Compute a square root in GF(2ˆm): r = sqrt(a) mod p.

Synopsis

Declared in <openssl/bn.h>

int
BN_GF2m_mod_sqrt(
    BIGNUM* r,
    BIGNUM const* a,
    BIGNUM const* p,
    BN_CTX* ctx);

Return Value

1 on success, or 0 on error.

Parameters

Name

Description

r

Destination for the root.

a

Value whose square root is requested.

p

Irreducible modulus polynomial.

ctx

BN_CTX scratch space.

Created with MrDocs