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https://issues.apache.org/jira/browse/SSHD-934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on SSHD-934 started by Goldstein Lyor.
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> Invalid public key encoding of certain ecdsa-sha2-nistpX host keys
> ------------------------------------------------------------------
>
> Key: SSHD-934
> URL: https://issues.apache.org/jira/browse/SSHD-934
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 1.2.0, 2.1.0
> Reporter: Louis Berube
> Assignee: Goldstein Lyor
> Priority: Major
> Attachments: ECDSA-encode-decode-junit-fragment.txt
>
>
> There appears to be an error in encoding the public part of certain ECDSA
> host key values. The bug has been found to affect the ecdsa-sha2-nistpX host
> key algorithms.
> The bug affects the different ECDSA host key types to different degrees.
> Usually when one generates a host key value it will work okay. However, if
> one repeatedly generates new host key values then eventually a value will be
> generated for which the encoding is not calculated correctly:
> * For ecdsa-sha2-nistp512: within ~10 repetitions
> * For ecdsa-sha2-nistp256: within ~200 repetitions
> * For ecdsa-sha2-nistp384: within ~1000 repetitions
> The attached Junit test code fragment was used to generate the above
> statistics.
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