passage en objet fini mais segfault
This commit is contained in:
parent
ce9c44583c
commit
a96729198f
1
.idea/.name
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1
.idea/.name
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aes
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12
.idea/aes.iml
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12
.idea/aes.iml
generated
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<?xml version="1.0" encoding="UTF-8"?>
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||||||
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<module type="CPP_MODULE" version="4">
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||||||
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<component name="NewModuleRootManager">
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||||||
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<content url="file://$MODULE_DIR$">
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||||||
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<sourceFolder url="file://$MODULE_DIR$/CMakeLists.txt" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/aes.cpp" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/aes.hpp" isTestSource="false" />
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</content>
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||||||
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<orderEntry type="inheritedJdk" />
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||||||
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<orderEntry type="sourceFolder" forTests="false" />
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||||||
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</component>
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||||||
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</module>
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||||||
6
.idea/encodings.xml
generated
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6
.idea/encodings.xml
generated
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="Encoding">
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<file url="PROJECT" charset="UTF-8" />
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||||||
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</component>
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</project>
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14
.idea/misc.xml
generated
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14
.idea/misc.xml
generated
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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||||||
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<component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
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||||||
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<component name="ProjectLevelVcsManager" settingsEditedManually="false">
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||||||
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<OptionsSetting value="true" id="Add" />
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||||||
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<OptionsSetting value="true" id="Remove" />
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||||||
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<OptionsSetting value="true" id="Checkout" />
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||||||
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<OptionsSetting value="true" id="Update" />
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||||||
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<OptionsSetting value="true" id="Status" />
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||||||
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<OptionsSetting value="true" id="Edit" />
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||||||
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<ConfirmationsSetting value="0" id="Add" />
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||||||
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<ConfirmationsSetting value="0" id="Remove" />
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</component>
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</project>
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8
.idea/modules.xml
generated
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8
.idea/modules.xml
generated
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/aes.iml" filepath="$PROJECT_DIR$/.idea/aes.iml" />
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</modules>
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</component>
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</project>
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6
.idea/vcs.xml
generated
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6
.idea/vcs.xml
generated
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="$PROJECT_DIR$" vcs="Git" />
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</component>
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</project>
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320
.idea/workspace.xml
generated
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320
.idea/workspace.xml
generated
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="CMakeRunConfigurationManager" shouldGenerate="true" assignedExecutableTargets="true" buildAllGenerated="true">
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<generated>
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<config projectName="TP6-7" targetName="clean-all" />
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<config projectName="aes" targetName="aes" />
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<config projectName="aes" targetName="crypto.ex" />
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<config projectName="aes" targetName="clean-all" />
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<config projectName="aes" targetName="crypto" />
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<config projectName="aes" targetName="main" />
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<config projectName="TP6-7" targetName="ArrayGenerique" />
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<config projectName="TP6-7" targetName="dequeSTL" />
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</generated>
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</component>
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<component name="CMakeSettings" AUTO_RELOAD="true" GENERATION_PASS_SYSTEM_ENVIRONMENT="true">
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<ADDITIONAL_GENERATION_ENVIRONMENT>
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<envs />
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</ADDITIONAL_GENERATION_ENVIRONMENT>
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</component>
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<component name="ChangeListManager">
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<list default="true" id="3856e2dc-6394-46af-bb28-0bc107cd1b44" name="Default" comment="">
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<change type="MODIFICATION" beforePath="$PROJECT_DIR$/aes.cpp" afterPath="$PROJECT_DIR$/aes.cpp" />
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<change type="MODIFICATION" beforePath="$PROJECT_DIR$/makefile" afterPath="$PROJECT_DIR$/makefile" />
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</list>
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<ignored path="aes.iws" />
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<ignored path=".idea/workspace.xml" />
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<option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
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<option name="TRACKING_ENABLED" value="true" />
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<option name="SHOW_DIALOG" value="false" />
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<option name="HIGHLIGHT_CONFLICTS" value="true" />
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<option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
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<option name="LAST_RESOLUTION" value="IGNORE" />
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</component>
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<component name="ChangesViewManager" flattened_view="true" show_ignored="false" />
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<component name="CreatePatchCommitExecutor">
