[#EVP_PKEY_meth_set_verify]
= EVP_PKEY_meth_set_verify
:mrdocs:

Set the signature‐verification callbacks on a custom EVP_PKEY_METHOD (deprecated).

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
void
EVP_PKEY_meth_set_verify(
    xref:EVP_PKEY_METHOD.adoc[EVP_PKEY_METHOD]* pmeth,
    int(* verify_init)(xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]*),
    int(* verify)(xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]*, unsigned char const*, size_t, unsigned char const*, size_t));
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *pmeth*
| Method table to update.
| *verify_init*
| Optional initialization callback before verification, or NULL.
| *verify*
| Callback that verifies `sig` over `tbs.`
|===


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