PasswordBasedDeriver

Type Parameters:

T - the parameters type for the deriver.

All Known Implementing Classes:

PBEParametersGenerator
```
public interface PasswordBasedDeriver<T>
```
Base interface for a password based deriver of bytes for symmetric keys.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class PasswordBasedDeriver.KeyType
The target key type we are trying to produce a key for.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`byte[]`	`deriveKey(PasswordBasedDeriver.KeyType keyType, int keySizeInBytes)`	Derive a key of the given keySizeInBytes length.
`byte[][]`	`deriveKeyAndIV(PasswordBasedDeriver.KeyType keyType, int keySizeInBytes, int ivSizeInBytes)`	Derive a key of the given keySizeInBytes length and an iv of ivSizeInBytes length.
`T`	`getParameters()`	Return the parameters for this deriver.

- Method Detail
  - getParameters
```
T getParameters()
```
    Return the parameters for this deriver.
    
    Returns:
    
    the deriver's parameters.
  - deriveKey
```
byte[] deriveKey(PasswordBasedDeriver.KeyType keyType,
                 int keySizeInBytes)
```
    Derive a key of the given keySizeInBytes length.
    
    Parameters:
    
    keyType - type of key to be calculated.
    
    keySizeInBytes - the number of bytes to be produced.
    
    Returns:
    
    a byte array containing the raw key data.
  - deriveKeyAndIV
```
byte[][] deriveKeyAndIV(PasswordBasedDeriver.KeyType keyType,
                        int keySizeInBytes,
                        int ivSizeInBytes)
```
    Derive a key of the given keySizeInBytes length and an iv of ivSizeInBytes length.
    
    Parameters:
    
    keyType - type of key to be calculated.
    
    keySizeInBytes - the number of bytes to be produced.
    
    ivSizeInBytes - the number of bytes to be produced.
    
    Returns:
    
    a 2 element byte[] array containing the raw key data in element 0, the iv in element 1.