/// <exception cref="System.IO.IOException"/>
private static OsSecureRandom GetOsSecureRandom()
{
Assume.AssumeTrue(SystemUtils.IsOsLinux);
OsSecureRandom random = new OsSecureRandom();
random.SetConf(new Configuration());
return(random);
}
/// <exception cref="System.Exception"/>
public virtual void TestRefillReservoir()
{
OsSecureRandom random = GetOsSecureRandom();
for (int i = 0; i < 8196; i++)
{
random.NextLong();
}
random.Close();
}
/// <summary>
/// Test will timeout if secure random implementation always returns a
/// constant value.
/// </summary>
private void CheckRandomBytes(OsSecureRandom random, int len)
{
byte[] bytes = new byte[len];
byte[] bytes1 = new byte[len];
random.NextBytes(bytes);
random.NextBytes(bytes1);
while (Arrays.Equals(bytes, bytes1))
{
random.NextBytes(bytes1);
}
}
/// <summary>
/// Test will timeout if secure random implementation always returns a
/// constant value.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestRandomFloat()
{
OsSecureRandom random = GetOsSecureRandom();
float rand1 = random.NextFloat();
float rand2 = random.NextFloat();
while (rand1 == rand2)
{
rand2 = random.NextFloat();
}
random.Close();
}
/// <summary>
/// Test will timeout if secure random implementation always returns a
/// constant value.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestRandomLong()
{
OsSecureRandom random = GetOsSecureRandom();
long rand1 = random.NextLong();
long rand2 = random.NextLong();
while (rand1 == rand2)
{
rand2 = random.NextLong();
}
random.Close();
}
/// <summary>
/// Test will timeout if secure random implementation always returns a
/// constant value.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestRandomDouble()
{
OsSecureRandom random = GetOsSecureRandom();
double rand1 = random.NextDouble();
double rand2 = random.NextDouble();
while (rand1 == rand2)
{
rand2 = random.NextDouble();
}
random.Close();
}
/// <exception cref="System.Exception"/>
public virtual void TestRandomBytes()
{
OsSecureRandom random = GetOsSecureRandom();
// len = 16
CheckRandomBytes(random, 16);
// len = 32
CheckRandomBytes(random, 32);
// len = 128
CheckRandomBytes(random, 128);
// len = 256
CheckRandomBytes(random, 256);
random.Close();
}