From 4c237d55ed8743bb8c5767df6baff6290d30055c Mon Sep 17 00:00:00 2001
From: Paul Schaub <vanitasvitae@fsfe.org>
Date: Thu, 28 Sep 2023 11:29:54 +0200
Subject: [PATCH] Add note about deprecation to BaseSignatureSubpackets

---
 .../signature/subpackets/BaseSignatureSubpackets.java    | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pgpainless-core/src/main/java/org/pgpainless/signature/subpackets/BaseSignatureSubpackets.java b/pgpainless-core/src/main/java/org/pgpainless/signature/subpackets/BaseSignatureSubpackets.java
index 28e99b9e..09fe1a99 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/signature/subpackets/BaseSignatureSubpackets.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/signature/subpackets/BaseSignatureSubpackets.java
@@ -35,6 +35,15 @@ public interface BaseSignatureSubpackets {
 
     }
 
+    /**
+     * Add both an {@link IssuerKeyID} and {@link IssuerFingerprint} subpacket pointing to the given key.
+     *
+     * @param key key
+     * @return this
+     *
+     * @deprecated this method MUST NOT be used for OpenPGP v6, since v6 signatures MUST NOT contain any
+     * {@link IssuerKeyID} packets.
+     */
     BaseSignatureSubpackets setIssuerFingerprintAndKeyId(PGPPublicKey key);
 
     BaseSignatureSubpackets setIssuerKeyId(long keyId);