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<option name="PATCH_PATH" value="" />
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</component>
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||||||
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<component name="ExecutionTargetManager" SELECTED_TARGET="default_target" />
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<component name="FavoritesManager">
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<favorites_list name="aes" />
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</component>
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<component name="FileEditorManager">
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<leaf>
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<file leaf-file-name="CMakeLists.txt" pinned="false" current-in-tab="false">
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<entry file="file://$PROJECT_DIR$/CMakeLists.txt">
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<provider selected="true" editor-type-id="text-editor">
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<state vertical-scroll-proportion="0.0">
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<caret line="4" column="42" selection-start-line="4" selection-start-column="42" selection-end-line="4" selection-end-column="42" />
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<folding />
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</state>
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</provider>
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</entry>
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</file>
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<file leaf-file-name="aes.cpp" pinned="false" current-in-tab="true">
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<entry file="file://$PROJECT_DIR$/aes.cpp">
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<provider selected="true" editor-type-id="text-editor">
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<state vertical-scroll-proportion="0.25684932">
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<caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
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<folding />
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</state>
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</provider>
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</entry>
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</file>
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<file leaf-file-name="main.cpp" pinned="false" current-in-tab="false">
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<entry file="file://$PROJECT_DIR$/main.cpp">
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<provider selected="true" editor-type-id="text-editor">
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<state vertical-scroll-proportion="0.0">
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<caret line="9" column="25" selection-start-line="9" selection-start-column="25" selection-end-line="9" selection-end-column="25" />
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<folding />
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</state>
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</provider>
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</entry>
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</file>
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<file leaf-file-name="aes.hpp" pinned="false" current-in-tab="false">
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<entry file="file://$PROJECT_DIR$/aes.hpp">
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<provider selected="true" editor-type-id="text-editor">
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<state vertical-scroll-proportion="0.0">
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<caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
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||||||
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<folding />
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||||||
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</state>
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||||||
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</provider>
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</entry>
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</file>
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</leaf>
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</component>
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<component name="Git.Settings">
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<option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
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||||||
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</component>
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<component name="HighlightingSettingsPerFile">
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<setting file="file://$PROJECT_DIR$/aes.cpp" root0="SKIP_INSPECTION" />
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</component>
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<component name="IdeDocumentHistory">
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<option name="CHANGED_PATHS">
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<list>
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||||||
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<option value="$PROJECT_DIR$/CMakeLists.txt" />
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||||||
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<option value="$PROJECT_DIR$/main.cpp" />
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<option value="$PROJECT_DIR$/aes.cpp" />
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</list>
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</option>
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||||||
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</component>
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||||||
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<component name="JsBuildToolGruntFileManager" detection-done="true" />
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<component name="JsBuildToolPackageJson" detection-done="true" />
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||||||
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<component name="JsGulpfileManager">
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||||||
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<detection-done>true</detection-done>
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||||||
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</component>
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||||||
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<component name="ProjectFrameBounds">
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||||||
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<option name="x" value="10" />
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||||||
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<option name="y" value="22" />
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||||||
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<option name="width" value="1346" />
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||||||
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<option name="height" value="703" />
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||||||
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</component>
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||||||
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<component name="ProjectInspectionProfilesVisibleTreeState">
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||||||
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<entry key="Project Default">
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||||||
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<profile-state>
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||||||
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<expanded-state>
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||||||
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<State>
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||||||
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<id />
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||||||
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</State>
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||||||
