nexmon – Rev 1
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* S E C U R E M O B I L E N E T W O R K I N G *
* *
* This file is part of NexMon. *
* *
* Copyright (c) 2016 NexMon Team *
* *
* NexMon is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* NexMon 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with NexMon. If not, see <http://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#pragma NEXMON targetregion "patch"
static unsigned int securitycookie = 0;
void
set_securitycookie(unsigned int newsecuritycookie)
{
securitycookie = newsecuritycookie;
}
unsigned int
get_securitycookie()
{
return securitycookie;
}
/**
* Tests if the test security cookie equals the stored
* security cookie. Resets the stored security cookie,
* if the test fails.
*
* @returns: 1 if both security cookies match
* 0 if either the stored security cookie is 0
* or if both security cookies do not match
*/
unsigned char
check_securitycookie(unsigned int testsecuritycookie)
{
if (securitycookie == 0) {
return 0;
} else if (securitycookie == testsecuritycookie) {
return 1;
} else {
securitycookie = 0;
return 0;
}
}