add Android NDK Sample, update README.md
Chris Conlon
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[submodule "android/wolfssljni-ndk-sample/wolfssl"]
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path = android/wolfssljni-ndk-sample/wolfssl
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url = https://github.com/wolfSSL/wolfssl.git
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[submodule "android/wolfssljni-ndk-sample/wolfssljni"]
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path = android/wolfssljni-ndk-sample/wolfssljni
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url = https://github.com/wolfSSL/wolfssljni.git
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52
README.md
52
README.md
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@ -1,37 +1,45 @@
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wolfSSL Example Applications
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============================
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This repository contains example applications, written in C, which
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demonstrate how to use the wolfSSL lightweight SSL/TLS library for secure
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This repository contains example applications, written in C, which
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demonstrate how to use the wolfSSL lightweight SSL/TLS library for secure
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communication.
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Each directory represents a unique topic (SSL/TLS, DTLS, PSK, etc.) and
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Each directory represents a unique topic (SSL/TLS, DTLS, PSK, etc.) and
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contains a Makefile as well as a simple tutorial on the given topic.
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## Current Examples
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#### android (Android NDK Examples)
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This directory contains examples that demonstrate using wolfSSL and wolfSSLJNI
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on the Android platform, using the Android NDK toolchain.
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Please see the README.md in android/ for further usage and details.
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#### clu (wolfSSL Command Line Utility)
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This is a tool to provide command line access to wolfcrypt cryptographic libraries.
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wolfSSL command line utility will allow users to encrypt or decrypt a user specified
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file to any file name and extension.
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This is a tool to provide command line access to wolfcrypt cryptographic
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libraries. wolfSSL command line utility will allow users to encrypt or decrypt
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a user specified file to any file name and extension.
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Please see the README.md in clu/ for further usage and details.
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###### Unique feature to wolfSSL CLU
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The decision to allow for unique file extensions was prompted by automated tools
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available for brute forcing files. It will not provide extra security cryptographically
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however it will force attackers to check the header information on every single brute
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force attempt. This will provide further frustration and an extra step in any attempt
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to brute force a file encrypted with our utility.
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The decision to allow for unique file extensions was prompted by automated
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tools available for brute forcing files. It will not provide extra security
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cryptographically however it will force attackers to check the header
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information on every single brute force attempt. This will provide further
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frustration and an extra step in any attempt to brute force a file encrypted
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with our utility.
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#### DTLS (Datagram TLS)
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This directory contains examples of using DTLS, with client and server
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examples demonstrating UDP, DTLS, non-blocking, session resumption,
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This directory contains examples of using DTLS, with client and server
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examples demonstrating UDP, DTLS, non-blocking, session resumption,
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and multi-threading.
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When compiling wolfSSL for use with these examples, wolfSSL will need to be
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When compiling wolfSSL for use with these examples, wolfSSL will need to be
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compiled with DTLS support:
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```
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@ -48,11 +56,11 @@ make
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#### PSK (Pre-Shared Keys)
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This directory contains examples of using PSK, with client and server examples
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demonstrating TCP/IP, PSK, non-blocking, session resumption, and
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This directory contains examples of using PSK, with client and server examples
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demonstrating TCP/IP, PSK, non-blocking, session resumption, and
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multi-threading.
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When compiling wolfSSL for use with these examples, wolfSSL will need to be
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When compiling wolfSSL for use with these examples, wolfSSL will need to be
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compiled with PSK support:
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```
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@ -69,8 +77,8 @@ make
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#### SSL/TLS
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This directory contains examples of using SSL/TLS, with client and server
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examples demonstrating TCP/IP, SSL/TLS, non-blocking, session resumption, and
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This directory contains examples of using SSL/TLS, with client and server
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examples demonstrating TCP/IP, SSL/TLS, non-blocking, session resumption, and
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multi-threading.
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Examples in this directory may be compiled using:
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@ -82,12 +90,12 @@ make
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## Notes
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When necessary, examples will use the example certificates and keys located
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in the ./certs directory. These certificates and keys have been pulled in from
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When necessary, examples will use the example certificates and keys located
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in the ./certs directory. These certificates and keys have been pulled in from
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the main wolfSSL repository.
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## Support
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Please contact wolfSSL at support@wolfssl.com with any questions, bug fixes,
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Please contact wolfSSL at support@wolfssl.com with any questions, bug fixes,
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or suggested feature additions.
