Decryption method and system based on aes algorithm
An algorithm and ciphertext technology, applied in the field of network communication, can solve problems such as decryption errors and second packet discarding, and achieve the effects of ensuring security, not affecting chip bandwidth, and reducing the probability of discarding
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[0043] The present invention will be described in detail below with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the protection scope of the present invention.
[0044] like figure 1 As shown, in an embodiment of the present invention, the decryption method based on the Aes algorithm includes:
[0045]S1. Receive the ciphertext, and obtain the original authentication label carried by the ciphertext and the corresponding key index.
[0046] After the packet starts to be sent, each ciphertext in the packet is acquired in turn, and each packet is parsed to obtain the original authentication label and the corresponding key index carried by each ciphertext.
[0047] S2, at the sop moment of the current ciphertext, search the initial vector memory corresponding t...
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