| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _RTL_RANDOM_H_ |
| #define _RTL_RANDOM_H_ "$Revision: 1.7 $" |
| |
| #include <sal/types.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /*======================================================================== |
| * |
| * rtlRandom interface. |
| * |
| *======================================================================*/ |
| /** Random Pool opaque type. |
| */ |
| typedef void* rtlRandomPool; |
| |
| |
| /** Error Code enumeration. |
| */ |
| enum __rtl_RandomError |
| { |
| rtl_Random_E_None, |
| rtl_Random_E_Argument, |
| rtl_Random_E_Memory, |
| rtl_Random_E_Unknown, |
| rtl_Random_E_FORCE_EQUAL_SIZE = SAL_MAX_ENUM |
| }; |
| |
| /** Error Code type. |
| */ |
| typedef enum __rtl_RandomError rtlRandomError; |
| |
| |
| /** Create a Random Pool. |
| @return initialized Random Pool, or NULL upon failure. |
| */ |
| rtlRandomPool SAL_CALL rtl_random_createPool (void) SAL_THROW_EXTERN_C(); |
| |
| |
| /** Destroy a Random Pool. |
| @param Pool [in] a Random Pool. |
| @return none. Pool is invalid. |
| */ |
| void SAL_CALL rtl_random_destroyPool ( |
| rtlRandomPool Pool |
| ) SAL_THROW_EXTERN_C(); |
| |
| |
| /** Add bytes to a Random Pool. |
| @param Pool [in] a Random Pool. |
| @param pBuffer [in] a buffer containing the bytes to add. |
| @param nBufLen [in] the number of bytes to read from the buffer. |
| @return rtl_Random_E_None upon success. |
| */ |
| rtlRandomError SAL_CALL rtl_random_addBytes ( |
| rtlRandomPool Pool, |
| const void *Buffer, |
| sal_Size Bytes |
| ) SAL_THROW_EXTERN_C(); |
| |
| |
| /** Retrieve bytes from a Random Pool. |
| @param Pool [in] a Random Pool. |
| @param pBuffer [inout] a buffer to receive the random bytes. |
| @param nBufLen [in] the number of bytes to write to the buffer. |
| @return rtl_Random_E_None upon success. |
| */ |
| rtlRandomError SAL_CALL rtl_random_getBytes ( |
| rtlRandomPool Pool, |
| void *Buffer, |
| sal_Size Bytes |
| ) SAL_THROW_EXTERN_C(); |
| |
| /*======================================================================== |
| * |
| * The End. |
| * |
| *======================================================================*/ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _RTL_RANDOM_H_ */ |
| |