1 files changed, 46 insertions, 0 deletions
diff --git a/libraries/spongycastle/pg/src/main/java/org/spongycastle/bcpg/sig/PrimaryUserID.java b/libraries/spongycastle/pg/src/main/java/org/spongycastle/bcpg/sig/PrimaryUserID.java
new file mode 100644
index 000000000..80829ad88
--- /dev/null
+++ b/libraries/spongycastle/pg/src/main/java/org/spongycastle/bcpg/sig/PrimaryUserID.java
@@ -0,0 +1,46 @@
+package org.spongycastle.bcpg.sig;
+
+import org.spongycastle.bcpg.SignatureSubpacket;
+import org.spongycastle.bcpg.SignatureSubpacketTags;
+
+/**
+ * packet giving whether or not the signature is signed using the primary user ID for the key.
+ */
+public class PrimaryUserID 
+    extends SignatureSubpacket
+{    
+    private static byte[] booleanToByteArray(
+        boolean    value)
+    {
+        byte[]    data = new byte[1];
+            
+        if (value)
+        {
+            data[0] = 1;
+            return data;
+        }
+        else
+        {
+            return data;
+        }
+    }
+    
+    public PrimaryUserID(
+        boolean    critical,
+        byte[]     data)
+    {
+        super(SignatureSubpacketTags.PRIMARY_USER_ID, critical, data);
+    }
+    
+    public PrimaryUserID(
+        boolean    critical,
+        boolean    isPrimaryUserID)
+    {
+        super(SignatureSubpacketTags.PRIMARY_USER_ID, critical, booleanToByteArray(isPrimaryUserID));
+    }
+    
+    public boolean isPrimaryUserID()
+    {
+        return data[0] != 0;
+    }
+}