mirror of
https://github.com/vanitasvitae/EnigmAndroid.git
synced 2024-11-24 13:22:07 +01:00
Added missing license headers, extended documentation, extended input interpretation and added numeric spelling in different languages (TODO: improve implementation, this is experimental)
This commit is contained in:
VanitasVitae
parent
980b7e8c7d
commit
2e405429cf
29 changed files with 563 additions and 303 deletions
|
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@ -1 +0,0 @@
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|||
EnigmAndroid
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||||
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@ -1,23 +0,0 @@
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|||
<?xml version="1.0" encoding="UTF-8"?>
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||||
<project version="4">
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||||
<component name="CompilerConfiguration">
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||||
<option name="DEFAULT_COMPILER" value="Javac" />
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||||
<resourceExtensions />
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||||
<wildcardResourcePatterns>
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||||
<entry name="!?*.java" />
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||||
<entry name="!?*.form" />
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||||
<entry name="!?*.class" />
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||||
<entry name="!?*.groovy" />
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<entry name="!?*.scala" />
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<entry name="!?*.flex" />
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||||
<entry name="!?*.kt" />
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||||
<entry name="!?*.clj" />
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||||
</wildcardResourcePatterns>
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||||
<annotationProcessing>
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||||
<profile default="true" name="Default" enabled="false">
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||||
<processorPath useClasspath="true" />
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||||
</profile>
|
||||
</annotationProcessing>
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||||
</component>
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||||
</project>
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||||
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||||
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@ -1,3 +0,0 @@
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|||
<component name="CopyrightManager">
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||||
<settings default="" />
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||||
</component>
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||||
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@ -1,9 +0,0 @@
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|||
<component name="ProjectDictionaryState">
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<dictionary name="vanitas">
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<words>
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<w>plugboard</w>
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<w>ringsetting</w>
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<w>ringsettings</w>
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</words>
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</dictionary>
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</component>
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@ -1,5 +0,0 @@
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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" useUTFGuessing="true" native2AsciiForPropertiesFiles="false" />
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||||
</project>
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||||
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||||
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@ -1,19 +0,0 @@
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|||
<?xml version="1.0" encoding="UTF-8"?>
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||||
<project version="4">
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||||
<component name="GradleSettings">
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||||
<option name="linkedExternalProjectsSettings">
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<GradleProjectSettings>
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||||
<option name="distributionType" value="LOCAL" />
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||||
<option name="externalProjectPath" value="$PROJECT_DIR$" />
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<option name="gradleHome" value="$APPLICATION_HOME_DIR$/gradle/gradle-2.2.1" />
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<option name="modules">
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<set>
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<option value="$PROJECT_DIR$" />
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<option value="$PROJECT_DIR$/app" />
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</set>
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||||
</option>
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||||
</GradleProjectSettings>
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||||
</option>
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||||
</component>
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||||
</project>
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||||
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||||
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@ -1,11 +0,0 @@
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<component name="libraryTable">
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<library name="support-annotations-21.0.3">
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<CLASSES>
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<root url="jar:///media/Daten/AndroidSDK/android-sdk-linux/extras/android/m2repository/com/android/support/support-annotations/21.0.3/support-annotations-21.0.3.jar!/" />
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</CLASSES>
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<JAVADOC />
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<SOURCES>
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<root url="jar:///media/Daten/AndroidSDK/android-sdk-linux/extras/android/m2repository/com/android/support/support-annotations/21.0.3/support-annotations-21.0.3-sources.jar!/" />
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</SOURCES>
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</library>
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||||
</component>
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@ -1,13 +0,0 @@
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<component name="libraryTable">
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<library name="support-v4-21.0.3">
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<CLASSES>
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<root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-v4/21.0.3/libs/internal_impl-21.0.3.jar!/" />
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<root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-v4/21.0.3/classes.jar!/" />
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<root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-v4/21.0.3/res" />
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</CLASSES>
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<JAVADOC />
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<SOURCES>
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<root url="jar:///media/Daten/AndroidSDK/android-sdk-linux/extras/android/m2repository/com/android/support/support-v4/21.0.3/support-v4-21.0.3-sources.jar!/" />
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</SOURCES>
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||||
</library>
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||||
</component>
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@ -1,26 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="EntryPointsManager">
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<entry_points version="2.0" />
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||||
</component>
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||||
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/build/classes" />
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</component>
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||||
<component name="masterDetails">
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||||
<states>
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||||
<state key="ProjectJDKs.UI">
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<settings>
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||||
<last-edited>Android API 19 Platform</last-edited>
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<splitter-proportions>
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<option name="proportions">
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<list>
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<option value="0.2" />
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</list>
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||||
</option>
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||||
</splitter-proportions>
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</settings>
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</state>
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</states>
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</component>
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||||
</project>
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@ -1,10 +0,0 @@
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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://$PROJECT_DIR$/EnigmAndroid.iml" filepath="$PROJECT_DIR$/EnigmAndroid.iml" />
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<module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
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</modules>
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</component>
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||||
</project>
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||||
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||||
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@ -1,5 +0,0 @@
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<component name="DependencyValidationManager">
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||||
<state>
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||||
<option name="SKIP_IMPORT_STATEMENTS" value="false" />
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||||
</state>
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||||
</component>
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||||
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@ -1,8 +0,0 @@
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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="" vcs="Git" />
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<mapping directory="$PROJECT_DIR$" vcs="Git" />
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</component>
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</project>
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@ -1,12 +1,18 @@
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CHANGELOG ENIGMANDROID
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v0.1.5-not.yet.released<
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*added missing licenses to class files
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*Added proper documentation
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*Extended input interpretation (number spelling in different languages, any unknown special
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character now becomes 'X'
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v0.1.4-15.08.2015<
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*Rewrite of the core implementation to follow some principals of Software Engineering
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*Fixed some layout issues
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*Fixed anomaly for step by step inputs
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*Added send/receive text functionality
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v0.1.3-14.03.2015<
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*Added About Dialog with ChangeLog-Button
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*Moved Version Info into About Dialog
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1
app/.gitignore
vendored
1
app/.gitignore
vendored
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@ -1 +0,0 @@
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/build
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Binary file not shown.
