Keys (xsalsa20poly1305 0.11.0 API)

java.lang.Object
- com.codahale.xsalsa20poly1305.Keys

```
public class Keys
extends java.lang.Object
```
Utility methods for generating XSalsa20Poly1305 keys.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static byte[]`	`generatePrivateKey()`	generates a Curve25519 private key.
`static byte[]`	`generatePublicKey(byte[] privateKey)`	Generates a Curve25519 public key given a Curve25519 private key.
`static byte[]`	`generateSecretKey()`	Generates a 32-byte secret key.
`static byte[]`	`sharedSecret(byte[] publicKey, byte[] privateKey)`	Calculate the X25519/HSalsa20 shared secret for the given public key and private key.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - generateSecretKey
```
public static byte[] generateSecretKey()
```
    Generates a 32-byte secret key.
    
    Returns:
    
    a 32-byte secret key
  - generatePrivateKey
```
public static byte[] generatePrivateKey()
```
    generates a Curve25519 private key.
    
    Returns:
    
    a Curve25519 private key
  - generatePublicKey
```
public static byte[] generatePublicKey(byte[] privateKey)
```
    Generates a Curve25519 public key given a Curve25519 private key.
    
    Parameters:
    
    privateKey - a Curve25519 private key
    
    Returns:
    
    the public key matching privateKey
  - sharedSecret
```
public static byte[] sharedSecret(byte[] publicKey,
                                  byte[] privateKey)
```
    Calculate the X25519/HSalsa20 shared secret for the given public key and private key.
    
    Parameters:
    
    publicKey - the recipient's public key
    
    privateKey - the sender's private key
    
    Returns:
    
    a 32-byte secret key only re-calculable by the sender and recipient