internal SignaturePacket(
BcpgInputStream bcpgIn)
{
version = bcpgIn.ReadByte();
if (version == 3 || version == 2)
{
// int l =
bcpgIn.ReadByte();
signatureType = bcpgIn.ReadByte();
creationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16)
| ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L;
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();
keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte();
}
else if (version == 4)
{
signatureType = bcpgIn.ReadByte();
keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte();
int hashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
byte[] hashed = new byte[hashedLength];
bcpgIn.ReadFully(hashed);
//
// read the signature sub packet data.
//
SignatureSubpacketsParser sIn = new SignatureSubpacketsParser(
new MemoryStream(hashed, false));
ArrayList v = new ArrayList();
SignatureSubpacket sub;
while ((sub = sIn.ReadPacket()) != null)
{
v.Add(sub);
}
hashedData = new SignatureSubpacket[v.Count];
for (int i = 0; i != hashedData.Length; i++)
{
SignatureSubpacket p = (SignatureSubpacket)v[i];
if (p is IssuerKeyId)
{
keyId = ((IssuerKeyId)p).KeyId;
}
else if (p is SignatureCreationTime)
{
creationTime = DateTimeUtilities.DateTimeToUnixMs(
((SignatureCreationTime)p).GetTime());
}
hashedData[i] = p;
}
int unhashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
byte[] unhashed = new byte[unhashedLength];
bcpgIn.ReadFully(unhashed);
sIn = new SignatureSubpacketsParser(new MemoryStream(unhashed, false));
v.Clear();
while ((sub = sIn.ReadPacket()) != null)
{
v.Add(sub);
}
unhashedData = new SignatureSubpacket[v.Count];
for (int i = 0; i != unhashedData.Length; i++)
{
SignatureSubpacket p = (SignatureSubpacket)v[i];
if (p is IssuerKeyId)
{
keyId = ((IssuerKeyId)p).KeyId;
}
else if (p is SignatureCreationTime)
{
creationTime = DateTimeUtilities.DateTimeToUnixMs(
((SignatureCreationTime)p).GetTime());
}
unhashedData[i] = (SignatureSubpacket)p;
}
}
else
{
throw new Exception("unsupported version: " + version);
}
fingerprint = new byte[2];
bcpgIn.ReadFully(fingerprint);
switch (keyAlgorithm)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaSign:
MPInteger v = new MPInteger(bcpgIn);
signature = new MPInteger[] { v };
break;
case PublicKeyAlgorithmTag.Dsa:
MPInteger r = new MPInteger(bcpgIn);
MPInteger s = new MPInteger(bcpgIn);
signature = new MPInteger[] { r, s };
break;
case PublicKeyAlgorithmTag.ElGamalEncrypt: // yep, this really does happen sometimes.
case PublicKeyAlgorithmTag.ElGamalGeneral:
MPInteger p = new MPInteger(bcpgIn);
MPInteger g = new MPInteger(bcpgIn);
MPInteger y = new MPInteger(bcpgIn);
signature = new MPInteger[] { p, g, y };
break;
default:
throw new IOException("unknown signature key algorithm: " + keyAlgorithm);
}
}
internal SignaturePacket(BcpgInputStream bcpgIn)
{
//IL_018f: Unknown result type (might be due to invalid IL or missing references)
//IL_0199: Expected O, but got Unknown
//IL_025a: Unknown result type (might be due to invalid IL or missing references)
//IL_0264: Expected O, but got Unknown
//IL_0422: Unknown result type (might be due to invalid IL or missing references)
//IL_0429: Expected O, but got Unknown
//IL_0464: Unknown result type (might be due to invalid IL or missing references)
version = ((Stream)bcpgIn).ReadByte();
if (version == 3 || version == 2)