12
app/build.gradle
Normal file → Executable file
12
app/build.gradle
Normal file → Executable file
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@ -1,15 +1,15 @@
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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 21
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buildToolsVersion "20.0.0"
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compileSdkVersion 22
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buildToolsVersion "22.0.1"
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defaultConfig {
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applicationId "de.vanitasvitae.enigmandroid"
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minSdkVersion 15
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targetSdkVersion 21
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versionCode 9
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versionName "0.1.3-14.03.2015-beta"
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targetSdkVersion 22
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versionCode 10
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versionName "0.1.4-15.08.2015-beta"
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}
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buildTypes {
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release {
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@ -19,5 +19,5 @@ android {
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dependencies {
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compile fileTree(dir: 'libs', include: ['*.jar'])
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compile 'com.android.support:support-v4:21.+'
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compile 'com.android.support:support-v4:22.2.1'
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}
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0
app/proguard-rules.pro
vendored
Normal file → Executable file
0
app/proguard-rules.pro
vendored
Normal file → Executable file
5
app/src/main/AndroidManifest.xml
Normal file → Executable file
5
app/src/main/AndroidManifest.xml
Normal file → Executable file
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@ -15,6 +15,11 @@
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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<intent-filter>
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<action android:name="android.intent.action.SEND" />
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<category android:name="android.intent.category.DEFAULT" />
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<data android:mimeType="text/plain" />
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</intent-filter>
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||||
</activity>
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||||
<activity
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android:name=".SettingsActivity"
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@ -1,11 +1,10 @@
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package de.vanitasvitae.enigmandroid;
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import de.vanitasvitae.enigmandroid.rotors.Reflector;
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import de.vanitasvitae.enigmandroid.rotors.Rotor;
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/**
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* Enigma-machine
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* Main component of the Enigma machine
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* Copyright (C) 2015 Paul Schaub
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This program is free software; you can redistribute it and/or modify
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@ -35,13 +34,14 @@ public class Enigma
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//Slot for the reflector
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private Reflector reflector;
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private boolean doAnomaly = false;
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private boolean doAnomaly = false; //Has the time come to handle an anomaly?
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private boolean prefAnomaly; //Do you want to simulate the anomaly?
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private boolean prefAnomaly; //Do you WANT to simulate the anomaly?
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private InputPreparator inputPreparator;
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/**
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* Create new Enigma with standard configuration.
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* Empty Plugboard, rotors I,II,III, Positions 0,0,0
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* Empty Plugboard, reflector B, rotors I,II,III, Positions 0,0,0
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*/
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public Enigma()
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{
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@ -55,11 +55,14 @@ public class Enigma
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this.r3 = Rotor.createRotorIII(0, 0);
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this.reflector = Reflector.createReflectorB();
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plugboard = new Plugboard();
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prefAnomaly = true;
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prefAnomaly = true; //TODO: Is this necessary?
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}
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/**
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* Encrypt / Decrypt a given String
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* Encrypt / Decrypt a given String w.
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* w must be prepared using prepare(w) beforehand.
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* Doing so changes the state of the rotors but not the state of the plugboard and the
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* ringSettings
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*
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* @param w Text to decrypt/encrypt
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* @return encrypted/decrypted string
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@ -78,28 +81,30 @@ public class Enigma
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}
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/**
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* Perform crypto on char.
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* Beforehand rotate rotors. Also implement the rotor anomaly.
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* Substitute char k by sending the signal through the enigma.
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* This rotates the first rotor and eventually also the second/third beforehand.
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* Also this method handles the anomaly in case it should happen
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*
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* @param k input char
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* @return output char
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* @return substituted output char
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||||
*/
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public char encryptChar(char k)
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{
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//Rotate rotors
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r1.rotate();
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//Eventually turn next rotor (usual turnOver or anomaly)
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if (r1.isAtTurnoverPosition() || (this.doAnomaly && prefAnomaly))
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{
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r2.rotate();
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//Handle Anomaly
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//Set doAnomaly for next call of encryptChar
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this.doAnomaly = r2.doubleTurnAnomaly();
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//Eventually rotate next rotor
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if (r2.isAtTurnoverPosition())
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{
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r3.rotate();
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}
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}
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int x = (int) k;
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x = x - 65; //Remove Unicode Offset (A=65 in Unicode.)
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int x = ((int) k)-65; //Cast to int and remove Unicode Offset (A=65 in Unicode.)
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//Encryption
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//forward direction
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@ -122,43 +127,21 @@ public class Enigma
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x = normalize(x - r1.getRotation());
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x = plugboard.encrypt(x);
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return (char) (x + 65); //Add Offset
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||||
}
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public int normalize(int input)
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||||
{
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return (26+input)%26;
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return (char) (x + 65); //Add Offset again and cast back to char
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}
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|
||||
/**
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||||
* Prepare String for encryption via enigma
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* Replace . , ! ? : with X
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* Remove all other chars that are not A..Z
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*
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* @param word string
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* @return prepared string
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* Normalize the input.
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* Normalizing means keeping the input via modulo in the range from 0 to n-1, where n is equal
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* to the size of the rotors (in this case fixed to 26, TODO?).
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* This is necessary since java allows negative modulo values,
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* which can break this implementation
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* @param input input signal
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* @return "normalized" input signal
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*/
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||||
public static String prepare(String word)
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public int normalize(int input)
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||||
{
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||||
String input = word.toUpperCase();
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String output = "";
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for (char x : input.toCharArray())
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||||
{
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||||
if (x >= 65 && x <= 90) //If x in [A..Z]
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||||
{
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output = output + x; //Append to String
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||||
}
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||||
//if x is special symbol
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||||
else
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||||
{
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||||
if (x == '.' || x == ',' || x == '!' || x == '?' || x == ':')
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||||
{
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||||
//replace x with X and encrypt
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||||
output = output + 'X';
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||||
}
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||||
}
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||||
}
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return output;
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||||
return (26+input)%26;
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||||
}
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||||
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||||
/**
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||||
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@ -198,6 +181,10 @@ public class Enigma
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|||
}
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||||
}
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||||
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||||
/**
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||||
* Set the plugboard
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||||
* @param p Plugboard
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||||
*/
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||||
public void setPlugboard(Plugboard p)
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||||
{
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||||
this.plugboard = p;
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||||
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@ -226,6 +213,28 @@ public class Enigma
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|||
return configuration;
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||||
}
|
||||
|
||||
/**
|
||||
* Set the inputPreparator
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||||
* @param preparator concrete InputPreparator
|
||||
*/
|
||||
public void setInputPreparator(InputPreparator preparator)
|
||||
{
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||||
this.inputPreparator = preparator;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the inputPreparator
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||||
* @return inputPreparator
|
||||
*/
|
||||
public InputPreparator getInputPreparator()
|
||||
{
|
||||
return this.inputPreparator;
|
||||
}
|
||||
|
||||
/**
|
||||
* set prefAnomaly variable
|
||||
* @param b boolean
|
||||
*/
|
||||
public void setPrefAnomaly(boolean b)
|
||||
{
|
||||
this.prefAnomaly = b;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,123 @@
|
|||
package de.vanitasvitae.enigmandroid;
|
||||
|
||||
import java.text.Normalizer;
|
||||
|
||||
/**
|
||||
* Preparator class that prepares input text to only consist of [A..Z]
|
||||
* Copyright (C) 2015 Paul Schaub
|
||||
|
||||
This program 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 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
* @author vanitasvitae
|
||||
*/
|
||||
public abstract class InputPreparator
|
||||
{
|
||||
/**
|
||||
* Prepare the input String in a way that it only contains letters from [A..Z].
|
||||
* Replace special characters and spell numbers.
