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BLE encryption method for small medical system

An encryption method and medical system technology, applied in the field of BLE encryption of small medical systems, can solve problems such as being vulnerable to man-in-the-middle attacks

Pending Publication Date: 2022-07-26
浙江荷清柔性电子技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] For this reason, the present invention proposes a kind of BLE encryption method that is used for small-sized medical system, is used for solving the technical problem that is vulnerable to man-in-the-middle attack when the key is negotiated in the prior art, strengthens the security of the system

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  • BLE encryption method for small medical system
  • BLE encryption method for small medical system
  • BLE encryption method for small medical system

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Embodiment Construction

[0034] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] When two parties in the network, Alice and Bob, communicate, generally both parties negotiate a key, and both parties use this key to encrypt the transmitted data to ensure data security. If the key itself is secure, we can generally think that the transmission of data in the channel is secure. This key is called the communication key.

[0036] The negotiation process of the communication key depends on Alice and Bob exchanging information data, and then calculating respectively ...

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Abstract

The invention provides a BLE encryption method for a small medical system, the medical system comprises a gateway device and a medical device, the encryption method comprises the following steps: the gateway device sends a certificate and a first pairing public key to the medical device, the medical device generates a second pairing public key according to the received first pairing public key, and the second pairing public key is matched with the certificate; and sending the second pairing public key to the gateway equipment, so that the gateway equipment generates an encryption key for encrypting the data according to the second pairing public key. Therefore, under the condition that the hardware condition of the small medical equipment is limited and a bypass channel cannot be increased, the technical problem that the key negotiation is easily attacked by a man-in-the-middle is solved through a method of introducing the certificate, so that the security of the system is enhanced.

Description

technical field [0001] The invention relates to the technical field of data security, in particular to a BLE encryption method for a small medical system. Background technique [0002] The Internet of Things (IoT) extends network connectivity from standard computing devices such as desktop computers, laptops, smartphones and tablets to a wider range of physical devices and everyday objects such as vehicles, home appliances, entertainment devices, and more. In the medical field, IoT technology has also been widely used. Because the Bluetooth standard has the advantages of low power consumption and easy deployment, many small medical devices choose Bluetooth as the transmission protocol. [0003] In the related art, Bluetooth low energy, that is, BLE protocol, is used for communication between the Bluetooth gateway and the medical device. BLE devices are paired to establish a secure communication channel. A frequently used pairing method is the Just Works mode in SSP (Secur...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/60A61B5/0205A61B5/318A61B5/145A61B5/00A61B7/04
CPCG06F21/6245G06F21/602A61B5/02055A61B5/14532A61B5/14542A61B7/04
Inventor 叶波王强松李立中
Owner 浙江荷清柔性电子技术有限公司
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