```
public class KeyFactorySecureRandom
extends Object
```
This factory generate a key composed by a counter and a random number. The counter ensures uniqueness, and the random number prevents guess the next session token.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`byte[]`	`decode(String value)`	Decode a view state session token into a key
`String`	`encode(byte[] key)`	Encode a Key into a value that will be used as view state session token
`Integer`	`generateCounterKey(FacesContext facesContext)`
`byte[]`	`generateKey(FacesContext facesContext)`	Generates a unique key per session

public KeyFactorySecureRandom(FacesContext facesContext)

public Integer generateCounterKey(FacesContext facesContext)

public byte[] generateKey(FacesContext facesContext)

Generates a unique key per session

encode
```
public String encode(byte[] key)
```
Encode a Key into a value that will be used as view state session token

decode
```
public byte[] decode(String value)
```
Decode a view state session token into a key

Class KeyFactorySecureRandom