{
((Stream)bcpgIn).ReadByte();
signatureType = ((Stream)bcpgIn).ReadByte();
creationTime = (((long)((Stream)bcpgIn).ReadByte() << 24) | ((long)((Stream)bcpgIn).ReadByte() << 16) | ((long)((Stream)bcpgIn).ReadByte() << 8) | (uint)((Stream)bcpgIn).ReadByte()) * 1000;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 56;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 48;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 40;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 32;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 24;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 16;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 8;
keyId |= (uint)((Stream)bcpgIn).ReadByte();
keyAlgorithm = (PublicKeyAlgorithmTag)((Stream)bcpgIn).ReadByte();
hashAlgorithm = (HashAlgorithmTag)((Stream)bcpgIn).ReadByte();
}
else
{
if (version != 4)
{
throw new global::System.Exception(string.Concat((object)"unsupported version: ", (object)version));
}
signatureType = ((Stream)bcpgIn).ReadByte();
keyAlgorithm = (PublicKeyAlgorithmTag)((Stream)bcpgIn).ReadByte();
hashAlgorithm = (HashAlgorithmTag)((Stream)bcpgIn).ReadByte();
int num = (((Stream)bcpgIn).ReadByte() << 8) | ((Stream)bcpgIn).ReadByte();
byte[] array = new byte[num];
bcpgIn.ReadFully(array);
SignatureSubpacketsParser signatureSubpacketsParser = new SignatureSubpacketsParser((Stream) new MemoryStream(array, false));
global::System.Collections.IList list = Platform.CreateArrayList();
SignatureSubpacket signatureSubpacket;
while ((signatureSubpacket = signatureSubpacketsParser.ReadPacket()) != null)
{
list.Add((object)signatureSubpacket);
}
hashedData = new SignatureSubpacket[((global::System.Collections.ICollection)list).get_Count()];
for (int i = 0; i != hashedData.Length; i++)
{
SignatureSubpacket signatureSubpacket2 = (SignatureSubpacket)list.get_Item(i);
if (signatureSubpacket2 is IssuerKeyId)
{
keyId = ((IssuerKeyId)signatureSubpacket2).KeyId;
}
else if (signatureSubpacket2 is SignatureCreationTime)
{
creationTime = DateTimeUtilities.DateTimeToUnixMs(((SignatureCreationTime)signatureSubpacket2).GetTime());
}
hashedData[i] = signatureSubpacket2;
}
int num2 = (((Stream)bcpgIn).ReadByte() << 8) | ((Stream)bcpgIn).ReadByte();
byte[] array2 = new byte[num2];
bcpgIn.ReadFully(array2);
signatureSubpacketsParser = new SignatureSubpacketsParser((Stream) new MemoryStream(array2, false));
list.Clear();
while ((signatureSubpacket = signatureSubpacketsParser.ReadPacket()) != null)
{
list.Add((object)signatureSubpacket);
}
unhashedData = new SignatureSubpacket[((global::System.Collections.ICollection)list).get_Count()];
for (int j = 0; j != unhashedData.Length; j++)
{
SignatureSubpacket signatureSubpacket3 = (SignatureSubpacket)list.get_Item(j);
if (signatureSubpacket3 is IssuerKeyId)
{
keyId = ((IssuerKeyId)signatureSubpacket3).KeyId;
}
unhashedData[j] = signatureSubpacket3;
}
}
fingerprint = new byte[2];
bcpgIn.ReadFully(fingerprint);
switch (keyAlgorithm)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaSign:
{
MPInteger mPInteger8 = new MPInteger(bcpgIn);
signature = new MPInteger[1] {
mPInteger8
};
return;
}
case PublicKeyAlgorithmTag.Dsa:
{
MPInteger mPInteger6 = new MPInteger(bcpgIn);
MPInteger mPInteger7 = new MPInteger(bcpgIn);
signature = new MPInteger[2] {
mPInteger6, mPInteger7
