Reset password

 

Scenario:

Encryption using Asymmetric keys

Solution:

 
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private static string[] GetOldPasswords(string userName, int count)
        {
            //Get from history table
        }

        public class PasswordManagement
        {
            public void Enqueue(string email)
            {
                var newUserPassexpiry = DateTime.UtcNow.AddHours(72);
                var oldUserPassexpiry = DateTime.UtcNow.AddHours(48);

                var token = $"{email}:-:{newUserPassexpiry:oldUserPassexpiry}:-:{PassResetCnt}";

                var url = $"{url}?{token}";

                //enqueue email
            }
        }

         

 
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        static void Main(string[] args)
        {
            //passwordHistory = 10 (count)
            string userName = "", password = "";
            var count = 10;

            var passwordHistory = GetOldPasswords(userName, count);

            //if existing password re used
            if (passwordHistory.where(p => p.password== password))
            {
                //error
            }

            var hash = CreateHash(password);
        }