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<State>
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||||||
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<id>C/C++</id>
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||||||
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</State>
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||||||
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</expanded-state>
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||||||
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<selected-state>
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||||||
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<State>
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||||||
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<id>Unused codeC/C++</id>
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||||||
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</State>
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||||||
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</selected-state>
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||||||
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</profile-state>
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||||||
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</entry>
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||||||
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</component>
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||||||
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<component name="ProjectLevelVcsManager" settingsEditedManually="false">
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||||||
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<OptionsSetting value="true" id="Add" />
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||||||
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<OptionsSetting value="true" id="Remove" />
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||||||
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<OptionsSetting value="true" id="Checkout" />
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||||||
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<OptionsSetting value="true" id="Update" />
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||||||
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<OptionsSetting value="true" id="Status" />
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||||||
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<OptionsSetting value="true" id="Edit" />
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||||||
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<ConfirmationsSetting value="0" id="Add" />
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||||||
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<ConfirmationsSetting value="0" id="Remove" />
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||||||
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</component>
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||||||
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<component name="ProjectView">
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||||||
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<navigator currentView="ProjectPane" proportions="" version="1">
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||||||
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<flattenPackages />
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||||||
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<showMembers />
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||||||
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<showModules />
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||||||
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<showLibraryContents />
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||||||
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<hideEmptyPackages />
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||||||
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<abbreviatePackageNames />
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||||||
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<autoscrollToSource />
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||||||
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<autoscrollFromSource />
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||||||
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<sortByType />
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||||||
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<manualOrder />
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||||||
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<foldersAlwaysOnTop value="true" />
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||||||
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</navigator>
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||||||
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<panes>
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||||||
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<pane id="ProjectPane">
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||||||
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<subPane>
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||||||
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<PATH>
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||||||
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<PATH_ELEMENT>
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||||||
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<option name="myItemId" value="aes" />
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||||||
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<option name="myItemType" value="com.jetbrains.cidr.projectView.CidrFilesViewHelper$MyProjectTreeStructure$1" />
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||||||
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</PATH_ELEMENT>
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||||||
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</PATH>
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||||||
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<PATH>
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||||||
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<PATH_ELEMENT>
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||||||
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<option name="myItemId" value="aes" />
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||||||
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<option name="myItemType" value="com.jetbrains.cidr.projectView.CidrFilesViewHelper$MyProjectTreeStructure$1" />
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||||||
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</PATH_ELEMENT>
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||||||
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<PATH_ELEMENT>
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||||||
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<option name="myItemId" value="aes" />
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||||||
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<option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
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||||||
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</PATH_ELEMENT>
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||||||
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</PATH>
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||||||
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</subPane>
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||||||
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</pane>
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||||||
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</panes>
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||||||
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</component>
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||||||
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<component name="PropertiesComponent">
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||||||
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<property name="settings.editor.selected.configurable" value="configurable.group.appearance" />
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||||||
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<property name="settings.editor.splitter.proportion" value="0.2" />
