1 files changed, 90 insertions, 0 deletions
diff --git a/libraries/spongycastle/pg/src/main/java/org/spongycastle/bcpg/SymmetricKeyEncSessionPacket.java b/libraries/spongycastle/pg/src/main/java/org/spongycastle/bcpg/SymmetricKeyEncSessionPacket.java
new file mode 100644
index 000000000..138bbba4c
--- /dev/null
+++ b/libraries/spongycastle/pg/src/main/java/org/spongycastle/bcpg/SymmetricKeyEncSessionPacket.java
@@ -0,0 +1,90 @@
+package org.spongycastle.bcpg;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+/**
+ * Basic type for a symmetric encrypted session key packet
+ */
+public class SymmetricKeyEncSessionPacket 
+    extends ContainedPacket
+{
+    private int       version;
+    private int       encAlgorithm;
+    private S2K       s2k;
+    private byte[]    secKeyData;
+    
+    public SymmetricKeyEncSessionPacket(
+        BCPGInputStream  in)
+        throws IOException
+    {
+        version = in.read();
+        encAlgorithm = in.read();
+
+        s2k = new S2K(in);
+
+        this.secKeyData = in.readAll();
+    }
+
+    public SymmetricKeyEncSessionPacket(
+        int       encAlgorithm,
+        S2K       s2k,
+        byte[]    secKeyData)
+    {
+        this.version = 4;
+        this.encAlgorithm = encAlgorithm;
+        this.s2k = s2k;
+        this.secKeyData = secKeyData;
+    }
+    
+    /**
+     * @return int
+     */
+    public int getEncAlgorithm()
+    {
+        return encAlgorithm;
+    }
+
+    /**
+     * @return S2K
+     */
+    public S2K getS2K()
+    {
+        return s2k;
+    }
+
+    /**
+     * @return byte[]
+     */
+    public byte[] getSecKeyData()
+    {
+        return secKeyData;
+    }
+
+    /**
+     * @return int
+     */
+    public int getVersion()
+    {
+        return version;
+    }
+    
+    public void encode(
+        BCPGOutputStream    out)
+        throws IOException
+    {
+        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
+        BCPGOutputStream        pOut = new BCPGOutputStream(bOut);
+
+        pOut.write(version);
+        pOut.write(encAlgorithm);
+        pOut.writeObject(s2k);
+        
+        if (secKeyData != null && secKeyData.length > 0)
+        {
+            pOut.write(secKeyData);
+        }
+        
+        out.writePacket(SYMMETRIC_KEY_ENC_SESSION, bOut.toByteArray(), true);
+    }
+}