如何使用 Asp.Net 从 MySql 数据库检索盐?
我想使用检索到的盐添加到用户输入的密码中以生成 SHA256 哈希,然后对用户进行身份验证。
这是我试图获取盐的方法:
String userNameEntered = UserN_TextBox.Text;
String passwordEntered = Password_TextBox.Text;
String connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["ConnectionString"].ToString();
connection = new MySqlConnection(connectionString);
connection.Open();
MessageBox.Show("Successfully connected to database");
String queryString = "select salt from xyz.abc_table where salt = @Salt";
command = new MySqlCommand(queryString, connection);
command.Parameters.AddWithValue("@Salt", queryString);
reader = command.ExecuteReader();
Response.Write("Salt retrived is" + reader);
reader.Close();
connection.Close();
当我执行此代码时,它返回 MySql Data Reader 库而不是数据库中的盐......
提前致谢...:)
最佳答案
到这里我的问题就解决了。这是问题的解决方案。它可能对某人有帮助:
try
{
String connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["ConnectionString"].ToString();
connection = new MySqlConnection(connectionString);
connection.Open();
MessageBox.Show("Successfully connected to database");
String queryString = "select salt from xyz.abc_table where email_address = @E_Address";
command = new MySqlCommand(queryString, connection);
command.Parameters.AddWithValue("@E_Address", UserN_TextBox.Text);
reader = command.ExecuteReader();
if (reader.Read())
{
Response.Write("Retrived Salt is " + reader["salt"]);
reader.Close();
connection.Close();
}
}
catch (Exception ex)
{
MessageBox.Show("Failed due to" +ex);
}
关于mysql - 如何使用Asp.net从MySql数据库获取salt?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43575031/