public string GetSHA256String(string stringTobeHashed, string salt = null) { stringTobeHashed = !string.IsNullOrEmpty(salt) ? string.Format("{0}{1}", stringTobeHashed, salt) : stringTobeHashed; // ----------------- Encoding -------------------- byte[] sha256Bytes = Encoding.Default.GetBytes(stringTobeHashed); // ----------------------------------------------- // ----------------- Create SHA256 --------------- SHA256 sha256 = SHA256Managed.Create(); byte[] hashValue = sha256.ComputeHash(sha256Bytes); // ----------------------------------------------- // ----------------- Hash Value String ----------- var sha256Str = BitConverter.ToString(hashValue).Replace("-", ""); // OR -> Convert.ToBase64String(sha256Str); // OR: //string sha256Str = string.Empty; //for (int i = 0; i < hashValue.Length; i++) //{ // sha256Str += hashValue[i].ToString("X"); // X -> mean format output to Hexadecimal //} // ----------------------------------------------- return sha256Str; }
Wednesday, August 16, 2017
.Net SHA256 Hash Algorithm
The following function enables you to return SHA256 Hashed string with/without salt key :
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