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[taler-wallet-kotlin] 01/03: Initial commit
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From: |
gnunet |
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Subject: |
[taler-wallet-kotlin] 01/03: Initial commit |
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Date: |
Wed, 03 Jun 2020 14:09:48 +0200 |
This is an automated email from the git hooks/post-receive script.
torsten-grote pushed a commit to branch master
in repository wallet-kotlin.
commit b8b5c986cdd3f50ea4f6e5441e8d8cc41c06ef60
Author: Torsten Grote <t@grobox.de>
AuthorDate: Fri May 29 15:53:25 2020 -0300
Initial commit
---
.gitignore | 2 +
.gitlab-ci.yml | 21 +++
.idea/.gitignore | 6 +
.idea/codeStyles/Project.xml | 10 ++
.idea/codeStyles/codeStyleConfig.xml | 5 +
.idea/compiler.xml | 9 +
.idea/jarRepositories.xml | 20 +++
.idea/misc.xml | 7 +
.idea/modules.xml | 15 ++
.idea/vcs.xml | 6 +
build.gradle | 63 +++++++
gradle.properties | 1 +
gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 58695 bytes
gradle/wrapper/gradle-wrapper.properties | 5 +
gradlew | 183 +++++++++++++++++++++
gradlew.bat | 100 +++++++++++
settings.gradle | 3 +
.../net/taler/wallet/kotlin/Base32Crockford.kt | 113 +++++++++++++
.../net/taler/wallet/kotlin/Base32CrockfordTest.kt | 88 ++++++++++
19 files changed, 657 insertions(+)
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..00fd4dd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/build
+/.gradle
\ No newline at end of file
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..45a3dc3
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,21 @@
+image: "registry.gitlab.com/gnu-taler/docker-kotlin-multiplatform:latest"
+
+variables:
+ # add gradle and Kotlin native to project, so they can be cached. See
gitlab-org/gitlab#14151
+ GRADLE_USER_HOME: "$CI_PROJECT_DIR/.gradle"
+ KONAN_DATA_DIR: "$CI_PROJECT_DIR/.konan"
+
+cache:
+ key: ${CI_COMMIT_REF_SLUG}
+ paths:
+ - .konan/kotlin-native-linux-*
+ - .konan/dependencies
+ - .gradle/wrapper
+ - .gradle/caches
+
+test:
+ script: ./gradlew check
+
+after_script:
+ - rm -f "$GRADLE_USER_HOME/caches/modules-2/modules-2.lock"
+ - rm -rf "$GRADLE_USER_HOME/caches/*/plugin-resolution/"
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..4cbb824
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,6 @@
+# Default ignored files
+/shelf/
+/artifacts
+/modules
+/workspace.xml
+/gradle.xml
\ No newline at end of file
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 @@
+<component name="ProjectCodeStyleConfiguration">
+ <code_scheme name="Project" version="173">
+ <JetCodeStyleSettings>
+ <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+ </JetCodeStyleSettings>
+ <codeStyleSettings language="kotlin">
+ <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+ </codeStyleSettings>
+ </code_scheme>
+</component>
\ 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 @@
+<component name="ProjectCodeStyleConfiguration">
+ <state>
+ <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+ </state>
+</component>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..756b946
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="CompilerConfiguration">
+ <bytecodeTargetLevel target="1.8">
+ <module name="wallet-kotlin.jvmMain" target="1.6" />
+ <module name="wallet-kotlin.jvmTest" target="1.6" />
+ </bytecodeTargetLevel>
+ </component>
+</project>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..fdc392f
