Provided by: gnutls-doc_3.6.9-5ubuntu1_all
gnutls_srp_set_client_credentials_function - API function
#include <gnutls/gnutls.h> void gnutls_srp_set_client_credentials_function(gnutls_srp_client_credentials_t cred, gnutls_srp_client_credentials_function * func);
gnutls_srp_client_credentials_t cred is a gnutls_srp_server_credentials_t type. gnutls_srp_client_credentials_function * func is the callback function
This function can be used to set a callback to retrieve the username and password for client SRP authentication. The callback's function form is: int (*callback)(gnutls_session_t, char** username, char**password); The username and password must be allocated using gnutls_malloc(). The username should be an ASCII string or UTF-8 string. In case of a UTF-8 string it is recommended to be following the PRECIS framework for usernames (rfc8265). The password can be in ASCII format, or normalized using gnutls_utf8_password_normalize(). The callback function will be called once per handshake before the initial hello message is sent. The callback should not return a negative error code the second time called, since the handshake procedure will be aborted. The callback function should return 0 on success. -1 indicates an error.
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