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Posted to dev@mina.apache.org by "Sandeep (Jira)" <ji...@apache.org> on 2020/07/10 11:58:00 UTC
[jira] [Commented] (SSHD-1007) Do we support 1536 size
keyGeneration in sdd or rsa?
[ https://issues.apache.org/jira/browse/SSHD-1007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17155401#comment-17155401 ]
Sandeep commented on SSHD-1007:
-------------------------------
[~lgoldstein]
The following are the 2 sample method to generate 1536 key. The first one is working fine, I can see RSA with 1536 key is generated. But If I run 2nd method for DSA key for 1536 then it through reception. The exception log is attached. [^dsa_1536_exception_log]
*Exception log error says "strength must be from 512 - 4096 and a multiple of 1024 above 1024" so, it means apache will not support DSA key with 1536 size right?*
*1st :*
@Test
public void generateRSAKey() {
try {
KeyPair rsa_key = KeyUtils.generateKeyPair(KeyPairProvider.SSH_RSA, 1536);
System.out.println("Public ket Type : " + rsa_key.getPublic().getAlgorithm());
} catch (GeneralSecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
*2nd:*
@Test
public void generateDSAKey() {
try {
KeyPair dss_key = KeyUtils.generateKeyPair(KeyPairProvider.SSH_DSS, 1536);
System.out.println("Public ket Type : " + dss_key.getPublic().getAlgorithm());
} catch (GeneralSecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
> Do we support 1536 size keyGeneration in sdd or rsa?
> ----------------------------------------------------
>
> Key: SSHD-1007
> URL: https://issues.apache.org/jira/browse/SSHD-1007
> Project: MINA SSHD
> Issue Type: Question
> Reporter: Sandeep
> Priority: Major
> Attachments: dsa_1536_exception_log, image-2020-05-29-13-18-50-682.png, image-2020-05-29-13-19-25-273.png
>
>
> Our client has exiting system where they are creating 1536 size key for dss and rsa.
> But in sshd when i try it, it show exception.
> Can you help me for this?
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