[#EVP_PKEY_meth_set_verify_recover]
= EVP_PKEY_meth_set_verify_recover
:mrdocs:

Set verify‐recover init/operation 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_recover(
    xref:EVP_PKEY_METHOD.adoc[EVP_PKEY_METHOD]* pmeth,
    int(* verify_recover_init)(xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]*),
    int(* verify_recover)(xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]*, unsigned char*, 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 being constructed.
| *verify_recover_init*
| Callback that prepares `ctx` for verify‐recover.
| *verify_recover*
| Callback that recovers the encoded digest from a signature.
|===


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