|
||||
* @param input String
|
||||
* @return prepared String
|
||||
*/
|
||||
public String prepareString(String input)
|
||||
{
|
||||
input = input.toUpperCase();
|
||||
input = input.replace("Ä","AE").replace("Ö","OE").replace("Ü","UE").replace("ß","SS");
|
||||
String output = "";
|
||||
|
||||
for (char x : input.toCharArray())
|
||||
{
|
||||
if (x >= 65 && x <= 90) //x in [A..Z]
|
||||
{
|
||||
output = output + x;
|
||||
}
|
||||
else if (x >= 48 && x <= 57) //x in [0..9]
|
||||
{
|
||||
output = output + replaceNumber(x);
|
||||
}
|
||||
//x is special symbol
|
||||
else
|
||||
{
|
||||
output = output + 'X';
|
||||
}
|
||||
}
|
||||
return output;
|
||||
}
|
||||
|
||||
/**
|
||||
* Abstract method that spells numbers in a certain language specified by the implementation
|
||||
* @param input character
|
||||
* @return spelled number
|
||||
*/
|
||||
public abstract String replaceNumber(char input);
|
||||
|
||||
/**
|
||||
* Factory method that creates a specific InputPreparator
|
||||
* @param language language alias that specifies the language (de,en)
|
||||
* @return concrete InputPreparator
|
||||
*/
|
||||
public static InputPreparator createInputPreparator(String language)
|
||||
{
|
||||
switch (language)
|
||||
{
|
||||
case "de": return new InputPreparatorGerman();
|
||||
default: return new InputPreparatorEnglish();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of a german InputPreparator
|
||||
*/
|
||||
class InputPreparatorGerman extends InputPreparator
|
||||
{
|
||||
@Override
|
||||
public String replaceNumber(char input) {
|
||||
switch (input)
|
||||
{
|
||||
case '0': return "NULL";
|
||||
case '1': return "EINS";
|
||||
case '2': return "ZWEI";
|
||||
case '3': return "DREI";
|
||||
case '4': return "VIER";
|
||||
case '5': return "FUENF";
|
||||
case '6': return "SECHS";
|
||||
case '7': return "SIEBEN";
|
||||
case '8': return "ACHT";
|
||||
default: return "NEUN";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of an english InputPreparator
|
||||
*/
|
||||
class InputPreparatorEnglish extends InputPreparator
|
||||
{
|
||||
@Override
|
||||
public String replaceNumber(char input)
|
||||
{
|
||||
switch (input) {
|
||||
case '0': return "ZERO";
|
||||
case '1': return "ONE";
|
||||
case '2': return "TWO";
|
||||
case '3': return "THREE";
|
||||
case '4': return "FOUR";
|
||||
case '5': return "FIVE";
|
||||
case '6': return "SIX";
|
||||
case '7': return "SEVEN";
|
||||
case '8': return "EIGHT";
|
||||
default: return "NINE";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,21 +1,3 @@
|
|||
/**
|
||||
* Copyright (C) 2015 Paul Schaub
|
||||
|
||||
This program 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 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*/
|
||||
|
||||
package de.vanitasvitae.enigmandroid;
|
||||
|
||||
import android.app.Activity;
|
||||
|
|
@ -33,21 +15,38 @@ import android.widget.EditText;
|
|||
import android.widget.Spinner;
|
||||
import android.widget.ArrayAdapter;
|
||||
import android.widget.Toast;
|
||||
/**
|
||||
* Main Android Activity of the app
|
||||
* Copyright (C) 2015 Paul Schaub
|
||||
|
||||
This program 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 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
* @author vanitasvitae
|
||||
*/
|
||||
public class MainActivity extends Activity
|
||||
{
|
||||
private Menu menu;
|
||||
private Spinner rotor1;
|
||||
private Spinner rotor2;
|
||||
private Spinner rotor3;
|
||||
private Spinner reflector;
|
||||
private Spinner rotor1Position;
|
||||
private Spinner rotor2Position;
|
||||
private Spinner rotor3Position;
|
||||
private Spinner rotor1View;
|
||||
private Spinner rotor2View;
|
||||
private Spinner rotor3View;
|
||||
private Spinner reflectorView;
|
||||
private Spinner rotor1PositionView;
|
||||
private Spinner rotor2PositionView;
|
||||
private Spinner rotor3PositionView;
|
||||
|
||||
private EditText plugboard;
|
||||
private EditText input;
|
||||
private EditText output;
|
||||
private EditText plugboardView;
|
||||
private EditText inputView;
|
||||
private EditText outputView;
|
||||
|
||||
private static final int RESULT_SETTINGS = 1;
|
||||
private static final String URI_CHANGELOG = "https://github.com/vanitasvitae/EnigmAndroid/blob/master/CHANGELOG.txt";
|
||||
|
|
@ -56,6 +55,7 @@ public class MainActivity extends Activity
|
|||
//memory for the ringSettings
|
||||
private int[] ringSettings = {0,0,0};
|
||||
private boolean prefAnomaly;
|
||||
private String prefNumericLanguage;
|
||||
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState)
|
||||
|
|
@ -63,7 +63,10 @@ public class MainActivity extends Activity
|
|||
super.onCreate(savedInstanceState);
|
||||
this.setContentView(R.layout.activity_main);
|
||||
this.initLayout();
|
||||
this.prefAnomaly = PreferenceManager.getDefaultSharedPreferences(this).getBoolean("prefAnomaly", true);
|
||||
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
|
||||
this.prefAnomaly = sharedPreferences.getBoolean("prefAnomaly", true);
|
||||
this.prefNumericLanguage = sharedPreferences.getString("prefNumericLanguage",getResources().
