Web services send and receive messages in XML syntax with some parts hashed, encrypted or signed, according to the WS-Security standard. In this paper we introduce a model to forma...
: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
Until now in cryptography the term collision was mainly associated with the surjective mapping of different inputs to an equal output of a hash function. Previous collision attack...
The paradigm of mobile agents offers a powerful and flexible ity to develop distributed applications on a high-level of abstraction. One of the most interesting tasks for mobile ag...
Hartmut Vogler, Marie-Luise Moschgath, Thomas Kunk...
In this paper, we introduce a new watermarking system for IP protection on post-layout design phase. Firstly the copyright is encrypted by DES (Data Encryption Standard) and then ...