The acoustic encryption transmission system based on improved DEA
The system adopts the improved data encryption algorithm(DEA), and the hardware encryption system is constructed by complex programmable logic device(CPLD) chip EPM570. After frequency modulation, the acoustic signal is encrypted by key and sent to the receiving end. The receiving end is filtered an...
| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
| Published: |
National Computer System Engineering Research Institute of China
2019-04-01
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| Series: | Dianzi Jishu Yingyong |
| Subjects: | |
| Online Access: | http://www.chinaaet.com/article/3000100596 |