public static bool Verify(string password, byte[] salt, int iteration, byte[] key)
{
BytesEx passwordBytes = BytesEx.FromString(password);
BytesEx saltBytes = BytesEx.FromBytes(salt);
BytesEx keyBytes = BytesEx.FromBytes(key);
Pbkdf2Result pbkdf2 = new Pbkdf2Result(passwordBytes, saltBytes, iteration, keyBytes);
return(Verify(pbkdf2));
}
public static bool Verify(Pbkdf2Result pbkdf2)
{
byte[] passwordBytes = pbkdf2.Password.Values;
byte[] saltBytes = pbkdf2.Salt.Values;
int iteration = pbkdf2.Iteration;
int keyLength = pbkdf2.Key.Values.Length;
Rfc2898DeriveBytes hasher = new Rfc2898DeriveBytes(passwordBytes, saltBytes, iteration);
byte[] keyBytes = hasher.GetBytes(keyLength);
return(pbkdf2.Key.Equals(keyBytes));
}
public static Pbkdf2Result Hash(string password, int?saltLength, int?iteration, int?keyLength)
{
Pbkdf2Parameter parameter = new Pbkdf2Parameter();
parameter.Password = BytesEx.FromString(password);
parameter.SaltLength = saltLength;
parameter.Iteration = iteration;
parameter.KeyLength = keyLength;
Pbkdf2Result pbkdf2 = Hash(parameter);
return(pbkdf2);
}
public static Pbkdf2Result Hash(Pbkdf2Parameter parameter)
{
if (parameter == null || parameter.Password == null)
{
throw new ArgumentNullException();
}
if (parameter.Salt == null && parameter.SaltLength == null)
{
parameter.SaltLength = 16;
}
byte[] passwordBytes = parameter.Password.Values;
byte[] saltBytes = parameter.SaltLength.HasValue ?
RandomExpress.RandomizeBytes(parameter.SaltLength.Value)
: parameter.Salt.Values;
int iteration = parameter.Iteration ?? 17;
int keyLength = parameter.KeyLength ?? 16;
Rfc2898DeriveBytes hasher = new Rfc2898DeriveBytes(passwordBytes, saltBytes, iteration);
byte[] keyBytes = hasher.GetBytes(keyLength);
Pbkdf2Result pbkdf2 = new Pbkdf2Result(passwordBytes, saltBytes, iteration, keyBytes);
return(pbkdf2);
}
