aspnet core cooke manager, cookie helper

CookieManager.ts

public class CookieManager
    {
        private readonly IHttpContextAccessor httpContextAccessor;
        private readonly IDataProtector protecotr;
        public CookieManager(IHttpContextAccessor httpContextAccessor, IDataProtectionProvider provider)
        {
            this.httpContextAccessor = httpContextAccessor;
            this.protecotr = provider.CreateProtector(GetType().FullName);
        }

        /// <summary>  
        /// set the cookie  
        /// </summary>  
        /// <param name="key">key (unique indentifier)</param>  
        /// <param name="value">value to store in cookie object</param>  
        /// <param name="options">additional cookie options</param>  
        public void Set(string key, string value, CookieOptions options = null)
        {
            if (options == null)
            {
                options = new CookieOptions();
                options.Expires = DateTime.Now.AddMinutes(25);
            }

            this.httpContextAccessor.HttpContext.Response.Cookies.Append(key, this.Encrypt(value), options);
        }

        /// <summary>  
        /// Get the cookie  
        /// </summary>  
        /// <param name="key">Key </param>  
        /// <returns>string value</returns>  
        public string Get(string key)
        {
            return this.Decrypt(this.httpContextAccessor.HttpContext.Request.Cookies[key]);
        }
        
        /// <summary>  
        /// Delete the key  
        /// </summary>  
        /// <param name="key">Key</param>  
        public void Remove(string key)
        {
            this.httpContextAccessor.HttpContext.Response.Cookies.Delete(key);
        }

        /// <summary>
        /// Encrypting the cookie value (value should be a valid Base-64 string)
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        private string Encrypt(string value)
        {
            return protecotr.Protect(value);
        }

        /// <summary>
        /// Decrypting the cookie value (value should be a valid Base-64 string)
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        private string Decrypt(string value)
        {
            return protecotr.Unprotect(value);
        }
    }