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https://issues.apache.org/jira/browse/LUCENENET-175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680597#action_12680597
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Torsten Rendelmann commented on LUCENENET-175:
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Sure: "COMPLIANT" is the correct name.
Another option would be to add a global (static?) configuration option to set
FIPS compliance (default: false, JAVA compat.) by code. So no one have to
recompile for the specific feature. But for that I did not know the code base
enough to suggest how to proceed.
> Add FIPS compliance to lucene.net
> ---------------------------------
>
> Key: LUCENENET-175
> URL: https://issues.apache.org/jira/browse/LUCENENET-175
> Project: Lucene.Net
> Issue Type: Improvement
> Environment: CLR 2.0; DOT.NET
> Reporter: Torsten Rendelmann
> Attachments: FIPS_COMLIANCE.patch
>
> Original Estimate: 0.25h
> Remaining Estimate: 0.25h
>
> The FSDirectory.cs is the only place it have to be modified to apply FIPS
> compliance.
> I think, changing to use a FIPS compliant algorithm in general for the NET
> port of lucene to calc the lock
> file name is "safe" (mean: java-compat.) - the only case where I can see the
> may have to use the same algorithm is if a java-lucene impl. access the
> index with a writer at the same time as lucene.net - that would be rarely
> the case: writing to the same index is only allowed by one writer.
> First change required was to switch
> private static System.Security.Cryptography.MD5 DIGESTER; to
> private static readonly System.Security.Cryptography.HashAlgorithm DIGESTER;
> Last change is this:
> #if FIPS_COMLIANT
> // use a FIPS compliant algorithm (see
> also
> http://blog.aggregatedintelligence.com/2007/10/fips-validated-cryptographic-algorithms.html
> )
> DIGESTER =
> System.Security.Cryptography.SHA1.Create();
> #else
> // use the java compatible hash
> algorithm:
> DIGESTER =
> System.Security.Cryptography.MD5.Create();
> #endif
> I will attach the .patch to.
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