gnutls_srtp_get_keys - API function

gnutls_session_t session is a gnutls_session_t type. void * key_material Space to hold the generated key material unsigned int key_material_size The maximum size of the key material gnutls_datum_t * client_key The master client write key, pointing inside the key material gnutls_datum_t * client_salt The master client write salt, pointing inside the key material gnutls_datum_t * server_key The master server write key, pointing inside the key material gnutls_datum_t * server_salt The master server write salt, pointing inside the key material

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This is a helper function to generate the keying material for SRTP. It requires the space of the key material to be pre-allocated (should be at least 2x the maximum key size and salt size). The client_key , client_salt , server_key and server_salt are convenience datums that point inside the key material. They may be NULL.

gnutls_srtp_get_keys - API function

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On success the size of the key material is returned, otherwise, GNUTLS_E_SHORT_MEMORY_BUFFER if the buffer given is not sufficient, or a negative error code. Since 3.1.4

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/ gnutls 3.8.9 gnutls_srtp_get_keys(3)