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||||||
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<property name="js-jscs-nodeInterpreter" value="/usr/bin/node" />
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||||||
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<property name="last_opened_file_path" value="$PROJECT_DIR$/../mif31/ArrayGenerique/CMakeLists.txt" />
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||||||
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</component>
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||||||
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<component name="RunManager" selected="Application.crypto">
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<configuration default="true" type="CMakeGoogleTestRunConfigurationType" factoryName="Google Test" PASS_PARENT_ENVS="FALSE" PROJECT_NAME="aes" TARGET_NAME="aes" CONFIG_NAME="Debug" TEST_MODE="SUITE_TEST">
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||||||
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<envs />
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||||||
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<method />
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||||||
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</configuration>
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||||||
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<configuration default="true" type="CMakeRunConfiguration" factoryName="Application" PASS_PARENT_ENVS="FALSE" PROJECT_NAME="aes" TARGET_NAME="aes" CONFIG_NAME="Debug">
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||||||
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<envs />
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||||||
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<method />
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||||||
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</configuration>
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||||||
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<configuration default="true" type="JavascriptDebugType" factoryName="JavaScript Debug">
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||||||
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<method />
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||||||
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</configuration>
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||||||
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<configuration default="true" type="js.build_tools.gulp" factoryName="Gulp.js">
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||||||
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<method />
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||||||
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</configuration>
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||||||
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<configuration default="true" type="js.build_tools.npm" factoryName="npm">
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||||||
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<command value="run-script" />
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||||||
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<scripts />
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||||||
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<envs />
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||||||
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<method />
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||||||
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</configuration>
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||||||
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<configuration default="false" name="Build All" type="CMakeRunConfiguration" factoryName="Application" WORKING_DIR="" PASS_PARENT_ENVS="FALSE" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="aes" RUN_TARGET_NAME="crypto.ex" EXPLICIT_BUILD_TARGET_NAME="all">
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||||||
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<envs />
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||||||
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<method />
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||||||
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</configuration>
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||||||
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<configuration default="false" name="crypto" type="CMakeRunConfiguration" factoryName="Application" PROGRAM_PARAMS="file.txt" WORKING_DIR="file://$PROJECT_DIR$" PASS_PARENT_ENVS="FALSE" PROJECT_NAME="aes" TARGET_NAME="crypto.ex" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="aes" RUN_TARGET_NAME="crypto.ex">
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||||||
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<envs />
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||||||
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<method />
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||||||
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</configuration>
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||||||
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<list size="2">
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||||||
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<item index="0" class="java.lang.String" itemvalue="Application.Build All" />
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||||||
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<item index="1" class="java.lang.String" itemvalue="Application.crypto" />
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||||||
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</list>
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||||||
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</component>
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||||||
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<component name="ShelveChangesManager" show_recycled="false" />
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||||||
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<component name="SvnConfiguration">
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||||||
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<configuration />
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||||||
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</component>
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||||||
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<component name="TaskManager">
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||||||
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<task active="true" id="Default" summary="Default task">
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||||||
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<changelist id="3856e2dc-6394-46af-bb28-0bc107cd1b44" name="Default" comment="" />
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||||||
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<created>1453148077173</created>
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||||||
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<option name="number" value="Default" />
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||||||
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<updated>1453148077173</updated>
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||||||
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</task>
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||||||
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<servers />
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||||||
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</component>
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||||||
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<component name="ToolWindowManager">
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||||||
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<frame x="10" y="22" width="1346" height="703" extended-state="0" />
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||||||
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<editor active="false" />
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||||||
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<layout>
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||||||
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<window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
