From cb594c3b2c0381ded9387875a50de2949cc05a39 Mon Sep 17 00:00:00 2001
From: Paul Schaub <vanitasvitae@fsfe.org>
Date: Sat, 24 Jun 2023 10:11:36 +0200
Subject: [PATCH] Add utility methods to KeyRingInfo

---
 .../org/pgpainless/key/info/KeyRingInfo.java  | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/pgpainless-core/src/main/java/org/pgpainless/key/info/KeyRingInfo.java b/pgpainless-core/src/main/java/org/pgpainless/key/info/KeyRingInfo.java
index 1c20a06c..d906ab14 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/key/info/KeyRingInfo.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/key/info/KeyRingInfo.java
@@ -117,6 +117,26 @@ public class KeyRingInfo {
         this.revocationState = findRevocationState();
     }
 
+    /**
+     * Return the underlying {@link PGPKeyRing}.
+     * @return keys
+     */
+    public PGPKeyRing getKeys() {
+        return keys;
+    }
+
+    public List<PGPPublicKey> getValidSubkeys() {
+        List<PGPPublicKey> subkeys = new ArrayList<>();
+        Iterator<PGPPublicKey> iterator = getKeys().getPublicKeys();
+        while (iterator.hasNext()) {
+            PGPPublicKey key = iterator.next();
+            if (isKeyValidlyBound(key.getKeyID())) {
+                subkeys.add(key);
+            }
+        }
+        return subkeys;
+    }
+
     @Nonnull
     private RevocationState findRevocationState() {
         PGPSignature revocation = signatures.primaryKeyRevocation;