1 files changed, 93 insertions, 0 deletions
diff --git a/Crypto/src/bcpg/OnePassSignaturePacket.cs b/Crypto/src/bcpg/OnePassSignaturePacket.cs
new file mode 100644
index 000000000..b67df0a52
--- /dev/null
+++ b/Crypto/src/bcpg/OnePassSignaturePacket.cs
@@ -0,0 +1,93 @@
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Bcpg
+{
+ /// <remarks>Generic signature object</remarks>
+ public class OnePassSignaturePacket
+ : ContainedPacket
+ {
+ private int version;
+ private int sigType;
+ private HashAlgorithmTag hashAlgorithm;
+ private PublicKeyAlgorithmTag keyAlgorithm;
+ private long keyId;
+ private int nested;
+
+ internal OnePassSignaturePacket(
+ BcpgInputStream bcpgIn)
+ {
+ version = bcpgIn.ReadByte();
+ sigType = bcpgIn.ReadByte();
+ hashAlgorithm = (HashAlgorithmTag) bcpgIn.ReadByte();
+ keyAlgorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte();
+
+ 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();
+
+ nested = bcpgIn.ReadByte();
+ }
+
+ public OnePassSignaturePacket(
+ int sigType,
+ HashAlgorithmTag hashAlgorithm,
+ PublicKeyAlgorithmTag keyAlgorithm,
+ long keyId,
+ bool isNested)
+ {
+ this.version = 3;
+ this.sigType = sigType;
+ this.hashAlgorithm = hashAlgorithm;
+ this.keyAlgorithm = keyAlgorithm;
+ this.keyId = keyId;
+ this.nested = (isNested) ? 0 : 1;
+ }
+
+ public int SignatureType
+ {
+ get { return sigType; }
+ }
+
+ /// <summary>The encryption algorithm tag.</summary>
+ public PublicKeyAlgorithmTag KeyAlgorithm
+ {
+ get { return keyAlgorithm; }
+ }
+
+ /// <summary>The hash algorithm tag.</summary>
+ public HashAlgorithmTag HashAlgorithm
+ {
+ get { return hashAlgorithm; }
+ }
+
+ public long KeyId
+ {
+ get { return keyId; }
+ }
+
+ public override void Encode(
+ BcpgOutputStream bcpgOut)
+ {
+ MemoryStream bOut = new MemoryStream();
+ BcpgOutputStream pOut = new BcpgOutputStream(bOut);
+
+ pOut.Write(
+ (byte) version,
+ (byte) sigType,
+ (byte) hashAlgorithm,
+ (byte) keyAlgorithm);
+
+ pOut.WriteLong(keyId);
+
+ pOut.WriteByte((byte) nested);
+
+ bcpgOut.WritePacket(PacketTag.OnePassSignature, bOut.ToArray(), true);
+ }
+ }
+}
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