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基于窄帶物聯(lián)網(wǎng)的鐵路通信網(wǎng)絡(luò )安全加密控制系統設計
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Design of Railway Communication Network Security Encryption Control System Based on Narrowband IoT
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    摘要:

    鐵路通信網(wǎng)絡(luò )在數據傳輸過(guò)程中容易受到網(wǎng)絡(luò )攻擊,降低網(wǎng)絡(luò )的安全性。為了解決這個(gè)問(wèn)題,設計了基于窄帶物聯(lián)網(wǎng)的鐵路通信網(wǎng)絡(luò )安全加密控制系統。以STM32F103為窄帶物聯(lián)網(wǎng)的控制終端芯片,用于采集、處理和分析數據,通過(guò)控制終端與人機接口,使用USART實(shí)現計算機的下載及調試,設計接口數據傳輸電路,采用撥碼開(kāi)關(guān)電路完成輸入端電流信號和電壓信號的切換,并通過(guò)調整電阻尺寸來(lái)校正輸出電壓,實(shí)現數據的高效傳輸。應用窄帶物聯(lián)網(wǎng)加密技術(shù),確保每個(gè)子機構都具備唯一的屬性密鑰,結合AES加密算法將數據加密成密文,通過(guò)逆變換、解密處理,獲取噪聲相位,避免亂序密文影響子密文排序,實(shí)現通信網(wǎng)絡(luò )安全加密控制。由系統測試結果可知:所設計系統信道誤碼率最大值未超過(guò)30%,網(wǎng)絡(luò )吞吐量最大值為260bit/s,具有高效加密控制能力。

    Abstract:

    The railway communication network is prone to network attacks during data transmission, which reduces the security of the network. To address this issue, a railway communication network security encryption control system based on the narrowband Internet of Things was designed. Using STM32F103 as a narrowband IoT control terminal chip, it is used to collect, process, and analyze data. Through the control terminal and human-machine interface, USART is used to download and debug the computer, and an interface data transmission circuit is designed. The input current signal and voltage signal are switched using a dial switch circuit, and the output voltage is corrected by adjusting the resistance size to achieve efficient data transmission. By applying narrowband IoT encryption technology to ensure that each sub organization has a unique attribute key, combined with AES encryption algorithm, the data is encrypted into ciphertext. Through inverse transformation and decryption processing, noise phase is obtained to avoid disordered ciphertext affecting the sorting of sub ciphertexts, and communication network security encryption control is achieved. According to the system testing results, it can be seen that the maximum channel error rate of the designed system does not exceed 30%, and the maximum network throughput is 260bit/s, which has efficient encryption control capability.

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邵瑞強.基于窄帶物聯(lián)網(wǎng)的鐵路通信網(wǎng)絡(luò )安全加密控制系統設計計算機測量與控制[J].,2024,32(9):163-169.

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  • 收稿日期:2023-08-31
  • 最后修改日期:2023-10-08
  • 錄用日期:2023-10-10
  • 在線(xiàn)發(fā)布日期: 2024-10-08
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