Abstract. Web services are an important series of industry standards for adding semantics to web-based and XML-based communication, in particular among enterprises. Like the entire...
We provide a survey on security features and threats to existing Instant Messaging (IM) networks and discuss how currently available systems fail to provide adequate security in l...
Standard security notions for encryption schemes do not guarantee any security if the encrypted messages depend on the secret key. Yet it is exactly the stronger notion of security...