1 files changed, 102 insertions, 0 deletions
diff --git a/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/examples/PubringDump.java b/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/examples/PubringDump.java
new file mode 100644
index 000000000..5439502b2
--- /dev/null
+++ b/libraries/spongycastle/pg/src/main/java/org/spongycastle/openpgp/examples/PubringDump.java
@@ -0,0 +1,102 @@
+package org.spongycastle.openpgp.examples;
+
+import java.io.*;
+
+import java.security.Security;
+import java.util.Iterator;
+
+import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
+import org.spongycastle.jce.provider.BouncyCastleProvider;
+
+import org.spongycastle.openpgp.PGPPublicKey;
+import org.spongycastle.openpgp.PGPPublicKeyRing;
+import org.spongycastle.openpgp.PGPPublicKeyRingCollection;
+import org.spongycastle.openpgp.PGPUtil;
+
+import org.spongycastle.util.encoders.Hex;
+
+/**
+ * Basic class which just lists the contents of the public key file passed
+ * as an argument. If the file contains more than one "key ring" they are
+ * listed in the order found.
+ */
+public class PubringDump 
+{
+    public static String getAlgorithm(
+        int    algId)
+    {
+        switch (algId)
+        {
+        case PublicKeyAlgorithmTags.RSA_GENERAL:
+            return "RSA_GENERAL";
+        case PublicKeyAlgorithmTags.RSA_ENCRYPT:
+            return "RSA_ENCRYPT";
+        case PublicKeyAlgorithmTags.RSA_SIGN:
+            return "RSA_SIGN";
+        case PublicKeyAlgorithmTags.ELGAMAL_ENCRYPT:
+            return "ELGAMAL_ENCRYPT";
+        case PublicKeyAlgorithmTags.DSA:
+            return "DSA";
+        case PublicKeyAlgorithmTags.EC:
+            return "EC";
+        case PublicKeyAlgorithmTags.ECDSA:
+            return "ECDSA";
+        case PublicKeyAlgorithmTags.ELGAMAL_GENERAL:
+            return "ELGAMAL_GENERAL";
+        case PublicKeyAlgorithmTags.DIFFIE_HELLMAN:
+            return "DIFFIE_HELLMAN";
+        }
+
+        return "unknown";
+    }
+
+    public static void main(String[] args)
+        throws Exception
+    {
+        Security.addProvider(new BouncyCastleProvider());
+        
+        PGPUtil.setDefaultProvider("SC");
+
+        //
+        // Read the public key rings
+        //
+        PGPPublicKeyRingCollection    pubRings = new PGPPublicKeyRingCollection(
+            PGPUtil.getDecoderStream(new FileInputStream(args[0])));
+
+        Iterator    rIt = pubRings.getKeyRings();
+            
+        while (rIt.hasNext())
+        {
+            PGPPublicKeyRing    pgpPub = (PGPPublicKeyRing)rIt.next();
+
+            try
+            {
+                pgpPub.getPublicKey();
+            }
+            catch (Exception e)
+            {
+                e.printStackTrace();
+                continue;
+            }
+
+            Iterator    it = pgpPub.getPublicKeys();
+            boolean     first = true;
+            while (it.hasNext())
+            {
+                PGPPublicKey    pgpKey = (PGPPublicKey)it.next();
+
+                if (first)
+                {
+                    System.out.println("Key ID: " + Long.toHexString(pgpKey.getKeyID()));
+                    first = false;
+                }
+                else
+                {
+                    System.out.println("Key ID: " + Long.toHexString(pgpKey.getKeyID()) + " (subkey)");
+                }
+                System.out.println("            Algorithm: " + getAlgorithm(pgpKey.getAlgorithm()));
+                System.out.println("            Fingerprint: " + new String(Hex.encode(pgpKey.getFingerprint())));
+            }
+        }
+    }
+}