PUBLIC-KEY CRYPTOGRAPHIC SYSTEM AND METHOD FOR THE AUTHENTICATION OF A FIRST ENTITY BY A SECOND ENTITY

摘要

The invention relates to a public-key cryptographic system and method for the authentication of a first entity (E1) possessing a secret key S associated with a public key P by a second entity (E2) possessing said public key P, said secret key S belonging to a first or to a second group (G1, G2) respectively generated by first and second primitives g1 and g