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SecureRandom.java
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39 lines (30 loc) · 1.29 KB
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import java.util.stream.IntStream;
import java.util.stream.LongStream;
import java.util.stream.DoubleStream;
import java.security.SecureRandom;
import java.security.NoSuchAlgorithmException;
public class SecureRandomClass {
public static void generateSecureRandomValues() {
SecureRandom secureRandom = new SecureRandom();
int randomInt = secureRandom.nextInt();
long randomLong = secureRandom.nextLong();
float randomFloat = secureRandom.nextFloat();
double randomDouble = secureRandom.nextDouble();
boolean randomBoolean = secureRandom.nextBoolean();
IntStream randomIntStream = secureRandom.ints();
LongStream randomLongStream = secureRandom.longs();
DoubleStream randomDoubleStream = secureRandom.doubles();
byte[] values = new byte[124];
secureRandom.nextBytes(values);
}
public static SecureRandom getSecureRandomForAlgorithm(String algorithm) throws NoSuchAlgorithmException {
if (algorithm == null || algorithm.isEmpty()) {
return new SecureRandom();
}
return SecureRandom.getInstance(algorithm);
}
public static void main (String[] args) throws NoSuchAlgorithmException {
generateSecureRandomValues();
getSecureRandomForAlgorithm()
}
}