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From "Lyor Goldstein (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SSHD-704) Add support for curve25519-sha256@libssh.org key exchange
Date Sun, 25 Oct 2020 16:40:00 GMT

    [ https://issues.apache.org/jira/browse/SSHD-704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17220328#comment-17220328
] 

Lyor Goldstein commented on SSHD-704:
-------------------------------------

{quote}
I just noticed that there's JEP 339 proposed for Java 15 which will finally add standard support
for EdDSA/Ed25519/Ed448 which will likely be the fastest way to use it in Java once available.
Similar to how JEP 324 added X25519/X448 support.
{quote}
While it is good news, it may take some time for us to increase the base required version
beyond Java 8. That being said, the code could possibly somehow auto-detect if it is running
on Java 9+ and adjust accordingly - though it must still compile only with Java 8 - so any
new classes cannot be referenced directly in the code...

> Add support for curve25519-sha256@libssh.org  key exchange
> ----------------------------------------------------------
>
>                 Key: SSHD-704
>                 URL: https://issues.apache.org/jira/browse/SSHD-704
>             Project: MINA SSHD
>          Issue Type: Improvement
>    Affects Versions: 1.4.0
>            Reporter: Lyor Goldstein
>            Priority: Major
>              Labels: features
>         Attachments: Curve25519.java, Curve25519SHA256AbstractDH.java, Curve25519SHA256DHFactory.java,
Curve25519SHA256KeyExchange.java, Curve25519SHA256KeyExchangeFactory.java
>
>
> See
> * [curve25519-sha256@libssh.org kexy exchange specification|https://git.libssh.org/projects/libssh.git/tree/doc/curve25519-sha256@libssh.org.txt]
> * [Secure Shell (SSH) Key Exchange Method using Curve25519 and Curve448|https://tools.ietf.org/html/draft-ietf-curdle-ssh-curves-06]
> * [JEP 324: Key Agreement with Curve25519 and Curve448|http://openjdk.java.net/jeps/324]



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