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https://issues.apache.org/jira/browse/HIVE-17226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tao Li updated HIVE-17226:
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Status: Patch Available (was: Open)
> 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
> Attachments: HIVE-17226.1.patch
>
>
> 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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