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/*
* GnuTLS PIN support for PKCS#11 or TPM
* Copyright (C) 2010-2012 Free Software Foundation, Inc.
*
* Authors: Nikos Mavrogiannopoulos
*
* The GnuTLS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#include <gnutls_int.h>
#include <gnutls/pkcs11.h>
#include <pin.h>
gnutls_pin_callback_t _gnutls_pin_func;
void *_gnutls_pin_data;
/**
* gnutls_pkcs11_set_pin_function:
* @fn: The PIN callback, a gnutls_pin_callback_t() function.
* @userdata: data to be supplied to callback
*
* This function will set a callback function to be used when a PIN is
* required for PKCS 11 operations. See
* gnutls_pin_callback_t() on how the callback should behave.
*
* Since: 2.12.0
**/
void
gnutls_pkcs11_set_pin_function (gnutls_pin_callback_t fn,
void *userdata)
{
_gnutls_pin_func = fn;
_gnutls_pin_data = userdata;
}
/**
* gnutls_pkcs11_get_pin_function:
* @userdata: data to be supplied to callback
*
* This function will return the callback function set using
* gnutls_pkcs11_set_pin_function().
*
* Returns: The function set or NULL otherwise.
*
* Since: 3.1.0
**/
gnutls_pin_callback_t
gnutls_pkcs11_get_pin_function (void **userdata)
{
if (_gnutls_pin_func != NULL)
{
*userdata = _gnutls_pin_data;
return _gnutls_pin_func;
}
return NULL;
}
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