Package org.bouncycastle.crypto.prng

Interface RandomGenerator

All Known Implementing Classes:
DigestRandomGenerator, ReversedWindowGenerator, VMPCRandomGenerator
public interface RandomGenerator
Generic interface for objects generating random bytes.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    addSeedMaterial(byte[] seed)
    Add more seed material to the generator.
    void
    addSeedMaterial(long seed)
    Add more seed material to the generator.
    void
    nextBytes(byte[] bytes)
    Fill bytes with random values.
    void
    nextBytes(byte[] bytes, int start, int len)
    Fill part of bytes with random values.

  • Method Details

    • addSeedMaterial

      void addSeedMaterial(byte[] seed)
      Add more seed material to the generator.
      Parameters:
      seed - a byte array to be mixed into the generator's state.

    • addSeedMaterial

      void addSeedMaterial(long seed)
      Add more seed material to the generator.
      Parameters:
      seed - a long value to be mixed into the generator's state.

    • nextBytes

      void nextBytes(byte[] bytes)
      Fill bytes with random values.
      Parameters:
      bytes - byte array to be filled.

    • nextBytes

      void nextBytes(byte[] bytes, int start, int len)
      Fill part of bytes with random values.
      Parameters:
      bytes - byte array to be filled.
      start - index to start filling at.
      len - length of segment to fill.