Blowfish crypt, sometimes called BCrypt. A very good choice.
            
Namespace: CryptSharpAssembly: CryptSharp (in CryptSharp.dll) Version: 2.0.0.0
Syntax
public static BlowfishCrypter Blowfish { get; private set; }
See Also
| Crypter Blowfish Property | CryptSharp | 
public static BlowfishCrypter Blowfish { get; private set; }