From 94d9efa1e7c123445b24754fec13631672f6d4fa Mon Sep 17 00:00:00 2001
From: Paul Schaub <vanitasvitae@fsfe.org>
Date: Mon, 2 Jan 2023 13:12:14 +0100
Subject: [PATCH] OpenPgpMessageInputStream: Ignore non-integrity-protected
 data if configured

---
 .../decryption_verification/OpenPgpMessageInputStream.java  | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.java b/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.java
index c26c949b..bb5d67b3 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.java
@@ -409,8 +409,10 @@ public class OpenPgpMessageInputStream extends DecryptionStream {
         PGPEncryptedDataList encDataList = packetInputStream.readEncryptedDataList();
 
         if (!encDataList.isIntegrityProtected()) {
-            LOGGER.debug("Symmetrically Encrypted Data Packet is not integrity-protected and is therefore rejected.");
-            throw new MessageNotIntegrityProtectedException();
+            LOGGER.warn("Symmetrically Encrypted Data Packet is not integrity-protected.");
+            if (!options.isIgnoreMDCErrors()) {
+                throw new MessageNotIntegrityProtectedException();
+            }
         }
 
         SortedESKs esks = new SortedESKs(encDataList);