"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "include/random_numbers.h" between
n2n-2.8.tar.gz and n2n-3.0.tar.gz

About: n2n is a layer-two peer-to-peer virtual private network (VPN) which allows bypassing intermediate firewalls.

random_numbers.h  (n2n-2.8):random_numbers.h  (n2n-3.0)
/** /**
* (C) 2007-20 - ntop.org and contributors * (C) 2007-21 - ntop.org and contributors
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program; if not see see <http://www.gnu.org/licenses/> * along with this program; if not see see <http://www.gnu.org/licenses/>
* *
*/ */
/* The WIN32 code is still untested and thus commented #ifndef RND_H
#if defined (WIN32) #define RND_H
#include <Wincrypt.h>
#endif
*/
struct rn_generator_state_t {
uint64_t a, b;
};
struct splitmix64_state_t { #include <stdint.h>
#include <stddef.h>
#include <time.h> /* time, clock */
#include "n2n.h" /* traceEvent */
// syscall and inquiring random number from hardware generators might fail, so w
e will retry
#define RND_RETRIES 1000
#if defined (__linux__)
#include <sys/syscall.h> /* syscall, SYS_getrandom */
#ifdef SYS_getrandom
#define GRND_NONBLOCK 1
#include <errno.h> /* errno, EAGAIN */
#endif
#endif
#if defined (__RDRND__) || defined (__RDSEED__)
#include <immintrin.h> /* _rdrand64_step, rdseed4_step */
#endif
#if defined (WIN32)
#include <wincrypt.h> // HCTYPTPROV, Crypt*-functions
#endif
typedef struct rn_generator_state_t {
uint64_t a, b;
} rn_generator_state_t;
typedef struct splitmix64_state_t {
uint64_t s; uint64_t s;
}; } splitmix64_state_t;
int n2n_srand (uint64_t seed); int n2n_srand (uint64_t seed);
uint64_t n2n_rand (); uint64_t n2n_rand (void);
uint64_t n2n_seed (void);
uint32_t n2n_rand_sqr (uint32_t max_n);
uint64_t n2n_seed (); #endif // RND_H
 End of changes. 6 change blocks. 
13 lines changed or deleted 40 lines changed or added

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