napcok/calamares
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
7a78f2600e
calamares/src/libcalamares/utils/Entropy.h

57 lines
1.8 KiB
C
Raw Normal View History

[libcalamares] Add an Entropy service for getting random data - Tries to get the "best" random data - Reports the quality of the random data it got
2020-01-29 16:03:50 +01:00
/* === This file is part of Calamares - <https://github.com/calamares> ===
[libcalamares] Apply SPDX to utils/
2020-08-10 18:21:42 +02:00
*
[libcalamares] Update SPDX identifiers. Update CppJob.h Update CalamaresConfig.h.in Update DllMacro.h Update GlobalStorage.cpp Update GlobalStorage.h Update Job.cpp Update Job.h Update JobExample.cpp Update JobExample.h Update JobQueue.cpp Update CalamaresConfig.h.in Update CppJob.cpp Update CppJob.h Update DllMacro.h Update GlobalStorage.cpp Update GlobalStorage.h Update Job.cpp Update Job.h Update JobExample.cpp Update JobExample.h Update JobQueue.h Update ProcessJob.cpp Update ProcessJob.h Update PythonHelper.cpp Update PythonJob.cpp Update PythonJob.h Update PythonHelper.h Update PythonJobApi.cpp Update PythonJobApi.h Update Settings.cpp Update Settings.h Update GeoIPJSON.cpp Update GeoIPJSON.h Update GeoIPTests.cpp Update GeoIPTests.h Update GeoIPXML.cpp Update GeoIPXML.h Update Handler.cpp Update Handler.h Update Interface.cpp Update Interface.h Update test_geoip.cpp Update CountryData_p.cpp Update Label.cpp Update Label.h Update LabelModel.cpp Update LabelModel.h Update CountryData_p.cpp Update CountryData_p.cpp Update Lookup.cpp Update Lookup.h Update Tests.cpp Update Tests.h Update TimeZone.cpp Update TimeZone.h Update TranslatableConfiguration.cpp Update TranslatableConfiguration.h Update ZoneData_p.cxxtr Update cldr-extractor.py Update zone-extractor.py Update Actions.h Update Actions.h Update Descriptor.h Update InstanceKey.cpp Update Module.cpp Update Module.h Update Requirement.cpp Update RequirementsChecker.h Update RequirementsModel.cpp Update RequirementsModel.h Update Tests.cpp Update Manager.cpp Update Manager.h Update Tests.cpp Update FileSystem.cpp Update FileSystem.h Update KPMManager.cpp Update KPMManager.h Update KPMTests.cpp Update FileSystem.cpp Update FileSystem.cpp Update FileSystem.h Update KPMManager.cpp Update KPMManager.h Update Mount.cpp Update Mount.h Update PartitionIterator.cpp Update PartitionIterator.h Update PartitionIterator.h Update PartitionQuery.cpp Update PartitionQuery.h Update PartitionSize.cpp Update PartitionSize.h Update Sync.cpp Update Sync.h Update Tests.cpp Update Tests.h Update BoostPython.h Update CalamaresUtilsSystem.cpp Update CalamaresUtilsSystem.h Update CommandList.cpp Update CommandList.h Update Dirs.cpp Update Dirs.h Update Entropy.cpp Update Entropy.h Update Entropy.cpp Update Logger.cpp Update Logger.h Update NamedEnum.h Update NamedSuffix.h Update PluginFactory.cpp Update PluginFactory.h Update RAII.h Update RAII.h Update Retranslator.cpp Update Retranslator.h Update String.cpp Update String.h Update TestPaths.cpp Update Tests.cpp Update Tests.h Update UMask.cpp Update UMask.h Update Units.h Update Variant.cpp Update Variant.h Update Yaml.cpp Update Yaml.h Update moc-warnings.h
2020-05-30 16:15:03 +02:00
* SPDX-FileCopyrightText: 2019-2020 Adriaan de Groot <groot@kde.org>
[libcalamares] Apply SPDX to utils/
2020-08-10 18:21:42 +02:00
* SPDX-License-Identifier: GPL-3.0-or-later
[libcalamares] Add an Entropy service for getting random data - Tries to get the "best" random data - Reports the quality of the random data it got
2020-01-29 16:03:50 +01:00
*
*
* Calamares is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Calamares is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Calamares. If not, see <http://www.gnu.org/licenses/>.