};
return;
}
case PublicKeyAlgorithmTag.ElGamalEncrypt:
case PublicKeyAlgorithmTag.ElGamalGeneral:
{
MPInteger mPInteger3 = new MPInteger(bcpgIn);
MPInteger mPInteger4 = new MPInteger(bcpgIn);
MPInteger mPInteger5 = new MPInteger(bcpgIn);
signature = new MPInteger[3] {
mPInteger3, mPInteger4, mPInteger5
};
return;
}
case PublicKeyAlgorithmTag.ECDsa:
{
MPInteger mPInteger = new MPInteger(bcpgIn);
MPInteger mPInteger2 = new MPInteger(bcpgIn);
signature = new MPInteger[2] {
mPInteger, mPInteger2
};
return;
}
}
if (keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11)
{
signature = null;
MemoryStream val = new MemoryStream();
int num3;
while ((num3 = ((Stream)bcpgIn).ReadByte()) >= 0)
{
((Stream)val).WriteByte((byte)num3);
}
signatureEncoding = val.ToArray();
return;
}
throw new IOException(string.Concat((object)"unknown signature key algorithm: ", (object)keyAlgorithm));
}
internal SignaturePacket(
BcpgInputStream bcpgIn)
{
version = bcpgIn.ReadByte();
if (version == 3 || version == 2)
{
// int l =
bcpgIn.ReadByte();
signatureType = bcpgIn.ReadByte();
creationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16)
| ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L;
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();
keyAlgorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte();
hashAlgorithm = (HashAlgorithmTag) bcpgIn.ReadByte();
}
else if (version == 4)
{
signatureType = bcpgIn.ReadByte();
keyAlgorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte();
hashAlgorithm = (HashAlgorithmTag) bcpgIn.ReadByte();
int hashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
byte[] hashed = new byte[hashedLength];
bcpgIn.ReadFully(hashed);
//
// read the signature sub packet data.
//
SignatureSubpacketsParser sIn = new SignatureSubpacketsParser(
new MemoryStream(hashed, false));
ArrayList v = new ArrayList();
SignatureSubpacket sub;
while ((sub = sIn.ReadPacket()) != null)
{
v.Add(sub);
}
hashedData = new SignatureSubpacket[v.Count];
for (int i = 0; i != hashedData.Length; i++)
{
SignatureSubpacket p = (SignatureSubpacket)v[i];
if (p is IssuerKeyId)
{
keyId = ((IssuerKeyId)p).KeyId;
}
else if (p is SignatureCreationTime)
{
creationTime = DateTimeUtilities.DateTimeToUnixMs(
((SignatureCreationTime)p).GetTime());
}
hashedData[i] = p;
}
int unhashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
byte[] unhashed = new byte[unhashedLength];
bcpgIn.ReadFully(unhashed);
sIn = new SignatureSubpacketsParser(new MemoryStream(unhashed, false));
v.Clear();
while ((sub = sIn.ReadPacket()) != null)
{
v.Add(sub);
}
unhashedData = new SignatureSubpacket[v.Count];
for (int i = 0; i != unhashedData.Length; i++)
{
SignatureSubpacket p = (SignatureSubpacket)v[i];
if (p is IssuerKeyId)
{
keyId = ((IssuerKeyId)p).KeyId;
}
unhashedData[i] = p;
}
}
else
{
throw new Exception("unsupported version: " + version);
}
fingerprint = new byte[2];
bcpgIn.ReadFully(fingerprint);
switch (keyAlgorithm)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaSign:
MPInteger v = new MPInteger(bcpgIn);
signature = new MPInteger[]{ v };
break;
case PublicKeyAlgorithmTag.Dsa:
MPInteger r = new MPInteger(bcpgIn);
MPInteger s = new MPInteger(bcpgIn);
signature = new MPInteger[]{ r, s };
break;
case PublicKeyAlgorithmTag.ElGamalEncrypt: // yep, this really does happen sometimes.
