EVP_PKEY_sign_init_ex

Initialize ctx for signing and apply optional algorithm parameters.

Synopsis

Declared in <openssl/evp.h>

int
EVP_PKEY_sign_init_ex(
    EVP_PKEY_CTX* ctx,
    OSSL_PARAM const params[]);

Return Value

1 on success, or 0 / a negative value on failure.

Parameters

NameDescription
ctxKey context created for a signing-capable algorithm.
paramsOptional OSSL_PARAM array set on the context before return, or NULL.