Computes the double of a EC_POINT

Synopsis

Declared in <openssl/ec.h>

int
EC_POINT_dbl(
    EC_GROUP const* group,
    EC_POINT* r,
    EC_POINT const* a,
    BN_CTX* ctx);

Return Value

1 on success and 0 if an error occurred

Parameters

Name

Description

group

underlying EC_GROUP object

r

EC_POINT object for the result (r = 2 * a)

a

EC_POINT object

ctx

BN_CTX object (optional)

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