diff --git a/pgpainless-core/src/main/java/org/pgpainless/encryption_signing/EncryptionResult.java b/pgpainless-core/src/main/java/org/pgpainless/encryption_signing/EncryptionResult.java
index 566238d3..d1bc3d7f 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/encryption_signing/EncryptionResult.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/encryption_signing/EncryptionResult.java
@@ -11,6 +11,7 @@ import java.util.Set;
 import javax.annotation.Nonnull;
 
 import org.bouncycastle.openpgp.PGPLiteralData;
+import org.bouncycastle.openpgp.PGPPublicKeyRing;
 import org.bouncycastle.openpgp.PGPSignature;
 import org.pgpainless.algorithm.CompressionAlgorithm;
 import org.pgpainless.algorithm.StreamEncoding;
@@ -130,6 +131,25 @@ public final class EncryptionResult {
         return PGPLiteralData.CONSOLE.equals(getFileName());
     }
 
+    /**
+     * Returns true, if the message was encrypted for at least one subkey of the given certificate.
+     *
+     * @param certificate certificate
+     * @return true if encrypted for 1+ subkeys, false otherwise.
+     */
+    public boolean isEncryptedFor(PGPPublicKeyRing certificate) {
+        for (SubkeyIdentifier recipient : recipients) {
+            if (certificate.getPublicKey().getKeyID() != recipient.getPrimaryKeyId()) {
+                continue;
+            }
+
+            if (certificate.getPublicKey(recipient.getSubkeyId()) != null) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * Create a builder for the encryption result class.
      *