Package org.bouncycastle.crypto.prng

Interface EntropySource

public interface EntropySource
Base interface describing an entropy source for a DRBG.

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    entropySize()
    Return the number of bits of entropy this source can produce.
    byte[]
    getEntropy()
    Return a byte array of entropy.
    boolean
    isPredictionResistant()
    Return whether or not this entropy source is regarded as prediction resistant.

  • Method Details

    • isPredictionResistant

      boolean isPredictionResistant()
      Return whether or not this entropy source is regarded as prediction resistant.
      Returns:
      true if it is, false otherwise.

    • getEntropy

      byte[] getEntropy()
      Return a byte array of entropy.
      Returns:
      entropy bytes.

    • entropySize

      int entropySize()
      Return the number of bits of entropy this source can produce.
      Returns:
      size in bits of the return value of getEntropy.