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||||||
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<window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3289689" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
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||||||
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<window_info id="CMake" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3289689" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
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||||||
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<window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="true" content_ui="tabs" />
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||||||
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<window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.39934534" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
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||||||
|
<window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3289689" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.1376488" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
|
||||||
|
<window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="true" content_ui="tabs" />
|
||||||
|
<window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
|
||||||
|
<window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
|
||||||
|
<window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
|
||||||
|
</layout>
|
||||||
|
</component>
|
||||||
|
<component name="Vcs.Log.UiProperties">
|
||||||
|
<option name="RECENTLY_FILTERED_USER_GROUPS">
|
||||||
|
<collection />
|
||||||
|
</option>
|
||||||
|
<option name="RECENTLY_FILTERED_BRANCH_GROUPS">
|
||||||
|
<collection />
|
||||||
|
</option>
|
||||||
|
</component>
|
||||||
|
<component name="VcsContentAnnotationSettings">
|
||||||
|
<option name="myLimit" value="2678400000" />
|
||||||
|
</component>
|
||||||
|
<component name="XDebuggerManager">
|
||||||
|
<breakpoint-manager />
|
||||||
|
<watches-manager />
|
||||||
|
</component>
|
||||||
|
<component name="editorHistoryManager">
|
||||||
|
<entry file="file://$PROJECT_DIR$/file.txt">
|
||||||
|
<provider selected="true" editor-type-id="text-editor">
|
||||||
|
<state vertical-scroll-proportion="0.0">
|
||||||
|
<caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
|
||||||
|
<folding />
|
||||||
|
</state>
|
||||||
|
</provider>
|
||||||
|
</entry>
|
||||||
|
<entry file="file://$PROJECT_DIR$/makefile">
|
||||||
|
<provider selected="true" editor-type-id="text-editor">
|
||||||
|
<state vertical-scroll-proportion="0.025684932">
|
||||||
|
<caret line="1" column="58" selection-start-line="1" selection-start-column="58" selection-end-line="1" selection-end-column="58" />
|
||||||
|
<folding />
|
||||||
|
</state>
|
||||||
|
</provider>
|
||||||
|
</entry>
|
||||||
|
<entry file="file://$PROJECT_DIR$/aes.hpp">
|
||||||
|
<provider selected="true" editor-type-id="text-editor">
|
||||||
|
<state vertical-scroll-proportion="0.0">
|
||||||
|
<caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
|
||||||
|
<folding />
|
||||||
|
</state>
|
||||||
|
</provider>
|
||||||
|
</entry>
|
||||||
|
<entry file="file://$PROJECT_DIR$/main.cpp">
|
||||||
|
<provider selected="true" editor-type-id="text-editor">
|
||||||
|
<state vertical-scroll-proportion="0.0">
|
||||||
|
<caret line="9" column="25" selection-start-line="9" selection-start-column="25" selection-end-line="9" selection-end-column="25" />
|
||||||
|
<folding />
|
||||||
|
</state>
|
||||||
|
</provider>
|
||||||
|
</entry>
|
||||||
|
<entry file="file://$PROJECT_DIR$/CMakeLists.txt">
|
||||||
|
<provider selected="true" editor-type-id="text-editor">
|
||||||
|
<state vertical-scroll-proportion="0.0">
|
||||||
|
<caret line="4" column="42" selection-start-line="4" selection-start-column="42" selection-end-line="4" selection-end-column="42" />
|
||||||
|
<folding />
|
||||||
|
</state>
|
||||||
|
</provider>
|
||||||
|
</entry>
|
||||||
|
<entry file="file://$PROJECT_DIR$/aes.cpp">
|
||||||
|
<provider selected="true" editor-type-id="text-editor">
|
||||||
|
<state vertical-scroll-proportion="0.25684932">
|
||||||
|
<caret line="10" column="0" selection-start-line="10" selection-start-column="0" selection-end-line="10" selection-end-column="0" />
|
||||||
|
<folding />
|
||||||
|
</state>
|
||||||
|
</provider>
|
||||||
|
</entry>
|
||||||
|
</component>
|
||||||
|
</project>
|
||||||
8
CMakeLists.txt
Normal file
8
CMakeLists.txt
Normal file
@ -0,0 +1,8 @@
|
|||||||
|
cmake_minimum_required(VERSION 3.3)
|
||||||
|
project(aes)
|
||||||
|
|
||||||
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -ggdb -lcrypto")
|
||||||
|
include_directories("/usr/include/openssl/")
|
||||||
|
|
||||||
|
set(SOURCE_FILES aes.cpp)
|
||||||
|
add_executable(crypto.ex ${SOURCE_FILES})
|
||||||
279
aes.cpp
279
aes.cpp
@ -1,256 +1,83 @@
|
|||||||
#include <openssl/evp.h>
|
#include "aes.hpp"
|
||||||
#include <openssl/pem.h>
|
#include "crypt.hpp"
|
||||||
#include <openssl/aes.h>
|
#include "decrypt.hpp"
|
||||||
#include <openssl/err.h>
|
|
||||||
#include <openssl/rand.h>
|
|
||||||
|
|
||||||
#include <iostream>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <string>
|
|
||||||
#include <string.h>
|
|
||||||
|
|
||||||
#define FAILURE -1
|
|
||||||
#define SUCCESS 0
|
|
||||||
|
|
||||||
#define AES_KEYLEN 256
|
|
||||||
#define AES_ROUNDS 6
|
|
||||||
|
|
||||||
|
|
||||||
int aesDecrypt(EVP_CIPHER_CTX* aesDecryptCtx, unsigned char* aesKey, unsigned char* aesIV, unsigned char *encMsg, size_t encMsgLen, unsigned char **decMsg) {
|
|
||||||
size_t decLen = 0;
|
|
||||||
size_t blockLen = 0;
|
|
||||||
|
|
||||||
*decMsg = (unsigned char*)malloc(encMsgLen);
|
|
||||||
if(*decMsg == NULL) return FAILURE;
|
|
||||||
|
|
||||||
if(!EVP_DecryptInit_ex(aesDecryptCtx, EVP_aes_256_cbc(), NULL, aesKey, aesIV)) {
|
|
||||||
return FAILURE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if(!EVP_DecryptUpdate(aesDecryptCtx, (unsigned char*)*decMsg, (int*)&blockLen, encMsg, (int)encMsgLen)) {
|
|
||||||
return FAILURE;
|
|
||||||
}
|
|
||||||
decLen += blockLen;
|
|
||||||
|
|
||||||
if(!EVP_DecryptFinal_ex(aesDecryptCtx, (unsigned char*)*decMsg + decLen, (int*)&blockLen)) {
|
|
||||||
return FAILURE;
|
|
||||||
}
|
|
||||||
decLen += blockLen;
|
|
||||||
|
|
||||||
EVP_CIPHER_CTX_cleanup(aesDecryptCtx);
|
|
||||||
|
|
||||||
return (int)decLen;
|
|
||||||
}
|
|
||||||
|
|
||||||
int aesEncrypt(EVP_CIPHER_CTX* aesEncryptCtx, unsigned char* aesKey, unsigned char* aesIV, const unsigned char *msg, size_t msgLen, unsigned char **encMsg) {
|
|
||||||
size_t blockLen = 0;
|
|
||||||
size_t encMsgLen = 0;
|
|
||||||
|
|
||||||
*encMsg = (unsigned char*)malloc(msgLen + AES_BLOCK_SIZE);
|
|
||||||
if(encMsg == NULL) return FAILURE;
|
|
||||||
|
|
||||||
if(!EVP_EncryptInit_ex(aesEncryptCtx, EVP_aes_256_cbc(), NULL, aesKey, aesIV)) {
|
|
||||||
return FAILURE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if(!EVP_EncryptUpdate(aesEncryptCtx, *encMsg, (int*)&blockLen, (unsigned char*)msg, msgLen)) {
|
|
||||||
return FAILURE;
|
|
||||||
}
|
|
||||||
encMsgLen += blockLen;
|
|
||||||
|
|
||||||
if(!EVP_EncryptFinal_ex(aesEncryptCtx, *encMsg + encMsgLen, (int*)&blockLen)) {
|
|
||||||
return FAILURE;
|
|
||||||
}
|
|
||||||
|
|
||||||
EVP_CIPHER_CTX_cleanup(aesEncryptCtx);
|
|
||||||
|
|
||||||
return encMsgLen + blockLen;
|
|
||||||
}
|
|
||||||
|
|
||||||
void clear_all(EVP_CIPHER_CTX* aesEncryptCtx, EVP_CIPHER_CTX* aesDecryptCtx, unsigned char* aesKey, unsigned char* aesIV) {
|
|
||||||
EVP_CIPHER_CTX_cleanup(aesEncryptCtx);
|
|
||||||
EVP_CIPHER_CTX_cleanup(aesDecryptCtx);
|
|
||||||
|
|
||||||
free(aesEncryptCtx);
|
|
||||||
free(aesDecryptCtx);
|
|
||||||
|
|
||||||
free(aesIV);
|
|
||||||
free(aesKey);
|
|
||||||
}
|
|
||||||
|
|
||||||
void init_all(EVP_CIPHER_CTX* aesEncryptCtx, EVP_CIPHER_CTX* aesDecryptCtx, unsigned char* aesKey, unsigned char* aesIV) {
|
|
||||||
EVP_CIPHER_CTX_init(aesEncryptCtx);
|
|
||||||
EVP_CIPHER_CTX_init(aesDecryptCtx);
|
|
||||||
|
|
||||||
unsigned char *aesPass = (unsigned char*)malloc(AES_KEYLEN/8);
|
|
||||||
unsigned char *aesSalt = (unsigned char*)malloc(8);
|
|
||||||
|
|
||||||
if(aesKey == NULL || aesIV == NULL || aesPass == NULL || aesSalt == NULL) {
|
|
||||||
exit(FAILURE);
|
|
||||||
}
|
|
||||||
|
|
||||||
#define USE_PBKDF
|
|
||||||
#ifdef USE_PBKDF
|
|
||||||
std::cerr << "utilisation de USE_PBKDF" << std::endl;
|
|
||||||
// Get some random data to use as the AES pass and salt
|
|
||||||
if(RAND_bytes(aesPass, AES_KEYLEN/8) == 0) {
|
|
||||||
exit(FAILURE);
|
|
||||||
}
|
|
||||||
|
|
||||||
if(RAND_bytes(aesSalt, 8) == 0) {
