FIELD: calculating; counting.
SUBSTANCE: invention relates to the computer equipment. Method for generating cryptograms comprises determining by a user device a pair of short-term keys comprising a short-term public key and a short-term private key; sending user request message with request for provision; receiving, by a user device, a response with a response; determining, by a user device, a mapped shared secret key; decrypting with the user device encrypted identification data; obtaining key generation parameter from identification data; and generating a first cryptogram key from the reciprocal shared secret key using a key generation parameter.
EFFECT: technical result consists in improvement of reliability of generating cryptograms.
21 cl, 19 dwg
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