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  • 學位論文

以動作辨識作為密碼之解鎖系統

A Lock System Using Action Recognition as Password

指導教授 : 林華川
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摘要


本論文實現一種以動作辨識作為密碼之解鎖系統。鎖具端和鑰匙端間採用射頻 模組作無線傳輸,並透過鑰匙端設置的加速度感測器取得鑰匙的轉動方向和角度作 為動作辨識,使用者依照正確的方向將鑰匙轉動至正確角度作為一次密碼輸入,每完成一次正確的動作,鑰匙端和鎖具端通聯一次,使用者需要正確得完成全部的動作,才能使鎖具端完成開鎖。 此外,為了確保無線傳輸時的安全性,本論文在 8 位元微控制器中實現高級加密標準(AES),並可動態改變金鑰,在每次通訊過程透過交換隨機數改變金鑰內容。

並列摘要


The study is to fulfill a lock system using action recognition as password. The locker and the key were adopted an RF module as the wireless transmitter. The accelerometer sensor installed in the key can obtain its direction of rotation and angle as the recognition. The user follows the right direction and rotates the key into the right angle as the password. As long as s/he operates the right action once, the key and the locker will connect once; thus, the user has to complete the whole order to unlock the locker. Besides, in order the ensure security data transmission over a wireless network, the study fulfilled advanced encryption standard (AES) in the 8-bit microcontroller (MCU) and dynamic key exchange; therefore, the key can be changed via exchanging random numbers in each communication.

參考文獻


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