Difference between md5 ordinary encryption and md5 password encryption

never8023

What is the difference between ordinary encryption and password encryption used in the following, and where are they suitable for use?


<% @ Page Language = "C #" ContentType = "text / html"%>
<% @ Import Namespace = "System"%>
<script language = "C #" runat = "server">
void Page_Load (Object sender, EventArgs e) {
// Get the field to be encrypted and convert it into a Byte [] array
byte [] data = System.Text.Encoding.Unicode
.GetBytes (source.Text.ToCharArray ());
// Establish encryption service
System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider ();
// Encrypt Byte [] array
byte [] result = md5.ComputeHash (data);
// Convert the encrypted array into a field
string sResult = System.Text.Encoding.Unicode.GetString (result);
//show
sha1_1.Text = "MD5 ordinary encryption:" + sResult.ToString () + "<br/>";
// Encrypt as password
string EnPswdStr = System.Web.Security.FormsAuthentication.
HashPasswordForStoringInConfigFile (source.Text.ToString (), "MD5");
//show
sha1_2.Text = "MD5 password encryption:" + EnPswdStr + "<br/>";
}
</ script>
<html>
<head>
<meta http-equiv = "Content-Type" content = "text / html; charset = gb2312">
<title> Test </ title>
</ head>
<body>
<h3> SHA1 encryption </ h3>
<form runat = "server">
<asp: label id = "sha1_1" runat = "server"> </ asp: label>
<asp: label id = "sha1_2" runat = "server"> </ asp: label>
<asp: textbox ID = "source" runat = "server" TextMode = "SingleLine" Text = "test" AutoPostBack = "true" />
(Enter)
</ form>
</ body>
</ html>

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saintfrosty

The reason you ask this question, like many people, is never to find out how to "decrypt" yourself.

never8023

I'm not looking for a way to "decrypt" but I want to know which kind of encryption is more secure

呆呆的牛

@never8023
You don't need to know too much, just know that MD5 is irreversible.

sunray

Both sha1 and md5 are okay. 128-bit encryption is highly secure and irreversible. Although some people now have cramps and say that 5 years can calculate a crash. Khan--b

naydog

md5 encryption is irreversible

vidato

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