Error decoding signature bytes #355
Description
Similar to #354, but I do not know if it has the same cause/fix.
Please let me know if these tickets are not informative enough. I can try to give more relevant details.
Environment:
- Java 8u144
- sshj 0.21.1
- connecting to Cisco devices (IOS XRs)
ERROR [net.schmizz.concurrent.Promise] <<kex done>> woke to: net.schmizz.sshj.transport.TransportException: error decoding signature bytes.
...
Caused by: net.schmizz.sshj.transport.TransportException: error decoding signature bytes.
at net.schmizz.sshj.transport.TransportException$1.chain(TransportException.java:33)
at net.schmizz.sshj.transport.TransportException$1.chain(TransportException.java:27)
at net.schmizz.concurrent.Promise.deliverError(Promise.java:96)
at net.schmizz.concurrent.Event.deliverError(Event.java:74)
at net.schmizz.concurrent.ErrorDeliveryUtil.alertEvents(ErrorDeliveryUtil.java:34)
at net.schmizz.sshj.transport.KeyExchanger.notifyError(KeyExchanger.java:386)
at net.schmizz.sshj.transport.TransportImpl.die(TransportImpl.java:600)
at net.schmizz.sshj.transport.Reader.run(Reader.java:67)
Caused by: net.schmizz.sshj.common.SSHException: error decoding signature bytes.
at net.schmizz.sshj.common.SSHException$1.chain(SSHException.java:36)
at net.schmizz.sshj.common.SSHException$1.chain(SSHException.java:29)
at net.schmizz.sshj.transport.TransportImpl.die(TransportImpl.java:595)
... 1 common frames omitted
Caused by: net.schmizz.sshj.common.SSHRuntimeException: error decoding signature bytes.
at net.schmizz.sshj.signature.SignatureDSA.verify(SignatureDSA.java:102)
at net.schmizz.sshj.transport.kex.AbstractDHG.next(AbstractDHG.java:85)
at net.schmizz.sshj.transport.KeyExchanger.handle(KeyExchanger.java:358)
at net.schmizz.sshj.transport.TransportImpl.handle(TransportImpl.java:503)
at net.schmizz.sshj.transport.Decoder.decode(Decoder.java:102)
at net.schmizz.sshj.transport.Decoder.received(Decoder.java:170)
at net.schmizz.sshj.transport.Reader.run(Reader.java:59)
Caused by: java.security.SignatureException: error decoding signature bytes.
at org.bouncycastle.jcajce.provider.asymmetric.dsa.DSASigner.engineVerify(Unknown Source)
at java.security.Signature$Delegate.engineVerify(Signature.java:1219)
at java.security.Signature.verify(Signature.java:652)
at net.schmizz.sshj.signature.SignatureDSA.verify(SignatureDSA.java:100)
... 6 common frames omitted