commit d04f7650bfc02741ff33114330385174305942ad
Author: Davide Depau <davide@depau.eu>
Date: Mon Nov 30 21:49:50 2020 +0100
Initial commit
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 0000000..6c1068e
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,33 @@
+import org.gradle.jvm.tasks.Jar
+
+plugins {
+ java
+ kotlin("jvm") version "1.4.20"
+}
+
+group = "org.example"
+version = "1.0-SNAPSHOT"
+
+repositories {
+ mavenCentral()
+}
+
+dependencies {
+ implementation(kotlin("stdlib"))
+ implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+ implementation("com.xenomachina:kotlin-argparser:2.0.7")
+ implementation("org.fusesource.jansi:jansi:1.17.1")
+}
+
+val fatJar = task("fatJar", type = Jar::class) {
+ baseName = "${project.name}-fat"
+ // manifest Main-Class attribute is optional.
+ // (Used only to provide default main class for executable jar)
+ manifest {
+ attributes["Implementation-Title"] = "Gradle Jar File for Tapo Decrypt PoC"
+ attributes["Implementation-Version"] = version
+ attributes["Main-Class"] = "MainKt"
+ }
+ from(configurations.runtimeClasspath.get().map { if (it.isDirectory) it else zipTree(it) })
+ with(tasks["jar"] as CopySpec)
+}
\ No newline at end of file
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..62d4c05
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..a4b4429
--- /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-6.3-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..fbd7c51
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/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..a9f778a
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,104 @@
+@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 Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@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..87dc622
--- /dev/null
+++ b/settings.gradle.kts
@@ -0,0 +1,2 @@
+rootProject.name = "tapo-decrypt-poc"
+
diff --git a/src/main/java/Aes.kt b/src/main/java/Aes.kt
new file mode 100644
index 0000000..f7da4db
--- /dev/null
+++ b/src/main/java/Aes.kt
@@ -0,0 +1,94 @@
+import java.security.InvalidAlgorithmParameterException
+import java.security.InvalidKeyException
+import java.security.NoSuchAlgorithmException
+import java.security.SecureRandom
+import javax.crypto.*
+import javax.crypto.spec.IvParameterSpec
+import javax.crypto.spec.SecretKeySpec
+
+class Aes {
+ private lateinit var encryptCipher: Cipher
+ private lateinit var decryptCipher: Cipher
+ private val encryptLock = Any()
+ private val decryptLock = Any()
+
+ constructor() {
+ try {
+ val key = generateKey()
+ val seed = SecureRandom().generateSeed(16)
+ val iv = IvParameterSpec(seed)
+ encryptCipher = Cipher.getInstance("AES/CBC/PKCS7Padding").apply {
+ init(Cipher.ENCRYPT_MODE, key, iv)
+ }
+ decryptCipher = Cipher.getInstance("AES/CBC/PKCS7Padding").apply {
+ init(Cipher.DECRYPT_MODE, key, iv)
+ }
+ } catch (e: Exception) {
+ e.printStackTrace()
+ }
+ }
+
+ constructor(keyArr: ByteArray, ivArr: ByteArray) {
+ try {
+ val key = SecretKeySpec(keyArr, "AES")
+ val iv = IvParameterSpec(ivArr)
+ encryptCipher = Cipher.getInstance("AES/CBC/PKCS7Padding").apply {
+ init(Cipher.ENCRYPT_MODE, key, iv)
+ }
+ decryptCipher = Cipher.getInstance("AES/CBC/PKCS7Padding").apply {
+ init(Cipher.DECRYPT_MODE, key, iv)
+ }
+ } catch (e: NoSuchAlgorithmException) {
+ e.printStackTrace()
+ } catch (e: NoSuchPaddingException) {
+ e.printStackTrace()
+ } catch (e: InvalidKeyException) {
+ e.printStackTrace()
+ } catch (e: InvalidAlgorithmParameterException) {
+ e.printStackTrace()
+ }
+ }
+
+ @Throws(InvalidAlgorithmParameterException::class, InvalidKeyException::class)
+ fun setKeyAndIV(keySpec: ByteArray, ivSpec: ByteArray) {
+ val secretKeySpec = SecretKeySpec(keySpec, "AES")
+ val ivParameterSpec = IvParameterSpec(ivSpec)
+ encryptCipher.init(Cipher.ENCRYPT_MODE, secretKeySpec, ivParameterSpec)