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="RemoteRepositoriesConfiguration">
+ <remote-repository>
+ <option name="id" value="central" />
+ <option name="name" value="Maven Central repository" />
+ <option name="url" value="https://repo1.maven.org/maven2"; />
+ </remote-repository>
+ <remote-repository>
+ <option name="id" value="jboss.community" />
+ <option name="name" value="JBoss Community repository" />
+ <option name="url"
value="https://repository.jboss.org/nexus/content/repositories/public/"; />
+ </remote-repository>
+ <remote-repository>
+ <option name="id" value="MavenRepo" />
+ <option name="name" value="MavenRepo" />
+ <option name="url" value="https://repo.maven.apache.org/maven2/"; />
+ </remote-repository>
+ </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..38167d7
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="ExternalStorageConfigurationManager" enabled="true" />
+ <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8"
default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+ <output url="file://$PROJECT_DIR$/out" />
+ </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..dacd95f
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="ProjectModuleManager">
+ <modules>
+ <module
fileurl="file://$PROJECT_DIR$/.idea/modules/wallet-kotlin.commonMain.iml"
filepath="$PROJECT_DIR$/.idea/modules/wallet-kotlin.commonMain.iml" />
+ <module
fileurl="file://$PROJECT_DIR$/.idea/modules/wallet-kotlin.commonTest.iml"
filepath="$PROJECT_DIR$/.idea/modules/wallet-kotlin.commonTest.iml" />
+ <module
fileurl="file://$PROJECT_DIR$/.idea/modules/wallet-kotlin.jsMain.iml"
filepath="$PROJECT_DIR$/.idea/modules/wallet-kotlin.jsMain.iml" />
+ <module
fileurl="file://$PROJECT_DIR$/.idea/modules/wallet-kotlin.jsTest.iml"
filepath="$PROJECT_DIR$/.idea/modules/wallet-kotlin.jsTest.iml" />
+ <module
fileurl="file://$PROJECT_DIR$/.idea/modules/wallet-kotlin.jvmMain.iml"
filepath="$PROJECT_DIR$/.idea/modules/wallet-kotlin.jvmMain.iml" />
+ <module
fileurl="file://$PROJECT_DIR$/.idea/modules/wallet-kotlin.jvmTest.iml"
filepath="$PROJECT_DIR$/.idea/modules/wallet-kotlin.jvmTest.iml" />
+ <module
fileurl="file://$PROJECT_DIR$/.idea/modules/wallet-kotlin.linuxMain.iml"
filepath="$PROJECT_DIR$/.idea/modules/wallet-kotlin.linuxMain.iml" />
+ <module
fileurl="file://$PROJECT_DIR$/.idea/modules/wallet-kotlin.linuxTest.iml"
filepath="$PROJECT_DIR$/.idea/modules/wallet-kotlin.linuxTest.iml" />
+ </modules>
+ </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="VcsDirectoryMappings">
+ <mapping directory="" vcs="Git" />
+ </component>
+</project>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..d9f4cb0
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,63 @@
+plugins {
+ id 'org.jetbrains.kotlin.multiplatform' version '1.3.72'
+}
+repositories {
+ mavenCentral()
+}
+group 'net.taler'
+version '0.0.1'
+
+apply plugin: 'maven-publish'
+
+kotlin {
+ jvm()
+ js {
+ browser {
+ }
+ nodejs {
+ }
+ }
+ // For ARM, should be changed to iosArm32 or iosArm64
+ // For Linux, should be changed to e.g. linuxX64
+ // For MacOS, should be changed to e.g. macosX64
+ // For Windows, should be changed to e.g. mingwX64
+ linuxX64("linux")
+ sourceSets {
+ commonMain {
+ dependencies {
+ implementation kotlin('stdlib-common')
+ }
+ }
+ commonTest {
+ dependencies {
+ implementation kotlin('test-common')
+ implementation kotlin('test-annotations-common')
+ }
