NAME gnutls_record_send – API function SYNOPSIS #include <gnutls/gnutls.h> ssize_t gnutls_record_send(gnutls_session_t session, const void * data, size_t data_size); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. const void * data contains the data to send size_t data_size is the length of the data DESCRIPTION This function has the similar semantics with send(). The only difference is that…
NAME gnutls_record_recv_seq – API function SYNOPSIS #include <gnutls/gnutls.h> ssize_t gnutls_record_recv_seq(gnutls_session_t session, void * data, size_t data_size, unsigned char * seq); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. void * data the buffer that the data will be read into size_t data_size the number of requested bytes unsigned char * seq is the packet’s 64-bit sequence…
NAME gnutls_record_recv_packet – API function SYNOPSIS #include <gnutls/gnutls.h> ssize_t gnutls_record_recv_packet(gnutls_session_t session, gnutls_packet_t * packet); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. gnutls_packet_t * packet the structure that will hold the packet data DESCRIPTION This is a lower-level function thatn gnutls_record_recv() and allows to directly receive the whole decrypted packet. That avoids a memory copy, and…
NAME gnutls_record_recv – API function SYNOPSIS #include <gnutls/gnutls.h> ssize_t gnutls_record_recv(gnutls_session_t session, void * data, size_t data_size); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. void * data the buffer that the data will be read into size_t data_size the number of requested bytes DESCRIPTION This function has the similar semantics with recv(). The only difference is…
NAME gnutls_record_overhead_size – API function SYNOPSIS #include <gnutls/gnutls.h> size_t gnutls_record_overhead_size(gnutls_session_t session); ARGUMENTS gnutls_session_t session is gnutls_session_t DESCRIPTION This function will return the set size in bytes of the overhead due to TLS (or DTLS) per record. SINCE 3.2.2 REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT Copyright © 2001-2014 Free Software…
NAME gnutls_record_get_max_size – API function SYNOPSIS #include <gnutls/gnutls.h> size_t gnutls_record_get_max_size(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION Get the record size. The maximum record size is negotiated by the client after the first handshake message. RETURNS The maximum record packet size in this connection. REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home…
NAME gnutls_record_get_discarded – API function SYNOPSIS #include <gnutls/dtls.h> unsigned int gnutls_record_get_discarded(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION Returns the number of discarded packets in a DTLS connection. RETURNS The number of discarded packets. SINCE 3.0 REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT Copyright © 2001-2014 Free Software…
NAME gnutls_record_get_direction – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_record_get_direction(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION This function provides information about the internals of the record protocol and is only useful if a prior gnutls function call (e.g. gnutls_handshake()) was interrupted for some reason, that is, if a function returned GNUTLS_E_INTERRUPTED or…
NAME gnutls_record_disable_padding – API function SYNOPSIS #include <gnutls/gnutls.h> void gnutls_record_disable_padding(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION Used to disabled padding in TLS 1.0 and above. Normally you do not need to use this function, but there are buggy clients that complain if a server pads the encrypted data. This of course will…
NAME gnutls_record_cork – API function SYNOPSIS #include <gnutls/gnutls.h> void gnutls_record_cork(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION If called, gnutls_record_send() will no longer send any records. Any sent records will be cached until gnutls_record_uncork() is called. This function is safe to use with DTLS after GnuTLS 3.3.0. SINCE 3.1.9 REPORTING BUGS Report bugs…
NAME gnutls_record_check_pending – API function SYNOPSIS #include <gnutls/gnutls.h> size_t gnutls_record_check_pending(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION This function checks if there are unread data in the gnutls buffers. If the return value is non-zero the next call to gnutls_record_recv() is guaranteed not to block. RETURNS Returns the size of the data or…
NAME gnutls_record_check_corked – API function SYNOPSIS #include <gnutls/gnutls.h> size_t gnutls_record_check_corked(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION This function checks if there pending corked data in the gnutls buffers –see gnutls_record_cork(). RETURNS Returns the size of the corked data or zero. SINCE 3.2.8 REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page:…
NAME gnutls_record_can_use_length_hiding – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_record_can_use_length_hiding(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION If the session supports length-hiding padding, you can invoke gnutls_range_send_message() to send a message whose length is hidden in the given range. If the session does not support length hiding padding, you can use the standard…
NAME gnutls_range_split – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_range_split(gnutls_session_t session, const gnutls_range_st * orig, gnutls_range_st * next, gnutls_range_st * remainder); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure const gnutls_range_st * orig is the original range provided by the user gnutls_range_st * next is the returned range that can be conveyed in a TLS record…
NAME gnutls_random_art – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_random_art(gnutls_random_art_t type, const char * key_type, unsigned int key_size, void * fpr, size_t fpr_size, gnutls_datum_t * art); ARGUMENTS gnutls_random_art_t type The type of the random art (for now only GNUTLS_RANDOM_ART_OPENSSH is supported) const char * key_type The type of the key (RSA, DSA etc.) unsigned int…
NAME gnutls_pubkey_verify_params – API function SYNOPSIS #include <gnutls/abstract.h> int gnutls_pubkey_verify_params(gnutls_pubkey_t key); ARGUMENTS gnutls_pubkey_t key should contain a gnutls_pubkey_t structure DESCRIPTION This function will verify the private key parameters. RETURNS On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value. SINCE 3.3.0 REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT Copyright…
NAME gnutls_pubkey_verify_hash2 – API function SYNOPSIS #include <gnutls/abstract.h> int gnutls_pubkey_verify_hash2(gnutls_pubkey_t key, gnutls_sign_algorithm_t algo, unsigned int flags, const gnutls_datum_t * hash, const gnutls_datum_t * signature); ARGUMENTS gnutls_pubkey_t key Holds the public key gnutls_sign_algorithm_t algo The signature algorithm used unsigned int flags Zero or one of gnutls_pubkey_flags_t const gnutls_datum_t * hash holds the hash digest to be…
NAME gnutls_pubkey_verify_hash – API function SYNOPSIS #include <gnutls/abstract.h> int gnutls_pubkey_verify_hash(gnutls_pubkey_t key, unsigned int flags, const gnutls_datum_t * hash, const gnutls_datum_t * signature); ARGUMENTS gnutls_pubkey_t key Holds the public key unsigned int flags Zero or one of gnutls_pubkey_flags_t const gnutls_datum_t * hash holds the hash digest to be verified const gnutls_datum_t * signature contains the signature…
NAME gnutls_pubkey_verify_data2 – API function SYNOPSIS #include <gnutls/abstract.h> int gnutls_pubkey_verify_data2(gnutls_pubkey_t pubkey, gnutls_sign_algorithm_t algo, unsigned int flags, const gnutls_datum_t * data, const gnutls_datum_t * signature); ARGUMENTS gnutls_pubkey_t pubkey Holds the public key gnutls_sign_algorithm_t algo The signature algorithm used unsigned int flags Zero or one of gnutls_pubkey_flags_t const gnutls_datum_t * data holds the signed data const gnutls_datum_t…
NAME gnutls_pubkey_verify_data – API function SYNOPSIS #include <gnutls/abstract.h> int gnutls_pubkey_verify_data(gnutls_pubkey_t pubkey, unsigned int flags, const gnutls_datum_t * data, const gnutls_datum_t * signature); ARGUMENTS gnutls_pubkey_t pubkey Holds the public key unsigned int flags Zero or one of gnutls_pubkey_flags_t const gnutls_datum_t * data holds the signed data const gnutls_datum_t * signature contains the signature DESCRIPTION This function…