1 files changed, 13 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CachedPublicKey.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CachedPublicKey.java
index 2862b21c5..c1d866fba 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CachedPublicKey.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CachedPublicKey.java
@@ -11,6 +11,7 @@ import org.spongycastle.openpgp.operator.jcajce.JcePublicKeyKeyEncryptionMethodG
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.util.IterableIterator;
 
+import java.security.SignatureException;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.GregorianCalendar;
@@ -157,6 +158,18 @@ public class CachedPublicKey {
         sig.init(contentVerifierBuilderProvider, mKey);
     }
 
+    /** Verify a signature for this pubkey, after it has been initialized by the signer using
+     * initSignature(). This method should probably move into a wrapped PGPSignature class
+     * at some point.
+     */
+    public boolean verifySignature(PGPSignature sig, String uid) throws PGPException {
+        try {
+            return sig.verifyCertification(uid, mKey);
+        } catch (SignatureException e) {
+            throw new PGPException("Error!", e);
+        }
+    }
+
     public byte[] getFingerprint() {
         return mKey.getFingerprint();
     }