# Kotlin MAC

This library provides various Message Authentication Code implementations in Kotlin Multiplatform.

## Features

* Generate message authentication codes.
    * [HMAC](https://en.wikipedia.org/wiki/HMAC)
* Multiplatform support
    * JVM
    * JavaScript
    * Native (Linux)

## Installation

Add the following to your `build.gradle.kts`.

```kotlin
repositories {
    maven("https://git.infendro.com/api/packages/Infendro/maven")
}

dependencies {
    implementation("com.infendro:mac:1.2.2")
}
```

## Usage

```kotlin
import com.infendro.hash.SHA1
import com.infendro.mac.HMAC

fun main() {
    // create an HMAC instance using SHA1
    val hmac = HMAC(SHA1)

    // generate MAC
    val key = "secret".encodeToByteArray()
    val value = "Hello World!".encodeToByteArray()
    val mac = hmac.hash(key, value)
}
```