Invoke a callback for every MAC implementation available from activated providers.
Declared in <openssl/evp.h>
void
EVP_MAC_do_all_provided(
OSSL_LIB_CTX* libctx,
void(* fn)(EVP_MAC*, void*),
void* arg);| Name | Description |
|---|---|
| libctx | Library context whose providers are scanned, or NULL for the default. |
| fn | Callback receiving each EVP_MAC and arg. |
| arg | Opaque pointer forwarded to fn. |