|
||||
getStringArray(R.array.pref_alias_numeric_spelling_language)[0]);
|
||||
this.resetLayout();
|
||||
ActivitySingleton singleton = ActivitySingleton.getInstance();
|
||||
singleton.setActivity(this);
|
||||
|
|
@ -79,7 +82,7 @@ public class MainActivity extends Activity
|
|||
String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
|
||||
if (sharedText != null)
|
||||
{
|
||||
input.setText(sharedText);
|
||||
inputView.setText(sharedText);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -88,7 +91,6 @@ public class MainActivity extends Activity
|
|||
@Override
|
||||
public boolean onCreateOptionsMenu(Menu menu)
|
||||
{
|
||||
this.menu = menu;
|
||||
this.getMenuInflater().inflate(R.menu.main, menu);
|
||||
return true;
|
||||
}
|
||||
|
|
@ -109,7 +111,7 @@ public class MainActivity extends Activity
|
|||
}
|
||||
else if (id == R.id.action_choose_ringstellung)
|
||||
{
|
||||
showRingsettingsDialog();
|
||||
showRingSettingsDialog();
|
||||
return true;
|
||||
}
|
||||
else if (id == R.id.action_settings)
|
||||
|
|
@ -124,15 +126,15 @@ public class MainActivity extends Activity
|
|||
}
|
||||
else if (id == R.id.action_send)
|
||||
{
|
||||
if(output.getText().length() == 0)
|
||||
if(outputView.getText().length() == 0)
|
||||
{
|
||||
Toast.makeText(this, R.string.error_no_text_to_send, Toast.LENGTH_LONG).show();
|
||||
Toast.makeText(this, R.string.error_no_text_to_send, Toast.LENGTH_SHORT).show();
|
||||
}
|
||||
else
|
||||
{
|
||||
Intent sendIntent = new Intent();
|
||||
sendIntent.setAction(Intent.ACTION_SEND);
|
||||
sendIntent.putExtra(Intent.EXTRA_TEXT, output.getText().toString());
|
||||
sendIntent.putExtra(Intent.EXTRA_TEXT, outputView.getText().toString());
|
||||
sendIntent.setType("text/plain");
|
||||
startActivity(Intent.createChooser(sendIntent, getResources().getText(R.string.send_to)));
|
||||
}
|
||||
|
|
@ -148,25 +150,26 @@ public class MainActivity extends Activity
|
|||
public void updateEnigma(View v)
|
||||
{
|
||||
int[] conf = new int[10];
|
||||
conf[0] = rotor1.getSelectedItemPosition() + 1;
|
||||
conf[1] = rotor2.getSelectedItemPosition() + 1;
|
||||
conf[2] = rotor3.getSelectedItemPosition() + 1;
|
||||
conf[3] = reflector.getSelectedItemPosition() + 1;
|
||||
conf[4] = rotor1Position.getSelectedItemPosition() + 1;
|
||||
conf[5] = rotor2Position.getSelectedItemPosition() + 1;
|
||||
conf[6] = rotor3Position.getSelectedItemPosition() + 1;
|
||||
conf[0] = rotor1View.getSelectedItemPosition() + 1;
|
||||
conf[1] = rotor2View.getSelectedItemPosition() + 1;
|
||||
conf[2] = rotor3View.getSelectedItemPosition() + 1;
|
||||
conf[3] = reflectorView.getSelectedItemPosition() + 1;
|
||||
conf[4] = rotor1PositionView.getSelectedItemPosition() + 1;
|
||||
conf[5] = rotor2PositionView.getSelectedItemPosition() + 1;
|
||||
conf[6] = rotor3PositionView.getSelectedItemPosition() + 1;
|
||||
conf[7] = ringSettings[0];
|
||||
conf[8] = ringSettings[1];
|
||||
conf[9] = ringSettings[2];
|
||||
|
||||
enigma = new Enigma();
|
||||
|
||||
int[][] plugboardConfiguration = null;
|
||||
plugboard.setText(plugboard.getText().toString().toUpperCase());
|
||||
plugboardConfiguration = Plugboard.parseConfigurationString(plugboard.getText().toString());
|
||||
int[][] plugboardConfiguration;
|
||||
plugboardView.setText(plugboardView.getText().toString().toUpperCase());
|
||||
plugboardConfiguration = Plugboard.parseConfigurationString(plugboardView.getText().toString());
|
||||
enigma.setConfiguration(conf);
|
||||
enigma.setPlugboard(new Plugboard(plugboardConfiguration));
|
||||
enigma.setPrefAnomaly(prefAnomaly);
|
||||
enigma.setInputPreparator(InputPreparator.createInputPreparator(prefNumericLanguage));
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -177,12 +180,12 @@ public class MainActivity extends Activity
|
|||
*/
|
||||
public void doCrypto(View v)
|
||||
{
|
||||
if(input.getText().length()!=0) {
|
||||
if(inputView.getText().length()!=0) {
|
||||
updateEnigma(null);
|
||||
String m = input.getText().toString();
|
||||
m = Enigma.prepare(m);
|
||||
input.setText(m);
|
||||
output.setText(enigma.encrypt(m));
|
||||
String m = inputView.getText().toString();
|
||||
m = enigma.getInputPreparator().prepareString(m);
|
||||
inputView.setText(m);
|
||||
outputView.setText(enigma.encrypt(m));
|
||||
updateSpinner(enigma.getConfiguration());
|
||||
}
|
||||
}
|
||||
|
|
@ -193,17 +196,17 @@ public class MainActivity extends Activity
|
|||
*/
|
||||
private void resetLayout()
|
||||
{
|
||||
rotor1.setSelection(0);
|
||||
rotor2.setSelection(1);
|
||||
rotor3.setSelection(2);
|
||||
reflector.setSelection(1);
|
||||
rotor1Position.setSelection(0);
|
||||
rotor2Position.setSelection(0);
|
||||
rotor3Position.setSelection(0);
|
||||
rotor1View.setSelection(0);
|
||||
rotor2View.setSelection(1);
|
||||
rotor3View.setSelection(2);
|
||||
reflectorView.setSelection(1);
|
||||
rotor1PositionView.setSelection(0);
|
||||
rotor2PositionView.setSelection(0);
|
||||
rotor3PositionView.setSelection(0);
|
||||
ringSettings = new int[]{0,0,0};
|
||||
plugboard.setText("");
|
||||
input.setText("");
|
||||
output.setText("");
|
||||
plugboardView.setText("");
|
||||
inputView.setText("");
|
||||
outputView.setText("");
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -214,63 +217,62 @@ public class MainActivity extends Activity
|
|||
Character[] charArray = new Character[26];
|
||||
for(int i=0; i<26; i++) {charArray[i] = (char) (65+i);}
|
||||
|
||||
rotor1 = (Spinner) findViewById(R.id.rotor1);
|
||||
rotor1View = (Spinner) findViewById(R.id.rotor1);
|
||||
ArrayAdapter<CharSequence> rotor1Adapter = ArrayAdapter.createFromResource(this,
|
||||
R.array.enigma_rotors, android.R.layout.simple_spinner_item);
|
||||
rotor1Adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
rotor1.setAdapter(rotor1Adapter);
|
||||
rotor1View.setAdapter(rotor1Adapter);
|
||||
|
||||
|
||||
rotor2 = (Spinner) findViewById(R.id.rotor2);
|
||||
rotor2View = (Spinner) findViewById(R.id.rotor2);
|
||||
ArrayAdapter<CharSequence> rotor2Adapter = ArrayAdapter.createFromResource(this,
|
||||
R.array.enigma_rotors, android.R.layout.simple_spinner_item);
|
||||
rotor2Adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
rotor2.setAdapter(rotor2Adapter);
|
||||
rotor2View.setAdapter(rotor2Adapter);
|
||||
|
||||
rotor3 = (Spinner) findViewById(R.id.rotor3);
|
||||
rotor3View = (Spinner) findViewById(R.id.rotor3);
