Abstract:Abstract-It has been noticed by many researchers that the speed of ICT advancement in developing, deploying, and using e-government infrastructures is much faster than the development and deployment of security services. Therefore, government organizations are still suffering from the existence and emerging of security risks. One important category of cryptographic primitives that needs to be considered in this respect is the unconditionally secure message authentication codes (or A-codes). These A-codes are c… Show more
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