Distributed cloud security storage method and system and storage medium
A secure storage and distributed technology, applied in the field of cloud storage, can solve the problems of high decompilation risk, theft, application and data loss, etc., to avoid data leakage
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[0047] Example 1
[0048] This embodiment provides a distributed cloud security storage method, comprising:
[0049] Step 1: dividing the object into a plurality of data blocks, preferably of the same size is divided into data blocks, the data blocks SM4 or AES block cipher encryption algorithm, the data block is encrypted, the encryption algorithm is an encryption key is arranged; Specific of:
[0050] If the target file size is not greater than the preset threshold, according to the first mode segmentation, or division according to a second mode; dividing said first mode, the second mode is divided to the target file is divided according to a preset size, and finally a tail added supplementary information data block, so that it is the same size as other data blocks. For example: For file is not greater than 1M, in accordance with the block size of 64K; greater than 1M for a data block size in accordance with 1M; 0 add enough last data block in the tail, which is the same so that...
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