[libcalamares] Update SPDX identifiers. Update CppJob.h Update CalamaresConfig.h.in Update DllMacro.h Update GlobalStorage.cpp Update GlobalStorage.h Update Job.cpp Update Job.h Update JobExample.cpp Update JobExample.h Update JobQueue.cpp Update CalamaresConfig.h.in Update CppJob.cpp Update CppJob.h Update DllMacro.h Update GlobalStorage.cpp Update GlobalStorage.h Update Job.cpp Update Job.h Update JobExample.cpp Update JobExample.h Update JobQueue.h Update ProcessJob.cpp Update ProcessJob.h Update PythonHelper.cpp Update PythonJob.cpp Update PythonJob.h Update PythonHelper.h Update PythonJobApi.cpp Update PythonJobApi.h Update Settings.cpp Update Settings.h Update GeoIPJSON.cpp Update GeoIPJSON.h Update GeoIPTests.cpp Update GeoIPTests.h Update GeoIPXML.cpp Update GeoIPXML.h Update Handler.cpp Update Handler.h Update Interface.cpp Update Interface.h Update test_geoip.cpp Update CountryData_p.cpp Update Label.cpp Update Label.h Update LabelModel.cpp Update LabelModel.h Update CountryData_p.cpp Update CountryData_p.cpp Update Lookup.cpp Update Lookup.h Update Tests.cpp Update Tests.h Update TimeZone.cpp Update TimeZone.h Update TranslatableConfiguration.cpp Update TranslatableConfiguration.h Update ZoneData_p.cxxtr Update cldr-extractor.py Update zone-extractor.py Update Actions.h Update Actions.h Update Descriptor.h Update InstanceKey.cpp Update Module.cpp Update Module.h Update Requirement.cpp Update RequirementsChecker.h Update RequirementsModel.cpp Update RequirementsModel.h Update Tests.cpp Update Manager.cpp Update Manager.h Update Tests.cpp Update FileSystem.cpp Update FileSystem.h Update KPMManager.cpp Update KPMManager.h Update KPMTests.cpp Update FileSystem.cpp Update FileSystem.cpp Update FileSystem.h Update KPMManager.cpp Update KPMManager.h Update Mount.cpp Update Mount.h Update PartitionIterator.cpp Update PartitionIterator.h Update PartitionIterator.h Update PartitionQuery.cpp Update PartitionQuery.h Update PartitionSize.cpp Update PartitionSize.h Update Sync.cpp Update Sync.h Update Tests.cpp Update Tests.h Update BoostPython.h Update CalamaresUtilsSystem.cpp Update CalamaresUtilsSystem.h Update CommandList.cpp Update CommandList.h Update Dirs.cpp Update Dirs.h Update Entropy.cpp Update Entropy.h Update Entropy.cpp Update Logger.cpp Update Logger.h Update NamedEnum.h Update NamedSuffix.h Update PluginFactory.cpp Update PluginFactory.h Update RAII.h Update RAII.h Update Retranslator.cpp Update Retranslator.h Update String.cpp Update String.h Update TestPaths.cpp Update Tests.cpp Update Tests.h Update UMask.cpp Update UMask.h Update Units.h Update Variant.cpp Update Variant.h Update Yaml.cpp Update Yaml.h Update moc-warnings.h
2020-05-30 16:15:03 +02:00
*
[libcalamares] Add an Entropy service for getting random data - Tries to get the "best" random data - Reports the quality of the random data it got
2020-01-29 16:03:50 +01:00
*/
#ifndef UTILS_ENTROPY_H
#define UTILS_ENTROPY_H
#include "DllMacro.h"
#include <QByteArray>
namespace CalamaresUtils
{
/// @brief Which entropy source was actually used for the entropy.
enum class EntropySource
{
[libcalamares] Also report empty buffer as no-entropy
2020-01-29 16:08:33 +01:00
None, ///< Buffer is empty, no random data
[libcalamares] Add an Entropy service for getting random data - Tries to get the "best" random data - Reports the quality of the random data it got
2020-01-29 16:03:50 +01:00
URandom, ///< Read from /dev/urandom
Twister ///< Generated by pseudo-random
};
/** @brief Fill buffer @p b with exactly @p size random bytes
*
* The array is cleared and resized, then filled with 0xcb
* "just in case", after which it is filled with random
* bytes from a suitable source. Returns which source was used.
*/
DLLEXPORT EntropySource getEntropy( int size, QByteArray& b );
[libcalamares] Add printable-entropy (e.g. for password salt)
2020-01-29 16:39:25 +01:00
/** @brief Fill string @p s with exactly @p size random printable ASCII characters
*
* The characters are picked from a set of 64 (2^6). The string
* contains 6 * size bits of entropy. * Returns which source was used.
* @see getEntropy
*/
DLLEXPORT EntropySource getPrintableEntropy( int size, QString& s );
[libcalamares] Add an Entropy service for getting random data - Tries to get the "best" random data - Reports the quality of the random data it got
2020-01-29 16:03:50 +01:00
} // namespace CalamaresUtils
#endif
Reference in New Issue Copy Permalink