+ decryptCipher.init(Cipher.DECRYPT_MODE, secretKeySpec, ivParameterSpec)
+ }
+
+ @Throws(BadPaddingException::class, ShortBufferException::class, IllegalBlockSizeException::class)
+ fun decrypt(input: ByteArray, output: ByteArray, inputLen: Int): Int {
+ var ret: Int
+ synchronized(decryptLock) { ret = decryptCipher.doFinal(input, 0, inputLen, output) }
+ return ret
+ }
+
+ @Throws(BadPaddingException::class, IllegalBlockSizeException::class)
+ fun decrypt(input: ByteArray, inputLen: Int): ByteArray {
+ var output: ByteArray
+ synchronized(decryptLock) { output = decryptCipher.doFinal(input, 0, inputLen) }
+ return output
+ }
+
+ @Throws(BadPaddingException::class, IllegalBlockSizeException::class)
+ fun decrypt(input: ByteArray): ByteArray {
+ var output: ByteArray
+ synchronized(decryptLock) { output = decryptCipher.doFinal(input, 0, input.size) }
+ return output
+ }
+
+ @Throws(BadPaddingException::class, IllegalBlockSizeException::class)
+ fun encrypt(input: ByteArray): ByteArray {
+ var output: ByteArray
+ synchronized(encryptLock) { output = encryptCipher.doFinal(input, 0, input.size) }
+ return output
+ }
+
+ @Throws(NoSuchAlgorithmException::class)
+ private fun generateKey(): SecretKey {
+ val instance = KeyGenerator.getInstance("AES")
+ instance.init(128)
+ return instance.generateKey()
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/GenKey.java b/src/main/java/GenKey.java
new file mode 100644
index 0000000..30290f8
--- /dev/null
+++ b/src/main/java/GenKey.java
@@ -0,0 +1,12 @@
+public class GenKey {
+
+ /* renamed from: a */
+ public static String generateDefaultPsw() {
+ return "TPL075526460603";
+ }
+
+ /* renamed from: b */
+ public static String generateDefaultUsername() {
+ return "admin";
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/StreamAesUtils.java b/src/main/java/StreamAesUtils.java
new file mode 100644
index 0000000..38fa09d
--- /dev/null
+++ b/src/main/java/StreamAesUtils.java
@@ -0,0 +1,49 @@
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.HashMap;
+import java.util.logging.Logger;
+
+public class StreamAesUtils {
+ private static final Logger logger = Logger.getLogger(StreamAesUtils.class.getName());
+
+ public static Aes generateFromExchangeKeyAndSuperSecretKey(String keyExchange, String superSecretKey) throws NoSuchAlgorithmException {
+ HashMap<String, String> hashMap = new HashMap<>();
+ String[] params = keyExchange.split(" ");
+ for (String param : params) {
+ String[] keyVal = param.trim().split("=", 2);
+ if (!(keyVal.length != 2 || keyVal[0] == null || keyVal[1] == null)) {
+ String trim = keyVal[0].trim();
+ String trim2 = keyVal[1].replace("\"", "").trim();
+ hashMap.put(trim, trim2);
+ }
+ }
+ if (!hashMap.containsKey("nonce")) {
+ return null;
+ }
+ logger.info("cipher=" + (hashMap.get("cipher")));
+ logger.info("username=" + (hashMap.get("username")));
+ logger.info("padding=" + (hashMap.get("padding")));
+ logger.info("algorithm=" + (hashMap.get("algorithm")));
+ logger.info("nonce=" + (hashMap.get("nonce")));
+ return fromUserNonceSuperSecretKey(hashMap.get("username"), hashMap.get("nonce"), superSecretKey);
+ }
+
+ public static Aes fromUserNonceSuperSecretKey(String username, String nonce, String superSecretKey) throws NoSuchAlgorithmException {
+ if (GenKey.generateDefaultUsername().equals(username)) {
+ logger.info("AES use User Password");
+ } else if ("none".equals(username)) {
+ superSecretKey = GenKey.generateDefaultPsw();
+ } else {
+ logger.info("AES key-exchange unknown username");
+ return null;
+ }
+ byte[] md5 = md5Digest(nonce + ":" + superSecretKey);
+ return new Aes(md5, md5Digest(username + ":" + nonce));
+ }
+
+ private static byte[] md5Digest(String str) throws NoSuchAlgorithmException {
+ MessageDigest instance = MessageDigest.getInstance("MD5");
+ instance.update(str.getBytes());
+ return instance.digest();
