Enables seamless integration of end-to-end encryption in Java applications, leveraging a native C++ library for security and performance, with a simple API and error-minimizing features.
This repository provides Kotlin wrappers for the native C++ library used by PrivMX to handle end-to-end (e2e) encryption.
PrivMX is a privacy-focused platform designed to offer secure collaboration solutions by integrating robust encryption across various data types and communication methods. This project enables seamless integration of PrivMX’s encryption functionalities in Java/Kotlin applications, preserving the security and performance of the original C++ library while making its capabilities accessible in the Kotlin multiplatform projects.
PrivMX allows developers to build end-to-end encrypted apps used for communication. The Platform works according to privacy-by-design mindset, so all of our solutions are based on Zero-Knowledge architecture. This project extends PrivMX’s commitment to security by making its encryption features accessible to developers using Java/Kotlin.
PrivMX Endpoint Kotlin Extra is the fundamental recommended library for using the platform in the majority of cases. It encompasses all the essential logic that simplifies and secures the usage of our libraries.
This library implements:
PrivMXEndpoint for managing the connection and registering callbacks for any events.PrivMXEndpointContainer for managing the global session with an implemented event loop.PrivMX Endpoint Kotlin is the minimal wrapper library, essential for the platform’s operational functionality. It declares native functions in Kotlin using JNI. As the most minimalist library available, it provides the highest degree of flexibility in customizing the platform to meet your specific requirements.
This library implements models, exception catching, and the following modules:
CryptoApi - Cryptographic methods used to encrypt/decrypt and sign your data or generate keys to
work with PrivMX Bridge.Connection - Methods for managing connection with PrivMX Bridge.ThreadApi - Methods for managing Threads and sending/reading messages.StoreApi - Methods for managing Stores and sending/reading files.InboxApi - Methods for managing Inboxes and entries.mavenCentral() repository to your settings.gradle.kts:pluginManagement {
repositories {
mavenCentral()
}
}
dependencyResolutionManagement {
repositories {
mavenCentral()
}
}
build.gradle.kts:kotlin {
sourceSets {
val commonMain by getting {
dependencies {
implementation("com.simplito.kotlin:privmx-endpoint:$privmxLibVersion")
// optionally you can add privmx-endpoint-extra dependency
// implementation("com.simplito.kotlin:privmx-endpoint-extra:$privmxLibVersion")
}
}
}
}
build.gradle:plugins {
id("com.simplito.privmx-endpoint-install-native") version "2.0.0"
}
The plugin automatically adds the necessary native libraries to the runtime in your Java, Android, or Kotlin project. For Java applications, it includes libraries for all supported desktop platforms. The source code of the plugin is available on GitHub.
When you first use the API, the PrivMX wrapper unpacks and loads these native libraries.
They are unpacked to your working directory if your java.library.path includes ..
Otherwise, they are unpacked to the last path specified in the java.library.path.
The plugin automatically adds the necessary native libraries to the runtime in your Java, Android, or Kotlin project. For Android applications, it includes Android-specific binaries. The source code of the plugin is available on GitHub.
On Android, the native libraries are extracted by the installer and then the PrivMX wrapper loads them in the runtime.
PrivMX Endpoint requires to add the following permissions to your AndroidManifest.xml:
<uses-permission android:name="android.permission.INTERNET" />PrivMX Endpoint Kotlin
Copyright © 2025 Simplito sp. z o.o.
This project is part of the PrivMX Platform (https://privmx.dev).
This project is Licensed under the MIT License.
PrivMX Endpoint and PrivMX Bridge are licensed under the PrivMX Free License.
See the License for the specific language governing permissions and limitations under the License.
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