oracle.security.crypto.core

Class SHA1RandomBitsSource

java.lang.Object

oracle.security.crypto.core.RandomBitsSource

oracle.security.crypto.core.DigestRandomBitsSource

oracle.security.crypto.core.SHA1RandomBitsSource

public class SHA1RandomBitsSource
extends DigestRandomBitsSource

A PRNG based on the design pattern in Schneier's Applied Cryptography, using SHA-1 as a mixing and output primitive.

See Also:

EntropySource, DigestRandomBitsSource

Constructor Summary

Constructors

Constructor and Description
SHA1RandomBitsSource() Create a new, seeded SHA1RandomBitsSource.
SHA1RandomBitsSource(boolean seed) Create a new, optionally seeded SHA1RandomBitsSource.

Method Summary

Methods inherited from class oracle.security.crypto.core.DigestRandomBitsSource

clear, initialize, randomByte, randomBytes, seed, seed, seed, seed

Methods inherited from class oracle.security.crypto.core.RandomBitsSource

getDefault, getRNGTest, randomBigInt, randomBigInteger, setDefault

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SHA1RandomBitsSource

public SHA1RandomBitsSource()

Create a new, seeded SHA1RandomBitsSource.

SHA1RandomBitsSource

public SHA1RandomBitsSource(boolean seed)

Create a new, optionally seeded SHA1RandomBitsSource.

Parameters:

seed - If true, DigestRandomBitsSource.seed() will be invoked.