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Posted to issues@hive.apache.org by "Andrew Sherman (JIRA)" <ji...@apache.org> on 2017/08/02 17:17:01 UTC

[jira] [Commented] (HIVE-17226) Use strong hashing as security improvement

    [ https://issues.apache.org/jira/browse/HIVE-17226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16111345#comment-16111345 ] 

Andrew Sherman commented on HIVE-17226:
---------------------------------------

Will this create any problems with incompatibility?


> Use strong hashing as security improvement
> ------------------------------------------
>
>                 Key: HIVE-17226
>                 URL: https://issues.apache.org/jira/browse/HIVE-17226
>             Project: Hive
>          Issue Type: Improvement
>          Components: Security
>            Reporter: Tao Li
>            Assignee: Tao Li
>
> There have been 2 places identified where weak hashing needs to be replaced by SHA256.
> 1. CookieSigner.java uses MessageDigest.getInstance("SHA"). Mostly SHA is mapped to SHA-1, which is not secure enough according to today's standards. We should use SHA-256 instead.
> 2. GenericUDFMaskHash.java uses DigestUtils.md5Hex. MD5 is considered weak and should be replaced by DigestUtils.sha256Hex.



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