|
||||
ArrayAdapter<CharSequence> rotor3Adapter = ArrayAdapter.createFromResource(this,
|
||||
R.array.enigma_rotors, android.R.layout.simple_spinner_item);
|
||||
rotor3Adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
rotor3.setAdapter(rotor3Adapter);
|
||||
rotor3View.setAdapter(rotor3Adapter);
|
||||
|
||||
reflector = (Spinner) findViewById(R.id.reflector);
|
||||
reflectorView = (Spinner) findViewById(R.id.reflector);
|
||||
ArrayAdapter<CharSequence> relfectorAdapter = ArrayAdapter.createFromResource(this,
|
||||
R.array.enigma_reflectors, android.R.layout.simple_spinner_item);
|
||||
relfectorAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
reflector.setAdapter(relfectorAdapter);
|
||||
reflectorView.setAdapter(relfectorAdapter);
|
||||
|
||||
rotor1Position = (Spinner) findViewById(R.id.rotor1position);
|
||||
rotor1PositionView = (Spinner) findViewById(R.id.rotor1position);
|
||||
ArrayAdapter<Character> rotor1PositionAdapter = new ArrayAdapter<>(this.getApplicationContext(),
|
||||
android.R.layout.simple_spinner_item,charArray);
|
||||
rotor1PositionAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
rotor1Position.setAdapter(rotor1PositionAdapter);
|
||||
rotor1PositionView.setAdapter(rotor1PositionAdapter);
|
||||
|
||||
rotor2Position = (Spinner) findViewById(R.id.rotor2position);
|
||||
rotor2PositionView = (Spinner) findViewById(R.id.rotor2position);
|
||||
ArrayAdapter<Character> rotor2PositionAdapter = new ArrayAdapter<>(this.getApplicationContext(),
|
||||
android.R.layout.simple_spinner_item,charArray);
|
||||
rotor2PositionAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
rotor2Position.setAdapter(rotor2PositionAdapter);
|
||||
rotor2PositionView.setAdapter(rotor2PositionAdapter);
|
||||
|
||||
rotor3Position = (Spinner) findViewById(R.id.rotor3position);
|
||||
rotor3PositionView = (Spinner) findViewById(R.id.rotor3position);
|
||||
ArrayAdapter<Character> rotor3PositionAdapter = new ArrayAdapter<>(this.getApplicationContext(),
|
||||
android.R.layout.simple_spinner_item,charArray);
|
||||
rotor3PositionAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
rotor3Position.setAdapter(rotor3PositionAdapter);
|
||||
rotor3PositionView.setAdapter(rotor3PositionAdapter);
|
||||
|
||||
plugboard = (EditText) findViewById(R.id.plugboard);
|
||||
plugboard.setOnFocusChangeListener(new View.OnFocusChangeListener() {
|
||||
plugboardView = (EditText) findViewById(R.id.plugboard);
|
||||
plugboardView.setOnFocusChangeListener(new View.OnFocusChangeListener() {
|
||||
@Override
|
||||
public void onFocusChange(View v, boolean hasFocus) {
|
||||
if(!hasFocus)
|
||||
{
|
||||
plugboard.setText(plugboard.getText().toString().toUpperCase());
|
||||
if (!hasFocus) {
|
||||
plugboardView.setText(plugboardView.getText().toString().toUpperCase());
|
||||
}
|
||||
}
|
||||
});
|
||||
input = (EditText) findViewById(R.id.input);
|
||||
output = (EditText) findViewById(R.id.output);
|
||||
inputView = (EditText) findViewById(R.id.input);
|
||||
outputView = (EditText) findViewById(R.id.output);
|
||||
|
||||
input.requestFocus();
|
||||
inputView.requestFocus();
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -279,40 +281,40 @@ public class MainActivity extends Activity
|
|||
*/
|
||||
public void updateSpinner(int[] c)
|
||||
{
|
||||
rotor1.setSelection(c[0] - 1);
|
||||
rotor2.setSelection(c[1] - 1);
|
||||
rotor3.setSelection(c[2] - 1);
|
||||
rotor1Position.setSelection(c[4]);
|
||||
rotor2Position.setSelection(c[5]);
|
||||
rotor3Position.setSelection(c[6]);
|
||||
rotor1View.setSelection(c[0] - 1);
|
||||
rotor2View.setSelection(c[1] - 1);
|
||||
rotor3View.setSelection(c[2] - 1);
|
||||
rotor1PositionView.setSelection(c[4]);
|
||||
rotor2PositionView.setSelection(c[5]);
|
||||
rotor3PositionView.setSelection(c[6]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Show the dialog where the user can pick the ringsettings and set them if the user doesn't
|
||||
* abort.
|
||||
*/
|
||||
public void showRingsettingsDialog()
|
||||
public void showRingSettingsDialog()
|
||||
{
|
||||
View ringsettingsView = View.inflate(this, R.layout.dialog_ringsettings, null);
|
||||
View ringSettingsView = View.inflate(this, R.layout.dialog_ringsettings, null);
|
||||
|
||||
Integer[] ringArray = new Integer[26];
|
||||
for(int i=1; i<=26; i++) {ringArray[i-1] = i;}
|
||||
|
||||
final Spinner ring1 = (Spinner) ringsettingsView.findViewById(R.id.rotor1ring);
|
||||
final Spinner ring1 = (Spinner) ringSettingsView.findViewById(R.id.rotor1ring);
|
||||
ArrayAdapter<Integer> ring1Adapter = new ArrayAdapter<>(this.getApplicationContext(),
|
||||
android.R.layout.simple_spinner_item,ringArray);
|
||||
ring1Adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
ring1.setAdapter(ring1Adapter);
|
||||
ring1.setSelection(ringSettings[0]);
|
||||
|
||||
final Spinner ring2 = (Spinner) ringsettingsView.findViewById(R.id.rotor2ring);
|
||||
final Spinner ring2 = (Spinner) ringSettingsView.findViewById(R.id.rotor2ring);
|
||||
ArrayAdapter<Integer> ring2Adapter = new ArrayAdapter<>(this.getApplicationContext(),
|
||||
android.R.layout.simple_spinner_item,ringArray);
|
||||
ring2Adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
ring2.setAdapter(ring2Adapter);
|
||||
ring2.setSelection(ringSettings[1]);
|
||||
|
||||
final Spinner ring3 = (Spinner) ringsettingsView.findViewById(R.id.rotor3ring);
|
||||
final Spinner ring3 = (Spinner) ringSettingsView.findViewById(R.id.rotor3ring);
|
||||
ArrayAdapter<Integer> ring3Adapter = new ArrayAdapter<>(this.getApplicationContext(),
|
||||
android.R.layout.simple_spinner_item,ringArray);
|
||||
ring3Adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
|
|
@ -321,7 +323,7 @@ public class MainActivity extends Activity
|
|||
|
||||
AlertDialog.Builder builder = new AlertDialog.Builder(this);
|
||||
builder.setTitle(R.string.title_ringsetting);
|
||||
builder.setView(ringsettingsView)
|
||||
builder.setView(ringSettingsView)
|
||||
.setCancelable(true)
|
||||
.setPositiveButton(R.string.dialog_positiv, new DialogInterface.OnClickListener()
|
||||
{
|
||||
|
|
@ -379,8 +381,12 @@ public class MainActivity extends Activity
|
|||
{
|
||||
SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
|
||||
this.prefAnomaly = sharedPrefs.getBoolean("prefAnomaly", true);
|
||||
this.prefNumericLanguage = sharedPrefs.getString("prefNumericLanguage",getResources().
