ECDSA_sign_setup

Precompute parts of the signing operation

Synopsis

Declared in <openssl/ec.h>

[[deprecated]]
int
ECDSA_sign_setup(
    EC_KEY* eckey,
    BN_CTX* ctx,
    BIGNUM** kinv,
    BIGNUM** rp);

WARNING

Deprecated. Use of this entity is allowed but discouraged.

Return Value

1 on success and 0 otherwise

Parameters

NameDescription
eckeyEC_KEY object containing a private EC key
ctxBN_CTX object (optional)
kinvBIGNUM pointer for the inverse of k
rpBIGNUM pointer for x coordinate of k * generator