Binding Request : Buderus web gateway

I did today a clean fresh installation of a oh2 on a pi3.
I copied over from another pi3 the binding and the config.

I am getting following errors:

2017-01-18 16:17:05.037 [INFO ] [.binding.km200.internal.KM200Binding] - Update KM200 Binding configuration, it takes a minute....
2017-01-18 16:17:05.042 [INFO ] [.binding.km200.internal.KM200Binding] - Starting communication test..
2017-01-18 16:17:05.095 [INFO ] [.binding.km200.internal.KM200Binding] - Deactivated
2017-01-18 16:17:05.240 [INFO ] [.binding.km200.internal.KM200Binding] - Received data..
2017-01-18 16:17:05.241 [INFO ] [.binding.km200.internal.KM200Binding] - Activated
2017-01-18 16:17:05.254 [ERROR] [hab.binding.km200.internal.KM200Comm] - Exception on encoding: {}
java.security.InvalidKeyException: Illegal key size or default parameters
	at javax.crypto.Cipher.checkCryptoPerm(Cipher.java:1026)[:1.8.0_60]
	at javax.crypto.Cipher.implInit(Cipher.java:801)[:1.8.0_60]
	at javax.crypto.Cipher.chooseProvider(Cipher.java:864)[:1.8.0_60]
	at javax.crypto.Cipher.init(Cipher.java:1249)[:1.8.0_60]
	at javax.crypto.Cipher.init(Cipher.java:1186)[:1.8.0_60]
	at org.openhab.binding.km200.internal.KM200Comm.decodeMessage(KM200Comm.java:260)[229:org.openhab.binding.km200:1.9.0.201701180918]
	at org.openhab.binding.km200.internal.KM200Binding.updated(KM200Binding.java:161)[229:org.openhab.binding.km200:1.9.0.201701180918]
	at org.apache.felix.cm.impl.helper.ManagedServiceTracker.updated(ManagedServiceTracker.java:189)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.helper.ManagedServiceTracker.updateService(ManagedServiceTracker.java:152)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.helper.ManagedServiceTracker.provideConfiguration(ManagedServiceTracker.java:85)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.provide(ConfigurationManager.java:1461)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run(ConfigurationManager.java:1417)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:141)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:109)[3:org.apache.felix.configadmin:1.8.12]
	at java.lang.Thread.run(Thread.java:745)[:1.8.0_65]
2017-01-18 16:17:05.257 [ERROR] [org.apache.felix.configadmin        ] - [org.osgi.service.cm.ManagedService, org.osgi.service.event.EventHandler, id=389, unregistered]: Unexpected problem updating configuration org.openhab.km200
java.lang.RuntimeException: Decoding of the KM200 message is not possible!
	at org.openhab.binding.km200.internal.KM200Binding.updated(KM200Binding.java:163)[229:org.openhab.binding.km200:1.9.0.201701180918]
	at org.apache.felix.cm.impl.helper.ManagedServiceTracker.updated(ManagedServiceTracker.java:189)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.helper.ManagedServiceTracker.updateService(ManagedServiceTracker.java:152)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.helper.ManagedServiceTracker.provideConfiguration(ManagedServiceTracker.java:85)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.provide(ConfigurationManager.java:1461)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run(ConfigurationManager.java:1417)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:141)[3:org.apache.felix.configadmin:1.8.12]
	at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:109)[3:org.apache.felix.configadmin:1.8.12]
	at java.lang.Thread.run(Thread.java:745)[:1.8.0_65]
2017-01-18 16:17:05.261 [INFO ] [.binding.km200.internal.KM200Binding] - Update KM200 Binding configuration, it takes a minute....
2017-01-18 16:17:05.265 [INFO ] [.binding.km200.internal.KM200Binding] - Starting communication test..
2017-01-18 16:17:05.460 [INFO ] [.binding.km200.internal.KM200Binding] - Received data..
2017-01-18 16:17:05.464 [ERROR] [hab.binding.km200.internal.KM200Comm] - Exception on encoding: {}
java.security.InvalidKeyException: Illegal key size or default parameters
	at javax.crypto.Cipher.checkCryptoPerm(Cipher.java:1026)[:1.8.0_60]
	at javax.crypto.Cipher.implInit(Cipher.java:801)[:1.8.0_60]
	at javax.crypto.Cipher.chooseProvider(Cipher.java:864)[:1.8.0_60]
	at javax.crypto.Cipher.init(Cipher.java:1249)[:1.8.0_60]

What did I wrong? Missed something to install?