using SimpleCrypto;

namespace SharedLibraryCore.Helpers
{
    public class Hashing
    {
        /// <summary>
        /// Generate password hash and salt
        /// </summary>
        /// <param name="password">plaintext password</param>
        /// <returns></returns>
        public static string[] Hash(string password, string saltStr = null)
        {

            string hash;
            string salt;
            var CryptoSvc = new PBKDF2();

            // generate new hash 
            if (saltStr == null)
            {
                hash = CryptoSvc.Compute(password);
                salt = CryptoSvc.Salt;
                return new string[]
                {
                    hash,
                    salt
                };
            }

            else
            {
                hash = CryptoSvc.Compute(password, saltStr);
                return new string[]
                {
                    hash,
                    ""
                };
            }
        }
    }
}