AES算法及其在DSP中优化实现

The AES Algorithm and Its Optimized Implementation in DSP

AES(高级加密标准)是为了取代旧的DES(数据加密标准)而制定的,它具有更高的安全性能。本文简要阐述了AES算法,并为适应信息安全领域中音视频高速数据流所需的实时、现场和透明加密的要求,探讨了AES算法的优化问题。最后,本文给出了优化AES在DSP中的具体实现。

For replacing the old DES（Data Encryption Standard）, the AES（Advanced Encryption Standard） is put forward, and it has higher security. In this paper, the AES algorithm is expounded in brief. Furthermore, the topic about optimized AES is proposed to satisfy the encryption demand of real-time, field and transparency, such as audio and video data flow in the field of information security. The technique to implement the optimized AES rapidly in DSP by software is studled in practice.