Problem in XML Encryption

Hello Experts,
I am trying to invoke the other platform encrypted service.
I imported the public key given by the other platform so that i would be able to encrypt the request.
In the receiver agreement I encrypted the request and decrypted the response using my pvt key.
Using the soapui tool i tested and it failed. It shows the following error.
com.sap.engine.interfaces.messaging.api.exception.MessagingException: com.sap.engine.interfaces.messaging.api.exception.MessagingException: XIAdapter:ADAPTER.SOAP_EXCEPTION:soap fault: weblogic.xml.crypto.encrypt.api.XMLEncryptionException: Unable to resolve encryption key for weblogic.xml.crypto.encrypt.api.EncryptedType{keyInfo=null, cipherData=CipherValue: u0MSUd43Onj/fTW02gFSfV/IbOEkvQ1teKVVxJQd1e8pXS+ZFq04rnx3YIx4fKsEk5pogEF8HHb546plmZFZCca3Wx2mTuPctRK1M9k8uioEqUBQdJHG3f3aheXyYZnhw2vkEv0lHNjbSn7El8NMdzbWB7brpZBU
How shall i solve it.?
Regards,
Kevin
Edited by: Kevin Mascarenhas on Aug 18, 2008 8:19 AM

Hi,
check out this weblog
Setup HTTPS (SSL) for the Sneak Preview SAP NetWeaver 04 ABAP Edition on Windows
go through these links,hope these ll help you to solve your problem
http://www.sap-si.com/files/Security_final_en.pdf
/people/gregor.wolf3/blog
Regards,
Surya

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