CN114040366B - Bluetooth connection encryption method with high network communication security - Google Patents
Bluetooth connection encryption method with high network communication security Download PDFInfo
- Publication number
- CN114040366B CN114040366B CN202111113224.XA CN202111113224A CN114040366B CN 114040366 B CN114040366 B CN 114040366B CN 202111113224 A CN202111113224 A CN 202111113224A CN 114040366 B CN114040366 B CN 114040366B
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- encryption algorithm
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- bluetooth
- des
- encryption
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- 238000004891 communication Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000005457 optimization Methods 0.000 abstract description 5
- 238000012795 verification Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
- H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
Abstract
The invention discloses a Bluetooth connection encryption method with high network communication security, which comprises the following steps: (1) enabling a device to establish Bluetooth connection with b device; (2) When Bluetooth data is transmitted between a device and a device b, the same encryption and decryption keys are established for 64bit data plaintext by using a DES encryption algorithm, encryption is carried out, and then the keys are encrypted by using an RSA encryption algorithm; (3) Then transmitting the ciphertext and the RSA encrypted secret key to a receiver; (4) After receiving the data packet, the receiver decrypts RSA to obtain DES key and then decrypts ciphertext to obtain plaintext. The invention combines the DES encryption algorithm and the RSA encryption algorithm, fully utilizes the advantages of the DES encryption algorithm and the RSA encryption algorithm, greatly improves the communication safety of the Bluetooth network, carries out PIN code verification optimization on the hybrid encryption algorithm, solves the safety problem of data transmission of non-designated equipment, and effectively protects false data packets.
Description
Technical Field
The invention relates to the field of network communication security, in particular to a Bluetooth connection encryption method with high network communication security.
Background
With the increase of bluetooth devices, bluetooth gateways capable of controlling a large number of bluetooth devices in an area are gradually required, such as: the environment of enterprises, campuses, hospitals and the like is greatly required. The information transmitted in the bluetooth network communication is so large that the security of the bluetooth network communication becomes very important.
The existing common Bluetooth encryption algorithm comprises a DES encryption algorithm and an RSA encryption algorithm, the security of the DES encryption algorithm is not very high, but the information transmission efficiency for large data volume is very high, and the security of the RSA encryption algorithm is very high but the calculation speed is relatively slow.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a Bluetooth connection encryption method with high network communication security, which combines a DES and RSA hybrid encryption algorithm, performs PIN code verification optimization on the hybrid encryption algorithm, and greatly improves the Bluetooth network communication security.
The technical scheme of the invention is as follows:
a Bluetooth connection encryption method with high network communication security comprises the following steps:
(1) Enabling the equipment a and the equipment b to establish Bluetooth connection;
(2) When Bluetooth data is transmitted between a device and a device b, the same encryption and decryption keys are established for 64bit data plaintext by using a DES encryption algorithm, encryption is carried out, and then the keys are encrypted by using an RSA encryption algorithm;
(3) Then transmitting the ciphertext and the RSA encrypted secret key to a receiver;
(4) After receiving the data packet, the receiver decrypts RSA to obtain DES key and then decrypts ciphertext to obtain plaintext.
Further, in step (2), a check code is added in the bluetooth data transmission between the a device and the b device, and the check code is also encrypted and transmitted by using a DES encryption algorithm.
Further, the check code is composed of a Mac address of the a equipment, a Mac address of the b equipment and a Bluetooth connection PIN code established between the a equipment and the b equipment.
Further, in step (4), after receiving the data packet, the receiver needs to check the check code, and if the check code is incorrect, data transmission and access are refused.
Compared with the prior art, the invention has the beneficial effects that: the invention combines the DES encryption algorithm and the RSA encryption algorithm, fully utilizes the advantages of the DES encryption algorithm and the RSA encryption algorithm, greatly improves the communication safety of the Bluetooth network, carries out PIN code verification optimization on the hybrid encryption algorithm, solves the safety problem of data transmission of non-designated equipment, and effectively protects false data packets.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a bluetooth connection encryption method with high network communication security.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In order to illustrate the technical scheme of the invention, the following description is made by specific examples.
