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From "Guillaume Nodet (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SSHD-273) Add RFC 6668 (HMAC SHA-2) support
Date Thu, 20 Mar 2014 10:07:47 GMT

    [ https://issues.apache.org/jira/browse/SSHD-273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13941581#comment-13941581
] 

Guillaume Nodet commented on SSHD-273:
--------------------------------------

JSch supports hmac-sha2-512 but not by default.  However, JSch is bugged and using it leads
to a ArrayIndexOutOfBoundsException because JSch uses a size of 100 for small packets and
that's not sufficient to hold the encrypted message.
So it's not really tested with JSch.

> Add RFC 6668 (HMAC SHA-2) support
> ---------------------------------
>
>                 Key: SSHD-273
>                 URL: https://issues.apache.org/jira/browse/SSHD-273
>             Project: MINA SSHD
>          Issue Type: New Feature
>    Affects Versions: 0.10.0
>            Reporter: Kenny Root
>            Assignee: Guillaume Nodet
>             Fix For: 0.10.0
>
>         Attachments: 0001-SSHD-273-Add-RFC-6668-HMAC-SHA-2-support.patch, JSCHMain.java
>
>
> Adds support for HMAC with SHA-2 hashes (SHA-256 and SHA-512) as specified in RFC 6668.
Both HmacSHA256 and HmacSHA512 are added as they are supported by Sun/Oracle JDK, OpenJDK,
and BouncyCastle.



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