David Ostrovsky created SSHD-984:
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Summary: 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
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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