MGF1BytesGenerator (Bouncy Castle Library 1.68 API Specification)

java.lang.Object
- org.bouncycastle.crypto.generators.MGF1BytesGenerator

All Implemented Interfaces:: DerivationFunction

public class MGF1BytesGenerator
extends java.lang.Object
implements DerivationFunction

Generator for MGF1 as defined in PKCS 1v2

Constructor Summary

Constructors
Constructor Description

MGF1BytesGenerator(Digest digest)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`generateBytes(byte[] out, int outOff, int len)`	fill len bytes of the output buffer with bytes generated from the derivation function.
`Digest`	`getDigest()`	return the underlying digest.
`void`	`init(DerivationParameters param)`

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

- Constructor Detail
  - MGF1BytesGenerator
```
public MGF1BytesGenerator(Digest digest)
```
    Parameters:
    
    digest - the digest to be used as the source of generated bytes
- Method Detail
  - init
```
public void init(DerivationParameters param)
```
    Specified by:
    
    init in interface DerivationFunction
  - getDigest
```
public Digest getDigest()
```
    return the underlying digest.
  - generateBytes
```
public int generateBytes(byte[] out,
                         int outOff,
                         int len)
                  throws DataLengthException,
                         java.lang.IllegalArgumentException
```
    fill len bytes of the output buffer with bytes generated from the derivation function.
    
    Specified by:
    
    generateBytes in interface DerivationFunction
    
    Throws:
    
    DataLengthException - if the out buffer is too small.
    
    java.lang.IllegalArgumentException