|
|
||||||
exit(FAILURE);
|
|
||||||
}
|
|
||||||
|
|
||||||
if(EVP_BytesToKey(EVP_aes_256_cbc(), EVP_sha256(), aesSalt, aesPass, AES_KEYLEN/8, AES_ROUNDS, aesKey, aesIV) == 0) {
|
|
||||||
exit(FAILURE);
|
|
||||||
}
|
|
||||||
#else
|
|
||||||
if(RAND_bytes(aesKey, AES_KEYLEN/8) == 0) {
|
|
||||||
exit(FAILURE);
|
|
||||||
}
|
|
||||||
|
|
||||||
if(RAND_bytes(aesIV, AES_KEYLEN/8) == 0) {
|
|
||||||
exit(FAILURE);
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
free(aesPass);
|
|
||||||
free(aesSalt);
|
|
||||||
}
|
|
||||||
|
|
||||||
void writeFile(char *filename, unsigned char *file, size_t fileLength) {
|
|
||||||
FILE *fd = fopen(filename, "wb");
|
|
||||||
if(fd == NULL) {
|
|
||||||
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
size_t bytesWritten = fwrite(file, 1, fileLength, fd);
|
|
||||||
|
|
||||||
if(bytesWritten != fileLength) {
|
|
||||||
fprintf(stderr, "Failed to write file\n");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
fclose(fd);
|
|
||||||
}
|
|
||||||
|
|
||||||
int readFile(char *filename, unsigned char **file) {
|
|
||||||
FILE *fd = fopen(filename, "rb");
|
|
||||||
if(fd == NULL) {
|
|
||||||
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Determine size of the file
|
|
||||||
fseek(fd, 0, SEEK_END);
|
|
||||||
size_t fileLength = ftell(fd);
|
|
||||||
fseek(fd, 0, SEEK_SET);
|
|
||||||
|
|
||||||
// Allocate space for the file
|
|
||||||
*file = (unsigned char*)malloc(fileLength);
|
|
||||||
if(*file == NULL) {
|
|
||||||
fprintf(stderr, "Failed to allocate memory\n");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Read the file into the buffer
|
|
||||||
size_t bytesRead = fread(*file, 1, fileLength, fd);
|
|
||||||
|
|
||||||
if(bytesRead != fileLength) {
|
|
||||||
fprintf(stderr, "Error reading file\n");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
fclose(fd);
|
|
||||||
|
|
||||||
return fileLength;
|
|
||||||
}
|
|
||||||
|
|
||||||
int main(int argc, char* argv[]) {
|
int main(int argc, char* argv[]) {
|
||||||
if(argc != 2) {
|
if(argc != 2) {
|
||||||
fprintf(stderr, "No file argument supplied.\n");
|
std::cerr << "No file argument supplied.\n";
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
EVP_CIPHER_CTX* aesEncryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
|
|
||||||
EVP_CIPHER_CTX* aesDecryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
|
|
||||||
if(aesDecryptCtx == NULL || aesEncryptCtx == NULL) {
|
|
||||||
return FAILURE;
|
|
||||||
}
|
|
||||||
|
|
||||||
unsigned char* aesKey = (unsigned char*)malloc(AES_KEYLEN/8);
|
|
||||||
unsigned char* aesIV = (unsigned char*)malloc(AES_KEYLEN/8);
|
|
||||||
|
|
||||||
init_all(aesEncryptCtx, aesDecryptCtx, aesKey, aesIV);
|
|
||||||
|
|
||||||
//***************************************************
|
//***************************************************
|
||||||
char* filename = argv[1];
|
char* filename = argv[1];
|
||||||
|
|
||||||
|
aes O = crypt(filename);
|
||||||
|
|
||||||
// Read the file to encrypt
|
// Read the file to encrypt
|
||||||
unsigned char *file;
|
unsigned char *file;
|
||||||
size_t fileLength = readFile(filename, &file);
|
// readFile fait l'aloccation mémoire !!! pensé au free
|
||||||
|
size_t fileLength = O.readFile(&file);
|
||||||
printf("%d bytes to be encrypted\n", (int)fileLength);
|
printf("%d bytes to be encrypted\n", (int)fileLength);
|
||||||
|
|
||||||
// Encrypt the file
|
// Encrypt the file
|
||||||
unsigned char *encryptedFile;
|
unsigned char *encryptedFile;
|
||||||
int encryptedFileLength;
|
int encryptedFileLength;
|
||||||
if((encryptedFileLength = aesEncrypt(aesEncryptCtx, aesKey, aesIV, (const unsigned char*)file, fileLength, &encryptedFile)) == -1) {
|
|
||||||
fprintf(stderr, "Encryption failed\n");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
printf("%d bytes encrypted\n", encryptedFileLength);
|
|
||||||
|
|
||||||
// Append .enc to the filename
|
crypt temp = static_cast<crypt>(O);
|
||||||
char *encryptedFilename = (char*)malloc(strlen(filename) + 5);
|
|
||||||
if(encryptedFilename == NULL) {
|
|
||||||
fprintf(stderr, "Failed to allocate memory\n");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
sprintf(encryptedFilename, "%s.enc", filename);
|
|
||||||
|
|
||||||
// Write the encrypted file to its own file
|
// if((encryptedFileLength = (temp).aesEncrypt((const unsigned char*)file, fileLength, &encryptedFile) ) == -1) {
|
||||||
writeFile(encryptedFilename, encryptedFile, encryptedFileLength);
|
// fprintf(stderr, "Encryption failed\n");
|
||||||
|
// return 1;
|
||||||
|
// }
|
||||||
|
// printf("%d bytes encrypted\n", encryptedFileLength);
|
||||||
|
|
||||||
std::cerr << "aesKey : ";
|
// // Append .enc to the filename
|
||||||
for (int i = 0; i < 32; i++) {
|
// char *encryptedFilename = (char*)malloc(strlen(filename) + 5);
|
||||||
std::cerr << std::hex << aesKey[i];
|
// if(encryptedFilename == NULL) {
|
||||||
}
|
// fprintf(stderr, "Failed to allocate memory\n");
|
||||||
std::cerr << std::endl;
|
// return 1;
|
||||||
|
// }
|
||||||
|
// sprintf(encryptedFilename, "%s.enc", filename);
|
||||||
|
|
||||||
printf("Encrypted message written to \"%s\"\n", encryptedFilename);
|
// // Write the encrypted file to its own file
|
||||||
|
// writeFile(encryptedFilename, encryptedFile, encryptedFileLength);
|
||||||
|
|
||||||
|
// std::cerr << "aesKey : ";
|
||||||
|
// for (int i = 0; i < 32; i++) {
|
||||||
|
// std::cerr << std::hex << aesKey[i];
|
||||||
|
// }
|
||||||
|
// std::cerr << std::endl;
|
||||||
|
|
||||||
|
// printf("Encrypted message written to \"%s\"\n", encryptedFilename);
|
||||||
|
|
||||||
free(file);
|
free(file);
|
||||||
//***************************************************
|
// //***************************************************
|
||||||
|
|
||||||
fileLength = readFile(encryptedFilename, &file);
|
// fileLength = readFile(encryptedFilename, &file);
|
||||||
|
|
||||||
// Decrypt the encrypted file
|
// // Decrypt the encrypted file
|
||||||
unsigned char *decryptedFile;
|
// unsigned char *decryptedFile;
|
||||||
int decryptedFileLength;
|
// int decryptedFileLength;
|
||||||
if((decryptedFileLength = aesDecrypt(aesDecryptCtx, aesKey, aesIV, file, fileLength, &decryptedFile)) == -1) {
|
// if((decryptedFileLength = aesDecrypt(aesDecryptCtx, aesKey, aesIV, file, fileLength, &decryptedFile)) == -1) {
|
||||||
fprintf(stderr, "Decryption failed\n");
|
// fprintf(stderr, "Decryption failed\n");
|
||||||
return 1;
|
// return 1;
|
||||||
}
|
// }
|
||||||
printf("%d bytes decrypted\n", (int)decryptedFileLength);
|
// printf("%d bytes decrypted\n", (int)decryptedFileLength);
|
||||||
|
|
||||||
// Append .dec to the filename
|
// // Append .dec to the filename
|
||||||
char *decryptedFilename = (char*)malloc(strlen(filename) + 5);
|
// char *decryptedFilename = (char*)malloc(strlen(filename) + 5);
|
||||||
if(decryptedFilename == NULL) {
|
// if(decryptedFilename == NULL) {
|
||||||
fprintf(stderr, "Failed to allocate memory\n");
|
// fprintf(stderr, "Failed to allocate memory\n");
|
||||||
return 1;
|
// return 1;
|
||||||
}
|
// }
|
||||||
sprintf(decryptedFilename, "%s.dec", filename);
|
// sprintf(decryptedFilename, "%s.dec", filename);
|
||||||
|
|
||||||
// Write the decrypted file to its own file
|
// // Write the decrypted file to its own file
|
||||||
writeFile(decryptedFilename, decryptedFile, decryptedFileLength);
|
// writeFile(decryptedFilename, decryptedFile, decryptedFileLength);
|
||||||
printf("Decrypted file written to \"%s\"\n", decryptedFilename);
|
// printf("Decrypted file written to \"%s\"\n", decryptedFilename);
|
||||||
|
|
||||||
free(decryptedFile);
|
// free(decryptedFile);
|
||||||
free(file);
|
// free(file);
|
||||||
|
|
||||||
|
|
||||||
//***************************************************
|
|
||||||
clear_all(aesEncryptCtx, aesDecryptCtx, aesKey, aesIV);
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
256
aes.cpp.save
Normal file
256
aes.cpp.save
Normal file
@ -0,0 +1,256 @@
|
|||||||
|
#include <iostream>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <string>
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
#include <openssl/evp.h>
|
||||||
|
#include <openssl/pem.h>
|
||||||
|
#include <openssl/aes.h>
|
||||||
|
#include <openssl/err.h>
|
||||||
|
#include <openssl/rand.h>
|
||||||
|
|
||||||
|
#define FAILURE -1
|
||||||
|
#define SUCCESS 0
|
||||||
|
|
||||||
|
#define AES_KEYLEN 256
|
||||||
|
#define AES_ROUNDS 6
|
||||||
|
|
||||||
|
|
||||||
|
int aesDecrypt(EVP_CIPHER_CTX* aesDecryptCtx, unsigned char* aesKey, unsigned char* aesIV, unsigned char *encMsg, size_t encMsgLen, unsigned char **decMsg) {
|
||||||
|
size_t decLen = 0;
|
||||||
|
size_t blockLen = 0;
