1 files changed, 79 insertions, 0 deletions
diff --git a/Crypto/src/openpgp/PGPKeyRing.cs b/Crypto/src/openpgp/PGPKeyRing.cs
new file mode 100644
index 000000000..6426f3f25
--- /dev/null
+++ b/Crypto/src/openpgp/PGPKeyRing.cs
@@ -0,0 +1,79 @@
+using System.Collections;
+using System.IO;
+
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Bcpg.OpenPgp
+{
+ public abstract class PgpKeyRing
+ : PgpObject
+ {
+ internal PgpKeyRing()
+ {
+ }
+
+ internal static TrustPacket ReadOptionalTrustPacket(
+ BcpgInputStream bcpgInput)
+ {
+ return (bcpgInput.NextPacketTag() == PacketTag.Trust)
+ ? (TrustPacket) bcpgInput.ReadPacket()
+ : null;
+ }
+
+ internal static IList ReadSignaturesAndTrust(
+ BcpgInputStream bcpgInput)
+ {
+ try
+ {
+ IList sigList = Platform.CreateArrayList();
+
+ while (bcpgInput.NextPacketTag() == PacketTag.Signature)
+ {
+ SignaturePacket signaturePacket = (SignaturePacket) bcpgInput.ReadPacket();
+ TrustPacket trustPacket = ReadOptionalTrustPacket(bcpgInput);
+
+ sigList.Add(new PgpSignature(signaturePacket, trustPacket));
+ }
+
+ return sigList;
+ }
+ catch (PgpException e)
+ {
+ throw new IOException("can't create signature object: " + e.Message, e);
+ }
+ }
+
+ internal static void ReadUserIDs(
+ BcpgInputStream bcpgInput,
+ out IList ids,
+ out IList idTrusts,
+ out IList idSigs)
+ {
+ ids = Platform.CreateArrayList();
+ idTrusts = Platform.CreateArrayList();
+ idSigs = Platform.CreateArrayList();
+
+ while (bcpgInput.NextPacketTag() == PacketTag.UserId
+ || bcpgInput.NextPacketTag() == PacketTag.UserAttribute)
+ {
+ Packet obj = bcpgInput.ReadPacket();
+ if (obj is UserIdPacket)
+ {
+ UserIdPacket id = (UserIdPacket)obj;
+ ids.Add(id.GetId());
+ }
+ else
+ {
+ UserAttributePacket user = (UserAttributePacket) obj;
+ ids.Add(new PgpUserAttributeSubpacketVector(user.GetSubpackets()));
+ }
+
+ idTrusts.Add(
+ ReadOptionalTrustPacket(bcpgInput));
+
+ idSigs.Add(
+ ReadSignaturesAndTrust(bcpgInput));
+ }
+ }
+ }
+}
|