case PublicKeyAlgorithmTag.ElGamalGeneral:
MPInteger p = new MPInteger(bcpgIn);
MPInteger g = new MPInteger(bcpgIn);
MPInteger y = new MPInteger(bcpgIn);
signature = new MPInteger[]{ p, g, y };
break;
default:
if (keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11)
{
signature = null;
MemoryStream bOut = new MemoryStream();
int ch;
while ((ch = bcpgIn.ReadByte()) >= 0)
{
bOut.WriteByte((byte) ch);
}
signatureEncoding = bOut.ToArray();
}
else
{
throw new IOException("unknown signature key algorithm: " + keyAlgorithm);
}
break;
}
}
internal SignaturePacket(BcpgInputStream bcpgIn)
{
_version = bcpgIn.ReadByte();
//TODO: refactor
switch (_version)
{
case 2:
case 3:
bcpgIn.ReadByte();
_signatureType = bcpgIn.ReadByte();
CreationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16)
| ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L;
_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();
_keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
_hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte();
break;
case 4:
{
_signatureType = bcpgIn.ReadByte();
_keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
_hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte();
var hashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
var hashed = new byte[hashedLength];
bcpgIn.ReadFully(hashed);
//
// read the signature sub packet data.
//
using (var hashedStream = new MemoryStream(hashed, false))
{
var sIn = new SignatureSubpacketsParser(hashedStream);
var v = Platform.CreateArrayList<ISignatureSubpacket>();
SignatureSubpacket sub;
while ((sub = sIn.ReadPacket()) != null)
{
v.Add(sub);
var issuerKeyId = sub as IssuerKeyId;
if (issuerKeyId != null)
{
_keyId = issuerKeyId.KeyId;
}
else
{
var signatureCreationTime = sub as SignatureCreationTime;
if (signatureCreationTime != null)
{
CreationTime = DateTimeUtilities.DateTimeToUnixMs(signatureCreationTime.GetTime());
}
}
}
_hashedData = v.ToArray();
var unhashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
var unhashed = new byte[unhashedLength];
bcpgIn.ReadFully(unhashed);
v.Clear();
using (var unhashedStream = new MemoryStream(unhashed, false))
{
sIn = new SignatureSubpacketsParser(unhashedStream);
while ((sub = sIn.ReadPacket()) != null)
{
v.Add(sub);
var issuerKeyId = sub as IssuerKeyId;
if (issuerKeyId != null)
{
_keyId = issuerKeyId.KeyId;
}
}
}
_unhashedData = v.ToArray();
}
}
break;
default:
throw new Exception("unsupported version: " + _version);
}
_fingerprint = new byte[2];
bcpgIn.ReadFully(_fingerprint);
switch (_keyAlgorithm)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaSign:
var v = new MPInteger(bcpgIn);
_signature = new[] { v };
break;
case PublicKeyAlgorithmTag.Dsa:
case PublicKeyAlgorithmTag.Ecdsa:
case PublicKeyAlgorithmTag.Ecdh:
var r = new MPInteger(bcpgIn);
var s = new MPInteger(bcpgIn);
_signature = new[] { r, s };
break;
case PublicKeyAlgorithmTag.ElGamalEncrypt: // yep, this really does happen sometimes.
