Hi,
I'm working on an interactive SSH Client which supports
Public-Key-Authentication. This worked fine until newer Versions of jsch
(perhaps it worked until 0.1.48, I don't know when I tested it the last
time). I am able to load private keys, but I can't unload them again.
$ pwd
/tmp/ssh
$ ssh-keygen -f /tmp/ssh/id_rsa -N password > /dev/null
$ rm id_rsa.pub
$ ls
id_rsa jsch-0.1.49.jar Test.java
$ cat Test.java
public class Test {
public static void main(final String[] args) throws Exception {
final String keyfile = "/tmp/ssh/id_rsa";
final com.jcraft.jsch.JSch jsch = new com.jcraft.jsch.JSch();
System.out.println(jsch.getIdentityNames().size()); // 0
jsch.addIdentity(keyfile);
System.out.println(jsch.getIdentityNames().size()); // 1
System.out.println(jsch.getIdentityNames().get(0).equals(
keyfile)); // true
jsch.removeIdentity(keyfile);
System.out.println(jsch.getIdentityNames().size()); // 1
}
}
$ javac -cp jsch-0.1.49.jar Test.java && java -cp jsch-0.1.49.jar:. Test
Note: Test.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
0
1
true
1
I know that removeIdentity(String) is deprecated and I would use
removeIdentity(Identity) instead. But I found no way to enumerate all
Identities (I only know getIdentityNames) and by looking at the source
of removeIdentity(Identity) I assume the problem would be the same.
What is the correct way to load and unload private keys? Is this only
possible if the public key resists in the same directory?
Thank you!
Jochen Wierum
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