Information transmission method, information transmission system, first device and second device
A transmission method and equipment technology, which is applied in the field of communication, can solve the problems such as the key is easy to be cracked, and achieve the effects of ensuring non-fixability, ensuring that it is not easy to be cracked, and reducing the amount of calculation
Inactive Publication Date: 2020-09-29
GUANGDONG BOZHILIN ROBOT CO LTD
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Problems solved by technology
[0007] The main purpose of this application is to provide an information transmission method, an information transmission system, a first device, a second device, a computer program and a storage medium, so as to solve the problem that the key in the communication process in the prior art is easily cracked question
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[0032] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.
[0033] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.
[0034] It should be noted that the terms "first" and "second...
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The invention provides an information transmission method, an information transmission system, first equipment and second equipment, and the method comprises the steps that the first equipment transmits first secret key data, and the first secret key data comprises a first random secret key; under the condition that the second equipment determines that the first secret key data is received, the second equipment sends out second secret key data, and the second secret key data comprises a second random secret key; under the condition that the first equipment determines that the second secret keydata is received, the first equipment determines a mixed secret key only according to the first random secret key, the second random secret key and a random encryption algorithm; the second equipmentdetermines a hybrid key only according to the first random key, the second random key and a random encryption algorithm; encrypted data communication is carried out between the first equipment and the second equipment, the encrypted data is obtained by adopting a mixed secret key for encryption, and bidirectional random encryption of the communication data between the first equipment and the second equipment is realized.
Description
technical field [0001] The present application relates to the communication field, and in particular, relates to an information transmission method, an information transmission system, a first device, a second device, a computer program, and a storage medium. Background technique [0002] For the communication between the master and slave devices, it is generally necessary to use a key for encryption and decryption. In the prior art, keys are generally generated in the following two ways: [0003] 1) Both master and slave are fixed in the program to generate a fixed symmetric key, and then encrypt and decrypt data based on this symmetric key; [0004] 2) The key is set unidirectionally by the master and sent to the slave, and the communication keys of the master and slave devices in multiple groups will be consistent. [0005] The keys generated by the above two methods are easy to be cracked, and communication data is easy to be forged, which will adversely affect the sec...
Claims
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IPC IPC(8): H04L29/06H04L9/08
CPCH04L63/045H04L63/06H04L9/0861H04L9/0869
Inventor 吴远福
Owner GUANGDONG BOZHILIN ROBOT CO LTD