org.bouncycastle.crypto.prng
Class ReversedWindowGenerator
java.lang.Objectorg.bouncycastle.crypto.prng.ReversedWindowGenerator
- RandomGenerator
public class ReversedWindowGenerator
extends java.lang.Object
Takes bytes generated by an underling RandomGenerator and reverses the order in
each small window (of configurable size).
Access to internals is synchronized so a single one of these can be shared.
void | addSeedMaterial(byte[] seed)- Add more seed material to the generator.
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void | addSeedMaterial(long seed)- Add more seed material to the generator.
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void | nextBytes(byte[] bytes)- Fill bytes with random values.
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void | nextBytes(byte[] bytes, int start, int len)- Fill part of bytes with random values.
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ReversedWindowGenerator
public ReversedWindowGenerator(RandomGenerator generator,
int windowSize)
addSeedMaterial
public void addSeedMaterial(byte[] seed)
Add more seed material to the generator.
- addSeedMaterial in interface RandomGenerator
seed - a byte array to be mixed into the generator's state.
addSeedMaterial
public void addSeedMaterial(long seed)
Add more seed material to the generator.
- addSeedMaterial in interface RandomGenerator
seed - a long value to be mixed into the generator's state.
nextBytes
public void nextBytes(byte[] bytes)
Fill bytes with random values.
- nextBytes in interface RandomGenerator
bytes - byte array to be filled.
nextBytes
public void nextBytes(byte[] bytes,
int start,
int len) Fill part of bytes with random values.
- nextBytes in interface RandomGenerator
bytes - byte array to be filled.start - index to start filling at.len - length of segment to fill.