case PublicKeyAlgorithmTag.ElGamalGeneral:
var p = new MPInteger(bcpgIn);
var g = new MPInteger(bcpgIn);
var y = new MPInteger(bcpgIn);
_signature = new[] { p, g, y };
break;
default:
if (_keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && _keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11)
{
_signature = null;
using (var bOut = new MemoryStream())
{
int ch;
while ((ch = bcpgIn.ReadByte()) >= 0)
{
bOut.WriteByte((byte)ch);
}
_signatureEncoding = bOut.ToArray();
}
}
else
{
throw new IOException("unknown signature key algorithm: " + _keyAlgorithm);
}
break;
}
}
internal SignaturePacket(BcpgInputStream bcpgIn)
{
this.version = bcpgIn.ReadByte();
if (this.version == 3 || this.version == 2)
{
bcpgIn.ReadByte();
this.signatureType = bcpgIn.ReadByte();
this.creationTime = ((long)bcpgIn.ReadByte() << 24 | (long)bcpgIn.ReadByte() << 16 | (long)bcpgIn.ReadByte() << 8 | (long)((ulong)bcpgIn.ReadByte())) * 1000L;
this.keyId |= (long)bcpgIn.ReadByte() << 56;
this.keyId |= (long)bcpgIn.ReadByte() << 48;
this.keyId |= (long)bcpgIn.ReadByte() << 40;
this.keyId |= (long)bcpgIn.ReadByte() << 32;
this.keyId |= (long)bcpgIn.ReadByte() << 24;
this.keyId |= (long)bcpgIn.ReadByte() << 16;
this.keyId |= (long)bcpgIn.ReadByte() << 8;
this.keyId |= (long)((ulong)bcpgIn.ReadByte());
this.keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
this.hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte();
}
else
{
if (this.version != 4)
{
throw new Exception("unsupported version: " + this.version);
}
this.signatureType = bcpgIn.ReadByte();
this.keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
this.hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte();
int num = bcpgIn.ReadByte() << 8 | bcpgIn.ReadByte();
byte[] buffer = new byte[num];
bcpgIn.ReadFully(buffer);
SignatureSubpacketsParser signatureSubpacketsParser = new SignatureSubpacketsParser(new MemoryStream(buffer, false));
IList list = Platform.CreateArrayList();
SignatureSubpacket value;
while ((value = signatureSubpacketsParser.ReadPacket()) != null)
{
list.Add(value);
}
this.hashedData = new SignatureSubpacket[list.Count];
for (int num2 = 0; num2 != this.hashedData.Length; num2++)
{
SignatureSubpacket signatureSubpacket = (SignatureSubpacket)list[num2];
if (signatureSubpacket is IssuerKeyId)
{
this.keyId = ((IssuerKeyId)signatureSubpacket).KeyId;
}
else if (signatureSubpacket is SignatureCreationTime)
{
this.creationTime = DateTimeUtilities.DateTimeToUnixMs(((SignatureCreationTime)signatureSubpacket).GetTime());
}
this.hashedData[num2] = signatureSubpacket;
}
int num3 = bcpgIn.ReadByte() << 8 | bcpgIn.ReadByte();
byte[] buffer2 = new byte[num3];
bcpgIn.ReadFully(buffer2);
signatureSubpacketsParser = new SignatureSubpacketsParser(new MemoryStream(buffer2, false));
list.Clear();
while ((value = signatureSubpacketsParser.ReadPacket()) != null)
{
list.Add(value);
}
this.unhashedData = new SignatureSubpacket[list.Count];
for (int num4 = 0; num4 != this.unhashedData.Length; num4++)
{
SignatureSubpacket signatureSubpacket2 = (SignatureSubpacket)list[num4];
if (signatureSubpacket2 is IssuerKeyId)
{
this.keyId = ((IssuerKeyId)signatureSubpacket2).KeyId;
}
this.unhashedData[num4] = signatureSubpacket2;
}
}
this.fingerprint = new byte[2];
bcpgIn.ReadFully(this.fingerprint);
PublicKeyAlgorithmTag publicKeyAlgorithmTag = this.keyAlgorithm;
switch (publicKeyAlgorithmTag)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaSign:
{
MPInteger mPInteger = new MPInteger(bcpgIn);
this.signature = new MPInteger[]
{
mPInteger
};
return;
}
case PublicKeyAlgorithmTag.RsaEncrypt:
break;
default:
switch (publicKeyAlgorithmTag)
{
case PublicKeyAlgorithmTag.ElGamalEncrypt:
case PublicKeyAlgorithmTag.ElGamalGeneral:
{
MPInteger mPInteger2 = new MPInteger(bcpgIn);