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# wolfSSL / wolfSSL JNI Android Examples
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This directory contains:
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wolfssljni-ndk-sample - Example project that demonstrates how to integrate
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wolfSSL and wolfSSL JNI into an Android NDK application's Android.mk build
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file.
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## Prerequisites for successful installation
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Prerequisites
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In order to build the wolfCrypt JNI wrapper and wolfCAVP-Android application,
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you need to:
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* Install the `Android SDK` [link](http://developer.android.com/sdk/index.html)
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* Install the `Android NDK` [link](https://developer.android.com/tools/sdk/ndk/index.html)
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Note that these instructions do not use the Android Studio IDE and environment.
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This package has been developed and tested using the Android NDK and SDK
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command line tools.
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After installing the Android SDK, run the `SDK Tools` app packaged with it and
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install Android 4.4:
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```
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$ android
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```
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To set up an emulator and create an "Android Virtual Device (avd)" image, run:
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```
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$ android avd
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```
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## Compiling and Running the wolfssljni-ndk-sample
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After the development environment has been set up, follow these instructions
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to compile and install the wolfCrypt JNI + wolfSSL bundle on
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the Emulator:
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1) Change directories into the android/wolfssljni-ndk-sample directory
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2) Checkout wolfssl and wolfssljni git submodules
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3) Update Android project as shown below
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4) Proceed to compile NDK and Java code as shown below
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```
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$ cd android/wolfssljni-ndk-sample
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$ git submodule init
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$ git submodule update
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$ android update project -p . -s
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$ ndk-build
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$ ant debug
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```
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To install and run the application in an Android emulator, start the emulator:
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```
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$ emulator -avd <target_name>
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```
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Where you can get a list of targets (including the one you created above),
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using:
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```
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$ emulator -list-avds
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```
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then issue 'ant debug install' from the wolfssljni-ndk-sample directory to
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install the apk into the emulator:
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```
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$ ant debug install
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```
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Logcat output from the emulator can be viewed by opening a new terminal window
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while the emulator is running and issuing:
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```
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$ adb logcat
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```
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### Installing and Running wolfCAVP App on Device instead of Emulator
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Compiling, installing, and running the wolfssljni-ndk-sample application on a
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real device, versus the Android Emulator is quite easy, and nearly identical
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to running on the Emulator.
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To compile the application, follow the same steps as shown above.
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After compilation:
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1) Turn on the Android Device
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2) Go to "Settings -> Developer options" and verify that "USB Debugging"
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is enabled (checked).
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3) Plug Android phone into development computer with USB cable
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4) Once the phone has been plugged into the development machine, the same
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command line tools can be used to install apps, view the logcat, and
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pull/push data from/to the device using "adb pull" and "adb push"
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commands. This means you can follow the same steps to install the app
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on the phone, as described above for the emulator - using
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"adb debug install".
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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.wolfssl.example"
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android:versionCode="1"
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android:versionName="1.0">
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<uses-sdk android:minSdkVersion="10" />
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<application android:label="@string/app_name" android:icon="@drawable/icon">
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<activity android:name="JNITest"
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android:label="@string/app_name">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>
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# This file is used to override default values used by the Ant build system.
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#
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# This file must be checked into Version Control Systems, as it is
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# integral to the build system of your project.
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# This file is only used by the Ant script.
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# You can use this to override default values such as
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# 'source.dir' for the location of your java source folder and
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# 'out.dir' for the location of your output folder.
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# You can also use it define how the release builds are signed by declaring
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# the following properties:
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# 'key.store' for the location of your keystore and
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# 'key.alias' for the name of the key to use.
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# The password will be asked during the build when you use the 'release' target.
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source.dir=src;wolfssl-jni-1.1/src/java;
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TOP_PATH := $(call my-dir)/..
