/// <summary>
/// Parses the signature subpacket given as byte array into
/// the current class and returns this with the populated
/// parameters.
/// </summary>
/// <param name="bData">A byte array containing an OpenPGP
/// representation of the signature subpacket.</param>
/// <returns>Returns an SignatureSubPacket that containes
/// the parsed properties.</returns>
/// <remarks>No remarks</remarks>
public SignatureSubPacket ParsePacket(byte[] bData)
{
lLength = bData[0];
if (lLength < 192) {
bHeader = new byte[2];
bBody = new byte[lLength-1];
Array.Copy(bData, 0, bHeader, 0, 2);
Array.Copy(bData, 2, bBody, 0, (int)lLength-1);
sptType = (SignatureSubPacketTypes)bData[1];
} else if ((lLength > 191) && (lLength < 255)) {
lLength = ((bData[0] - 192) << 8) + bData[1] + 192;
bHeader = new byte[3];
bBody = new byte[lLength-1];
Array.Copy(bData, 0, bHeader, 0, 3);
Array.Copy(bData, 3, bBody, 0, (int)lLength-1);
sptType = (SignatureSubPacketTypes)bData[2];
} else { //lLength == 255
lLength = (bData[1] << 24) ^ (bData[2] << 16) ^
(bData[3] << 8) ^ bData[4];
bHeader = new byte[6];
bBody = new byte[lLength-1];
Array.Copy(bData, 0, bHeader, 0, 6);
Array.Copy(bData, 6, bBody, 0, (int)lLength-1);
sptType = (SignatureSubPacketTypes)bData[5];
}
// TODO: Add Error Handling!!!
long iTime = 0;
switch (sptType) {
case SignatureSubPacketTypes.SignatureCreationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtTimeCreated = new DateTime(iTime*10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.IssuerKeyID:
lKeyID = (ulong)bBody[0] << 56;
lKeyID ^= (ulong)bBody[1] << 48;
lKeyID ^= (ulong)bBody[2] << 40;
lKeyID ^= (ulong)bBody[3] << 32;
lKeyID ^= (ulong)bBody[4] << 24;
lKeyID ^= (ulong)bBody[5] << 16;
lKeyID ^= (ulong)bBody[6] << 8;
lKeyID ^= (ulong)bBody[7];
break;
case SignatureSubPacketTypes.KeyServerPreferences:
kptKeyserverPreferences = new KeyserverPreferencesTypes[bBody.Length];
for (int i=0; i<bBody.Length; i++)
this.kptKeyserverPreferences[i] = (KeyserverPreferencesTypes)bBody[i];
break;
case SignatureSubPacketTypes.PreferedKeyServer:
char[] cKeyserver = new char[bBody.Length];
Array.Copy(bBody, cKeyserver, bBody.Length);
strPreferedKeyServer = cKeyserver.ToString();
break;
case SignatureSubPacketTypes.TrustSignature:
bTrustLevel = bBody[0];
bTrustAmount = bBody[1];
break;
case SignatureSubPacketTypes.KeyFlags:
kftKeyFlags = new KeyFlagTypes[bBody.Length];
for (int i=0; i<bBody.Length; i++)
kftKeyFlags[i] = (KeyFlagTypes)bBody[i];
break;
case SignatureSubPacketTypes.KeyExpirationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtKeyExpirationTime = new DateTime(iTime*10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.SignatureExpirationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtSignatureExpirationTime = new DateTime(iTime*10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.PreferedSymmetricAlgorithms:
saPreferedSymAlgos = new SymAlgorithms[bBody.Length];
for (int i=0; i<bBody.Length; i++)
saPreferedSymAlgos[i] = (SymAlgorithms)bBody[i];
break;
case SignatureSubPacketTypes.PreferedHashAlgorithms:
haPreferedHashAlgorithms = new HashAlgorithms[bBody.Length];
for (int i=0; i<bBody.Length; i++)
