In using the following syntax for a web page to demonstrate MD5 using VB, I noticed that the output is not the same as the md5 output you get from the command line in linux. Any tips on how I can get them to match up?

Example

md5 -dpassword yields: 5F4DCC3B5AA765D61D8327DEB882CF99
when I enter "password" on the following form I get: sIHb6F4ew//D1OfQInQAzQ

Perhaps it has something to do with the base 64 conversion below?

<%@ Import Namespace="System"%>
<%@ Import Namespace="System.Text"%>
<%@ Import Namespace="System.Security.Cryptography" %>
<script runat="server" language="VB">
Sub Page_Load(sender as Object, e as EventArgs)
If IsPostBack Then
Dim HashValue as Byte()
Dim UE As New UnicodeEncoding()

Dim MessageBytes As Byte() = UE.GetBytes(txtStuff.Text)

Dim Md5 As New MD5CryptoServiceProvider()
HashValue = MD5.ComputeHash(MessageBytes)
Dim theValue = Convert.ToBase64String(HashValue)
Response.Write(theValue.Replace("==",""))

End If


End Sub
</script>

<form runat="server">
<h1>Enter text to be hashed:</h1>
<br>
<asp:TextBox runat="server" id="txtStuff" />
<p><asp:Button runat="server" Text="Encrypt Text" /></p>
</form>

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I believe your problem is that your using Unicode (2 byte). Try
UTF8Encoding instead.
A quick test is try MD5 (""). The resuld should be
"d41d8cd98f00b204e9800998ecf8427e" on your VB code and Linux.



"Dirty Sanchez" wrote: