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https://issues.apache.org/jira/browse/SSHD-984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17094609#comment-17094609
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Thomas Wolf commented on SSHD-984:
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Attachment done. Enjoy!
> Utility method to export KeyPair in OpenSSH format
> --------------------------------------------------
>
> Key: SSHD-984
> URL: https://issues.apache.org/jira/browse/SSHD-984
> Project: MINA SSHD
> Issue Type: New Feature
> Affects Versions: 2.4.0
> Reporter: David Ostrovsky
> Priority: Minor
> Attachments: sshd_key_writing.zip
>
>
> There are ongoing efforts in Gerrit Code Review and JGit projects to remove
> dependency on JSch library: [1], [2]. Instead, MINA SSSD should be used on
> both: client and server sides.
> One difficulty we are facing is the fact the MINA SSHD currently doesn't
> provide any means to export generated KeyPair in OpenSSH format.
> Thomas Wolf added recently the ability to read encrypted OpenSSH private keys
> in context of SSHD-708.
> With JSch this code would do the job:
> {code:java}
> public static com.jcraft.jsch.KeyPair genSshKey() throws JSchException {
> JSch jsch = new JSch();
> return KeyPair.genKeyPair(jsch, KeyPair.ECDSA, 256);
> }
> public static String publicKey(com.jcraft.jsch.KeyPair sshKey, @Nullable
> String comment)
> throws UnsupportedEncodingException {
> ByteArrayOutputStream out = new ByteArrayOutputStream();
> sshKey.writePublicKey(out, comment);
> return out.toString(US_ASCII.name()).trim();
> }
> public static byte[] privateKey(com.jcraft.jsch.KeyPair keyPair) {
> ByteArrayOutputStream out = new ByteArrayOutputStream();
> keyPair.writePrivateKey(out);
> return out.toByteArray();
> }
> {code}
> [1] [https://bugs.eclipse.org/bugs/show_bug.cgi?id=540727]
> [2] [https://bugs.chromium.org/p/gerrit/issues/detail?id=12599]
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