NAME
BN_kronecker —
Kronecker symbol
SYNOPSIS
#include
<openssl/bn.h>
int
BN_kronecker(const BIGNUM *a,
const BIGNUM *b, BN_CTX
*ctx);
DESCRIPTION
BN_kronecker()
computes the Kronecker symbol (a | b), which generalizes the Legendre and
Jacobi symbols for arbitrary integer numbers b.
RETURN VALUES
BN_kronecker() returns -1, 0, or 1 in case
of success or -2 on error.
SEE ALSO
BN_CTX_new(3), BN_gcd(3), BN_mod_sqrt(3), BN_new(3)
Henri Cohen, A Course in Computational Algebraic Number Theory, Springer, Berlin, 1993, Algorithm 1.4.10.
HISTORY
BN_kronecker() first appeared in OpenSSL
0.9.7 and has been available since OpenBSD 3.2.