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# Build wolfSSL shared library
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include $(CLEAR_VARS)
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LOCAL_PATH := $(TOP_PATH)/wolfssl
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LOCAL_MODULE := libwolfssl
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LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)
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LOCAL_C_INCLUDES := $(LOCAL_PATH)
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LOCAL_CFLAGS := -DOPENSSL_EXTRA -DWOLFSSL_DTLS -D_POSIX_THREADS -DNDEBUG \
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-DPERSIST_SESSION_CACHE -DPERSIST_CERT_CACHE -DATOMIC_USER \
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-DHAVE_PK_CALLBACKS -DNO_DSA -DHAVE_ECC -DTFM_ECC256 \
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-DECC_SHAMIR -DNO_PSK -DNO_MD4 -DNO_HC128 -DNO_RABBIT \
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-DHAVE_OCSP -DHAVE_CRL \
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-Wall
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LOCAL_SRC_FILES := src/crl.c \
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src/internal.c \
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src/io.c \
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src/keys.c \
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src/ocsp.c \
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src/sniffer.c \
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src/ssl.c \
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src/tls.c \
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wolfcrypt/src/aes.c \
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wolfcrypt/src/arc4.c \
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wolfcrypt/src/asm.c \
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wolfcrypt/src/asn.c \
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wolfcrypt/src/blake2b.c \
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wolfcrypt/src/camellia.c \
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wolfcrypt/src/chacha.c \
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wolfcrypt/src/chacha20_poly1305.c \
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wolfcrypt/src/coding.c \
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wolfcrypt/src/compress.c \
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wolfcrypt/src/curve25519.c \
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wolfcrypt/src/des3.c \
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wolfcrypt/src/dh.c \
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wolfcrypt/src/dsa.c \
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wolfcrypt/src/ecc.c \
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wolfcrypt/src/ecc_fp.c \
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wolfcrypt/src/ed25519.c \
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wolfcrypt/src/error.c \
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wolfcrypt/src/fe_low_mem.c \
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wolfcrypt/src/fe_operations.c \
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wolfcrypt/src/ge_low_mem.c \
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wolfcrypt/src/ge_operations.c \
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wolfcrypt/src/hash.c \
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wolfcrypt/src/hc128.c \
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wolfcrypt/src/hmac.c \
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wolfcrypt/src/integer.c \
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wolfcrypt/src/logging.c \
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wolfcrypt/src/md2.c \
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wolfcrypt/src/md4.c \
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wolfcrypt/src/md5.c \
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wolfcrypt/src/memory.c \
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wolfcrypt/src/misc.c \
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wolfcrypt/src/pkcs7.c \
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wolfcrypt/src/poly1305.c \
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wolfcrypt/src/pwdbased.c \
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wolfcrypt/src/rabbit.c \
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wolfcrypt/src/random.c \
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wolfcrypt/src/ripemd.c \
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wolfcrypt/src/rsa.c \
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wolfcrypt/src/sha.c \
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wolfcrypt/src/sha256.c \
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wolfcrypt/src/sha512.c \
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wolfcrypt/src/tfm.c \
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wolfcrypt/src/wc_port.c
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include $(BUILD_SHARED_LIBRARY)
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## Build wolfSSL JNI library
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include $(CLEAR_VARS)
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LOCAL_PATH := $(TOP_PATH)/wolfssljni
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LOCAL_MODULE := libwolfssljni
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LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/native
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LOCAL_C_INCLUDES := $(LOCAL_PATH)/native
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LOCAL_SRC_FILES := native/com_wolfssl_WolfSSL.c \
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native/com_wolfssl_WolfSSLContext.c \
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native/com_wolfssl_WolfSSLSession.c \
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native/com_wolfssl_wolfcrypt_ECC.c \
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native/com_wolfssl_wolfcrypt_RSA.c
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LOCAL_CFLAGS := -DOPENSSL_EXTRA -DWOLFSSL_DTLS -D_POSIX_THREADS -DNDEBUG \
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-DPERSIST_SESSION_CACHE -DPERSIST_CERT_CACHE -DATOMIC_USER \
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-DHAVE_PK_CALLBACKS -DNO_DSA -DHAVE_ECC -DTFM_ECC256 \
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-DECC_SHAMIR -DNO_PSK -DNO_MD4 -DNO_HC128 -DNO_RABBIT \
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-DHAVE_OCSP -DHAVE_CRL \
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-Wall -Os
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LOCAL_SHARED_LIBRARIES := libwolfssl
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include $(BUILD_SHARED_LIBRARY)
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include $(CLEAR_VARS)
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LOCAL_PATH := $(TOP_PATH)/jni
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LOCAL_MODULE := libjnitest
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LOCAL_C_INCLUDES := $(LOCAL_PATH)
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LOCAL_SRC_FILES := jnitest.c
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LOCAL_CFLAGS := -Wall
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LOCAL_SHARED_LIBRARIES := libwolfssl
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include $(BUILD_SHARED_LIBRARY)
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/* com_wolfssl_example_JNITest.h
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*
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* Copyright (C) 2006-2015 wolfSSL Inc.
