Development of electronic locks using gesture password of smartphone base on RSA algorithm

international conference on applied system innovation(2017)

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Abstract
Based on the Internet of Things (IoT) architecture, a Rivest Shamir Adleman (RSA) algorithm was proposed for use in a novel electronic lock system that can be unlocked using gesture password. In this system, a handheld device (smartphone) is connected to a development board at the receiver-end via Bluetooth; after inputting the gesture password, users can upload the door lock information onto the cloud server via Wi-Fi without having to use their personal computer (PC). This study focused on the use of RSA algorithm for data encryption before initiating Bluetooth transmission. When the receiver-end receives data, the data are decrypted using a microcomputer, which considerably enhances the security of Bluetooth transmission. This study was conducted in four phases: 1. Unlocking application by using gesture password; 2. RSA encryption/decryption; 3. Hardware circuit integration; and 4. Integration of cloud service platform and monitoring system. The results of multiple experiences revealed that the proposed electronic lock system, including Bluetooth pairing and use of gesture password to unlock an application, is easy-to-use, suggesting that it is widely applicable for all age groups, from elderly users to children. In addition, the proposed system functioned normally in password comparison, RSA encryption and decryption, automatic unlocking, cloud uploading, and remote monitoring.
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Key words
RSA,Bluetooth,Internet of Things,Electronic lock
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