public IEnumerable <SecurityKey> ResolveSecurityKey(
            string token,
            SecurityToken securityToken,
            string kid,
            TokenValidationParameters validationParameters)
        {
            var requestContext = _contextDataProvider.GetRequestContext(_httpContextAccessor.HttpContext).Result;

            if (requestContext == null || !requestContext.IsTenantContext)
            {
                throw new UnauthorizedAccessException(ErrorCode.MissingTenantContext.ToString());
            }
            if (requestContext.Tenant.TenantCode != kid)
            {
                throw new UnauthorizedAccessException(ErrorCode.KidMissmatch.ToString());
            }

            var tenantSettings = _tenantProvider.GetTenantSettings(requestContext.Tenant.TenantCode);

            if (string.IsNullOrEmpty(tenantSettings?.TokenSecret))
            {
                throw new UnauthorizedAccessException(ErrorCode.MissingTenantTokenSecret.ToString());
            }

            return(new[]
            {
                new SymmetricSecurityKey(Encoding.UTF8.GetBytes(tenantSettings.TokenSecret))
            });
        }