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/ktx.kt b/src/main/java/ktx.kt
new file mode 100644
index 0000000..ebd90bd
--- /dev/null
+++ b/src/main/java/ktx.kt
@@ -0,0 +1,65 @@
+import java.io.IOException
+import java.io.InputStream
+import java.util.*
+
+@Throws(IOException::class)
+fun InputStream.readNBytesCompat(len: Int): ByteArray? {
+ require(len >= 0) { "len < 0" }
+ var bufs: MutableList<ByteArray>? = null
+ var result: ByteArray? = null
+ var total = 0
+ var remaining = len
+ var n: Int
+ do {
+ val buf = ByteArray(remaining.coerceAtMost(8192))
+ var nread = 0
+
+ // read to EOF which may read more or less than buffer size
+ while (read(
+ buf, nread,
+ (buf.size - nread).coerceAtMost(remaining)
+ ).also { n = it } > 0
+ ) {
+ nread += n
+ remaining -= n
+ }
+ if (nread > 0) {
+ if (Int.MAX_VALUE - 8 - total < nread) {
+ throw OutOfMemoryError("Required array size too large")
+ }
+ total += nread
+ if (result == null) {
+ result = buf
+ } else {
+ if (bufs == null) {
+ bufs = ArrayList()
+ bufs.add(result)
+ }
+ bufs.add(buf)
+ }
+ }
+ // if the last call to read returned -1 or the number of bytes
+ // requested have been read then break
+ } while (n >= 0 && remaining > 0)
+ if (bufs == null) {
+ if (result == null) {
+ return ByteArray(0)
+ }
+ return if (result.size == total) result else Arrays.copyOf(result, total)
+ }
+ result = ByteArray(total)
+ var offset = 0
+ remaining = total
+ for (b in bufs) {
+ val count = b.size.coerceAtMost(remaining)
+ System.arraycopy(b, 0, result, offset, count)
+ offset += count
+ remaining -= count
+ }
+ return result
+}
+
+@Throws(IOException::class)
+fun InputStream.readAllBytesCompat(): ByteArray? {
+ return readNBytesCompat(Int.MAX_VALUE)
+}
\ No newline at end of file
diff --git a/src/main/java/main.kt b/src/main/java/main.kt
new file mode 100644
index 0000000..755123b
--- /dev/null
+++ b/src/main/java/main.kt
@@ -0,0 +1,61 @@
+import com.xenomachina.argparser.ArgParser
+import com.xenomachina.argparser.default
+import com.xenomachina.argparser.mainBody
+import org.fusesource.jansi.internal.CLibrary.STDIN_FILENO
+import org.fusesource.jansi.internal.CLibrary.isatty
+import kotlin.system.exitProcess
+
+class Args(parser: ArgParser) {
+ val encrypt by parser.flagging("-e", "--encrypt", help = "Encrypt stdin instead of decrypting")
+
+ val keyExchange by parser
+ .storing("-k", "--key-exchange", help = "Key-Exchange header value, required if nonce is not provided")
+ .default<String?>(null)
+
+ val cloudPassword by parser
+ .storing("-p", "--password", help = "Cloud password, if camera has been provisioned")
+ .default<String?>(null)
+
+ val username by parser
+ .storing("-u", "--username", help = "User name, either admin or none. Default admin")
+ .default<String>("admin")
+
+ val nonce by parser
+ .storing("-n", "--nonce", help = "Nonce, required if key-exchange is not provided")
+ .default<String?>(null)
+}
+
+fun main(args: Array<String>) = mainBody {
+ ArgParser(args).parseInto(::Args).run {
+ if (keyExchange == null && nonce == null) {
+ println("Either the Key-Exchange or the nonce must be provided!")
+ exitProcess(1)
+ }
+ if (cloudPassword == null) {
+ println("Cloud password not provided, using the default one for unprovisioned cameras")
+ }
+ if (isatty(STDIN_FILENO) == 1) {
+ println("Data to ${if (encrypt) "encrypt" else "decrypt"} must be sent to standard input!")
+ exitProcess(1)
+ }
+ val toProcess = System.`in`.readAllBytesCompat()
+ if (toProcess == null) {
+ println("Unable to read data from stdin!")
+ exitProcess(1)
+ }
+
+ val aes = if (keyExchange != null) {
+ StreamAesUtils.generateFromExchangeKeyAndSuperSecretKey(keyExchange, cloudPassword)
+ } else {
+ StreamAesUtils.fromUserNonceSuperSecretKey(username, nonce, cloudPassword)
+ }
+
+ val output = if (encrypt) {
+ aes.encrypt(toProcess)
+ } else {
+ aes.decrypt(toProcess)
+ }
+
+ System.out.write(output)
+ }
+}