CK Sin / Mbed 2 deprecated Ethernetwebsocket

Ethernetwebsoc

Dependencies:   C12832_lcd LM75B WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/lwip/netif/ppp/randm.h@0:0ed2a7c7190c, 2013-05-31 (annotated)

Committer:
GordonSin
Date:
Fri May 31 04:09:54 2013 +0000
Revision:
0:0ed2a7c7190c
31/5/2013;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GordonSin 0:0ed2a7c7190c 1 /*****************************************************************************
GordonSin 0:0ed2a7c7190c 2 * randm.h - Random number generator header file.
GordonSin 0:0ed2a7c7190c 3 *
GordonSin 0:0ed2a7c7190c 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
GordonSin 0:0ed2a7c7190c 5 * Copyright (c) 1998 Global Election Systems Inc.
GordonSin 0:0ed2a7c7190c 6 *
GordonSin 0:0ed2a7c7190c 7 * The authors hereby grant permission to use, copy, modify, distribute,
GordonSin 0:0ed2a7c7190c 8 * and license this software and its documentation for any purpose, provided
GordonSin 0:0ed2a7c7190c 9 * that existing copyright notices are retained in all copies and that this
GordonSin 0:0ed2a7c7190c 10 * notice and the following disclaimer are included verbatim in any
GordonSin 0:0ed2a7c7190c 11 * distributions. No written agreement, license, or royalty fee is required
GordonSin 0:0ed2a7c7190c 12 * for any of the authorized uses.
GordonSin 0:0ed2a7c7190c 13 *
GordonSin 0:0ed2a7c7190c 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
GordonSin 0:0ed2a7c7190c 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
GordonSin 0:0ed2a7c7190c 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
GordonSin 0:0ed2a7c7190c 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
GordonSin 0:0ed2a7c7190c 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
GordonSin 0:0ed2a7c7190c 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
GordonSin 0:0ed2a7c7190c 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
GordonSin 0:0ed2a7c7190c 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
GordonSin 0:0ed2a7c7190c 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
GordonSin 0:0ed2a7c7190c 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
GordonSin 0:0ed2a7c7190c 24 *
GordonSin 0:0ed2a7c7190c 25 ******************************************************************************
GordonSin 0:0ed2a7c7190c 26 * REVISION HISTORY
GordonSin 0:0ed2a7c7190c 27 *
GordonSin 0:0ed2a7c7190c 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
GordonSin 0:0ed2a7c7190c 29 * Ported to lwIP.
GordonSin 0:0ed2a7c7190c 30 * 98-05-29 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
GordonSin 0:0ed2a7c7190c 31 * Extracted from avos.
GordonSin 0:0ed2a7c7190c 32 *****************************************************************************/
GordonSin 0:0ed2a7c7190c 33
GordonSin 0:0ed2a7c7190c 34 #ifndef RANDM_H
GordonSin 0:0ed2a7c7190c 35 #define RANDM_H
GordonSin 0:0ed2a7c7190c 36
GordonSin 0:0ed2a7c7190c 37 /***********************
GordonSin 0:0ed2a7c7190c 38 *** PUBLIC FUNCTIONS ***
GordonSin 0:0ed2a7c7190c 39 ***********************/
GordonSin 0:0ed2a7c7190c 40 /*
GordonSin 0:0ed2a7c7190c 41 * Initialize the random number generator.
GordonSin 0:0ed2a7c7190c 42 */
GordonSin 0:0ed2a7c7190c 43 void avRandomInit(void);
GordonSin 0:0ed2a7c7190c 44
GordonSin 0:0ed2a7c7190c 45 /*
GordonSin 0:0ed2a7c7190c 46 * Churn the randomness pool on a random event. Call this early and often
GordonSin 0:0ed2a7c7190c 47 * on random and semi-random system events to build randomness in time for
GordonSin 0:0ed2a7c7190c 48 * usage. For randomly timed events, pass a null pointer and a zero length
GordonSin 0:0ed2a7c7190c 49 * and this will use the system timer and other sources to add randomness.
GordonSin 0:0ed2a7c7190c 50 * If new random data is available, pass a pointer to that and it will be
GordonSin 0:0ed2a7c7190c 51 * included.
GordonSin 0:0ed2a7c7190c 52 */
GordonSin 0:0ed2a7c7190c 53 void avChurnRand(char *randData, u32_t randLen);
GordonSin 0:0ed2a7c7190c 54
GordonSin 0:0ed2a7c7190c 55 /*
GordonSin 0:0ed2a7c7190c 56 * Randomize our random seed value. To be called for truely random events
GordonSin 0:0ed2a7c7190c 57 * such as user operations and network traffic.
GordonSin 0:0ed2a7c7190c 58 */
GordonSin 0:0ed2a7c7190c 59 #if MD5_SUPPORT
GordonSin 0:0ed2a7c7190c 60 #define avRandomize() avChurnRand(NULL, 0)
GordonSin 0:0ed2a7c7190c 61 #else /* MD5_SUPPORT */
GordonSin 0:0ed2a7c7190c 62 void avRandomize(void);
GordonSin 0:0ed2a7c7190c 63 #endif /* MD5_SUPPORT */
GordonSin 0:0ed2a7c7190c 64
GordonSin 0:0ed2a7c7190c 65 /*
GordonSin 0:0ed2a7c7190c 66 * Use the random pool to generate random data. This degrades to pseudo
GordonSin 0:0ed2a7c7190c 67 * random when used faster than randomness is supplied using churnRand().
GordonSin 0:0ed2a7c7190c 68 * Thus it's important to make sure that the results of this are not
GordonSin 0:0ed2a7c7190c 69 * published directly because one could predict the next result to at
GordonSin 0:0ed2a7c7190c 70 * least some degree. Also, it's important to get a good seed before
GordonSin 0:0ed2a7c7190c 71 * the first use.
GordonSin 0:0ed2a7c7190c 72 */
GordonSin 0:0ed2a7c7190c 73 void avGenRand(char *buf, u32_t bufLen);
GordonSin 0:0ed2a7c7190c 74
GordonSin 0:0ed2a7c7190c 75 /*
GordonSin 0:0ed2a7c7190c 76 * Return a new random number.
GordonSin 0:0ed2a7c7190c 77 */
GordonSin 0:0ed2a7c7190c 78 u32_t avRandom(void);
GordonSin 0:0ed2a7c7190c 79
GordonSin 0:0ed2a7c7190c 80
GordonSin 0:0ed2a7c7190c 81 #endif /* RANDM_H */