public TinHatRandom()
{
this.EntropyHashers = new List<SupportingClasses.EntropyHasher>();
// Add the .NET implementation of SHA256 and RNGCryptoServiceProvider
{
var RNG = new EntropySources.SystemRNGCryptoServiceProvider();
var HashWrapper = new SupportingClasses.HashAlgorithmWrapper(SHA256.Create());
this.EntropyHashers.Add(new SupportingClasses.EntropyHasher(RNG, HashWrapper));
}
// Add the ThreadedSeedGeneratorRNG as entropy source, and chain SHA256 and RipeMD256 as hash algorithms
{
var RNG = new EntropySources.ThreadedSeedGeneratorRNG();
var HashWrappers = new List<SupportingClasses.HashAlgorithmWrapper>();
HashWrappers.Add(new SupportingClasses.HashAlgorithmWrapper(SHA256.Create()));
HashWrappers.Add(new SupportingClasses.HashAlgorithmWrapper(new RipeMD256Digest()));
this.EntropyHashers.Add(new SupportingClasses.EntropyHasher(RNG, HashWrappers));
}
// Add the ThreadSchedulerRNG as entropy source, and SHA256 as hash algorithm
{
var RNG = new EntropySources.ThreadSchedulerRNG();
var HashWrapper = new SupportingClasses.HashAlgorithmWrapper(new Sha256Digest());
this.EntropyHashers.Add(new SupportingClasses.EntropyHasher(RNG, HashWrapper));
}
// If available, add EntropyFileRNG as entropy source
{
EntropySources.EntropyFileRNG RNG = null;
try
{
RNG = new EntropySources.EntropyFileRNG();
}
catch
{ } // EntropyFileRNG thows exceptions if it hasn't been seeded yet, if it encouters corruption, etc.
if (RNG != null)
{
var HashWrapper = new SupportingClasses.HashAlgorithmWrapper(SHA256.Create());
this.EntropyHashers.Add(new SupportingClasses.EntropyHasher(RNG, HashWrapper));
}
}
CtorSanityCheck();
}
public EntropyHasher(RandomNumberGenerator RNG, HashAlgorithmWrapper HashWrapper)
{
this.RNG = RNG;
this.HashWrappers = new List<HashAlgorithmWrapper>();
this.HashWrappers.Add(HashWrapper);
}