Examples
Referring to fig. 1, the embodiment of the invention provides a bluetooth connection encryption method with high network communication security, which combines DES and RSA hybrid encryption algorithms, and performs PIN code verification optimization on the hybrid encryption algorithm, thereby greatly improving the bluetooth network communication security, and specifically, the method comprises the following steps:
step (1): enabling the equipment a and the equipment b to establish Bluetooth connection;
step (2): when Bluetooth data is transmitted between a device and a device b, the same encryption and decryption keys are established for 64bit data plaintext by using a DES encryption algorithm, encryption is carried out, and then the keys are encrypted by using an RSA encryption algorithm;
the check code is added in the Bluetooth data transmission between the a equipment and the b equipment, and the check code is also encrypted and transmitted by using a DES encryption algorithm, and consists of a Mac address of the a equipment, a Mac address of the b equipment and a Bluetooth connection PIN code established between the a equipment and the b equipment, for example: the Mac address of the equipment a is A, the Mac address of the equipment B is B, the PIN code of the Bluetooth connection established by the equipment a and the equipment B is C, and the check code is 'A' + 'B' + 'C';
step (3): then transmitting the ciphertext and the RSA encrypted secret key to a receiver;
step (4): after receiving the data packet, the receiver decrypts RSA to obtain a DES key and then decrypts ciphertext to obtain plaintext;
and after receiving the data packet, the receiver also needs to check the check code, and refuses data transmission and access if the check code is incorrect.
In summary, the Bluetooth connection encryption method with high network communication security combines the DES encryption algorithm and the RSA encryption algorithm, fully utilizes the advantages of the DES encryption algorithm and the RSA encryption algorithm, greatly improves the Bluetooth network communication security, performs PIN code verification optimization on the hybrid encryption algorithm, solves the security problem of data transmission of non-designated equipment, and effectively protects false data packets.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (1)
1. The Bluetooth connection encryption method with high network communication security is characterized by comprising the following steps:
(1) Enabling the equipment a and the equipment b to establish Bluetooth connection;
(2) When Bluetooth data is transmitted between a device and B device, the same encryption and decryption key is established for 64bit data plaintext by using a DES encryption algorithm, encryption is carried out on the key by using an RSA encryption algorithm, a check code is added in Bluetooth data transmission between the a device and the B device, the check code is also encrypted and transmitted by using the DES encryption algorithm, the check code consists of Mac address of the a device, mac address of the B device and Bluetooth connection PIN code established between the a device and the B device, mac address of the a device is set as A, mac address of the B device is set as B, bluetooth connection PIN code established between the a device and the B device is set as C, and the check code is set as 'A' + 'B' + 'C';
(3) Then transmitting the ciphertext and the RSA encrypted secret key to a receiver;
(4) After receiving the data packet, the receiver decrypts RSA to obtain DES key and then decrypts ciphertext to obtain plaintext, wherein the receiver needs to check the check code after receiving the data packet, and refuses data transmission and access if the check code is incorrect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111113224.XA CN114040366B (en) | 2021-09-22 | 2021-09-22 | Bluetooth connection encryption method with high network communication security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111113224.XA CN114040366B (en) | 2021-09-22 | 2021-09-22 | Bluetooth connection encryption method with high network communication security |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114040366A CN114040366A (en) | 2022-02-11 |
| CN114040366B true CN114040366B (en) | 2024-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111113224.XA Active CN114040366B (en) | 2021-09-22 | 2021-09-22 | Bluetooth connection encryption method with high network communication security |
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| Country | Link |
|---|---|
| CN (1) | CN114040366B (en) |
Citations (12)
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| CN114040366A (en) | 2022-02-11 |
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