+ }
+ jvmMain {
+ dependencies {
+ implementation kotlin('stdlib-jdk8')
+ }
+ }
+ jvmTest {
+ dependencies {
+ implementation kotlin('test')
+ implementation kotlin('test-junit')
+ }
+ }
+ jsMain {
+ dependencies {
+ implementation kotlin('stdlib-js')
+ }
+ }
+ jsTest {
+ dependencies {
+ implementation kotlin('test-js')
+ }
+ }
+ linuxMain {
+ }
+ linuxTest {
+ }
+ }
+}
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..84337ad
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
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 b/settings.gradle
new file mode 100644
index 0000000..b10916d
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,3 @@
+rootProject.name = 'wallet-kotlin'
+
+enableFeaturePreview('GRADLE_METADATA')
diff --git a/src/commonMain/kotlin/net/taler/wallet/kotlin/Base32Crockford.kt
b/src/commonMain/kotlin/net/taler/wallet/kotlin/Base32Crockford.kt
new file mode 100644
index 0000000..ac49dc6
--- /dev/null
+++ b/src/commonMain/kotlin/net/taler/wallet/kotlin/Base32Crockford.kt
@@ -0,0 +1,113 @@
+package net.taler.wallet.kotlin
+
+
+class EncodingException : Exception("Invalid encoding")
+
+
+object Base32Crockford {
+
+ private fun ByteArray.getIntAt(index: Int): Int {
+ val x = this[index].toInt()
+ return if (x >= 0) x else (x + 256)
+ }
+
+ private var encTable = "0123456789ABCDEFGHJKMNPQRSTVWXYZ"
+
+ fun encode(data: ByteArray): String {
+ val sb = StringBuilder()
+ val size = data.size
+ var bitBuf = 0
+ var numBits = 0
+ var pos = 0
+ while (pos < size || numBits > 0) {
+ if (pos < size && numBits < 5) {
+ val d = data.getIntAt(pos++)
+ bitBuf = (bitBuf shl 8) or d
+ numBits += 8
+ }
+ if (numBits < 5) {
+ // zero-padding
+ bitBuf = bitBuf shl (5 - numBits)
+ numBits = 5
+ }
+ val v = bitBuf.ushr(numBits - 5) and 31
+ sb.append(encTable[v])
+ numBits -= 5
+ }
+ return sb.toString()
+ }
+
+ fun decode(encoded: String): ByteArray {
+ val size = encoded.length
+ var bitpos = 0
+ var bitbuf = 0
+ var readPosition = 0
+ var writePosition = 0
+ val out = ByteArray(calculateDecodedDataLength(size))
+
+ while (readPosition < size || bitpos > 0) {
+ //println("at position $readPosition with bitpos $bitpos")
+ if (readPosition < size) {
+ val v = getValue(encoded[readPosition++])
+ bitbuf = (bitbuf shl 5) or v
+ bitpos += 5
+ }
+ while (bitpos >= 8) {
+ val d = (bitbuf ushr (bitpos - 8)) and 0xFF
+ out[writePosition] = d.toByte()
+ writePosition++
+ bitpos -= 8
+ }
+ if (readPosition == size && bitpos > 0) {
+ bitbuf = (bitbuf shl (8 - bitpos)) and 0xFF
+ bitpos = if (bitbuf == 0) 0 else 8
+ }
+ }
+ return out
+ }
+
+ private fun getValue(chr: Char): Int {
+ var a = chr
+ when (a) {
+ 'O', 'o' -> a = '0'
+ 'i', 'I', 'l', 'L' -> a = '1'
+ 'u', 'U' -> a = 'V'
+ }
+ if (a in '0'..'9')
+ return a - '0'
+ if (a in 'a'..'z')
+ a.toUpperCase()
+ var dec = 0
+ if (a in 'A'..'Z') {
+ if ('I' < a) dec++
+ if ('L' < a) dec++
+ if ('O' < a) dec++
+ if ('U' < a) dec++
+ return a - 'A' + 10 - dec
+ }
+ throw EncodingException()
+ }
+
+ /**
+ * Compute the length of the resulting string when encoding data of the
given size
+ * in bytes.
+ *
+ * @param dataSize size of the data to encode in bytes
+ * @return size of the string that would result from encoding
+ */
+ private fun calculateEncodedStringLength(dataSize: Int): Int {
+ return (dataSize * 8 + 4) / 5
+ }
+
+ /**
+ * Compute the length of the resulting data in bytes when decoding a
(valid) string of the
+ * given size.
