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Posted to issues-all@impala.apache.org by "Wenzhe Zhou (Jira)" <ji...@apache.org> on 2020/10/02 03:57:00 UTC

[jira] [Created] (IMPALA-10207) Replace MD5 hash with SHA-512 for lineage graph

Wenzhe Zhou created IMPALA-10207:
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             Summary: Replace MD5 hash with SHA-512 for lineage graph
                 Key: IMPALA-10207
                 URL: https://issues.apache.org/jira/browse/IMPALA-10207
             Project: IMPALA
          Issue Type: Improvement
          Components: Frontend
    Affects Versions: Impala 4.0
            Reporter: Wenzhe Zhou
            Assignee: Wenzhe Zhou


To support FIPS, we have to use FIPS-approved algorithms. We use MD5 hash algorithms for lineage graph. But MD5 is one of forbidden algorithms. We have to replace MD5 with FIPS-approved algorithms, like SHA-512. 

We might need to figure out if there are external dependencies on the hash. e.g. the lineage graph was consumed by component services, and maybe they somehow rely on the hash being consistent across versions (seems unlikely).



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