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i have a table users in which the columns are sessionid, userid, username, password, roleid and usertype.

The values are as follows:
1) sessionid is c# page Session.SessionID with varchar(32) as datatype
2) userid is integer datatype starting with 1 and so on and it is not auto_increment
3) username is value entered from the textbox with varchar(30) as datatype
4) password is value entered from the textbox and also encrypting it using RSA Algorithm with varchar(max) as datatype
5) roleid is not required right now but later when the roles have been created the admin will update it later accordingly.... with int as datatype
6) usertype is used to define the user which type for example: Admin,Project manager, Team lead etc., with varchar(20) as datatype.

Now my problem is when user is registering from the to SQL server the data is inserted as normal but password is 2048 hash registering only 20 characters and usertype is of varchar(20) inserting only 3 characters like Adm, Pro for (Project Manager).

I am having another problem after registering the account redirecting it to login page to login the particular user but the problem exists here that

why i am getting an extra in url and what it says i doesn't know what is the error please tell me the solution for this issue

What I have tried:

string uname = Request.Form["username"].ToString();
string password = Request.Form["password"].ToString();
string utype = Request.Form["usertype"].ToString();
Int32? roleid = null;

SqlConnection con = new SqlConnection(strCon);
SqlCommand cmd = new SqlCommand("SELECT UserID FROM Users", con);
SqlDataReader dr = cmd.ExecuteReader();
if (!dr.HasRows)
   UserID = 1;
ObjUser.SessionID = Session.SessionID;
ObjUser.UserID = UserID == 1 ? 1 : UserID++;
ObjUser.UserName = uname;
ObjUser.Password = RSAEncrypt(password);
ObjUser.UserType = utype;
ObjUser.ObjRole.RoleID = roleid;

cmd.Parameters.AddWithValue("@chvSessionID", ObjUser.SessionID);
cmd.Parameters.AddWithValue("@intUserID", ObjUser.UserID);
cmd.Parameters.AddWithValue("@chvUserName", ObjUser.UserName);
cmd.Parameters.AddWithValue("@chvPassword", ObjUser.Password);
cmd.Parameters.AddWithValue("@intRoleID", ObjUser.ObjRole.RoleID == null ? (object)DBNull.Value : ObjUser.ObjRole.RoleID).SqlDbType = SqlDbType.Int;
cmd.Parameters.AddWithValue("@chUserType", ObjUser.UserType);
Updated 10-Jan-19 21:27pm

1 solution

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Solution 1

Don't encrypt passwords - it is a major security risk. There is some information on how to do it here: Password Storage: How to do it.[^]
Member 8583441 11-Jan-19 5:43am
now i am doing any encryption but creating hashbytes for password in SQL server as explained by
as is done perfectly but when comes into C# ASP.Net not getting the output returning error. Please help me in this point
Member 8583441 11-Jan-19 5:54am
problem is solved... the error occurred at stored procedure parameter initialization in data access layer in c# When i changed that parameter the error occurred. Thanks a lot sir for giving me the way to store the password.
OriginalGriff 11-Jan-19 6:08am
You're welcome!

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