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nikodemrafalski/Password hashing

Created July 15, 2013 20:48
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Password hashing
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Password hashing
public static byte[] CreateRandomSalt(int size = 16)
{
var cryptoProvider = new RNGCryptoServiceProvider();
var salt = new byte[size];
cryptoProvider.GetBytes(salt);
return salt;
}
public static string HashPassword(string plainText, byte[] salt)
{
var hashAlgo = new SHA512Managed();
byte[] plainPassword = Encoding.UTF8.GetBytes(plainText);
var saltedPassword = new byte[plainPassword.Length + salt.Length];
Buffer.BlockCopy(plainPassword, 0, saltedPassword, 0, plainPassword.Length);
Buffer.BlockCopy(salt, 0, saltedPassword, plainPassword.Length, salt.Length);
byte[] passwordHash = hashAlgo.ComputeHash(saltedPassword);
return Convert.ToBase64String(passwordHash);
}
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