RussellSpitzer commented on code in PR #7770:
URL: https://github.com/apache/iceberg/pull/7770#discussion_r1543263029


##########
core/src/main/java/org/apache/iceberg/SnapshotParser.java:
##########
@@ -93,6 +95,16 @@ static void toJson(Snapshot snapshot, JsonGenerator 
generator) throws IOExceptio
       generator.writeNumberField(SCHEMA_ID, snapshot.schemaId());
     }
 
+    if (snapshot.manifestListKeyMetadata() != null) {
+      generator.writeStringField(MANIFEST_LIST_KEY_METADATA, 
snapshot.manifestListKeyMetadata());
+    }
+
+    // TODO discuss: do we need to sign the size value? Or sign the whole 
snapshot?

Review Comment:
   How would this attack work? Wouldn't the user also need the key to encrypt 
the replacement files? I thought we were storing the metadata.json key in the 
catalog so an attacker could replace everything but still not be able to trick 
a client using the catalog.



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