AUTHENTICATION AND ENCRYPTION SYSTEM AND METHOD WITH INTERCEPTION PROTECTION Russian patent published in 2020 - IPC G06F21/36 G06F21/62 H04L9/32 

FIELD: computer equipment.

SUBSTANCE: method of providing a user with access to stored information in electronic form using a stored in electronic form of a given access code containing a given number of characters, each of which is characterized by preset position of pin, wherein method includes presenting to user a collection of tokens, which contains at least two tokens and in which each token contains at least two symbols belonging to a plurality of symbols; sending to the user a request to select a token from a plurality of tokens for each position of the pin in the access code; and user authentication based on user-selected tokens, wherein user is authenticated if number of tokens selected by user, is equal to number of symbols in access code, at least one of selected tokens contains corresponding one of access code symbols and position of pin of each of selected tokens, which contains corresponding one of access code symbols, corresponds to position of pin of its corresponding symbol of access code in access code.

EFFECT: technical result consists in provision of authentication and encryption with protection against interception.

26 cl, 43 dwg