shangxinli commented on a change in pull request #776: URL: https://github.com/apache/parquet-mr/pull/776#discussion_r415429416
########## File path: parquet-hadoop/src/main/java/org/apache/parquet/crypto/AesCipher.java ########## @@ -90,6 +102,10 @@ // Update last two bytes with new page ordinal (instead of creating new page AAD from scratch) public static void quickUpdatePageAAD(byte[] pageAAD, short newPageOrdinal) { + if (newPageOrdinal < 0) { Review comment: Since this is a public method, can we validate pageAAD also? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org