Wallix

Henri Binsztok

A method for information retrieval in an encrypted corpus stored on a server, from a digital request calculated on a customer device, containing a sequence of terms, includes the following steps: encryption of the request on a customer computer device and transmission of same to a database management server; and homomorphic calculation, on the server, of the encrypted response to the encrypted request recorded on the server. The method further comprises an additional requesting step performed on the customer device; and presentation of the result in an ordered form of the documents, in application of the processing of the previous step. The present disclosure also relates to a method for preparing a requestable base and to a method for information retrieval in an encrypted corpus.

Method for information retrieval in an encrypted corpus stored on a server

A method for end-to-end transmission of a piece of encrypted digital information includes the following steps: selection, on the computer equipment of the transmitter, of a piece of digital information and a digital identifier of the recipient; temporary encryption of the piece of digital information by execution of a local encryption application on the computer equipment with the private key of the sender; decryption of the piece of information on the equipment of the sender and encryption of the piece of information with the public key of the recipient; transmission to the recipient, by the computer equipment, from the sender, of the piece of digital information encrypted with the public key of the sender, optionally by the intermediary of the transactional platform; and decryption by the computer equipment of the recipient of the piece of information with the public key of the sender.

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Paris, France

Henri Binsztok