|
||||||
|
|
||||||
|
*decMsg = (unsigned char*)malloc(encMsgLen);
|
||||||
|
if(*decMsg == NULL) return FAILURE;
|
||||||
|
|
||||||
|
if(!EVP_DecryptInit_ex(aesDecryptCtx, EVP_aes_256_cbc(), NULL, aesKey, aesIV)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!EVP_DecryptUpdate(aesDecryptCtx, (unsigned char*)*decMsg, (int*)&blockLen, encMsg, (int)encMsgLen)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
decLen += blockLen;
|
||||||
|
|
||||||
|
if(!EVP_DecryptFinal_ex(aesDecryptCtx, (unsigned char*)*decMsg + decLen, (int*)&blockLen)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
decLen += blockLen;
|
||||||
|
|
||||||
|
EVP_CIPHER_CTX_cleanup(aesDecryptCtx);
|
||||||
|
|
||||||
|
return (int)decLen;
|
||||||
|
}
|
||||||
|
|
||||||
|
int aesEncrypt(EVP_CIPHER_CTX* aesEncryptCtx, unsigned char* aesKey, unsigned char* aesIV, const unsigned char *msg, size_t msgLen, unsigned char **encMsg) {
|
||||||
|
size_t blockLen = 0;
|
||||||
|
size_t encMsgLen = 0;
|
||||||
|
|
||||||
|
*encMsg = (unsigned char*)malloc(msgLen + AES_BLOCK_SIZE);
|
||||||
|
if(encMsg == NULL) return FAILURE;
|
||||||
|
|
||||||
|
if(!EVP_EncryptInit_ex(aesEncryptCtx, EVP_aes_256_cbc(), NULL, aesKey, aesIV)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!EVP_EncryptUpdate(aesEncryptCtx, *encMsg, (int*)&blockLen, (unsigned char*)msg, msgLen)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
encMsgLen += blockLen;
|
||||||
|
|
||||||
|
if(!EVP_EncryptFinal_ex(aesEncryptCtx, *encMsg + encMsgLen, (int*)&blockLen)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
EVP_CIPHER_CTX_cleanup(aesEncryptCtx);
|
||||||
|
|
||||||
|
return encMsgLen + blockLen;
|
||||||
|
}
|
||||||
|
|
||||||
|
void clear_all(EVP_CIPHER_CTX* aesEncryptCtx, EVP_CIPHER_CTX* aesDecryptCtx, unsigned char* aesKey, unsigned char* aesIV) {
|
||||||
|
EVP_CIPHER_CTX_cleanup(aesEncryptCtx);
|
||||||
|
EVP_CIPHER_CTX_cleanup(aesDecryptCtx);
|
||||||
|
|
||||||
|
free(aesEncryptCtx);
|
||||||
|
free(aesDecryptCtx);
|
||||||
|
|
||||||
|
free(aesIV);
|
||||||
|
free(aesKey);
|
||||||
|
}
|
||||||
|
|
||||||
|
void init_all(EVP_CIPHER_CTX* aesEncryptCtx, EVP_CIPHER_CTX* aesDecryptCtx, unsigned char* aesKey, unsigned char* aesIV) {
|
||||||
|
EVP_CIPHER_CTX_init(aesEncryptCtx);
|
||||||
|
EVP_CIPHER_CTX_init(aesDecryptCtx);
|
||||||
|
|
||||||
|
unsigned char *aesPass = (unsigned char*)malloc(AES_KEYLEN/8);
|
||||||
|
unsigned char *aesSalt = (unsigned char*)malloc(8);
|
||||||
|
|
||||||
|
if(aesKey == NULL || aesIV == NULL || aesPass == NULL || aesSalt == NULL) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
#define USE_PBKDF
|
||||||
|
#ifdef USE_PBKDF
|
||||||
|
std::cerr << "utilisation de USE_PBKDF" << std::endl;
|
||||||
|
// Get some random data to use as the AES pass and salt
|
||||||
|
if(RAND_bytes(aesPass, AES_KEYLEN/8) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if(RAND_bytes(aesSalt, 8) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if(EVP_BytesToKey(EVP_aes_256_cbc(), EVP_sha256(), aesSalt, aesPass, AES_KEYLEN/8, AES_ROUNDS, aesKey, aesIV) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
#else
|
||||||
|
if(RAND_bytes(aesKey, AES_KEYLEN/8) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if(RAND_bytes(aesIV, AES_KEYLEN/8) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
free(aesPass);
|
||||||
|
free(aesSalt);
|
||||||
|
}
|
||||||
|
|
||||||
|
void writeFile(char *filename, unsigned char *file, size_t fileLength) {
|
||||||
|
FILE *fd = fopen(filename, "wb");
|
||||||
|
if(fd == NULL) {
|
||||||
|
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t bytesWritten = fwrite(file, 1, fileLength, fd);
|
||||||
|
|
||||||
|
if(bytesWritten != fileLength) {
|
||||||
|
fprintf(stderr, "Failed to write file\n");
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
fclose(fd);
|
||||||
|
}
|
||||||
|
|
||||||
|
int readFile(char *filename, unsigned char **file) {
|
||||||
|
FILE *fd = fopen(filename, "rb");
|
||||||
|
if(fd == NULL) {
|
||||||
|
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Determine size of the file
|
||||||
|
fseek(fd, 0, SEEK_END);
|
||||||
|
size_t fileLength = ftell(fd);
|
||||||
|
fseek(fd, 0, SEEK_SET);
|
||||||
|
|
||||||
|
// Allocate space for the file
|
||||||
|
*file = (unsigned char*)malloc(fileLength);
|
||||||
|
if(*file == NULL) {
|
||||||
|
fprintf(stderr, "Failed to allocate memory\n");
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Read the file into the buffer
|
||||||
|
size_t bytesRead = fread(*file, 1, fileLength, fd);
|
||||||
|
|
||||||
|
if(bytesRead != fileLength) {
|
||||||
|
fprintf(stderr, "Error reading file\n");
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
fclose(fd);
|
||||||
|
|
||||||
|
return fileLength;
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char* argv[]) {
|
||||||
|
if(argc != 2) {
|
||||||
|
fprintf(stderr, "No file argument supplied.\n");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
EVP_CIPHER_CTX* aesEncryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
|
||||||
|
EVP_CIPHER_CTX* aesDecryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
|
||||||
|
if(aesDecryptCtx == NULL || aesEncryptCtx == NULL) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
unsigned char* aesKey = (unsigned char*)malloc(AES_KEYLEN/8);
|
||||||
|
unsigned char* aesIV = (unsigned char*)malloc(AES_KEYLEN/8);
|
||||||
|
|
||||||
|
init_all(aesEncryptCtx, aesDecryptCtx, aesKey, aesIV);
|
||||||
|
|
||||||
|
//***************************************************
|
||||||
|
char* filename = argv[1];
|
||||||
|
|
||||||
|
// Read the file to encrypt
|
||||||
|
unsigned char *file;
|
||||||
|
size_t fileLength = readFile(filename, &file);
|
||||||
|
printf("%d bytes to be encrypted\n", (int)fileLength);
|
||||||
|
|
||||||
|
// Encrypt the file
|
||||||
|
unsigned char *encryptedFile;
|
||||||
|
int encryptedFileLength;
|
||||||
|
if((encryptedFileLength = aesEncrypt(aesEncryptCtx, aesKey, aesIV, (const unsigned char*)file, fileLength, &encryptedFile)) == -1) {
|
||||||
|
fprintf(stderr, "Encryption failed\n");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
printf("%d bytes encrypted\n", encryptedFileLength);
|
||||||
|
|
||||||
|
// Append .enc to the filename
|
||||||
|
char *encryptedFilename = (char*)malloc(strlen(filename) + 5);
|
||||||
|
if(encryptedFilename == NULL) {
|
||||||
|
fprintf(stderr, "Failed to allocate memory\n");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
sprintf(encryptedFilename, "%s.enc", filename);
|
||||||
|
|
||||||
|
// Write the encrypted file to its own file
|
||||||
|
writeFile(encryptedFilename, encryptedFile, encryptedFileLength);
|
||||||
|
|
||||||
|
std::cerr << "aesKey : ";
|
||||||
|
for (int i = 0; i < 32; i++) {
|
||||||
|
std::cerr << std::hex << aesKey[i];
|
||||||
|
}
|
||||||
|
std::cerr << std::endl;
|
||||||
|
|
||||||
|
printf("Encrypted message written to \"%s\"\n", encryptedFilename);
|
||||||
|
|
||||||
|
free(file);
|
||||||
|
//***************************************************
|
||||||
|
|
||||||
|
fileLength = readFile(encryptedFilename, &file);
|
||||||
|
|
||||||
|
// Decrypt the encrypted file
|
||||||
|
unsigned char *decryptedFile;
|
||||||
|
int decryptedFileLength;
|
||||||
|
if((decryptedFileLength = aesDecrypt(aesDecryptCtx, aesKey, aesIV, file, fileLength, &decryptedFile)) == -1) {
|
||||||
|
fprintf(stderr, "Decryption failed\n");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
printf("%d bytes decrypted\n", (int)decryptedFileLength);
|
||||||
|
|
||||||
|
// Append .dec to the filename
|
||||||
|
char *decryptedFilename = (char*)malloc(strlen(filename) + 5);
|
||||||
|
if(decryptedFilename == NULL) {
|
||||||
|
fprintf(stderr, "Failed to allocate memory\n");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
sprintf(decryptedFilename, "%s.dec", filename);
|
||||||
|
|
||||||
|
// Write the decrypted file to its own file
|
||||||
|
writeFile(decryptedFilename, decryptedFile, decryptedFileLength);
|
||||||
|
printf("Decrypted file written to \"%s\"\n", decryptedFilename);
|
||||||
|
|
||||||
|
free(decryptedFile);
|
||||||
|
free(file);
|
||||||
|
|
||||||
|
|
||||||
|
//***************************************************
|
||||||
|
clear_all(aesEncryptCtx, aesDecryptCtx, aesKey, aesIV);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
143
aes.hpp
143
aes.hpp
@ -0,0 +1,143 @@
|
|||||||
|
#ifndef _AES
|
||||||
|
#define _AES
|
||||||
|
|
||||||
|
#include <iostream>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <string>
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
#include <openssl/evp.h>
|
||||||
|
#include <openssl/pem.h>
|
||||||
|
#include <openssl/aes.h>
|
||||||
|
