrentBlock;
}
else
{
byte[] ClearBytes = tree.ReadBytes("Unencrypted Secret Key");
var SecBlockClear = PublicKeyAlgorithm.SetPrivate(ClearBytes);
tree.AddChild(PublicKeyAlgorithm.GetPrivateByteBlocks());
}
}
public override void Parse(TreeBuilder tree)
{
Version = tree.ReadByte("Version");
SignatureType = tree.ReadByte("Signature Type", SignatureTypes.Get);
PKAlgo = tree.ReadByte("Public Key Algorithm", PKAlgorithmTypes.Get);
if (Version == 4)
{
uint SubPacketLength;
HashAlgorithm = tree.ReadByte("Hash Algorithm", HashAlgorithmTypes.Get);
SubPacketLength = tree.ReadNumber(2);
tree.SetBookMark();
HashedSubPacketBytes = tree.ReadBytes("Hashed Sub Packet", (int)SubPacketLength);
//tree.Seek(-SubPacketLength);
tree.GoToBookMark();
var HashedSubPackets = new SignatureSubPackets();
HashedSubPackets.Parse(tree, (int)SubPacketLength);
SubPacketLength = tree.ReadNumber(2);
tree.SetBookMark();
UnHashedSubPacketBytes = tree.ReadBytes("Unhashed Sub Packet", (int)SubPacketLength);
//tree.Seek(-SubPacketLength);
tree.GoToBookMark();
var UnHashedSubPackets = new SignatureSubPackets();
UnHashedSubPackets.Parse(tree, (int)SubPacketLength);
Issuer = UnHashedSubPackets.Issuer;
tree.ReadBytes("Left 16 Bit Hash", 2);
var PublicKeyAlgorithm = PKAlgorithm.CreatePKAlgorithm(PKAlgo);
SecretKeyTransformedData = null;
if (PublicKeyAlgorithm == null)
{
tree.ReadBytes("Unknowon Signature");
}
else
{
SecretKeyTransformedData = PublicKeyAlgorithm.LoadSecretKeyTransformedData(tree);
}
//if (PublicKeySignature != null)
//{
// tree.AddNode("Signature");
// tree.AddChild(PublicKeySignature.LoadSignatureValue(tree.ReadMPIBytes));
//}
//else
// tree.ReadBytes("Signature");
}
else
{
throw new NotImplementedException("Not Implemented");
}
}
public void Parse(TreeBuilder tree, int SubPacketsLength)
{
long SubPacketsEnd = tree.BaseReader.Position + SubPacketsLength;
tree.PushByteBlock();
//if (tree.Position < SubPacketsEnd)
// tree.AddChildLevel = true;
while (tree.BaseReader.Position < SubPacketsEnd)
{
byte LengthFinder = tree.ReadByte();
uint SubPacketLength = 0;
if (LengthFinder < 192)
{
SubPacketLength = LengthFinder;
}
else if (LengthFinder < 255)
{
byte b = tree.ReadByte();
SubPacketLength = (uint)((LengthFinder - 192) << 8) + b + 192;
}
else
{
byte[] b = new byte[4];
b[0] = tree.ReadByte();
b[1] = tree.ReadByte();
b[2] = tree.ReadByte();
b[3] = tree.ReadByte();
SubPacketLength = Program.GetBigEndian(b, 0, 4);
}
byte SubPacketType = tree.ReadByte();
string Label = SignatureSubPacketTypes.Get(SubPacketType);
int DataLength = (int)SubPacketLength - 1;
if (SubPacketType == SignatureSubPacketTypes.SignatureCreationTime)
{
tree.ReadFormatted(Label, BlockFormat.UnixTime);
}
else if (SubPacketType == SignatureSubPacketTypes.Issuer)
{
Issuer = tree.ReadBytes(Label, 8);
}
else if (SubPacketType == SignatureSubPacketTypes.KeyExpirationTime)
{
tree.ReadFormatted(Label, BlockFormat.Days);
}
else if (SubPacketType == SignatureSubPacketTypes.PreferredSymmetricAlgorithm)
{
ReadByteTags(tree, Label, DataLength, SymmetricAlgorithmTypes.Get);
}
else if (SubPacketType == SignatureSubPacketTypes.PreferredHashAlgorithm)
{
ReadByteTags(tree, Label, DataLength, HashAlgorithmTypes.Get);
}
else if (SubPacketType == SignatureSubPacketTypes.PreferredCompressionAlgorithm)
{
ReadByteTags(tree, Label, DataLength, CompressionAlgorithmTypes.Get);
}
else if (SubPacketType == SignatureSubPacketTypes.KeyFlags)
{
ReadByteTags(tree, Label, DataLength, KeyFlagsTypes.Get);
}
else if (SubPacketType == SignatureSubPacketTypes.PrimaryUserId)
{
tree.ReadBytes(Label, DataLength);
}
else if (SubPacketType == SignatureSubPacketTypes.ReasonForRevocation)
{
tree.AddNode(Label);
tree.PushByteBlock();
tree.ReadByte("Reason", RevocationReasonTypes.Get);
tree.ReadBytes("Message", DataLength - 1);
tree.PopByteBlock();
}
else
{
tree.ReadBytes(Label, DataLength);
}
}
tree.PopByteBlock();
}