Research Article

Twin-Schnorr: A Security Upgrade for the Schnorr Identity-Based Identification Scheme

Algorithm 2

Description of the security model for IBI schemes.
:
(1)  ;
(2)  , , , ;
(3)  ;
(4)  :
 (i) ;
 (ii) , , ;
 (iii) ;
 (iv)
(5) :
 (i) ;
 (ii) ;
 (iii) ;
 (iv) ;
(6)
 (i) ;
 (ii)
  ;
  , , , , , ;
  and indicates the transcript session.
 (iii)
  ;
  , , , , , ;
 (iv)
  ;
  , , , , , ;
 (v) ;
(7)  : , ,
(8)  ;
(9)  ;
(10)  ;
(11)  , : , , , ;
(12)  ;