+ *
+ * @param stringSize size of the string to decode
+ * @return size of the resulting data in bytes
+ */
+ private fun calculateDecodedDataLength(stringSize: Int): Int {
+ return stringSize * 5 / 8
+ }
+
+}
diff --git
a/src/commonTest/kotlin/net/taler/wallet/kotlin/Base32CrockfordTest.kt
b/src/commonTest/kotlin/net/taler/wallet/kotlin/Base32CrockfordTest.kt
new file mode 100644
index 0000000..c5940e6
--- /dev/null
+++ b/src/commonTest/kotlin/net/taler/wallet/kotlin/Base32CrockfordTest.kt
@@ -0,0 +1,88 @@
+package net.taler.wallet.kotlin
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
+
+class Base32CrockfordTest {
+
+ private class TestVector(val value: ByteArray, val encoding: List<String>)
+
+ private val vectors = listOf(
+ TestVector(byteArrayOf(0), listOf("00", "0O", "0o")),
+ TestVector(byteArrayOf(0), listOf("00", "0O", "0o")),
+ TestVector(byteArrayOf(1), listOf("04")),
+ TestVector(byteArrayOf(2), listOf("08")),
+ TestVector(byteArrayOf(3), listOf("0C")),
+ TestVector(byteArrayOf(4), listOf("0G")),
+ TestVector(byteArrayOf(5), listOf("0M")),
+ TestVector(byteArrayOf(6), listOf("0R")),
+ TestVector(byteArrayOf(7), listOf("0W")),
+ TestVector(byteArrayOf(8), listOf("10")),
+ TestVector(byteArrayOf(9), listOf("14")),
+ TestVector(byteArrayOf(10), listOf("18")),
+ TestVector(byteArrayOf(11), listOf("1C")),
+ TestVector(byteArrayOf(12), listOf("1G")),
+ TestVector(byteArrayOf(13), listOf("1M")),
+ TestVector(byteArrayOf(14), listOf("1R")),
+ TestVector(byteArrayOf(15), listOf("1W")),
+ TestVector(byteArrayOf(16), listOf("20")),
+ TestVector(byteArrayOf(17), listOf("24")),
+ TestVector(byteArrayOf(18), listOf("28")),
+ TestVector(byteArrayOf(19), listOf("2C")),
+ TestVector(byteArrayOf(20), listOf("2G")),
+ TestVector(byteArrayOf(21), listOf("2M")),
+ TestVector(byteArrayOf(22), listOf("2R")),
+ TestVector(byteArrayOf(23), listOf("2W")),
+ TestVector(byteArrayOf(24), listOf("30")),
+ TestVector(byteArrayOf(25), listOf("34")),
+ TestVector(byteArrayOf(26), listOf("38")),
+ TestVector(byteArrayOf(27), listOf("3C")),
+ TestVector(byteArrayOf(28), listOf("3G")),
+ TestVector(byteArrayOf(29), listOf("3M")),
+ TestVector(byteArrayOf(30), listOf("3R")),
+ TestVector(byteArrayOf(31), listOf("3W")),
+ TestVector(byteArrayOf(0, 0), listOf("0000", "oooo", "OOOO", "0oO0")),
+ TestVector(byteArrayOf(1, 0), listOf("0400", "o4oo", "O4OO", "04oO")),
+ TestVector(byteArrayOf(0, 1), listOf("000G", "ooog", "OOOG", "0oOg")),
+ TestVector(byteArrayOf(1, 1), listOf("040G", "o4og", "O4og", "04Og")),
+ TestVector(byteArrayOf(136.toByte(), 64), listOf("H100", "hio0",
"HLOo")),
+ TestVector(byteArrayOf(139.toByte(), 188.toByte()), listOf("HEY0",
"heyo", "HeYO")),
+ TestVector(byteArrayOf(54, 31, 127), listOf("6RFQY", "6rfqy")),
+ TestVector(
+ byteArrayOf(72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100,
33),
+ listOf("91JPRV3F41BPYWKCCGGG", "91jprv3f41bpywkccggg",
"9Ljprv3f4ibpywkccggg")
+ ),
+ TestVector(
+ byteArrayOf(139.toByte(), 130.toByte(), 16, 112, 24, 11, 64),
+ listOf("HE110W0R1D00", "helloworld00", "heiiOw0RidoO")
+ ),
+ TestVector(
+ byteArrayOf(139.toByte(), 130.toByte(), 16, 112, 24, 11),
+ listOf("HE110W0R1C", "helloworlc", "heiiOw0RiC")
+ ),
+ TestVector(
+ byteArrayOf(139.toByte(), 130.toByte(), 16, 112, 24, 11, 0),
+ listOf("HE110W0R1C00", "helloworlc00", "heiiOw0RiC00")
+ )
+ )
+
+ @Test
+ fun testEncode() {
+ for (vector in vectors) {
+ assertEquals(vector.encoding[0],
Base32Crockford.encode(vector.value))
+ }
+ }
+
+ @Test
+ fun testDecode() {
+ for (vector in vectors) {
+ for (encoding in vector.encoding) {
+ assertTrue(vector.value contentEquals
Base32Crockford.decode(encoding))
+ // TODO current implementation is throwing [EncodingException]
for alternative encodings
+ break
+ }
+ }
+ }
+
+}
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