1 files changed, 11 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/KeyRing.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/KeyRing.java
index cfbad89b7..dc0c722b9 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/KeyRing.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/KeyRing.java
@@ -2,6 +2,17 @@ package org.sufficientlysecure.keychain.pgp;
 
 import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
 
+/** An abstract KeyRing.
+ *
+ * This is an abstract class for all KeyRing constructs. It serves as a common
+ * denominator of available information, two implementations wrapping the same
+ * keyring should in all cases agree on the output of all methods described
+ * here.
+ *
+ * @see org.sufficientlysecure.keychain.pgp.WrappedKeyRing
+ * @see org.sufficientlysecure.keychain.provider.CachedPublicKeyRing
+ *
+ */
 public abstract class KeyRing {
 
     abstract public long getMasterKeyId() throws PgpGeneralException;