Initialise ctx for signature verification with optional parameters.

Synopsis

Declared in <openssl/evp.h>

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

Return Value

1 on success, or a non‐positive value on failure.

Parameters

Name

Description

ctx

Key context holding the public key (or key pair) used to verify.

params

Optional parameter array terminated by OSSL_PARAM_END, or NULL.

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