Blockchain-based intelligent data rapid encryption transmission system
An encrypted transmission and data encryption technology, applied in the blockchain field, can solve problems such as low speed, being stolen, and existing risks, so as to improve security, reduce risks, and improve the effect of being easily stolen
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[0050] Embodiment 1: Randomly set a prime number P=4049, the original element r=3 of the prime number P module, and randomly set a number a=5 for the user terminal 1, through the formula Calculate and obtain the public key X=243 of a book in the library, randomly set a number b=6 for client 2, and use the formula Calculate and obtain the public key Y of another book of the same type = 729, client 1 and client 2 exchange key X and key Y through plaintext, according to the formula Calculate the secret key K of client 1 = 2239, according to the formula Calculate the secret key K'=K=2239 of client 2, even if P, r, X and Y are intercepted by the eavesdropper, it is difficult to deduce a and b mathematically, so the eavesdropper cannot obtain the secret key K and K', send the public key and secret key K to the authenticated user who borrows the corresponding book, the user obtains the book information by entering the key, and the user who borrows the same book at the same time ...
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