A data transmission method and device based on alliance chain
A technology for transmitting devices and data, applied in the blockchain field, can solve problems such as slow encryption and decryption speed, control, and low security of network transmission keys, so as to ensure controllability, security, and recoverability Effect
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[0070] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Some, but not all, embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0071] figure 1 It is a flowchart of a data transfer method based on consortium chain according to an exemplary embodiment, the method is applied to the first node on the block chain, refer to figure 1 As shown, the method includes the following steps:
[0072] S101: Divide the data into several data blocks, use different symmetric keys to correspondingly encrypt the...
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