#include <openssl/err.h>
|
||||||
|
#include <openssl/rand.h>
|
||||||
|
|
||||||
|
#define FAILURE -1
|
||||||
|
#define SUCCESS 0
|
||||||
|
|
||||||
|
#define AES_KEYLEN 256
|
||||||
|
#define AES_ROUNDS 6
|
||||||
|
|
||||||
|
class aes {
|
||||||
|
protected:
|
||||||
|
unsigned char* aesKey;
|
||||||
|
unsigned char* aesIV;
|
||||||
|
private:
|
||||||
|
std::string filename;
|
||||||
|
|
||||||
|
public:
|
||||||
|
aes(std::string _filename);
|
||||||
|
aes(const aes& _e);
|
||||||
|
void init_all();
|
||||||
|
void writeFile(unsigned char *file, size_t fileLength);
|
||||||
|
int readFile(unsigned char **file);
|
||||||
|
void clear_all();
|
||||||
|
~aes();
|
||||||
|
};
|
||||||
|
|
||||||
|
aes::aes(std::string _filename) {
|
||||||
|
filename = _filename;
|
||||||
|
aesKey = (unsigned char*)malloc(AES_KEYLEN/8);
|
||||||
|
aesIV = (unsigned char*)malloc(AES_KEYLEN/8);
|
||||||
|
}
|
||||||
|
|
||||||
|
aes::aes(const aes& _e) : filename(_e.filename) {
|
||||||
|
std::cerr << "salut\n";
|
||||||
|
}
|
||||||
|
|
||||||
|
void aes::init_all() {
|
||||||
|
|
||||||
|
unsigned char *aesPass = (unsigned char*)malloc(AES_KEYLEN/8);
|
||||||
|
unsigned char *aesSalt = (unsigned char*)malloc(8);
|
||||||
|
|
||||||
|
if(aesKey == NULL || aesIV == NULL || aesPass == NULL || aesSalt == NULL) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
#define USE_PBKDF
|
||||||
|
#ifdef USE_PBKDF
|
||||||
|
std::cerr << "utilisation de USE_PBKDF" << std::endl;
|
||||||
|
// Get some random data to use as the AES pass and salt
|
||||||
|
if(RAND_bytes(aesPass, AES_KEYLEN/8) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if(RAND_bytes(aesSalt, 8) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if(EVP_BytesToKey(EVP_aes_256_cbc(), EVP_sha256(), aesSalt, aesPass, AES_KEYLEN/8, AES_ROUNDS, aesKey, aesIV) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
#else
|
||||||
|
if(RAND_bytes(aesKey, AES_KEYLEN/8) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if(RAND_bytes(aesIV, AES_KEYLEN/8) == 0) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
free(aesPass);
|
||||||
|
free(aesSalt);
|
||||||
|
}
|
||||||
|
|
||||||
|
// peut être déporté le buffer lut avec methode pour travaillé dessus
|
||||||
|
int aes::readFile(unsigned char **file) {
|
||||||
|
FILE *fd = fopen(filename.c_str(), "rb");
|
||||||
|
if(fd == NULL) {
|
||||||
|
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Determine size of the file
|
||||||
|
fseek(fd, 0, SEEK_END);
|
||||||
|
size_t fileLength = ftell(fd);
|
||||||
|
fseek(fd, 0, SEEK_SET);
|
||||||
|
|
||||||
|
// Allocate space for the file
|
||||||
|
*file = (unsigned char*)malloc(fileLength);
|
||||||
|
if(*file == NULL) {
|
||||||
|
fprintf(stderr, "Failed to allocate memory\n");
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Read the file into the buffer
|
||||||
|
size_t bytesRead = fread(*file, 1, fileLength, fd);
|
||||||
|
|
||||||
|
if(bytesRead != fileLength) {
|
||||||
|
fprintf(stderr, "Error reading file\n");
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
fclose(fd);
|
||||||
|
|
||||||
|
return fileLength;
|
||||||
|
}
|
||||||
|
|
||||||
|
void aes::writeFile(unsigned char *file, size_t fileLength) {
|
||||||
|
FILE *fd = fopen(filename.c_str(), "wb");
|
||||||
|
if(fd == NULL) {
|
||||||
|
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t bytesWritten = fwrite(file, 1, fileLength, fd);
|
||||||
|
|
||||||
|
if(bytesWritten != fileLength) {
|
||||||
|
fprintf(stderr, "Failed to write file\n");
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
fclose(fd);
|
||||||
|
}
|
||||||
|
|
||||||
|
void aes::clear_all() {
|
||||||
|
free(aesIV);
|
||||||
|
free(aesKey);
|
||||||
|
}
|
||||||
|
|
||||||
|
aes::~aes() {}
|
||||||
|
|
||||||
|
#endif
|
||||||
75
crypt.hpp
Normal file
75
crypt.hpp
Normal file
@ -0,0 +1,75 @@
|
|||||||
|
#ifndef _CRYPT
|
||||||
|
#define _CRYPT
|
||||||
|
|
||||||
|
#include "aes.hpp"
|
||||||
|
|
||||||
|
class crypt : public aes {
|
||||||
|
private:
|
||||||
|
EVP_CIPHER_CTX* aesEncryptCtx;
|
||||||
|
|
||||||
|
public:
|
||||||
|
crypt(std::string filename);
|
||||||
|
crypt(const aes& a);
|
||||||
|
void init_all();
|
||||||
|
int aesEncrypt(const unsigned char *msg, size_t msgLen, unsigned char **encMsg);
|
||||||
|
~crypt();
|
||||||
|
};
|
||||||
|
|
||||||
|
crypt::crypt(std::string filename) : aes(filename) {
|
||||||
|
aesEncryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
|
||||||
|
if(aesEncryptCtx == NULL) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
init_all();
|
||||||
|
}
|
||||||
|
|
||||||
|
crypt::crypt(const aes& _a) : aes(_a) {
|
||||||
|
aesEncryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
|
||||||
|
if(aesEncryptCtx == NULL) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
int res = EVP_CIPHER_CTX_copy(aesEncryptCtx, static_cast<crypt>(_a).aesEncryptCtx);
|
||||||
|
if(!res)
|
||||||
|
exit(FAILURE);
|
||||||
|
|
||||||
|
// *aesEncryptCtx = (*(static_cast<crypt>(_a)).aesEncryptCtx);
|
||||||
|
}
|
||||||
|
|
||||||
|
void crypt::init_all() {
|
||||||
|
aes::init_all();
|
||||||
|
EVP_CIPHER_CTX_init(aesEncryptCtx);
|
||||||
|
}
|
||||||
|
|
||||||
|
int crypt::aesEncrypt(const unsigned char *msg, size_t msgLen, unsigned char **encMsg) {
|
||||||
|
size_t blockLen = 0;
|
||||||
|
size_t encMsgLen = 0;
|
||||||
|
|
||||||
|
*encMsg = (unsigned char*)malloc(msgLen + AES_BLOCK_SIZE);
|
||||||
|
if(encMsg == NULL) return FAILURE;
|
||||||
|
|
||||||
|
if(!EVP_EncryptInit_ex(aesEncryptCtx, EVP_aes_256_cbc(), NULL, aes::aesKey, aes::aesIV)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!EVP_EncryptUpdate(aesEncryptCtx, *encMsg, (int*)&blockLen, (unsigned char*)msg, msgLen)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
encMsgLen += blockLen;
|
||||||
|
|
||||||
|
if(!EVP_EncryptFinal_ex(aesEncryptCtx, *encMsg + encMsgLen, (int*)&blockLen)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
EVP_CIPHER_CTX_cleanup(aesEncryptCtx);
|
||||||
|
|
||||||
|
return encMsgLen + blockLen;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
crypt::~crypt() {
|
||||||
|
aes::clear_all();
|
||||||
|
EVP_CIPHER_CTX_cleanup(aesEncryptCtx);
|
||||||
|
free(aesEncryptCtx);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif
|
||||||
71
decrypt.hpp
Normal file
71
decrypt.hpp
Normal file
@ -0,0 +1,71 @@
|
|||||||
|
#ifndef _DECRYPT
|
||||||
|
#define _DECRYPT
|
||||||
|
|
||||||
|
#include "aes.hpp"
|
||||||
|
|
||||||
|
class decrypt : public aes {
|
||||||
|
private:
|
||||||
|
EVP_CIPHER_CTX* aesDecryptCtx;
|
||||||
|
public:
|
||||||
|
decrypt(std::string filename);
|
||||||
|
decrypt(const aes& a);
|
||||||
|
void init_all();
|
||||||
|
int aesDecrypt(unsigned char *encMsg, size_t encMsgLen, unsigned char **decMsg);
|
||||||
|
~decrypt();
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
decrypt::decrypt(std::string filename) : aes(filename) {
|
||||||
|
aesDecryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
|
||||||
|
if(aesDecryptCtx == NULL) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
init_all();
|
||||||
|
}
|
||||||
|
|
||||||
|
decrypt::decrypt(const aes& _a) : aes(_a) {
|
||||||
|
aesDecryptCtx = (EVP_CIPHER_CTX*)malloc(sizeof(EVP_CIPHER_CTX));
|
||||||
|
if(aesDecryptCtx == NULL) {
|
||||||
|
exit(FAILURE);
|
||||||
|
}
|
||||||
|
*aesDecryptCtx = (*(static_cast<decrypt>(_a)).aesDecryptCtx);
|
||||||
|
}
|
||||||
|
|
||||||
|
void decrypt::init_all() {
|
||||||
|
aes::init_all();
|
||||||
|
EVP_CIPHER_CTX_init(aesDecryptCtx);
|
||||||
|
}
|
||||||
|
|
||||||
|
int decrypt::aesDecrypt(unsigned char *encMsg, size_t encMsgLen, unsigned char **decMsg) {
|
||||||
|
size_t decLen = 0;
|
||||||
|
size_t blockLen = 0;
|
||||||
|
|
||||||
|
*decMsg = (unsigned char*)malloc(encMsgLen);
|
||||||
|
if(*decMsg == NULL) return FAILURE;
|
||||||
|
|
||||||
|
if(!EVP_DecryptInit_ex(aesDecryptCtx, EVP_aes_256_cbc(), NULL, aes::aesKey, aes::aesIV)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!EVP_DecryptUpdate(aesDecryptCtx, (unsigned char*)*decMsg, (int*)&blockLen, encMsg, (int)encMsgLen)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
decLen += blockLen;
|
||||||
|
|
||||||
|
if(!EVP_DecryptFinal_ex(aesDecryptCtx, (unsigned char*)*decMsg + decLen, (int*)&blockLen)) {
|
||||||
|
return FAILURE;
|
||||||
|
}
|
||||||
|
decLen += blockLen;
|
||||||
|
|
||||||
|
EVP_CIPHER_CTX_cleanup(aesDecryptCtx);
|
||||||
|
|
||||||
|
return (int)decLen;
|
||||||
|
}
|
||||||
|
|
||||||
|
decrypt::~decrypt() {
|
||||||
|
aes::clear_all();
|
||||||
|
EVP_CIPHER_CTX_cleanup(aesDecryptCtx);
|
||||||
|
free(aesDecryptCtx);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif
|
||||||
Loading…
Reference in New Issue
Block a user