Implementation Of The Voice Encryption Communication With AES Algorithm Based On FPGA

Voice communication is a common method to exchange information. But this method is being threatened by modern communication’s development. As voice communication covers many aspects of communication and it is applied very widely, the study to make security of this method has magnificent value.AES algorithm is the most outstanding one of many data encryption algorithms. Its solid reliability and simplicity laid great foundation for its use in multiple platforms and across the fields. In this paper, we designed a solution based on AES which satisfied the need of voice communication. It also has solid reliability and can be realized quickly.Firstly, in this paper, it is a description for voice encryption communication application which shows the importance no matter in daily life or under special condition. Second, it is a discussion about AES algorithm theory. In this discussion, we come out with a optimized algorithm. Based on AES algorithm character, a solution applied in voice encryption is proposed. This solution combined G.729A codec and CRC check. We make a simulation about the solution. The result verify its function and effectiveness. There is a detail description about the solution’s hardware implication, which analyze each part’s function and implication method. In last, we test and verify the accuracy of the solution by simulation.