Package com.microej.crypto.test

Class SecureRandomTest

java.lang.Object

com.microej.crypto.test.SecureRandomTest

public class SecureRandomTest
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
SecureRandomTest()

Method Summary

Modifier and Type	Method	Description
void	getBytes(java.security.SecureRandom sr, int bytesNumber)
void	test(java.security.SecureRandom sr)
void	testGenerateSeed()	Test that generateSeed returns a byte array of the right length
void	testGet256Bytes()	Test getting 256 bytes
void	testGet8192Bytes()	Test getting 8192 bytes
void	testManyGenerations()	Test that the PRNG can handle a large number of generations (e.g.
void	testMultipleSecureRandom()	Test creating multiple SecureRandoms
void	testNext()	Test that next returns ints with the right number of leading zeros
void	testNextBytes()	Test that nextBytes does not always return zeros
void	testSecureRandomsWithDifferentSeeds()	Test that two SecureRandoms created using the different seeds return different lists of values
void	testSecureRandomsWithDifferentSeeds2()	Test that two SecureRandoms created using the different seeds return different lists of values
void	testSeedSupplement()	Test that setSeed() "supplements, rather than replaces, the existing seed"
void	testSetSeed()	Test setting the seed

Methods inherited from class java.lang.Object

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

Constructor Detail

SecureRandomTest

public SecureRandomTest()

Method Detail

testGet256Bytes

public void testGet256Bytes()
                     throws java.lang.Exception

Test getting 256 bytes

Throws:

java.lang.Exception

testGet8192Bytes

public void testGet8192Bytes()
                      throws java.lang.Exception

Test getting 8192 bytes

Throws:

java.lang.Exception

testSetSeed

public void testSetSeed()
                 throws java.lang.Exception

Test setting the seed

Throws:

java.lang.Exception

testMultipleSecureRandom

public void testMultipleSecureRandom()
                              throws java.lang.Exception

Test creating multiple SecureRandoms

Throws:

java.lang.Exception

testSecureRandomsWithDifferentSeeds

public void testSecureRandomsWithDifferentSeeds()
                                         throws java.lang.Exception

Test that two SecureRandoms created using the different seeds return different lists of values

Throws:

java.lang.Exception

testSecureRandomsWithDifferentSeeds2

public void testSecureRandomsWithDifferentSeeds2()
                                          throws java.lang.Exception

Test that two SecureRandoms created using the different seeds return different lists of values

Throws:

java.lang.Exception

testNext

public void testNext()
              throws java.lang.Exception

Test that next returns ints with the right number of leading zeros

Throws:

java.lang.Exception

testGenerateSeed

public void testGenerateSeed()
                      throws java.lang.Exception

Test that generateSeed returns a byte array of the right length

Throws:

java.lang.Exception

testNextBytes

public void testNextBytes()
                   throws java.lang.Exception

Test that nextBytes does not always return zeros

Throws:

java.lang.Exception

testSeedSupplement

public void testSeedSupplement()
                        throws java.lang.Exception

Test that setSeed() "supplements, rather than replaces, the existing seed"

Throws:

java.lang.Exception

testManyGenerations

public void testManyGenerations()
                         throws java.lang.Exception

Test that the PRNG can handle a large number of generations (e.g. reseeds automatically)

Throws:

java.lang.Exception

test

public void test(java.security.SecureRandom sr)
          throws java.lang.Exception

Parameters:

sr -

Throws:

java.lang.Exception

getBytes

public void getBytes(java.security.SecureRandom sr,
                     int bytesNumber)
              throws java.lang.Exception

Parameters:

sr -

bytesNumber -

Throws:

java.lang.Exception