A kind of improvement encryption method of big data

A kind of improvement encryption method of big data

  • CN 107,154,846 A
  • Filed: 05/07/2017
  • Published: 09/12/2017
  • Est. Priority Date: 05/07/2017
  • Status: Active Application
First Claim
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1. a kind of encryption method of big data, it is characterized in that using following steps:

  • 1) piecemeal, is carried out to data as needed;


    According to determining whether data block needs to be encrypted the need for the rule of setting or user, and which type of mode usedIt is encrypted;

    3), data block is compressed according to the method for selection, then re-encrypted, ciphertext data are obtained, and by dataWhether encrypt, if encryption, information and parameter required for being decompressed and decrypted by accordingly will be stored, these informationInclude the information A for uniquely determining this segmentation, key K or key storage information B, the algorithm of encryption and other decompressionsContracting, decryption necessary information.

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