Data encryption and decryption method and device
A data encryption and decryption algorithm technology, applied in the field of information security, can solve the problems of single, fixed, and easily cracked static keys and encryption algorithms, and achieve the effect of improving the efficiency of encryption and decryption
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[0074] In order to solve the problem that the static secret key and the encryption algorithm are single, fixed for a long time and easy to be cracked in the existing data encryption method, the embodiment of the present invention provides a data encryption and decryption method and device.
[0075] The implementation principle of the data encryption and decryption method provided by the embodiment of the present invention is: the server receives the secret key and algorithm distribution request sent by the first terminal, wherein the secret key and algorithm distribution request includes the required secret key level and algorithm type, and the server receives Store a pre-established secret key database and algorithm database, select a secret key from the established secret key database according to the required secret key level, select an encryption algorithm and a corresponding encryption algorithm from the established algorithm database according to the required algorithm typ...
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