Функции API (API function)
Имя (Name)
gnutls_hkdf_expand - API function
Синопсис (Synopsis)
#include <gnutls/crypto.h>
int gnutls_hkdf_expand(gnutls_mac_algorithm_t mac, const
gnutls_datum_t * key, const gnutls_datum_t * info, void * output,
size_t length);
Аргументы (Arguments)
gnutls_mac_algorithm_t mac
the mac algorithm used internally
const gnutls_datum_t * key
the pseudorandom key created with HKDF-Extract
const gnutls_datum_t * info
the optional informational data
void * output
the output value of the expand operation
size_t length
the desired length of the output key
Описание (Description)
This function will derive a variable length keying material from
the pseudorandom key using the HKDF-Expand function as defined in
RFC 5869.
Возвращаемое значение (Return value)
Zero or a negative error code on error.
Сообщение об ошибках (Reporting bugs)
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
Смотри также (See also)
The full documentation for gnutls is maintained as a Texinfo
manual. If the /usr/share/doc/gnutls/ directory does not contain
the HTML form visit
https://www.gnutls.org/manual/
