discrete logarithm problem 3 associative algebras 2 computer security 2 cyclic groups 2 digital signature 2 finite non-commutative algebras 2 multidimensional cyclicity 2 post-quantum cryptoschemes 2 Attribute-based 1 Attribute-based signatures 1 Authentication 1 Blind signatures 1 Computational efficiency 1 Efficiency 1 Elliptic curve cryptography 1 Elliptic curve discrete logarithm problem 1 Elliptic curve discrete logarithm problems 1 Geometry 1 Key policies 1 Key policy attribute-based signature 1 LSSS matrix 1 Linear secret sharing scheme matrix 1 Linear secret sharing schemes 1 Matrix algebra 1 Public key cryptography 1 Scheme matrices 1 blind signature 1 complexity of algorithms 1 elliptic curve cryptography (ECC) 1 elliptic curve discrete logarithm problem (ECDLP) 1