Fix NPE when sop generate-key --with-key-password is used with multiple uids

Fixes #351

CHANGELOG.md

@@ -5,6 +5,9 @@ SPDX-License-Identifier: CC0-1.0
 
 # PGPainless Changelog
 
+## 1.3.15-SNAPSHOT
+- Fix crash in `sop generate-key --with-key-password` when more then one user-id is given
+
 ## 1.3.14
 - Bump `bcpg` to `1.72.3`
 - Fix DSA key parameter check

pgpainless-sop/src/main/java/org/pgpainless/sop/GenerateKeyImpl.java

@@ -55,6 +55,7 @@ public class GenerateKeyImpl implements GenerateKey {
             throw new SOPGPException.MissingArg("Missing user-id.");
         }
 
+        Passphrase passphraseCopy = new Passphrase(passphrase.getChars()); // generateKeyRing clears the original passphrase
         PGPSecretKeyRing key;
         try {
              key = PGPainless.generateKeyRing()
@@ -64,7 +65,7 @@ public class GenerateKeyImpl implements GenerateKey {
                 SecretKeyRingEditorInterface editor = PGPainless.modifyKeyRing(key);
 
                 while (userIdIterator.hasNext()) {
-                    editor.addUserId(userIdIterator.next(), SecretKeyRingProtector.unprotectedKeys());
+                    editor.addUserId(userIdIterator.next(), SecretKeyRingProtector.unlockAnyKeyWith(passphraseCopy));
                 }
 
                 key = editor.done();