package crypto; import java.math.BigInteger; public class TestPRG { public static void main(String[] args) { // PRG.generateKey(Crypto.sr); int n = 10; int outBits = 1000; int outBytes = (outBits + 7) / 8; byte[][] input = new byte[n][16]; byte[][] output = new byte[n][]; PRG G = new PRG(outBits); for (int i = 0; i < n; i++) { Crypto.sr.nextBytes(input[i]); output[i] = G.compute(input[i]); System.out.println(new BigInteger(1, output[i]).toString(16)); } for (int i = 0; i < n; i++) { byte[] tmp = G.compute(input[i]); System.out.println( "deterministic:\t" + (new BigInteger(1, tmp).compareTo(new BigInteger(1, output[i])) == 0)); System.out.println("right length:\t" + (output[i].length == outBytes)); } } }