SysTutorials Posts

NAME gnutls_mac_get_name – API function SYNOPSIS #include <gnutls/gnutls.h> const char * gnutls_mac_get_name(gnutls_mac_algorithm_t algorithm); ARGUMENTS gnutls_mac_algorithm_t algorithm is a MAC algorithm DESCRIPTION Convert a gnutls_mac_algorithm_t value to a string. RETURNS a string that contains the name of the specified MAC algorithm, or NULL. REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT Copyright…

NAME gnutls_mac_get_key_size – API function SYNOPSIS #include <gnutls/gnutls.h> size_t gnutls_mac_get_key_size(gnutls_mac_algorithm_t algorithm); ARGUMENTS gnutls_mac_algorithm_t algorithm is an encryption algorithm DESCRIPTION Returns the size of the MAC key used in TLS. RETURNS length (in bytes) of the given MAC key size, or 0 if the given MAC algorithm is invalid. REPORTING BUGS Report bugs to <bugs [at]…

NAME gnutls_mac_get_id – API function SYNOPSIS #include <gnutls/gnutls.h> gnutls_mac_algorithm_t gnutls_mac_get_id(const char * name); ARGUMENTS const char * name is a MAC algorithm name DESCRIPTION Convert a string to a gnutls_mac_algorithm_t value. The names are compared in a case insensitive way. RETURNS a gnutls_mac_algorithm_t id of the specified MAC algorithm string, or GNUTLS_MAC_UNKNOWN on failures. REPORTING…

NAME gnutls_mac_get – API function SYNOPSIS #include <gnutls/gnutls.h> gnutls_mac_algorithm_t gnutls_mac_get(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION Get currently used MAC algorithm. RETURNS the currently used mac algorithm, a gnutls_mac_algorithm_t value. REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT Copyright © 2001-2014 Free Software Foundation, Inc.. Copying and distribution…

NAME gnutls_load_file – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_load_file(const char * filename, gnutls_datum_t * data); ARGUMENTS const char * filename the name of the file to load gnutls_datum_t * data Where the file will be stored DESCRIPTION This function will load a file into a datum. The data are zero terminated but the terminating…

NAME gnutls_kx_set_priority – API function SYNOPSIS #include <gnutls/compat.h> int gnutls_kx_set_priority(gnutls_session_t session, const int * list); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. const int * list is a 0 terminated list of gnutls_kx_algorithm_t elements. DESCRIPTION Sets the priority on the key exchange algorithms supported by gnutls. Priority is higher for elements specified before others. After…

NAME gnutls_kx_list – API function SYNOPSIS #include <gnutls/gnutls.h> const gnutls_kx_algorithm_t * gnutls_kx_list( void); ARGUMENTS void DESCRIPTION Get a list of supported key exchange algorithms. This function is not thread safe. RETURNS a (0)-terminated list of gnutls_kx_algorithm_t integers indicating the available key exchange algorithms. REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT…

NAME gnutls_kx_get_name – API function SYNOPSIS #include <gnutls/gnutls.h> const char * gnutls_kx_get_name(gnutls_kx_algorithm_t algorithm); ARGUMENTS gnutls_kx_algorithm_t algorithm is a key exchange algorithm DESCRIPTION Convert a gnutls_kx_algorithm_t value to a string. RETURNS a pointer to a string that contains the name of the specified key exchange algorithm, or NULL. REPORTING BUGS Report bugs to <bugs [at] gnutls.org>….

NAME gnutls_kx_get_id – API function SYNOPSIS #include <gnutls/gnutls.h> gnutls_kx_algorithm_t gnutls_kx_get_id(const char * name); ARGUMENTS const char * name is a KX name DESCRIPTION Convert a string to a gnutls_kx_algorithm_t value. The names are compared in a case insensitive way. RETURNS an id of the specified KX algorithm, or GNUTLS_KX_UNKNOWN on error. REPORTING BUGS Report bugs…

NAME gnutls_kx_get – API function SYNOPSIS #include <gnutls/gnutls.h> gnutls_kx_algorithm_t gnutls_kx_get(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION Get currently used key exchange algorithm. RETURNS the key exchange algorithm used in the last handshake, a gnutls_kx_algorithm_t value. REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT Copyright © 2001-2014 Free Software…

