org.bouncycastle.crypto.prng

public Interface EntropySource

Known Direct Subinterfaces: org.bouncycastle.jcajce.provider.drbg.IncrementalEntropySource
Known Direct Implementers: org.bouncycastle.jcajce.provider.drbg.DRBG.HybridEntropySource, org.bouncycastle.jcajce.provider.drbg.DRBG.OneShotHybridEntropySource

Base interface describing an entropy source for a DRBG.

Method Summary

Modifier and Type	Method and Description
public int	Returns: size in bits of the return value of getEntropy. entropySize() Return the number of bits of entropy this source can produce.
public byte[]	Returns: entropy bytes. getEntropy() Return a byte array of entropy.
public boolean	Returns: true if it is, false otherwise. isPredictionResistant() Return whether or not this entropy source is regarded as prediction resistant.

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

entropySize

public int entropySize()

Return the number of bits of entropy this source can produce.

getEntropy	back to summary
public byte[] getEntropy() Return a byte array of entropy. Returns:byte[] entropy bytes.

getEntropy

public byte[] getEntropy()

Return a byte array of entropy.

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

isPredictionResistant

public boolean isPredictionResistant()

Return whether or not this entropy source is regarded as prediction resistant.