FIELD: physics, computer engineering.
SUBSTANCE: invention relates to encryption of messages based on use of points on an elliptical curve. A method of authenticating a password or identifying an identifier using cryptographic transformation includes steps of performing cryptographic transformation in an electronic component to obtain a point P (X, Y) on an elliptical curve based on at least one parameter t, associated with said password or identifier; authenticating the password or identifying the identifier using abscissa values (X) and ordinate values (Y) of the obtained point P.
EFFECT: high reliability of cryptographic encryption owing to authentication and identification at the same time.
7 cl, 3 dwg
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