|
||||
getStringArray(R.array.pref_alias_numeric_spelling_language)[0]);
|
||||
;
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -6,7 +6,23 @@ import android.widget.Toast;
|
|||
import java.util.ArrayList;
|
||||
|
||||
/**
|
||||
* Created by vanitas on 12.08.15.
|
||||
* Plugboard of the enigma
|
||||
* Copyright (C) 2015 Paul Schaub
|
||||
|
||||
This program 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 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
* @author vanitasvitae
|
||||
*/
|
||||
public class Plugboard
|
||||
{
|
||||
|
|
@ -30,7 +46,7 @@ public class Plugboard
|
|||
/**
|
||||
* Configure the plugboard according to the given array.
|
||||
*
|
||||
* @param configuration
|
||||
* @param configuration two dimensional array of plugs
|
||||
*/
|
||||
public void setConfiguration(int[][] configuration)
|
||||
{
|
||||
|
|
@ -68,7 +84,7 @@ public class Plugboard
|
|||
}
|
||||
else {
|
||||
input = input.toUpperCase();
|
||||
ArrayList<int[]> plugList = new ArrayList<int[]>();
|
||||
ArrayList<int[]> plugList = new ArrayList<>();
|
||||
int[] plug = new int[2];
|
||||
for (int i = 0; i < input.length(); i++) {
|
||||
int c = input.charAt(i) - 65;
|
||||
|
|
|
|||
|
|
@ -1,7 +1,25 @@
|
|||
package de.vanitasvitae.enigmandroid.rotors;
|
||||
|
||||
/**
|
||||
* Created by vanitas on 11.08.15.
|
||||
* Reflector of the enigma machine.
|
||||
* The reflector was used to reflect the scrambled signal at the end of the wiring back to
|
||||
* go through another (reversed but not inverting) process of scrambling.
|
||||
* Copyright (C) 2015 Paul Schaub
|
||||
|
||||
This program 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 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
* @author vanitasvitae
|
||||
*/
|
||||
public class Reflector
|
||||
{
|
||||
|
|
@ -9,6 +27,14 @@ public class Reflector
|
|||
protected int type;
|
||||
protected Integer[] connections;
|
||||
|
||||
/**
|
||||
* This constructor is not accessible from outside this class file.
|
||||
* Use the one of the createReflector* methods instead to create concrete Reflectors from
|
||||
* outside this class file
|
||||
* @param name phonetic name of the reflector (usually A,B,C)
|
||||
* @param type type indicator of the reflector (A->1,...,C->3)
|
||||
* @param connections wiring of the reflector as Integer array
|
||||
*/
|
||||
protected Reflector(String name, int type, Integer[] connections)
|
||||
{
|
||||
this.name = name;
|
||||
|
|
@ -16,21 +42,41 @@ public class Reflector
|
|||
this.connections = connections;
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a reflector of type A
|
||||
* @return ReflectorA
|
||||
*/
|
||||
public static Reflector createReflectorA()
|
||||
{
|
||||
return new ReflectorA();
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a reflector of type B
|
||||
* @return ReflectorB
|
||||
*/
|
||||
public static Reflector createReflectorB()
|
||||
{
|
||||
return new ReflectorB();
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a reflector of type C
|
||||
* @return ReflectorC
|
||||
*/
|
||||
public static Reflector createReflectorC()
|
||||
{
|
||||
return new ReflectorC();
|
||||
}
|
||||
|
||||
/**
|
||||
* Factory method to create reflectors.
|
||||
* @param type type of the created reflector
|
||||
* 1 -> ReflectorA
|
||||
* 2 -> ReflectorB
|
||||
* anything else -> ReflectorC
|
||||
* @return ReflectorA | ReflectorB | ReflectorC
|
||||
*/
|
||||
public static Reflector createReflector(int type)
|
||||
{
|
||||
switch (type)
|
||||
|
|
@ -41,31 +87,61 @@ public class Reflector
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Substitute an input signal via the wiring of the reflector with a different (!) output.
|
||||
* The output MUST not be equal to the input for any input, since this was not possible
|
||||
* due to the electronic implementation of the historical enigma machine.
|
||||
* @param input input signal
|
||||
* @return encrypted (substituted) output
|
||||
*/
|
||||
public int encrypt(int input)
|
||||
{
|
||||
return this.connections[normalize(input)];
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the type indicator of the reflector
|
||||
* @return type
|
||||
*/
|
||||
public int getType()
|
||||
{
|
||||
return this.type;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return phonetic name of the reflector
|
||||
* @return name
|
||||
*/
|
||||
public String getName()
|
||||
{
|
||||
return this.name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the size (ie the number of wires/length of the connections array) of the reflector
|
||||
* @return size
|
||||
*/
|
||||
private int getRotorSize()
|
||||
{
|
||||
return this.connections.length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Normalize the input.
|
||||
* Normalizing means keeping the input via modulo in the range from 0 to n-1, where n is equal
|
||||
* to the size of the reflector. This is necessary since java allows negative modulo values,
|
||||
* which can break this implementation
|
||||
* @param input input signal
|
||||
* @return "normalized" input signal
|
||||
*/
|
||||
private int normalize(int input)
|
||||
{
|
||||
return (input + this.getRotorSize()) % this.getRotorSize();
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of ReflectorA
|
||||
*/
|
||||
private static class ReflectorA extends Reflector
|
||||
{
|
||||
public ReflectorA()
|
||||
|
|
@ -74,6 +150,9 @@ public class Reflector
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of ReflectorB
|
||||
*/
|
||||
private static class ReflectorB extends Reflector
|
||||
{
|
||||
public ReflectorB()
|
||||
|
|
@ -82,6 +161,9 @@ public class Reflector
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of ReflectorC
|
||||
*/
|
||||
private static class ReflectorC extends Reflector
|
||||
{
|
||||
public ReflectorC()
|
||||
|
|
|
|||
|
|
@ -1,7 +1,28 @@
|
|||
package de.vanitasvitae.enigmandroid.rotors;
|
||||
|
||||
/**
|
||||
* Created by vanitas on 11.08.15.
|
||||
* Rotor super class and inner concrete implementations
|
||||
* The rotors were the key feature of the enigma used to scramble up input signals into
|
||||
* encrypted signals difficult to predict. The rotors rotated to achieve a poly-alphabetic
|
||||
* substitution which was hard to break. Each signal passes the rotor twice. Once in "forward"-
|
||||
* direction and once in "backwards"-direction. There was a set of 3 out of 5 rotors inside the
|
||||
* enigma machine M4.
|
||||
* Copyright (C) 2015 Paul Schaub
|
||||
|
||||
This program 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 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
* @author vanitasvitae
|
||||
*/
|
||||
public class Rotor
|
||||
{
|
||||
|
|
@ -14,6 +35,22 @@ public class Rotor
|
|||
protected int ringSetting;
|
||||
protected int rotation;
|
||||
|
||||
/**
|
||||
* This constructor is not accessible from outside this class file.
|
||||
* Use one of the createRotor* factory methods instead to create concrete Rotors.
