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https://issues.apache.org/jira/browse/CXF-8402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17262554#comment-17262554
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Colm O hEigeartaigh commented on CXF-8402:
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[~antelle] - Thanks for that. I submitted a PR here if you could take a look -
[https://github.com/apache/cxf/pull/739]
> JwkUtils::fromECPublicKey returns key coordinates without leading zero
> ----------------------------------------------------------------------
>
> Key: CXF-8402
> URL: https://issues.apache.org/jira/browse/CXF-8402
> Project: CXF
> Issue Type: Bug
> Reporter: Dimitri Witkowski
> Assignee: Colm O hEigeartaigh
> Priority: Major
> Fix For: 3.4.3
>
> Attachments: Main.java, cert.pem, generate.sh,
> image-2021-01-07-09-35-19-811.png
>
>
> Hi!
> {{JwkUtils::fromECPublicKey}} returns key coordinates without leading zeroes
> because it's using {{BigInteger.toByteArray()}}, which returns only necessary
> bytes to encode a big integer value, here:
> [https://github.com/apache/cxf/blob/master/rt/rs/security/jose-parent/jose/src/main/java/org/apache/cxf/rs/security/jose/jwk/JwkUtils.java#L378]
> This causes issues in different libraries, almost everywhere leading zeroes
> are expected to be present so that coordinate length is not changed depending
> on data.
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