/// <summary>
/// Used to Generate a second hash {SHA512} based on the SHA1 password hash and the private salt.
/// </summary>
/// <param name="passwordSha1HashBase64">{string} SHA1 password Hash base 64.</param>
/// <param name="passwordPrivateSalt">{string} Password Salt either from the database or a newly generated salt.</param>
/// <returns>{string} base 64 Passwrod SHA512 hash.</returns>
public static string GenerateSha512HashBase64(string passwordSha1HashBase64, string passwordPrivateSalt)
{
HashAlgorithm secondHasher = new SHA512CryptoServiceProvider();
byte[] secondHash = secondHasher.ComputeHash(PasswrodHelper.CombineSalt(Convert.FromBase64String(passwordSha1HashBase64), Convert.FromBase64String(passwordPrivateSalt)));
return(Convert.ToBase64String(secondHash));
}
/// <summary>
/// Used to Generate an SHA1 password hash based on the plain text password and the public salt.
/// </summary>
/// <param name="plainTextPassword">{string} Plain text password.</param>
/// <param name="passwordPublicSalt">{string} Password Salt either from the database or a newly generated salt.</param>
/// <returns>{string} base 64 Passwrod SHA1 hash.</returns>
public static string GenerateSha1HashBase64(string plainTextPassword, string passwordPublicSalt)
{
HashAlgorithm firstHasher = new SHA1CryptoServiceProvider();
byte[] firstHash = firstHasher.ComputeHash(PasswrodHelper.CombineSalt(System.Text.Encoding.UTF8.GetBytes(plainTextPassword), Convert.FromBase64String(passwordPublicSalt)));
return(Convert.ToBase64String(firstHash));
}