|
||||
* Note that connections and reversedConnections MUST be of the same size and that
|
||||
* neither connections nor reversedConnections respectively MUST have any number between
|
||||
* 0 and connections.length-1 only once (ie they represent permutations)
|
||||
* @param name phonetic name of the rotor (usually I,II,...V)
|
||||
* @param type type indicator (I -> 1,...,V -> 5)
|
||||
* @param connections wiring of the rotor as Integer array
|
||||
* @param reversedConnections inverse wiring used to encrypt in the opposite direction
|
||||
* (connections[reversedConnections[i]] = i
|
||||
* for all i in 0..getRotorSize()-1.
|
||||
* @param turnOverNotch Position of the turnover notch
|
||||
* @param ringSetting setting of the ring that holds the letters
|
||||
* @param rotation rotation of the rotor
|
||||
*/
|
||||
protected Rotor(String name, int type, Integer[] connections, Integer[] reversedConnections,
|
||||
int turnOverNotch, int ringSetting, int rotation)
|
||||
{
|
||||
|
|
@ -26,6 +63,14 @@ public class Rotor
|
|||
this.rotation = rotation;
|
||||
}
|
||||
|
||||
/**
|
||||
* Factory method that creates a rotor accordingly to the type.
|
||||
* Also initialize the rotor with ringSetting and rotation.
|
||||
* @param type type indicator (1..5)
|
||||
* @param ringSetting setting of the outer ring (0..25)
|
||||
* @param rotation rotation of the rotor
|
||||
* @return Concrete rotor
|
||||
*/
|
||||
public static Rotor createRotor(int type, int ringSetting, int rotation)
|
||||
{
|
||||
switch (type)
|
||||
|
|
@ -38,53 +83,103 @@ public class Rotor
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create concrete Rotor of type 1 (I) initialized with ringSetting and rotation
|
||||
* @param ringSetting setting of the outer ring
|
||||
* @param rotation rotation of the rotor
|
||||
* @return RotorI
|
||||
*/
|
||||
public static Rotor createRotorI(int ringSetting, int rotation)
|
||||
{
|
||||
return new RotorI(ringSetting, rotation);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create concrete Rotor of type 2 (II) initialized with ringSetting and rotation
|
||||
* @param ringSetting setting of the outer ring
|
||||
* @param rotation rotation of the rotor
|
||||
* @return RotorI
|
||||
*/
|
||||
public static Rotor createRotorII(int ringSetting, int rotation)
|
||||
{
|
||||
return new RotorII(ringSetting, rotation);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create concrete Rotor of type 3 (III) initialized with ringSetting and rotation
|
||||
* @param ringSetting setting of the outer ring
|
||||
* @param rotation rotation of the rotor
|
||||
* @return RotorI
|
||||
*/
|
||||
public static Rotor createRotorIII(int ringSetting, int rotation)
|
||||
{
|
||||
return new RotorIII(ringSetting, rotation);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create concrete Rotor of type 4 (IV) initialized with ringSetting and rotation
|
||||
* @param ringSetting setting of the outer ring
|
||||
* @param rotation rotation of the rotor
|
||||
* @return RotorI
|
||||
*/
|
||||
public static Rotor createRotorIV(int ringSetting, int rotation)
|
||||
{
|
||||
return new RotorIV(ringSetting, rotation);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create concrete Rotor of type 5 (V) initialized with ringSetting and rotation
|
||||
* @param ringSetting setting of the outer ring
|
||||
* @param rotation rotation of the rotor
|
||||
* @return RotorI
|
||||
*/
|
||||
public static Rotor createRotorV(int ringSetting, int rotation)
|
||||
{
|
||||
return new RotorV(ringSetting, rotation);
|
||||
}
|
||||
|
||||
/**
|
||||
* Encrypt an input signal via the internal wiring in "forward" direction (using connections)
|
||||
* @param input signal
|
||||
* @return encrypted signal
|
||||
*/
|
||||
public int encryptForward(int input)
|
||||
{
|
||||
return this.connections[normalize(input)];
|
||||
}
|
||||
|
||||
/**
|
||||
* Encrypt an input signal via the internal wiring in "backwards" direction (using
|
||||
* reversedConnections)
|
||||
* @param input signal
|
||||
* @return encrypted signal
|
||||
*/
|
||||
public int encryptBackward(int input)
|
||||
{
|
||||
return this.reversedConnections[normalize(input)];
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the type indicator (usually 1..5)
|
||||
* @return type indicator
|
||||
*/
|
||||
public int getType()
|
||||
{
|
||||
return this.type;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the current rotation of the rotor.
|
||||
* The rotation consists of the actual rotation - the ringSetting
|
||||
* @return rotation-ringSetting
|
||||
*/
|
||||
public int getRotation()
|
||||
{
|
||||
return this.rotation - this.getRingSetting();
|
||||
}
|
||||
|
||||
/**
|
||||
* increment rotation of the rotor by one.
|
||||
* Increment rotation of the rotor by one.
|
||||
*/
|
||||
public void rotate()
|
||||
{
|
||||
|
|
@ -92,9 +187,8 @@ public class Rotor
|
|||
}
|
||||
|
||||
/**
|
||||
* Return true, if rotor is at a position, where it turns over the next rotor
|
||||
*
|
||||
* @return boolean
|
||||
* Return true, if the rotor is at a position, where it turns over the next rotor by one
|
||||
* @return rotation==turnOverNotch
|
||||
*/
|
||||
public boolean isAtTurnoverPosition()
|
||||
{
|
||||
|
|
@ -102,31 +196,28 @@ public class Rotor
|
|||
}
|
||||
|
||||
/**
|
||||
* The Double Turn Anomaly (deutsch: Doppelsprung Anomalie) is an anomaly in the rotor movement
|
||||
* Return true, if the rotor is in a position where the double turn anomaly happens.
|
||||
* The double turn anomaly (german: Doppelsprung-Anomalie) is an anomaly in the rotor movement
|
||||
* caused by the mechanical implementation of the enigma.
|
||||
* Whenever the rightmost rotor turns the middle rotor AND the middle rotor is only one move
|
||||
* from turning the leftmost rotor, the middle rotor turns again with the next character.
|
||||
* So technically there are only 26*25*26 possible rotor settings for any but firmly 3 rotors.
|
||||
*
|
||||
* @return boolean
|
||||
* @return rotation == turnOverNotch-1
|
||||
*/
|
||||
public boolean doubleTurnAnomaly()
|
||||
{
|
||||
return this.rotation == this.turnOverNotch - 1;
|
||||
return this.rotation == this.getTurnOver() - 1;
|
||||
}
|
||||
|
||||
@SuppressWarnings("unused")
|
||||
/**
|
||||
* Returns the position of the turnover notch
|
||||
*
|
||||
* @return turnOver
|
||||
* @return turnOverNotch
|
||||
*/
|
||||
public int getTurnOver()
|
||||
{
|
||||
return this.turnOverNotch;
|
||||
}
|
||||
|
||||
@SuppressWarnings("unused")
|
||||
/**
|
||||
* Return ringSettings of the rotor
|
||||
* @return ringSetting
|
||||
|
|
@ -136,21 +227,41 @@ public class Rotor
|
|||
return this.ringSetting;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the phonetic name of the rotor
|
||||
* @return name
|
||||
*/
|
||||
public String getName()
|
||||
{
|
||||
return this.name;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the size (ie the number of wires/size of the connections array)
|
||||
* of the rotor
|
||||
* @return size
|
||||
*/
|
||||
public int getRotorSize()
|
||||
{
|
||||
return this.connections.length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Normalize the input.
