public IHttpActionResult PostUserInfo(UserInfo userInfo)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }
            userInfo.Password = userInfo.Password.ToCryptoStringAES(CITConstants.CRYPTO_AES_KEY.GetStringFromByteArray(), CITConstants.CRYPTI_AES_IV.GetStringFromByteArray());
            db.Users.Add(userInfo);

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateException)
            {
                if (UserInfoExists(userInfo.UserId))
                {
                    return Conflict();
                }
                else
                {
                    throw;
                }
            }

            return CreatedAtRoute("DefaultApi", new { id = userInfo.UserId }, userInfo);
        }
        public IHttpActionResult PutUserInfo(string id, UserInfo userInfo)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != userInfo.UserId)
            {
                return BadRequest();
            }

            db.Entry(userInfo).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!UserInfoExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return StatusCode(HttpStatusCode.NoContent);
        }