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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

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.

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