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From Jean-Baptiste Onofré (JIRA) <j...@apache.org>
Subject [jira] [Created] (KARAF-5590) SSHD client authentication fails with JDK 1.8.0_161
Date Thu, 01 Feb 2018 15:13:00 GMT
Jean-Baptiste Onofré created KARAF-5590:

             Summary: SSHD client authentication fails with JDK 1.8.0_161
                 Key: KARAF-5590
                 URL: https://issues.apache.org/jira/browse/KARAF-5590
             Project: Karaf
          Issue Type: Bug
          Components: karaf-shell
            Reporter: Jean-Baptiste Onofré
            Assignee: Jean-Baptiste Onofré
             Fix For: 4.0.11, 4.2.0, 4.1.5

After upgrading to JDK 1.8.0_161, the {{bin/client}} fails to connect with:

"java.security.InvalidKeyException: The security strength of SHA-1 digest algorithm is not
sufficient for this key size"

It's related to oracle changed the defaults for DSA keys in jarsigner and keytool in jdk 1.8.151,
see http://www.oracle.com/technetwork/java/javase/8u151-relnotes-3850493.html

I think we can workaround by providing a key to {{bin/client}} and overriding the one in {{etc/org.apache.karaf.shell.cfg}}
configuration file.

At least, it has to be tested.

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