haPreferedHashAlgorithms[i] = (HashAlgorithms)bBody[i];
break;
case SignatureSubPacketTypes.PreferedCompressionAlgorithms:
caPreferedCompressionAlgorithms = new CompressionAlgorithms[bBody.Length];
for (int i=0; i<bBody.Length; i++)
caPreferedCompressionAlgorithms[i] = (CompressionAlgorithms)bBody[i];
break;
case SignatureSubPacketTypes.ExportableSignature:
bExportableSignature = (bBody[0] == 1);
break;
case SignatureSubPacketTypes.Revocable:
bRevocable = (bBody[0] == 1);
break;
case SignatureSubPacketTypes.PrimaryUserID:
bPrimaryUserID = (bBody[0] == 1);
break;
case SignatureSubPacketTypes.RevocationKey:
this.Sensible = (bBody[1] >> 3) & 0x01;
this.FingerprintHash = (HashAlgorithms)bBody[1];
byte[] fingerprint = new byte[bBody.Length-2];
for(int i = 2; i < bBody.Length; i++)
fingerprint[i-2] = bBody[i];
this.RevocationKeyID = new BigInteger(fingerprint);
break;
case SignatureSubPacketTypes.ReasonForRevocation:
byte[] reason = new byte[bBody.Length-1];
for(int i = 1; i < bBody.Length; i++)
reason[i-1] = bBody[i];
this.ReasonForRevocationCode = bBody[0];
char [] reasArray = new char[reason.Length];
Array.Copy(reason,reasArray,reason.Length);
this.ReasonForRevocation = new string(reasArray);
break;
case SignatureSubPacketTypes.NotationData:
int nameLength = bBody[4] << 8;
nameLength ^= bBody[5];
int valueLength = bBody[6] << 8;
valueLength ^= bBody[7];
byte[] name = new byte[nameLength];
byte[] val = new byte[valueLength];
for(int i = 8; i < nameLength + 8; i++)
name[i-8] = bBody[i];
for(int i = nameLength + 8; i < valueLength + nameLength + 8; i++)
val[i-nameLength-8] = bBody[i];
char [] notnamArray = new char[nameLength];
Array.Copy(name,notnamArray,name.Length);
this.NotationName = new string(notnamArray);
char [] notvalArray = new char[valueLength];
Array.Copy(val,notvalArray,val.Length);
this.NotationValue = new string(notvalArray);
break;
}
return this;
}
/// <summary>
/// Parses the signature subpacket given as byte array into
/// the current class and returns this with the populated
/// parameters.
/// </summary>
/// <param name="bData">A byte array containing an OpenPGP
/// representation of the signature subpacket.</param>
/// <returns>Returns an SignatureSubPacket that containes
/// the parsed properties.</returns>
/// <remarks>No remarks</remarks>
public SignatureSubPacket ParsePacket(byte[] bData)
{
lLength = bData[0];
if (lLength < 192)
{
bHeader = new byte[2];
bBody = new byte[lLength - 1];
Array.Copy(bData, 0, bHeader, 0, 2);
Array.Copy(bData, 2, bBody, 0, (int)lLength - 1);
sptType = (SignatureSubPacketTypes)bData[1];
}
else if ((lLength > 191) && (lLength < 255))
{
lLength = ((bData[0] - 192) << 8) + bData[1] + 192;
bHeader = new byte[3];
bBody = new byte[lLength - 1];
Array.Copy(bData, 0, bHeader, 0, 3);
Array.Copy(bData, 3, bBody, 0, (int)lLength - 1);
sptType = (SignatureSubPacketTypes)bData[2];
}
else //lLength == 255
{
lLength = (bData[1] << 24) ^ (bData[2] << 16) ^
(bData[3] << 8) ^ bData[4];
bHeader = new byte[6];
bBody = new byte[lLength - 1];
Array.Copy(bData, 0, bHeader, 0, 6);
Array.Copy(bData, 6, bBody, 0, (int)lLength - 1);
sptType = (SignatureSubPacketTypes)bData[5];
}
// TODO: Add Error Handling!!!
