An Approach to Transmit Secret Messages via QR Code
碩士 === 國立臺灣科技大學 === 資訊工程系 === 99 === Encryption is the most frequently used method to secure the transmitted message over unsafe channels. However, ciphertext always looks like random string and can be easily detected by attackers. On the other hand, information hiding technologies utilize the char...
Main Authors: | , |
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Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2011
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Online Access: | http://ndltd.ncl.edu.tw/handle/76004027997891417720 |