NAME gnutls_key_generate – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_key_generate(gnutls_datum_t * key, unsigned int key_size); ARGUMENTS gnutls_datum_t * key is a pointer to a gnutls_datum_t which will contain a newly created key. unsigned int key_size The number of bytes of the key. DESCRIPTION Generates a random key of key_size bytes. RETURNS On success, GNUTLS_E_SUCCESS (0)…

NAME gnutls_init – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_init(gnutls_session_t * session, unsigned int flags); ARGUMENTS gnutls_session_t * session is a pointer to a gnutls_session_t structure. unsigned int flags indicate if this session is to be used for server or client. DESCRIPTION This function initializes the current session to null. Every session must be initialized…

NAME gnutls_ia_verify_endphase – API function SYNOPSIS #include <gnutls/extra.h> int gnutls_ia_verify_endphase(gnutls_session_t session, const char * checksum); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. const char * checksum 12-byte checksum data, received from gnutls_ia_recv(). DESCRIPTION Verify TLS/IA end phase checksum data. If verification fails, the GNUTLS_A_INNER_APPLICATION_VERIFICATION alert is sent to the other sie. This function is called…

NAME gnutls_ia_set_server_avp_ptr – Sets a pointer to be sent to TLS/IA callback SYNOPSIS #include <gnutls/extra.h> void gnutls_ia_set_server_avp_ptr(gnutls_ia_server_credentials_t cred, void * ptr); ARGUMENTS gnutls_ia_server_credentials_t cred is a gnutls_ia_client_credentials_t structure. void * ptr is the pointer DESCRIPTION Sets the pointer that will be provided to the TLS/IA callback function as the first argument. REPORTING BUGS Report bugs…

NAME gnutls_ia_set_server_avp_function – Used to set a AVP callback SYNOPSIS #include <gnutls/extra.h> void gnutls_ia_set_server_avp_function(gnutls_ia_server_credentials_t cred, gnutls_ia_avp_func avp_func); ARGUMENTS gnutls_ia_server_credentials_t cred is a gnutls_ia_server_credentials_t structure. gnutls_ia_avp_func avp_func DESCRIPTION Set the TLS/IA AVP callback handler used for the session. The callback’s function form is: int (*avp_func) (gnutls_session_t session, void *ptr, const char *last, size_t lastlen, char **next,…

NAME gnutls_ia_set_client_avp_ptr – Sets a pointer to be sent to TLS/IA callback SYNOPSIS #include <gnutls/extra.h> void gnutls_ia_set_client_avp_ptr(gnutls_ia_client_credentials_t cred, void * ptr); ARGUMENTS gnutls_ia_client_credentials_t cred is a gnutls_ia_client_credentials_t structure. void * ptr is the pointer DESCRIPTION Sets the pointer that will be provided to the TLS/IA callback function as the first argument. REPORTING BUGS Report bugs…

NAME gnutls_ia_set_client_avp_function – Used to set a AVP callback SYNOPSIS #include <gnutls/extra.h> void gnutls_ia_set_client_avp_function(gnutls_ia_client_credentials_t cred, gnutls_ia_avp_func avp_func); ARGUMENTS gnutls_ia_client_credentials_t cred is a gnutls_ia_client_credentials_t structure. gnutls_ia_avp_func avp_func is the callback function DESCRIPTION Set the TLS/IA AVP callback handler used for the session. The AVP callback is called to process AVPs received from the server, and to…

NAME gnutls_ia_send – API function SYNOPSIS #include <gnutls/extra.h> ssize_t gnutls_ia_send(gnutls_session_t session, const char * data, size_t sizeofdata); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. const char * data contains the data to send size_t sizeofdata is the length of the data DESCRIPTION Send TLS/IA application payload data. This function has the similar semantics with send()….

NAME gnutls_ia_recv – read data from the TLS/IA protocol SYNOPSIS #include <gnutls/extra.h> ssize_t gnutls_ia_recv(gnutls_session_t session, char * data, size_t sizeofdata); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. char * data the buffer that the data will be read into, must hold >= 12 bytes. size_t sizeofdata the number of requested bytes, must be >= 12….

NAME gnutls_ia_permute_inner_secret – API function SYNOPSIS #include <gnutls/extra.h> int gnutls_ia_permute_inner_secret(gnutls_session_t session, size_t session_keys_size, const char * session_keys); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. size_t session_keys_size Size of generated session keys (0 if none). const char * session_keys Generated session keys, used to permute inner secret (NULL if none). DESCRIPTION Permute the inner secret using…