MPInteger mPInteger3 = new MPInteger(bcpgIn);
MPInteger mPInteger4 = new MPInteger(bcpgIn);
this.signature = new MPInteger[]
{
mPInteger2,
mPInteger3,
mPInteger4
};
return;
}
case PublicKeyAlgorithmTag.Dsa:
{
MPInteger mPInteger5 = new MPInteger(bcpgIn);
MPInteger mPInteger6 = new MPInteger(bcpgIn);
this.signature = new MPInteger[]
{
mPInteger5,
mPInteger6
};
return;
}
}
break;
}
if (this.keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && this.keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11)
{
this.signature = null;
MemoryStream memoryStream = new MemoryStream();
int num5;
while ((num5 = bcpgIn.ReadByte()) >= 0)
{
memoryStream.WriteByte((byte)num5);
}
this.signatureEncoding = memoryStream.ToArray();
return;
}
throw new IOException("unknown signature key algorithm: " + this.keyAlgorithm);
}
internal SignaturePacket(BcpgInputStream bcpgIn)
{
_version = bcpgIn.ReadByte();
//TODO: refactor
switch (_version)
{
case 2:
case 3:
bcpgIn.ReadByte();
_signatureType = bcpgIn.ReadByte();
CreationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16)
| ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L;
_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();
_keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
_hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte();
break;
case 4:
{
_signatureType = bcpgIn.ReadByte();
_keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
_hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte();
var hashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
var hashed = new byte[hashedLength];
bcpgIn.ReadFully(hashed);
//
// read the signature sub packet data.
//
using (var hashedStream = new MemoryStream(hashed, false))
{
var sIn = new SignatureSubpacketsParser(hashedStream);
var v = Platform.CreateArrayList <ISignatureSubpacket>();
SignatureSubpacket sub;
while ((sub = sIn.ReadPacket()) != null)
{
v.Add(sub);
var issuerKeyId = sub as IssuerKeyId;
if (issuerKeyId != null)
{
_keyId = issuerKeyId.KeyId;
}
else
{
var signatureCreationTime = sub as SignatureCreationTime;
if (signatureCreationTime != null)
{
CreationTime = DateTimeUtilities.DateTimeToUnixMs(signatureCreationTime.GetTime());
}
}
}
_hashedData = v.ToArray();
var unhashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
var unhashed = new byte[unhashedLength];
bcpgIn.ReadFully(unhashed);
v.Clear();
using (var unhashedStream = new MemoryStream(unhashed, false))
{
sIn = new SignatureSubpacketsParser(unhashedStream);
while ((sub = sIn.ReadPacket()) != null)
{
v.Add(sub);
var issuerKeyId = sub as IssuerKeyId;
if (issuerKeyId != null)
{
_keyId = issuerKeyId.KeyId;
}
}
}
_unhashedData = v.ToArray();
}
}
break;
default:
throw new Exception("unsupported version: " + _version);
}
_fingerprint = new byte[2];
bcpgIn.ReadFully(_fingerprint);
switch (_keyAlgorithm)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaSign:
var v = new MPInteger(bcpgIn);
_signature = new[] { v };
break;
case PublicKeyAlgorithmTag.Dsa:
case PublicKeyAlgorithmTag.Ecdsa:
case PublicKeyAlgorithmTag.Ecdh:
var r = new MPInteger(bcpgIn);
var s = new MPInteger(bcpgIn);
_signature = new[] { r, s };
break;
case PublicKeyAlgorithmTag.ElGamalEncrypt: // yep, this really does happen sometimes.
case PublicKeyAlgorithmTag.ElGamalGeneral:
var p = new MPInteger(bcpgIn);
var g = new MPInteger(bcpgIn);
var y = new MPInteger(bcpgIn);
_signature = new[] { p, g, y };
break;
default:
if (_keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && _keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11)
{
_signature = null;
using (var bOut = new MemoryStream())
{
int ch;
while ((ch = bcpgIn.ReadByte()) >= 0)
{
bOut.WriteByte((byte)ch);
}
_signatureEncoding = bOut.ToArray();
}
}
else
{
throw new IOException("unknown signature key algorithm: " + _keyAlgorithm);
}
break;
}
}
