Classic ASP

Calculate MD5 Hash of File (or SHA1, SHA256, and other hash algorithms)

Demonstrates how to calculate a hash for a file's contents.

Chilkat Classic ASP Downloads

Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set crypt = Server.CreateObject("Chilkat.Crypt2")

' Set the name of the hash algorithm.
' Other choices include "sha1", "sha256", "sha384", "sha512", "md2", "md5", and "haval". 
crypt.HashAlgorithm = "md5"

' EncodingMode specifies the encoding of the hash output.
' It may be "hex", "url", "base64", or "quoted-printable".
crypt.EncodingMode = "hex"

' Files of any type may be hashed -- it doesn't matter
' if the file is binary or text...

hashStr = crypt.HashFileENC("/temp/something.dat")
If (crypt.LastMethodSuccess <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( hashStr) & "</pre>"

%>
</body>
</html>