Eric Wellmon / Http_Wifi_Fileserver

Serves a webpage and saves the user entered data in a .txt file all on the MBED

Dependents:   HTTPServerCustom

Fork of EthernetNetIf by Donatien Garnier

LPC2368/lwip/netif/ppp/randm.h@6:5ff4a18d103e, 2014-09-29 (annotated)

Committer:
wellmon7
Date:
Mon Sep 29 23:43:13 2014 +0000
Revision:
6:5ff4a18d103e
Parent:
0:422060928e37 
I don't know what this is asking for...we made slight changes to make the router and mbed applicable

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:422060928e37 1 /*****************************************************************************
donatien 0:422060928e37 2 * randm.h - Random number generator header file.
donatien 0:422060928e37 3 *
donatien 0:422060928e37 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
donatien 0:422060928e37 5 * Copyright (c) 1998 Global Election Systems Inc.
donatien 0:422060928e37 6 *
donatien 0:422060928e37 7 * The authors hereby grant permission to use, copy, modify, distribute,
donatien 0:422060928e37 8 * and license this software and its documentation for any purpose, provided
donatien 0:422060928e37 9 * that existing copyright notices are retained in all copies and that this
donatien 0:422060928e37 10 * notice and the following disclaimer are included verbatim in any
donatien 0:422060928e37 11 * distributions. No written agreement, license, or royalty fee is required
donatien 0:422060928e37 12 * for any of the authorized uses.
donatien 0:422060928e37 13 *
donatien 0:422060928e37 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
donatien 0:422060928e37 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
donatien 0:422060928e37 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
donatien 0:422060928e37 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
donatien 0:422060928e37 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
donatien 0:422060928e37 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
donatien 0:422060928e37 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
donatien 0:422060928e37 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
donatien 0:422060928e37 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
donatien 0:422060928e37 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
donatien 0:422060928e37 24 *
donatien 0:422060928e37 25 ******************************************************************************
donatien 0:422060928e37 26 * REVISION HISTORY
donatien 0:422060928e37 27 *
donatien 0:422060928e37 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
donatien 0:422060928e37 29 * Ported to lwIP.
donatien 0:422060928e37 30 * 98-05-29 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
donatien 0:422060928e37 31 * Extracted from avos.
donatien 0:422060928e37 32 *****************************************************************************/
donatien 0:422060928e37 33
donatien 0:422060928e37 34 #ifndef RANDM_H
donatien 0:422060928e37 35 #define RANDM_H
donatien 0:422060928e37 36
donatien 0:422060928e37 37 /***********************
donatien 0:422060928e37 38 *** PUBLIC FUNCTIONS ***
donatien 0:422060928e37 39 ***********************/
donatien 0:422060928e37 40 /*
donatien 0:422060928e37 41 * Initialize the random number generator.
donatien 0:422060928e37 42 */
donatien 0:422060928e37 43 void avRandomInit(void);
donatien 0:422060928e37 44
donatien 0:422060928e37 45 /*
donatien 0:422060928e37 46 * Churn the randomness pool on a random event. Call this early and often
donatien 0:422060928e37 47 * on random and semi-random system events to build randomness in time for
donatien 0:422060928e37 48 * usage. For randomly timed events, pass a null pointer and a zero length
donatien 0:422060928e37 49 * and this will use the system timer and other sources to add randomness.
donatien 0:422060928e37 50 * If new random data is available, pass a pointer to that and it will be
donatien 0:422060928e37 51 * included.
donatien 0:422060928e37 52 */
donatien 0:422060928e37 53 void avChurnRand(char *randData, u32_t randLen);
donatien 0:422060928e37 54
donatien 0:422060928e37 55 /*
donatien 0:422060928e37 56 * Randomize our random seed value. To be called for truely random events
donatien 0:422060928e37 57 * such as user operations and network traffic.
donatien 0:422060928e37 58 */
donatien 0:422060928e37 59 #if MD5_SUPPORT
donatien 0:422060928e37 60 #define avRandomize() avChurnRand(NULL, 0)
donatien 0:422060928e37 61 #else /* MD5_SUPPORT */
donatien 0:422060928e37 62 void avRandomize(void);
donatien 0:422060928e37 63 #endif /* MD5_SUPPORT */
donatien 0:422060928e37 64
donatien 0:422060928e37 65 /*
donatien 0:422060928e37 66 * Use the random pool to generate random data. This degrades to pseudo
donatien 0:422060928e37 67 * random when used faster than randomness is supplied using churnRand().
donatien 0:422060928e37 68 * Thus it's important to make sure that the results of this are not
donatien 0:422060928e37 69 * published directly because one could predict the next result to at
donatien 0:422060928e37 70 * least some degree. Also, it's important to get a good seed before
donatien 0:422060928e37 71 * the first use.
donatien 0:422060928e37 72 */
donatien 0:422060928e37 73 void avGenRand(char *buf, u32_t bufLen);
donatien 0:422060928e37 74
donatien 0:422060928e37 75 /*
donatien 0:422060928e37 76 * Return a new random number.
donatien 0:422060928e37 77 */
donatien 0:422060928e37 78 u32_t avRandom(void);
donatien 0:422060928e37 79
donatien 0:422060928e37 80
donatien 0:422060928e37 81 #endif /* RANDM_H */