# random_.h

Go to the documentation of this file.

    00001 /*
    00002   Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization
    00003   dedicated to making software imaging solutions freely available.
    00004
    00005   You may not use this file except in compliance with the License.
    00006   obtain a copy of the License at
    00007
    00008     http://www.wizards-toolkit.org/script/license.php
    00009
    00010   Unless required by applicable law or agreed to in writing, software
    00011   distributed under the License is distributed on an "AS IS" BASIS,
    00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00013   See the License for the specific language governing permissions and
    00014   limitations under the License.
    00015
    00016   Wizard's Toolkit random number methods.
    00017 */
    00018 #ifndef _WIZARDS_TOOLKIT_RANDOM_H
    00019 #define _WIZARDS_TOOLKIT_RANDOM_H
    00020
    00021 #if defined(__cplusplus) || defined(c_plusplus)
    00022 extern "C" {
    00023 #endif
    00024
    00025 #include "wizard/hmac.h"
    00026 #include "wizard/semaphore.h"
    00027
    00028 /*
    00029   Typedef declarations.
    00030 */
    00031 typedef struct _RandomInfo
    00032   RandomInfo;
    00033
    00034 /*
    00035   Method declarations.
    00036 */
    00037 extern WizardExport double
    00038   GetRandomValue(RandomInfo *);
    00039
    00040 extern WizardExport RandomInfo
    00041   *AcquireRandomInfo(const HashType),
    00042   *DestroyRandomInfo(RandomInfo *);
    00043
    00044 extern WizardExport StringInfo
    00045   *GetRandomKey(RandomInfo *,const size_t);
    00046
    00047 extern WizardExport unsigned long
    00048   GetPseudoRandomValue(void);
    00049
    00050 extern WizardExport void
    00051   DestroyRandomResources(void),
    00052   SeedPseudoRandomGenerator(void),
    00053   SetRandomKey(RandomInfo *,const size_t,unsigned char *);
    00054
    00055 #if defined(__cplusplus) || defined(c_plusplus)
    00056 }
    00057 #endif
    00058
    00059 #endif