NAME
BN_kronecker – Kronecker symbol
SYNOPSIS
Crypto Library (libcrypto, -lcrypto)
#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.