Nino Der Kinderen / Mbed 2 deprecated InetTest

Embedded C project:18/12/2014

Dependencies:   DS1307 TextLCD mbed

NetServices/lwip/netif/ppp/randm.h@0:8d87bc453349, 2014-12-18 (annotated)

Committer:
ninoderkinderen
Date:
Thu Dec 18 09:35:49 2014 +0000
Revision:
0:8d87bc453349
Programma embedded C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ninoderkinderen 0:8d87bc453349 1 /*****************************************************************************
ninoderkinderen 0:8d87bc453349 2 * randm.h - Random number generator header file.
ninoderkinderen 0:8d87bc453349 3 *
ninoderkinderen 0:8d87bc453349 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
ninoderkinderen 0:8d87bc453349 5 * Copyright (c) 1998 Global Election Systems Inc.
ninoderkinderen 0:8d87bc453349 6 *
ninoderkinderen 0:8d87bc453349 7 * The authors hereby grant permission to use, copy, modify, distribute,
ninoderkinderen 0:8d87bc453349 8 * and license this software and its documentation for any purpose, provided
ninoderkinderen 0:8d87bc453349 9 * that existing copyright notices are retained in all copies and that this
ninoderkinderen 0:8d87bc453349 10 * notice and the following disclaimer are included verbatim in any
ninoderkinderen 0:8d87bc453349 11 * distributions. No written agreement, license, or royalty fee is required
ninoderkinderen 0:8d87bc453349 12 * for any of the authorized uses.
ninoderkinderen 0:8d87bc453349 13 *
ninoderkinderen 0:8d87bc453349 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
ninoderkinderen 0:8d87bc453349 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
ninoderkinderen 0:8d87bc453349 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
ninoderkinderen 0:8d87bc453349 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
ninoderkinderen 0:8d87bc453349 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
ninoderkinderen 0:8d87bc453349 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
ninoderkinderen 0:8d87bc453349 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
ninoderkinderen 0:8d87bc453349 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
ninoderkinderen 0:8d87bc453349 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
ninoderkinderen 0:8d87bc453349 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
ninoderkinderen 0:8d87bc453349 24 *
ninoderkinderen 0:8d87bc453349 25 ******************************************************************************
ninoderkinderen 0:8d87bc453349 26 * REVISION HISTORY
ninoderkinderen 0:8d87bc453349 27 *
ninoderkinderen 0:8d87bc453349 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
ninoderkinderen 0:8d87bc453349 29 * Ported to lwIP.
ninoderkinderen 0:8d87bc453349 30 * 98-05-29 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
ninoderkinderen 0:8d87bc453349 31 * Extracted from avos.
ninoderkinderen 0:8d87bc453349 32 *****************************************************************************/
ninoderkinderen 0:8d87bc453349 33
ninoderkinderen 0:8d87bc453349 34 #ifndef RANDM_H
ninoderkinderen 0:8d87bc453349 35 #define RANDM_H
ninoderkinderen 0:8d87bc453349 36
ninoderkinderen 0:8d87bc453349 37 /***********************
ninoderkinderen 0:8d87bc453349 38 *** PUBLIC FUNCTIONS ***
ninoderkinderen 0:8d87bc453349 39 ***********************/
ninoderkinderen 0:8d87bc453349 40 /*
ninoderkinderen 0:8d87bc453349 41 * Initialize the random number generator.
ninoderkinderen 0:8d87bc453349 42 */
ninoderkinderen 0:8d87bc453349 43 void avRandomInit(void);
ninoderkinderen 0:8d87bc453349 44
ninoderkinderen 0:8d87bc453349 45 /*
ninoderkinderen 0:8d87bc453349 46 * Churn the randomness pool on a random event. Call this early and often
ninoderkinderen 0:8d87bc453349 47 * on random and semi-random system events to build randomness in time for
ninoderkinderen 0:8d87bc453349 48 * usage. For randomly timed events, pass a null pointer and a zero length
ninoderkinderen 0:8d87bc453349 49 * and this will use the system timer and other sources to add randomness.
ninoderkinderen 0:8d87bc453349 50 * If new random data is available, pass a pointer to that and it will be
ninoderkinderen 0:8d87bc453349 51 * included.
ninoderkinderen 0:8d87bc453349 52 */
ninoderkinderen 0:8d87bc453349 53 void avChurnRand(char *randData, u32_t randLen);
ninoderkinderen 0:8d87bc453349 54
ninoderkinderen 0:8d87bc453349 55 /*
ninoderkinderen 0:8d87bc453349 56 * Randomize our random seed value. To be called for truely random events
ninoderkinderen 0:8d87bc453349 57 * such as user operations and network traffic.
ninoderkinderen 0:8d87bc453349 58 */
ninoderkinderen 0:8d87bc453349 59 #if MD5_SUPPORT
ninoderkinderen 0:8d87bc453349 60 #define avRandomize() avChurnRand(NULL, 0)
ninoderkinderen 0:8d87bc453349 61 #else /* MD5_SUPPORT */
ninoderkinderen 0:8d87bc453349 62 void avRandomize(void);
ninoderkinderen 0:8d87bc453349 63 #endif /* MD5_SUPPORT */
ninoderkinderen 0:8d87bc453349 64
ninoderkinderen 0:8d87bc453349 65 /*
ninoderkinderen 0:8d87bc453349 66 * Use the random pool to generate random data. This degrades to pseudo
ninoderkinderen 0:8d87bc453349 67 * random when used faster than randomness is supplied using churnRand().
ninoderkinderen 0:8d87bc453349 68 * Thus it's important to make sure that the results of this are not
ninoderkinderen 0:8d87bc453349 69 * published directly because one could predict the next result to at
ninoderkinderen 0:8d87bc453349 70 * least some degree. Also, it's important to get a good seed before
ninoderkinderen 0:8d87bc453349 71 * the first use.
ninoderkinderen 0:8d87bc453349 72 */
ninoderkinderen 0:8d87bc453349 73 void avGenRand(char *buf, u32_t bufLen);
ninoderkinderen 0:8d87bc453349 74
ninoderkinderen 0:8d87bc453349 75 /*
ninoderkinderen 0:8d87bc453349 76 * Return a new random number.
ninoderkinderen 0:8d87bc453349 77 */
ninoderkinderen 0:8d87bc453349 78 u32_t avRandom(void);
ninoderkinderen 0:8d87bc453349 79
ninoderkinderen 0:8d87bc453349 80
ninoderkinderen 0:8d87bc453349 81 #endif /* RANDM_H */