Creates a new EC_GROUP object with the specified parameters defined over GF2m (defined by the equation yˆ2 + x_y = xˆ3 + a_xˆ2 + b)

Synopsis

Declared in <openssl/ec.h>

EC_GROUP*
EC_GROUP_new_curve_GF2m(
    BIGNUM const* p,
    BIGNUM const* a,
    BIGNUM const* b,
    BN_CTX* ctx);

Return Value

newly created EC_GROUP object with the specified parameters

Parameters

Name

Description

p

BIGNUM with the polynomial defining the underlying field

a

BIGNUM with the parameter a of the equation

b

BIGNUM with the parameter b of the equation

ctx

BN_CTX object (optional)

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