repositories {
  mavenCentral()
}

dependencies {
  implementation 'com.github.netricecake:hkdf:1.1'
}

<dependencies>
  <dependency>
    <groupId>com.github.netricecake</groupId>
    <artifactId>hkdf</artifactId>
    <version>1.1</version>
  </dependency>
</dependencies>

HKDF.fromHmacSha256() //Use HmacSHA256
HKDF.fromHmacSha384() //Use HmacSHA384

extract(byte[] salt, byte[] keyMaterial)

expand(byte[] key, byte[] info, int outLengthBytes)

expandLabel(byte[] key, String label, byte[] context, int length)