long iTime = 0;
switch (sptType)
{
case SignatureSubPacketTypes.SignatureCreationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtTimeCreated = new DateTime(iTime * 10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.IssuerKeyID:
lKeyID = (ulong)bBody[0] << 56;
lKeyID ^= (ulong)bBody[1] << 48;
lKeyID ^= (ulong)bBody[2] << 40;
lKeyID ^= (ulong)bBody[3] << 32;
lKeyID ^= (ulong)bBody[4] << 24;
lKeyID ^= (ulong)bBody[5] << 16;
lKeyID ^= (ulong)bBody[6] << 8;
lKeyID ^= (ulong)bBody[7];
break;
case SignatureSubPacketTypes.KeyServerPreferences:
kptKeyserverPreferences = new KeyserverPreferencesTypes[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
this.kptKeyserverPreferences[i] = (KeyserverPreferencesTypes)bBody[i];
}
break;
case SignatureSubPacketTypes.PreferedKeyServer:
char[] cKeyserver = new char[bBody.Length];
Array.Copy(bBody, cKeyserver, bBody.Length);
strPreferedKeyServer = cKeyserver.ToString();
break;
case SignatureSubPacketTypes.TrustSignature:
bTrustLevel = bBody[0];
bTrustAmount = bBody[1];
break;
case SignatureSubPacketTypes.KeyFlags:
kftKeyFlags = new KeyFlagTypes[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
kftKeyFlags[i] = (KeyFlagTypes)bBody[i];
}
break;
case SignatureSubPacketTypes.KeyExpirationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtKeyExpirationTime = new DateTime(iTime * 10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.SignatureExpirationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtSignatureExpirationTime = new DateTime(iTime * 10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.PreferedSymmetricAlgorithms:
saPreferedSymAlgos = new SymAlgorithms[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
saPreferedSymAlgos[i] = (SymAlgorithms)bBody[i];
}
break;
case SignatureSubPacketTypes.PreferedHashAlgorithms:
haPreferedHashAlgorithms = new HashAlgorithms[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
haPreferedHashAlgorithms[i] = (HashAlgorithms)bBody[i];
}
break;
case SignatureSubPacketTypes.PreferedCompressionAlgorithms:
caPreferedCompressionAlgorithms = new CompressionAlgorithms[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
caPreferedCompressionAlgorithms[i] = (CompressionAlgorithms)bBody[i];
}
break;
case SignatureSubPacketTypes.ExportableSignature:
bExportableSignature = (bBody[0] == 1);
break;
case SignatureSubPacketTypes.Revocable:
bRevocable = (bBody[0] == 1);
break;
case SignatureSubPacketTypes.PrimaryUserID:
bPrimaryUserID = (bBody[0] == 1);
break;
}
return(this);
}
/// <summary>
/// Parses the signature subpacket given as byte array into
/// the current class and returns this with the populated
/// parameters.
/// </summary>
/// <param name="bData">A byte array containing an OpenPGP
/// representation of the signature subpacket.</param>
/// <returns>Returns an SignatureSubPacket that containes
/// the parsed properties.</returns>
/// <remarks>No remarks</remarks>
public SignatureSubPacket ParsePacket(byte[] bData)
{
lLength = bData[0];
if (lLength < 192)
{
bHeader = new byte[2];
bBody = new byte[lLength - 1];
Array.Copy(bData, 0, bHeader, 0, 2);
Array.Copy(bData, 2, bBody, 0, (int)lLength - 1);
sptType = (SignatureSubPacketTypes)bData[1];
}
else if ((lLength > 191) && (lLength < 255))
{
lLength = ((bData[0] - 192) << 8) + bData[1] + 192;
bHeader = new byte[3];
bBody = new byte[lLength - 1];
Array.Copy(bData, 0, bHeader, 0, 3);
Array.Copy(bData, 3, bBody, 0, (int)lLength - 1);
sptType = (SignatureSubPacketTypes)bData[2];
}
else //lLength == 255
{
lLength = (bData[1] << 24) ^ (bData[2] << 16) ^
(bData[3] << 8) ^ bData[4];
bHeader = new byte[6];
bBody = new byte[lLength - 1];
Array.Copy(bData, 0, bHeader, 0, 6);
Array.Copy(bData, 6, bBody, 0, (int)lLength - 1);
sptType = (SignatureSubPacketTypes)bData[5];
}
// TODO: Add Error Handling!!!
