/src/libreoffice/sal/rtl/random.cxx
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1 | | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
2 | | /* |
3 | | * This file is part of the LibreOffice project. |
4 | | * |
5 | | * This Source Code Form is subject to the terms of the Mozilla Public |
6 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
7 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
8 | | * |
9 | | * This file incorporates work covered by the following license notice: |
10 | | * |
11 | | * Licensed to the Apache Software Foundation (ASF) under one or more |
12 | | * contributor license agreements. See the NOTICE file distributed |
13 | | * with this work for additional information regarding copyright |
14 | | * ownership. The ASF licenses this file to you under the Apache |
15 | | * License, Version 2.0 (the "License"); you may not use this file |
16 | | * except in compliance with the License. You may obtain a copy of |
17 | | * the License at http://www.apache.org/licenses/LICENSE-2.0 . |
18 | | */ |
19 | | |
20 | | #include <sal/config.h> |
21 | | |
22 | | #include <cstdio> |
23 | | #include <cstdlib> |
24 | | |
25 | | #include <sal/types.h> |
26 | | #include <rtl/alloc.h> |
27 | | #include <rtl/random.h> |
28 | | #include <oslrandom.h> |
29 | | |
30 | | namespace { |
31 | | |
32 | | struct RandomPool_Impl |
33 | | { |
34 | | }; |
35 | | |
36 | | } |
37 | | |
38 | | rtlRandomPool SAL_CALL rtl_random_createPool() noexcept |
39 | 0 | { |
40 | 0 | RandomPool_Impl *pImpl = static_cast< RandomPool_Impl* >(rtl_allocateZeroMemory(sizeof(RandomPool_Impl))); |
41 | 0 | return static_cast< rtlRandomPool >(pImpl); |
42 | 0 | } |
43 | | |
44 | | void SAL_CALL rtl_random_destroyPool(rtlRandomPool Pool) noexcept |
45 | 0 | { |
46 | 0 | RandomPool_Impl *pImpl = static_cast< RandomPool_Impl* >(Pool); |
47 | 0 | if (pImpl) |
48 | 0 | { |
49 | 0 | rtl_freeZeroMemory (pImpl, sizeof(RandomPool_Impl)); |
50 | 0 | } |
51 | 0 | } |
52 | | |
53 | | rtlRandomError SAL_CALL rtl_random_addBytes( |
54 | | rtlRandomPool Pool, const void *Buffer, sal_Size /*Bytes*/) noexcept |
55 | 0 | { |
56 | 0 | RandomPool_Impl *pImpl = static_cast< RandomPool_Impl* >(Pool); |
57 | 0 | const sal_uInt8 *pBuffer = static_cast< const sal_uInt8* >(Buffer); |
58 | |
|
59 | 0 | if (!pImpl || !pBuffer) |
60 | 0 | return rtl_Random_E_Argument; |
61 | | |
62 | 0 | return rtl_Random_E_None; |
63 | 0 | } |
64 | | |
65 | | rtlRandomError SAL_CALL rtl_random_getBytes ( |
66 | | rtlRandomPool, void *Buffer, sal_Size Bytes) noexcept |
67 | 173k | { |
68 | 173k | sal_uInt8 *pBuffer = static_cast< sal_uInt8* >(Buffer); |
69 | | |
70 | 173k | if (!pBuffer) |
71 | 0 | return rtl_Random_E_Argument; |
72 | | |
73 | 173k | if (!osl_get_system_random_data(static_cast<char*>(Buffer), Bytes)) |
74 | 0 | { |
75 | 0 | ::std::fprintf(stderr, "rtl_random_getBytes(): cannot read random device, aborting.\n"); |
76 | 0 | ::std::abort(); |
77 | 0 | } |
78 | 173k | return rtl_Random_E_None; |
79 | 173k | } |
80 | | |
81 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |