diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..73f69e0
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..1bec35e
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,10 @@
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..79ee123
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..61a9130
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..b3e9cbd
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,25 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..2266f6b
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,10 @@
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 0000000..635caa8
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,33 @@
+plugins {
+ java
+ kotlin("jvm") version "1.3.72"
+ id("io.gitlab.arturbosch.detekt") version "1.9.1"
+
+}
+
+group = "it.unisannio.assd.untori"
+version = "0.0.1-alpha"
+
+repositories {
+ mavenCentral()
+ jcenter()
+}
+
+dependencies {
+ implementation(kotlin("stdlib-jdk8"))
+ testCompile("junit", "junit", "4.12")
+ implementation ("cafe.cryptography:ed25519-elisabeth:0.1.0")
+ detektPlugins("io.gitlab.arturbosch.detekt:detekt-formatting:1.9.1")
+}
+
+configure {
+ sourceCompatibility = JavaVersion.VERSION_1_8
+}
+tasks {
+ compileKotlin {
+ kotlinOptions.jvmTarget = "1.8"
+ }
+ compileTestKotlin {
+ kotlinOptions.jvmTarget = "1.8"
+ }
+}
\ No newline at end of file
diff --git a/config/detekt/detekt.yml b/config/detekt/detekt.yml
new file mode 100644
index 0000000..f1e1708
--- /dev/null
+++ b/config/detekt/detekt.yml
@@ -0,0 +1,629 @@
+build:
+ maxIssues: 5
+ excludeCorrectable: false
+ weights:
+ # complexity: 2
+ # LongParameterList: 1
+ # style: 1
+ # comments: 1
+
+config:
+ validation: true
+ # when writing own rules with new properties, exclude the property path e.g.: 'my_rule_set,.*>.*>[my_property]'
+ excludes: ''
+
+processors:
+ active: true
+ exclude:
+ - 'DetektProgressListener'
+ # - 'FunctionCountProcessor'
+ # - 'PropertyCountProcessor'
+ # - 'ClassCountProcessor'
+ # - 'PackageCountProcessor'
+ # - 'KtFileCountProcessor'
+
+console-reports:
+ active: true
+ exclude:
+ - 'ProjectStatisticsReport'
+ - 'ComplexityReport'
+ - 'NotificationReport'
+ # - 'FindingsReport'
+ - 'FileBasedFindingsReport'
+
+comments:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ AbsentOrWrongFileLicense:
+ active: false
+ licenseTemplateFile: 'license.template'
+ CommentOverPrivateFunction:
+ active: false
+ CommentOverPrivateProperty:
+ active: false
+ EndOfSentenceFormat:
+ active: false
+ endOfSentenceFormat: '([.?!][ \t\n\r\f<])|([.?!:]$)'
+ UndocumentedPublicClass:
+ active: false
+ searchInNestedClass: true
+ searchInInnerClass: true
+ searchInInnerObject: true
+ searchInInnerInterface: true
+ UndocumentedPublicFunction:
+ active: false
+ UndocumentedPublicProperty:
+ active: false
+
+complexity:
+ active: true
+ ComplexCondition:
+ active: true
+ threshold: 4
+ ComplexInterface:
+ active: false
+ threshold: 10
+ includeStaticDeclarations: false
+ includePrivateDeclarations: false
+ ComplexMethod:
+ active: true
+ threshold: 15
+ ignoreSingleWhenExpression: false
+ ignoreSimpleWhenEntries: false
+ ignoreNestingFunctions: false
+ nestingFunctions: [run, let, apply, with, also, use, forEach, isNotNull, ifNull]
+ LabeledExpression:
+ active: false
+ ignoredLabels: []
+ LargeClass:
+ active: true
+ threshold: 600
+ LongMethod:
+ active: true
+ threshold: 60
+ LongParameterList:
+ active: true
+ functionThreshold: 6
+ constructorThreshold: 7
+ ignoreDefaultParameters: false
+ ignoreDataClasses: true
+ ignoreAnnotated: []
+ MethodOverloading:
+ active: false
+ threshold: 6
+ NestedBlockDepth:
+ active: true
+ threshold: 4
+ StringLiteralDuplication:
+ active: false
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ threshold: 3
+ ignoreAnnotation: true
+ excludeStringsWithLessThan5Characters: true
+ ignoreStringsRegex: '$^'
+ TooManyFunctions:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ thresholdInFiles: 11
+ thresholdInClasses: 11
+ thresholdInInterfaces: 11
+ thresholdInObjects: 11
+ thresholdInEnums: 11
+ ignoreDeprecated: false
+ ignorePrivate: false
+ ignoreOverridden: false
+
+coroutines:
+ active: true
+ GlobalCoroutineUsage:
+ active: false
+ RedundantSuspendModifier:
+ active: false
+
+empty-blocks:
+ active: true
+ EmptyCatchBlock:
+ active: true
+ allowedExceptionNameRegex: '_|(ignore|expected).*'
+ EmptyClassBlock:
+ active: true
+ EmptyDefaultConstructor:
+ active: true
+ EmptyDoWhileBlock:
+ active: true
+ EmptyElseBlock:
+ active: true
+ EmptyFinallyBlock:
+ active: true
+ EmptyForBlock:
+ active: true
+ EmptyFunctionBlock:
+ active: true
+ ignoreOverridden: false
+ EmptyIfBlock:
+ active: true
+ EmptyInitBlock:
+ active: true
+ EmptyKtFile:
+ active: true
+ EmptySecondaryConstructor:
+ active: true
+ EmptyTryBlock:
+ active: true
+ EmptyWhenBlock:
+ active: true
+ EmptyWhileBlock:
+ active: true
+
+exceptions:
+ active: true
+ ExceptionRaisedInUnexpectedLocation:
+ active: false
+ methodNames: [toString, hashCode, equals, finalize]
+ InstanceOfCheckForException:
+ active: false
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ NotImplementedDeclaration:
+ active: false
+ PrintStackTrace:
+ active: false
+ RethrowCaughtException:
+ active: false
+ ReturnFromFinally:
+ active: false
+ ignoreLabeled: false
+ SwallowedException:
+ active: false
+ ignoredExceptionTypes:
+ - InterruptedException
+ - NumberFormatException
+ - ParseException
+ - MalformedURLException
+ allowedExceptionNameRegex: '_|(ignore|expected).*'
+ ThrowingExceptionFromFinally:
+ active: false
+ ThrowingExceptionInMain:
+ active: false
+ ThrowingExceptionsWithoutMessageOrCause:
+ active: false
+ exceptions:
+ - IllegalArgumentException
+ - IllegalStateException
+ - IOException
+ ThrowingNewInstanceOfSameException:
+ active: false
+ TooGenericExceptionCaught:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ exceptionNames:
+ - ArrayIndexOutOfBoundsException
+ - Error
+ - Exception
+ - IllegalMonitorStateException
+ - NullPointerException
+ - IndexOutOfBoundsException
+ - RuntimeException
+ - Throwable
+ allowedExceptionNameRegex: '_|(ignore|expected).*'
+ TooGenericExceptionThrown:
+ active: true
+ exceptionNames:
+ - Error
+ - Exception
+ - Throwable
+ - RuntimeException
+
+formatting:
+ active: true
+ android: false
+ autoCorrect: true
+ AnnotationOnSeparateLine:
+ active: false
+ autoCorrect: true
+ ChainWrapping:
+ active: true
+ autoCorrect: true
+ CommentSpacing:
+ active: true
+ autoCorrect: true
+ EnumEntryNameCase:
+ active: false
+ autoCorrect: true
+ Filename:
+ active: true
+ FinalNewline:
+ active: true
+ autoCorrect: true
+ insertFinalNewLine: true
+ ImportOrdering:
+ active: false
+ autoCorrect: true
+ Indentation:
+ active: false
+ autoCorrect: true
+ indentSize: 4
+ continuationIndentSize: 4
+ MaximumLineLength:
+ active: true
+ maxLineLength: 120
+ ModifierOrdering:
+ active: true
+ autoCorrect: true
+ MultiLineIfElse:
+ active: true
+ autoCorrect: true
+ NoBlankLineBeforeRbrace:
+ active: true
+ autoCorrect: true
+ NoConsecutiveBlankLines:
+ active: true
+ autoCorrect: true
+ NoEmptyClassBody:
+ active: true
+ autoCorrect: true
+ NoEmptyFirstLineInMethodBlock:
+ active: false
+ autoCorrect: true
+ NoLineBreakAfterElse:
+ active: true
+ autoCorrect: true
+ NoLineBreakBeforeAssignment:
+ active: true
+ autoCorrect: true
+ NoMultipleSpaces:
+ active: true
+ autoCorrect: true
+ NoSemicolons:
+ active: true
+ autoCorrect: true
+ NoTrailingSpaces:
+ active: true
+ autoCorrect: true
+ NoUnitReturn:
+ active: true
+ autoCorrect: true
+ NoUnusedImports:
+ active: true
+ autoCorrect: true
+ NoWildcardImports:
+ active: true
+ PackageName:
+ active: true
+ autoCorrect: true
+ ParameterListWrapping:
+ active: true
+ autoCorrect: true
+ indentSize: 4
+ SpacingAroundColon:
+ active: true
+ autoCorrect: true
+ SpacingAroundComma:
+ active: true
+ autoCorrect: true
+ SpacingAroundCurly:
+ active: true
+ autoCorrect: true
+ SpacingAroundDot:
+ active: true
+ autoCorrect: true
+ SpacingAroundKeyword:
+ active: true
+ autoCorrect: true
+ SpacingAroundOperators:
+ active: true
+ autoCorrect: true
+ SpacingAroundParens:
+ active: true
+ autoCorrect: true
+ SpacingAroundRangeOperator:
+ active: true
+ autoCorrect: true
+ StringTemplate:
+ active: true
+ autoCorrect: true
+
+naming:
+ active: true
+ ClassNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ classPattern: '[A-Z][a-zA-Z0-9]*'
+ ConstructorParameterNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ parameterPattern: '[a-z][A-Za-z0-9]*'
+ privateParameterPattern: '[a-z][A-Za-z0-9]*'
+ excludeClassPattern: '$^'
+ ignoreOverridden: true
+ EnumNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ enumEntryPattern: '[A-Z][_a-zA-Z0-9]*'
+ ForbiddenClassName:
+ active: false
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ forbiddenName: []
+ FunctionMaxLength:
+ active: false
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ maximumFunctionNameLength: 30
+ FunctionMinLength:
+ active: false
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ minimumFunctionNameLength: 3
+ FunctionNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ functionPattern: '([a-z][a-zA-Z0-9]*)|(`.*`)'
+ excludeClassPattern: '$^'
+ ignoreOverridden: true
+ FunctionParameterNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ parameterPattern: '[a-z][A-Za-z0-9]*'
+ excludeClassPattern: '$^'
+ ignoreOverridden: true
+ InvalidPackageDeclaration:
+ active: false
+ rootPackage: ''
+ MatchingDeclarationName:
+ active: true
+ mustBeFirst: true
+ MemberNameEqualsClassName:
+ active: true
+ ignoreOverridden: true
+ ObjectPropertyNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ constantPattern: '[A-Za-z][_A-Za-z0-9]*'
+ propertyPattern: '[A-Za-z][_A-Za-z0-9]*'
+ privatePropertyPattern: '(_)?[A-Za-z][_A-Za-z0-9]*'
+ PackageNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ packagePattern: '[a-z]+(\.[a-z][A-Za-z0-9]*)*'
+ TopLevelPropertyNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ constantPattern: '[A-Z][_A-Z0-9]*'
+ propertyPattern: '[A-Za-z][_A-Za-z0-9]*'
+ privatePropertyPattern: '_?[A-Za-z][_A-Za-z0-9]*'
+ VariableMaxLength:
+ active: false
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ maximumVariableNameLength: 64
+ VariableMinLength:
+ active: false
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ minimumVariableNameLength: 1
+ VariableNaming:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ variablePattern: '[a-z][A-Za-z0-9]*'
+ privateVariablePattern: '(_)?[a-z][A-Za-z0-9]*'
+ excludeClassPattern: '$^'
+ ignoreOverridden: true
+
+performance:
+ active: true
+ ArrayPrimitive:
+ active: true
+ ForEachOnRange:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ SpreadOperator:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ UnnecessaryTemporaryInstantiation:
+ active: true
+
+potential-bugs:
+ active: true
+ Deprecation:
+ active: false
+ DuplicateCaseInWhenExpression:
+ active: true
+ EqualsAlwaysReturnsTrueOrFalse:
+ active: true
+ EqualsWithHashCodeExist:
+ active: true
+ ExplicitGarbageCollectionCall:
+ active: true
+ HasPlatformType:
+ active: false
+ ImplicitDefaultLocale:
+ active: false
+ InvalidRange:
+ active: true
+ IteratorHasNextCallsNextMethod:
+ active: true
+ IteratorNotThrowingNoSuchElementException:
+ active: true
+ LateinitUsage:
+ active: false
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ excludeAnnotatedProperties: []
+ ignoreOnClassesPattern: ''
+ MapGetWithNotNullAssertionOperator:
+ active: false
+ MissingWhenCase:
+ active: true
+ RedundantElseInWhen:
+ active: true
+ UnconditionalJumpStatementInLoop:
+ active: false
+ UnnecessaryNotNullOperator:
+ active: false
+ UnnecessarySafeCall:
+ active: false
+ UnreachableCode:
+ active: true
+ UnsafeCallOnNullableType:
+ active: true
+ UnsafeCast:
+ active: false
+ UselessPostfixExpression:
+ active: false
+ WrongEqualsTypeParameter:
+ active: true
+
+style:
+ active: true
+ CollapsibleIfStatements:
+ active: false
+ DataClassContainsFunctions:
+ active: false
+ conversionFunctionPrefix: 'to'
+ DataClassShouldBeImmutable:
+ active: false
+ EqualsNullCall:
+ active: true
+ EqualsOnSignatureLine:
+ active: false
+ ExplicitCollectionElementAccessMethod:
+ active: false
+ ExplicitItLambdaParameter:
+ active: false
+ ExpressionBodySyntax:
+ active: false
+ includeLineWrapping: false
+ ForbiddenComment:
+ active: true
+ values: ['TODO:', 'FIXME:', 'STOPSHIP:']
+ allowedPatterns: ''
+ ForbiddenImport:
+ active: false
+ imports: []
+ forbiddenPatterns: ''
+ ForbiddenMethodCall:
+ active: false
+ methods: []
+ ForbiddenPublicDataClass:
+ active: false
+ ignorePackages: ['*.internal', '*.internal.*']
+ ForbiddenVoid:
+ active: false
+ ignoreOverridden: false
+ ignoreUsageInGenerics: false
+ FunctionOnlyReturningConstant:
+ active: true
+ ignoreOverridableFunction: true
+ excludedFunctions: 'describeContents'
+ excludeAnnotatedFunction: ['dagger.Provides']
+ LibraryCodeMustSpecifyReturnType:
+ active: true
+ LoopWithTooManyJumpStatements:
+ active: true
+ maxJumpCount: 1
+ MagicNumber:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ ignoreNumbers: ['-1', '0', '1', '2', '4', '8', '16', '32']
+ ignoreHashCodeFunction: true
+ ignorePropertyDeclaration: false
+ ignoreLocalVariableDeclaration: false
+ ignoreConstantDeclaration: true
+ ignoreCompanionObjectPropertyDeclaration: true
+ ignoreAnnotation: false
+ ignoreNamedArgument: true
+ ignoreEnums: false
+ ignoreRanges: false
+ MandatoryBracesIfStatements:
+ active: false
+ MandatoryBracesLoops:
+ active: false
+ MaxLineLength:
+ active: true
+ maxLineLength: 120
+ excludePackageStatements: true
+ excludeImportStatements: true
+ excludeCommentStatements: false
+ MayBeConst:
+ active: true
+ ModifierOrder:
+ active: true
+ NestedClassesVisibility:
+ active: false
+ NewLineAtEndOfFile:
+ active: true
+ NoTabs:
+ active: false
+ OptionalAbstractKeyword:
+ active: true
+ OptionalUnit:
+ active: false
+ OptionalWhenBraces:
+ active: false
+ PreferToOverPairSyntax:
+ active: false
+ ProtectedMemberInFinalClass:
+ active: true
+ RedundantExplicitType:
+ active: false
+ RedundantVisibilityModifierRule:
+ active: false
+ ReturnCount:
+ active: true
+ max: 2
+ excludedFunctions: 'equals'
+ excludeLabeled: false
+ excludeReturnFromLambda: true
+ excludeGuardClauses: false
+ SafeCast:
+ active: true
+ SerialVersionUIDInSerializableClass:
+ active: false
+ SpacingBetweenPackageAndImports:
+ active: false
+ ThrowsCount:
+ active: true
+ max: 2
+ TrailingWhitespace:
+ active: false
+ UnderscoresInNumericLiterals:
+ active: false
+ acceptableDecimalLength: 5
+ UnnecessaryAbstractClass:
+ active: true
+ excludeAnnotatedClasses: ['dagger.Module']
+ UnnecessaryAnnotationUseSiteTarget:
+ active: false
+ UnnecessaryApply:
+ active: false
+ UnnecessaryInheritance:
+ active: true
+ UnnecessaryLet:
+ active: false
+ UnnecessaryParentheses:
+ active: false
+ UntilInsteadOfRangeTo:
+ active: false
+ UnusedImports:
+ active: false
+ UnusedPrivateClass:
+ active: true
+ UnusedPrivateMember:
+ active: false
+ allowedNames: '(_|ignored|expected|serialVersionUID)'
+ UseArrayLiteralsInAnnotations:
+ active: false
+ UseCheckOrError:
+ active: false
+ UseDataClass:
+ active: false
+ excludeAnnotatedClasses: []
+ allowVars: false
+ UseIfInsteadOfWhen:
+ active: false
+ UseRequire:
+ active: false
+ UselessCallOnNotNull:
+ active: true
+ UtilityClassWithPublicConstructor:
+ active: true
+ VarCouldBeVal:
+ active: false
+ WildcardImport:
+ active: true
+ excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+ excludeImports: ['java.util.*', 'kotlinx.android.synthetic.*']
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..29e08e8
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1 @@
+kotlin.code.style=official
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..f3d88b1
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..1b16c34
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..2fe81a7
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,183 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=`expr $i + 1`
+ done
+ case $i in
+ 0) set -- ;;
+ 1) set -- "$args0" ;;
+ 2) set -- "$args0" "$args1" ;;
+ 3) set -- "$args0" "$args1" "$args2" ;;
+ 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..24467a1
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,100 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle.kts b/settings.gradle.kts
new file mode 100644
index 0000000..643d110
--- /dev/null
+++ b/settings.gradle.kts
@@ -0,0 +1,2 @@
+rootProject.name = "tkn"
+
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/Const.kt b/src/main/kotlin/it/unisannio/assd/tkn/Const.kt
new file mode 100644
index 0000000..75b6cfd
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/Const.kt
@@ -0,0 +1,13 @@
+package it.unisannio.assd.tkn
+
+object Const {
+ private const val H_TCK_DOMAIN_SEPARATOR_STRING = "H_TCK"
+ val H_TCK_DOMAIN_SEPARATOR = H_TCK_DOMAIN_SEPARATOR_STRING
+ .toByteArray(Charsets.UTF_8)
+
+ private const val H_TCN_DOMAIN_SEPARATOR_STRING = "H_TCN"
+ val H_TCN_DOMAIN_SEPARATOR = H_TCN_DOMAIN_SEPARATOR_STRING
+ .toByteArray(Charsets.UTF_8)
+
+ const val REPORT_SIZE = 70
+}
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/Extensions.kt b/src/main/kotlin/it/unisannio/assd/tkn/Extensions.kt
new file mode 100644
index 0000000..f41ec75
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/Extensions.kt
@@ -0,0 +1,30 @@
+package it.unisannio.assd.tkn
+
+import java.math.BigInteger
+import java.nio.ByteBuffer
+import java.nio.ByteOrder
+
+fun Short.toLeByteArray(): ByteArray {
+ val buffer = ByteBuffer
+ .allocate(2).apply {
+ order(ByteOrder.LITTLE_ENDIAN)
+ putShort(this@toLeByteArray)
+ }
+
+ return buffer.array()
+}
+
+fun ByteArray.toHexString(): String {
+ val builder = StringBuilder()
+ this.map { String.format("%02x", it) }
+ .forEach { builder.append(it) }
+ return builder.toString()
+}
+
+fun String.toHexByteArray(): ByteArray = BigInteger(this, 16).toByteArray()
+
+fun ByteBuffer.read(n: Int): ByteArray {
+ val bytes = ByteArray(n)
+ this.get(bytes)
+ return bytes
+}
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/key/ReportAuthorizationKey.kt b/src/main/kotlin/it/unisannio/assd/tkn/key/ReportAuthorizationKey.kt
new file mode 100644
index 0000000..0bad1d7
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/key/ReportAuthorizationKey.kt
@@ -0,0 +1,51 @@
+package it.unisannio.assd.tkn.key
+
+import cafe.cryptography.ed25519.Ed25519PrivateKey
+import cafe.cryptography.ed25519.Ed25519PublicKey
+import it.unisannio.assd.tkn.Const
+import it.unisannio.assd.tkn.toHexByteArray
+import java.security.MessageDigest
+import java.security.SecureRandom
+
+class ReportAuthorizationKey private constructor(private val key: Ed25519PrivateKey) {
+
+ fun deriveVerificationKey(): ReportVerificationKey =
+ ReportVerificationKey.createFromAuthorizationKey(this)
+
+ fun baseTemporaryContactKey(): TemporaryContactKey {
+ val hmac = MessageDigest.getInstance("SHA-256").apply {
+ update(Const.H_TCK_DOMAIN_SEPARATOR)
+ update(key.toByteArray())
+ }
+
+ return TemporaryContactKey.createFromByteArray(
+ hmac.digest(),
+ 0
+ )
+ }
+
+ fun sign(message: ByteArray, rvk: ReportVerificationKey): ByteArray = key.expand()
+ .sign(
+ message,
+ Ed25519PublicKey.fromByteArray(rvk.toByteArray())
+ ).toByteArray()
+
+ fun toByteArray(): ByteArray = key.toByteArray()
+
+ companion object {
+ fun createFromByteArray(bytes: ByteArray): ReportAuthorizationKey =
+ ReportAuthorizationKey(
+ Ed25519PrivateKey.fromByteArray(bytes)
+ )
+
+ fun createFromHexString(hexString: String): ReportAuthorizationKey =
+ ReportAuthorizationKey(
+ Ed25519PrivateKey.fromByteArray(hexString.toHexByteArray())
+ )
+
+ fun createFromSecureRandom(random: SecureRandom): ReportAuthorizationKey =
+ ReportAuthorizationKey(
+ Ed25519PrivateKey.generate(random)
+ )
+ }
+}
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/key/ReportVerificationKey.kt b/src/main/kotlin/it/unisannio/assd/tkn/key/ReportVerificationKey.kt
new file mode 100644
index 0000000..4614da9
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/key/ReportVerificationKey.kt
@@ -0,0 +1,36 @@
+package it.unisannio.assd.tkn.key
+
+import cafe.cryptography.ed25519.Ed25519PrivateKey
+import cafe.cryptography.ed25519.Ed25519PublicKey
+import cafe.cryptography.ed25519.Ed25519Signature
+import it.unisannio.assd.tkn.toHexString
+
+class ReportVerificationKey private constructor(private val key: Ed25519PublicKey) {
+ fun contactNumbersBetween(
+ tck: TemporaryContactKey,
+ from: Short,
+ until: Short
+ ) = tck.contactNumbersBetween(this, from, until)
+
+ fun verify(message: ByteArray, sign: ByteArray): Boolean = key.verify(
+ message,
+ Ed25519Signature.fromByteArray(sign)
+ )
+
+ fun toByteArray(): ByteArray = key.toByteArray()
+
+ fun toHexString() = toByteArray().toHexString()
+
+ companion object {
+ fun createFromAuthorizationKey(authorizationKey: ReportAuthorizationKey) =
+ ReportVerificationKey(
+ Ed25519PrivateKey.fromByteArray(authorizationKey.toByteArray())
+ .derivePublic()
+ )
+
+ fun createFromByteArray(bytes: ByteArray): ReportVerificationKey =
+ ReportVerificationKey(
+ Ed25519PublicKey.fromByteArray(bytes)
+ )
+ }
+}
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/key/TemporaryContactKey.kt b/src/main/kotlin/it/unisannio/assd/tkn/key/TemporaryContactKey.kt
new file mode 100644
index 0000000..d68adc3
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/key/TemporaryContactKey.kt
@@ -0,0 +1,75 @@
+package it.unisannio.assd.tkn.key
+
+import it.unisannio.assd.tkn.Const
+import it.unisannio.assd.tkn.report.Memo
+import it.unisannio.assd.tkn.report.Report
+import it.unisannio.assd.tkn.toHexString
+import it.unisannio.assd.tkn.toLeByteArray
+import java.security.MessageDigest
+
+class TemporaryContactKey private constructor(
+ private val key: ByteArray,
+ private val index: Short
+) {
+ fun nextTemporaryContactKey(rvk: ReportVerificationKey): TemporaryContactKey {
+ val hmac = MessageDigest.getInstance("SHA-256").apply {
+ update(Const.H_TCK_DOMAIN_SEPARATOR)
+ update(rvk.toByteArray())
+ update(key)
+ }
+
+ return TemporaryContactKey(
+ hmac.digest(),
+ index.inc()
+ )
+ }
+
+ fun deriveTemporaryContactNumber(): TemporaryContactNumber {
+ val hmac = MessageDigest.getInstance("SHA-256").apply {
+ update(Const.H_TCN_DOMAIN_SEPARATOR)
+ update(index.toLeByteArray())
+ update(key)
+ }
+
+ return TemporaryContactNumber(
+ hmac.digest().sliceArray(0 until 16),
+ index
+ )
+ }
+
+ fun contactNumbersBetween(
+ rvk: ReportVerificationKey,
+ from: Short,
+ until: Short
+ ): List {
+ val numbers = mutableListOf()
+ var lastKey = this
+
+ for (i in from until until) {
+ lastKey = lastKey.nextTemporaryContactKey(rvk)
+ numbers.add(lastKey.deriveTemporaryContactNumber())
+ }
+
+ return numbers
+ }
+
+ fun generateReport(rvk: ReportVerificationKey, until: Short, memo: Memo): Report = Report.createReport(
+ rvk,
+ this,
+ index.inc(),
+ until,
+ memo
+ )
+
+ fun toByteArray() = key
+
+ fun toHexString() = key.toHexString()
+
+ companion object {
+ fun createFromByteArray(bytes: ByteArray, index: Short): TemporaryContactKey =
+ TemporaryContactKey(
+ bytes,
+ index
+ )
+ }
+}
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/key/TemporaryContactNumber.kt b/src/main/kotlin/it/unisannio/assd/tkn/key/TemporaryContactNumber.kt
new file mode 100644
index 0000000..3436730
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/key/TemporaryContactNumber.kt
@@ -0,0 +1,21 @@
+package it.unisannio.assd.tkn.key
+
+import it.unisannio.assd.tkn.toHexString
+import java.nio.ByteBuffer
+import java.util.*
+
+class TemporaryContactNumber(
+ private val number: ByteArray,
+ private val index: Short
+) {
+ fun toHexString() = number.toHexString()
+
+ fun toUUID(): UUID {
+ val byteBuffer = ByteBuffer.wrap(number)
+ val high = byteBuffer.long
+ val low = byteBuffer.long
+ return UUID(high, low)
+ }
+
+ fun toByteArray() = number
+}
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/report/Memo.kt b/src/main/kotlin/it/unisannio/assd/tkn/report/Memo.kt
new file mode 100644
index 0000000..fabcb90
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/report/Memo.kt
@@ -0,0 +1,5 @@
+package it.unisannio.assd.tkn.report
+
+// TODO
+
+typealias Memo = String
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/report/Report.kt b/src/main/kotlin/it/unisannio/assd/tkn/report/Report.kt
new file mode 100644
index 0000000..bf3f886
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/report/Report.kt
@@ -0,0 +1,89 @@
+package it.unisannio.assd.tkn.report
+
+import it.unisannio.assd.tkn.Const
+import it.unisannio.assd.tkn.key.ReportAuthorizationKey
+import it.unisannio.assd.tkn.key.ReportVerificationKey
+import it.unisannio.assd.tkn.key.TemporaryContactKey
+import it.unisannio.assd.tkn.read
+import it.unisannio.assd.tkn.toHexString
+import java.nio.ByteBuffer
+import java.nio.ByteOrder
+
+class Report private constructor(private val report: ByteArray) {
+ private val reportData by lazy {
+ readReportDataFromByteArray(report)
+ }
+
+ fun signWith(rak: ReportAuthorizationKey): SignedReport =
+ SignedReport.createFromReport(
+ this,
+ rak
