// public constructors
public DigestRandomGenerator(Digest digest) {
this.digest = digest;
this.seed = new byte[digest.getDigestSize()];
this.seedCounter = 1;
this.state = new byte[digest.getDigestSize()];
this.stateCounter = 1;
}
private void digestDoFinal(byte[] result) {
digest.doFinal(result, 0);
}
private void digestUpdate(byte[] inSeed) {
digest.update(inSeed, 0, inSeed.length);
}
private void digestAddCounter(long seed) {
for (int i = 0; i != 8; i++) {
digest.update((byte) seed);
seed >>>= 8;
}
}