private static List <IEntropyHasher> GetAllEntropyHashers()
{
var hashers = new List <IEntropyHasher>();
// Add the .NET implementation of SHA256 and RNGCryptoServiceProvider
{
var rng = new SystemRng();
var hashWrapper = new HashAlgorithmWrapper(SHA256.Create());
hashers.Add(new EntropyHasher(rng, hashWrapper));
}
// Add the ThreadedSeedGeneratorRNG as entropy source, and chain SHA256 and RipeMD256 as hash algorithms
{
var rng = new ThreadedSeedGeneratorRng();
var hashWrappers = new List <IHashAlgorithmWrapper>
{
new HashAlgorithmWrapper(SHA256.Create()),
new HashAlgorithmWrapper(new RipeMD256Digest())
};
hashers.Add(new EntropyHasher(rng, hashWrappers));
}
// Add the ThreadSchedulerRNG as entropy source, and SHA256 as hash algorithm
{
var rng = new ThreadSchedulerRng();
var hashWrapper = new HashAlgorithmWrapper(new Sha256Digest());
hashers.Add(new EntropyHasher(rng, hashWrapper));
}
return(hashers);
}
public EntropyHasher(RandomNumberGenerator rng, HashAlgorithmWrapper hashWrapper)
{
if (rng == null)
{
throw new ArgumentNullException(nameof(rng));
}
if (hashWrapper == null)
{
throw new ArgumentNullException(nameof(hashWrapper));
}
this.Rng = rng;
this.HashWrappers = new List <IHashAlgorithmWrapper> {
hashWrapper
};
}