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password hashing

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This commit is contained in:
lianpi3
2024-08-04 15:02:26 +03:30
parent be864f564b
commit 0e30088405
4 changed files with 27 additions and 13 deletions
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22
Controllers/usersController.cs
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@ -7,6 +7,8 @@ using System.Net;
using System.Web;
using System.Web.Mvc;
using WebApplication1.Models;
using System.Security.Cryptography;
using System.Text;
namespace WebApplication1.Controllers
{
@ -88,6 +90,15 @@ namespace WebApplication1.Controllers
//if username is valid create user add to db
else
{
// Hash the password
using (var sha256 = SHA256.Create())
{
var hashedBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(user.password));
user.password = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
}
db.users.Add(user);
db.SaveChanges();
@ -134,6 +145,11 @@ namespace WebApplication1.Controllers
{
//check if user exists
var existingUser = db.users.FirstOrDefault(u => u.usename == user.usename );
using (var sha256 = SHA256.Create())
{
var hashedBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(user.password));
user.password = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
}
if (existingUser != null && existingUser.password == user.password)
{
//session start
@ -182,6 +198,12 @@ namespace WebApplication1.Controllers
{
if (ModelState.IsValid)
{
// Hash the password
using (var sha256 = SHA256.Create())
{
var hashedBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(user.password));
user.password = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
}
db.Entry(user).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");