Aiming at the trapdoor security problem of the public key encryption scheme. a random number constructing trapdoor and index was introduced to defend against keyword guessing attacks from the server and avoid data leakage caused by server curious behavior. Research on trusted issues of third parties. the blockchain mechanism with a searchable encryption scheme was combined. https://www.cuttingedgecutleryco.shop/product-category/cheese-slicer/
Cheese slicer
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