|
||||
* Normalizing means keeping the input via modulo in the range from 0 to n-1, where n is equal
|
||||
* to the size of the rotor. This is necessary since java allows negative modulo values,
|
||||
* which can break this implementation
|
||||
* @param input input signal
|
||||
* @return "normalized" input signal
|
||||
*/
|
||||
public int normalize(int input)
|
||||
{
|
||||
return (input + this.getRotorSize()) % this.getRotorSize();
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of Rotor of type 1 (I)
|
||||
*/
|
||||
private static class RotorI extends Rotor
|
||||
{
|
||||
public RotorI(int ringSetting, int rotation)
|
||||
|
|
@ -162,6 +273,9 @@ public class Rotor
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of Rotor of type 2 (II)
|
||||
*/
|
||||
private static class RotorII extends Rotor
|
||||
{
|
||||
public RotorII(int ringSetting, int rotation)
|
||||
|
|
@ -173,6 +287,9 @@ public class Rotor
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of Rotor of type 3 (III)
|
||||
*/
|
||||
private static class RotorIII extends Rotor
|
||||
{
|
||||
public RotorIII(int ringSetting, int rotation)
|
||||
|
|
@ -184,6 +301,9 @@ public class Rotor
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of Rotor of type 4 (IV)
|
||||
*/
|
||||
private static class RotorIV extends Rotor
|
||||
{
|
||||
public RotorIV(int ringSetting, int rotation)
|
||||
|
|
@ -195,6 +315,9 @@ public class Rotor
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Concrete implementation of Rotor of type 5 (V)
|
||||
*/
|
||||
private static class RotorV extends Rotor
|
||||
{
|
||||
public RotorV(int ringSetting, int rotation)
|
||||
|
|
|
|||
|
|
@ -144,6 +144,7 @@
|
|||
android:layout_width="match_parent"
|
||||
android:layout_height="30pt"
|
||||
android:id="@+id/plugboard"
|
||||
android:inputType="textNoSuggestions"
|
||||
android:hint="@string/hint_enigma_plugboard"
|
||||
android:layout_below="@+id/lin_lay_2"/>
|
||||
|
||||
|
|
@ -158,13 +159,14 @@
|
|||
android:layout_weight=".50"
|
||||
android:layout_height="match_parent"
|
||||
android:id="@+id/input"
|
||||
android:inputType="textNoSuggestions"
|
||||
android:hint="@string/hint_enigma_type_here" />
|
||||
|
||||
<EditText
|
||||
android:layout_width="0dp"
|
||||
android:layout_weight=".50"
|
||||
android:layout_height="match_parent"
|
||||
android:editable="false"
|
||||
android:inputType="none"
|
||||
android:textIsSelectable="true"
|
||||
android:id="@+id/output"
|
||||
android:hint="@string/hint_enigma_code"/>
|
||||
|
|
@ -178,7 +180,6 @@
|
|||
<Button
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_below="@+id/text_layer"
|
||||
android:id="@+id/button_crypt"
|
||||
android:onClick="doCrypto"
|
||||
android:text="@string/button_crypt"
|
||||
|
|
|
|||
|
|
@ -7,5 +7,11 @@
|
|||
<string name="pref_title_simulate_anomaly">Doppelschritt Anomalie</string>
|
||||
<string name="pref_description_simulate_anomaly">Die Doppelschritt Anomalie lässt die mittlere Walze zweimal rotieren, falls sie sich vor dem Übertragspunkt befindet.
|
||||
</string>
|
||||
<string name="pref_title_numeric_spelling_language">Zahlenbuchstabiersprache</string>
|
||||
<string name="pref_description_numeric_spelling_language">Sprache in der Zahlen buchstabiert werden sollen.</string>
|
||||
<string-array name="pref_list_numeric_spelling_language">
|
||||
<item>Deutsch</item>
|
||||
<item>Englisch</item>
|
||||
</string-array>
|
||||
|
||||
</resources>
|
||||
|
|
|
|||
|
|
@ -25,10 +25,10 @@
|
|||
<string name="error_unable_to_plug_a_b">Unable to plug </string>
|
||||
<string name="error_plug_already_in_use">Error: One or more of these plugs are already in use:</string>
|
||||
<string name="error_no_text_to_send">Can\'t send empty text.</string>
|
||||
<string name="title_ringsetting">Ringsettings</string>
|
||||
<string name="title_ringsetting">Ring-Settings</string>
|
||||
<string name="dialog_positiv">OK</string>
|
||||
<string name="dialog_negativ">Cancel</string>
|
||||
<string name="dialog_ringsettings_success">Set Ringsettings to</string>
|
||||
<string name="dialog_ringsettings_success">Set Ring-Settings to</string>
|
||||
<string name="dialog_ringsettings_abort">No changes</string>
|
||||
<string name="message_reset">Enigma reset</string>
|
||||
|
||||
|
|
|
|||
|
|
@ -8,5 +8,15 @@
|
|||
<string name="pref_description_simulate_anomaly">The double step anomaly causes the middle rotor
|
||||
to rotate twice, if it is one step before its turnover point.
|
||||
</string>
|
||||
<string name="pref_title_numeric_spelling_language">Number spelling language</string>
|
||||
<string name="pref_description_numeric_spelling_language">Language, in which numbers are spelled.</string>
|
||||
<string-array name="pref_list_numeric_spelling_language">
|
||||
<item>German</item>
|
||||
<item>English</item>
|
||||
</string-array>
|
||||
<string-array translatable="false" name="pref_alias_numeric_spelling_language">
|
||||
<item>de</item>
|
||||
<item>en</item>
|
||||
</string-array>
|
||||
|
||||
</resources>
|
||||
|
|
|
|||
|
|
@ -7,6 +7,13 @@
|
|||
android:title="@string/pref_title_simulate_anomaly"
|
||||
android:summary="@string/pref_description_simulate_anomaly"
|
||||
android:defaultValue="true" />
|
||||
<ListPreference
|
||||
android:key="prefNumericLanguage"
|
||||
android:title="@string/pref_title_numeric_spelling_language"
|
||||
android:summary="@string/pref_description_numeric_spelling_language"
|
||||
android:entries="@array/pref_list_numeric_spelling_language"
|
||||
android:entryValues="@array/pref_alias_numeric_spelling_language"
|
||||
android:defaultValue="de" />
|
||||
</PreferenceCategory>
|
||||
|
||||
</PreferenceScreen>
|
||||
Loading…
Reference in a new issue