long iTime = 0;
switch (sptType)
{
case SignatureSubPacketTypes.SignatureCreationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtTimeCreated = new DateTime(iTime * 10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.IssuerKeyID:
lKeyID = (ulong)bBody[0] << 56;
lKeyID ^= (ulong)bBody[1] << 48;
lKeyID ^= (ulong)bBody[2] << 40;
lKeyID ^= (ulong)bBody[3] << 32;
lKeyID ^= (ulong)bBody[4] << 24;
lKeyID ^= (ulong)bBody[5] << 16;
lKeyID ^= (ulong)bBody[6] << 8;
lKeyID ^= (ulong)bBody[7];
break;
case SignatureSubPacketTypes.KeyServerPreferences:
kptKeyserverPreferences = new KeyserverPreferencesTypes[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
this.kptKeyserverPreferences[i] = (KeyserverPreferencesTypes)bBody[i];
}
break;
case SignatureSubPacketTypes.PreferedKeyServer:
char[] cKeyserver = new char[bBody.Length];
Array.Copy(bBody, cKeyserver, bBody.Length);
strPreferedKeyServer = cKeyserver.ToString();
break;
case SignatureSubPacketTypes.TrustSignature:
bTrustLevel = bBody[0];
bTrustAmount = bBody[1];
break;
case SignatureSubPacketTypes.KeyFlags:
kftKeyFlags = new KeyFlagTypes[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
kftKeyFlags[i] = (KeyFlagTypes)bBody[i];
}
break;
case SignatureSubPacketTypes.KeyExpirationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtKeyExpirationTime = new DateTime(iTime * 10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.SignatureExpirationTime:
iTime = bBody[0] << 24;
iTime ^= bBody[1] << 16;
iTime ^= bBody[2] << 8;
iTime ^= bBody[3];
dtSignatureExpirationTime = new DateTime(iTime * 10000000 + new DateTime(1970, 1, 1).Ticks);
break;
case SignatureSubPacketTypes.PreferedSymmetricAlgorithms:
saPreferedSymAlgos = new SymAlgorithms[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
saPreferedSymAlgos[i] = (SymAlgorithms)bBody[i];
}
break;
case SignatureSubPacketTypes.PreferedHashAlgorithms:
haPreferedHashAlgorithms = new HashAlgorithms[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
haPreferedHashAlgorithms[i] = (HashAlgorithms)bBody[i];
}
break;
case SignatureSubPacketTypes.PreferedCompressionAlgorithms:
caPreferedCompressionAlgorithms = new CompressionAlgorithms[bBody.Length];
for (int i = 0; i < bBody.Length; i++)
{
caPreferedCompressionAlgorithms[i] = (CompressionAlgorithms)bBody[i];
}
break;
case SignatureSubPacketTypes.ExportableSignature:
bExportableSignature = (bBody[0] == 1);
break;
case SignatureSubPacketTypes.Revocable:
bRevocable = (bBody[0] == 1);
break;
case SignatureSubPacketTypes.PrimaryUserID:
bPrimaryUserID = (bBody[0] == 1);
break;
case SignatureSubPacketTypes.RevocationKey:
this.Sensible = (bBody[1] >> 3) & 0x01;
this.FingerprintHash = (HashAlgorithms)bBody[1];
byte[] fingerprint = new byte[bBody.Length - 2];
for (int i = 2; i < bBody.Length; i++)
{
fingerprint[i - 2] = bBody[i];
}
this.RevocationKeyID = new BigInteger(fingerprint);
break;
case SignatureSubPacketTypes.ReasonForRevocation:
byte[] reason = new byte[bBody.Length - 1];
for (int i = 1; i < bBody.Length; i++)
{
reason[i - 1] = bBody[i];
}
this.ReasonForRevocationCode = bBody[0];
char [] reasArray = new char[reason.Length];
Array.Copy(reason, reasArray, reason.Length);
this.ReasonForRevocation = new string(reasArray);
break;
case SignatureSubPacketTypes.NotationData:
int nameLength = bBody[4] << 8;
nameLength ^= bBody[5];
int valueLength = bBody[6] << 8;
valueLength ^= bBody[7];
byte[] name = new byte[nameLength];
byte[] val = new byte[valueLength];
for (int i = 8; i < nameLength + 8; i++)
{
name[i - 8] = bBody[i];
}
for (int i = nameLength + 8; i < valueLength + nameLength + 8; i++)
{
val[i - nameLength - 8] = bBody[i];
}
char [] notnamArray = new char[nameLength];
Array.Copy(name, notnamArray, name.Length);
this.NotationName = new string(notnamArray);
char [] notvalArray = new char[valueLength];
Array.Copy(val, notvalArray, val.Length);
this.NotationValue = new string(notvalArray);
break;
}
return(this);
}