+ )
+
+ fun getVerificationKey(): ReportVerificationKey = reportData.rvk
+
+ fun toReportData(): ReportData = reportData
+
+ fun toByteArray() = report
+
+ fun toHexString() = report.toHexString()
+
+ companion object {
+ fun createReport(
+ rvk: ReportVerificationKey,
+ tck: TemporaryContactKey,
+ from: Short,
+ until: Short,
+ memo: Memo
+ ): Report {
+ val memoData = memo.toByteArray()
+ val buffer = ByteBuffer.allocate(Const.REPORT_SIZE + memoData.size).apply {
+ order(ByteOrder.LITTLE_ENDIAN)
+ put(rvk.toByteArray())
+ put(tck.toByteArray())
+ putShort(from)
+ putShort(until)
+ put(0) // TODO
+ put(memoData.size.toByte())
+ put(memoData)
+ }
+
+ return Report(buffer.array())
+ }
+
+ fun createReport(reportData: ReportData): Report =
+ createReport(
+ reportData.rvk,
+ reportData.tck,
+ reportData.from,
+ reportData.until,
+ reportData.memo
+ )
+
+ fun readReportFromByteArray(bytes: ByteArray): Report =
+ createReport(
+ readReportDataFromByteArray(bytes)
+ )
+
+ fun readReportDataFromByteArray(bytes: ByteArray): ReportData {
+ val buffer = ByteBuffer.wrap(bytes).apply {
+ order(ByteOrder.LITTLE_ENDIAN)
+ }
+
+ val rvk = ReportVerificationKey.createFromByteArray(buffer.read(32))
+ val tckBytes = buffer.read(32)
+ val from = buffer.short
+ val until = buffer.short
+ val memoType = buffer.get()
+ val memoData = String(buffer.read(buffer.get().toInt()))
+
+ return ReportData(
+ rvk,
+ TemporaryContactKey.createFromByteArray(tckBytes, from.dec()),
+ from,
+ until,
+ memoData
+ )
+ }
+ }
+}
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/report/ReportData.kt b/src/main/kotlin/it/unisannio/assd/tkn/report/ReportData.kt
new file mode 100644
index 0000000..f3dc4b9
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/report/ReportData.kt
@@ -0,0 +1,12 @@
+package it.unisannio.assd.tkn.report
+
+import it.unisannio.assd.tkn.key.ReportVerificationKey
+import it.unisannio.assd.tkn.key.TemporaryContactKey
+
+data class ReportData(
+ val rvk: ReportVerificationKey,
+ val tck: TemporaryContactKey,
+ val from: Short,
+ val until: Short,
+ val memo: Memo
+)
diff --git a/src/main/kotlin/it/unisannio/assd/tkn/report/SignedReport.kt b/src/main/kotlin/it/unisannio/assd/tkn/report/SignedReport.kt
new file mode 100644
index 0000000..ee6a0df
--- /dev/null
+++ b/src/main/kotlin/it/unisannio/assd/tkn/report/SignedReport.kt
@@ -0,0 +1,51 @@
+package it.unisannio.assd.tkn.report
+
+import it.unisannio.assd.tkn.key.ReportAuthorizationKey
+import it.unisannio.assd.tkn.read
+import it.unisannio.assd.tkn.toHexString
+import java.nio.ByteBuffer
+import java.nio.ByteOrder
+
+class SignedReport private constructor(
+ val report: Report,
+ private val sign: ByteArray
+) {
+ fun verify(): Boolean = report.getVerificationKey()
+ .verify(report.toByteArray(), sign)
+
+ fun toByteArray(): ByteArray {
+ val reportBytes = report.toByteArray()
+ val buffer = ByteBuffer.allocate(reportBytes.size + sign.size).apply {
+ put(reportBytes)
+ put(sign)
+ }
+
+ return buffer.array()
+ }
+
+ fun toHexString(): String = toByteArray().toHexString()
+
+ companion object {
+ fun createFromReport(
+ report: Report,
+ rak: ReportAuthorizationKey
+ ): SignedReport =
+ SignedReport(
+ report,
+ rak.sign(report.toByteArray(), report.getVerificationKey())
+ )
+
+ fun readFromByteArray(bytes: ByteArray): SignedReport {
+ val report = Report.readReportFromByteArray(bytes)
+
+ val buffer = ByteBuffer.wrap(bytes).apply {
+ order(ByteOrder.LITTLE_ENDIAN)
+ read(report.toByteArray().size)
+ }
+
+ val sign = buffer.read(buffer.remaining())
+
+ return SignedReport(report, sign)
+ }
+ }
+}