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*
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* This file is part of wolfSSL. (formerly known as CyaSSL)
|
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*
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* wolfSSL 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.
|
||||
*
|
||||
* wolfSSL 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
|
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*/
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/* DO NOT EDIT THIS FILE - it is machine generated */
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#include <jni.h>
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/* Header for class com_wolfssl_example_JNITest */
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#ifndef _Included_com_wolfssl_example_JNITest
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#define _Included_com_wolfssl_example_JNITest
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#ifdef __cplusplus
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extern "C" {
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#endif
|
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/*
|
||||
* Class: com_wolfssl_example_JNITest
|
||||
* Method: getJniString
|
||||
* Signature: ()Ljava/lang/String;
|
||||
*/
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JNIEXPORT jstring JNICALL Java_com_wolfssl_example_JNITest_getJniString
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(JNIEnv *, jobject);
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||||
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||||
#ifdef __cplusplus
|
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}
|
||||
#endif
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#endif
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/* jnitest.c
|
||||
*
|
||||
* Copyright (C) 2006-2015 wolfSSL Inc.
|
||||
*
|
||||
* This file is part of wolfSSL. (formerly known as CyaSSL)
|
||||
*
|
||||
* wolfSSL 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.
|
||||
*
|
||||
* wolfSSL 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
|
||||
*/
|
||||
|
||||
#include <jni.h>
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#include <wolfssl/ssl.h>
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||||
JNIEXPORT jstring JNICALL Java_com_wolfssl_example_JNITest_getJniString
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(JNIEnv* jenv, jobject jobj)
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||||
{
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return (*jenv)->NewStringUTF(jenv, "Hello from native JNI");
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||||
}
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||||
|
||||
|
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# This file is automatically generated by Android Tools.
|
||||
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
|
||||
#
|
||||
# This file must be checked in Version Control Systems.
|
||||
#
|
||||
# To customize properties used by the Ant build system use,
|
||||
# "build.properties", and override values to adapt the script to your
|
||||
# project structure.
|
||||
|
||||
# Project target.
|
||||
target=android-19
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||||
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@ -0,0 +1,13 @@
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<?xml version="1.0" encoding="utf-8"?>
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||||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
android:orientation="vertical"
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="fill_parent"
|
||||
>
|
||||
<TextView
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:text="Hello World, JNITest"
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||||
/>
|
||||
</LinearLayout>
|
||||
|
||||
|
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@ -0,0 +1,4 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<resources>
|
||||
<string name="app_name">JNITest</string>
|
||||
</resources>
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
/* JNITest.java
|
||||
*
|
||||
* Copyright (C) 2006-2015 wolfSSL Inc.
|
||||
*
|
||||
* This file is part of wolfSSL. (formerly known as CyaSSL)
|
||||
*
|
||||
* wolfSSL 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.
|
||||
*
|
||||
* wolfSSL 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 com.wolfssl.example;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.widget.TextView;
|
||||
import android.os.Bundle;
|
||||
|
||||
import com.wolfssl.WolfSSL;
|
||||
|
||||
public class JNITest extends Activity
|
||||
{
|
||||
/** Called when the activity is first created. */
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState)
|
||||
{
|
||||
super.onCreate(savedInstanceState);
|
||||
|
||||
/* create TextView and set contents */
|
||||
TextView tv = new TextView(this);
|
||||
String jniString = getJniString();
|
||||
tv.setText(jniString);
|
||||
setContentView(tv);
|
||||
|
||||
try {
|
||||
|
||||
/* initialize wolfSSL library, using JNI wrapper */
|
||||
WolfSSL sslLib = new WolfSSL();
|
||||
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
public native String getJniString();
|
||||
|
||||
static {
|
||||
/* these must be loaded in the correct order of dependency */
|
||||
System.loadLibrary("wolfssl");
|
||||
System.loadLibrary("wolfssljni");
|
||||
System.loadLibrary("jnitest");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1 @@
|
|||
Subproject commit ea7f955bd44a5b607938c3fad095c3e27a853407
|
||||
|
|
@ -0,0 +1 @@
|
|||
Subproject commit 1cf5e24da2871bf8b4332e1f7f2e634395141f8c
|
||||
Loading…
Reference in New Issue