Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicPythonRubySQL ServerSwiftTclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcel

Classic ASP Examples


ASN.1
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Bounced Email
Box
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
Facebook
Firebase
GeoOp
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Gzip
HTML-to-XML/Text
HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)

Jira
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
PayPal
Peoplevox
QuickBooks
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Shopify
Socket/SSL/TLS
Spider
Stream
Stripe
SugarCRM
Tar Archive
Twitter
VoiceBase
Walmart
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Xero
Zip
curl
eBay

 

 

 

(Classic ASP) Verify HMAC XML Digital Signature

Demonstrates how to validate an XML digital signature signed with an HMAC key.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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

'  The XML containing the Signature to be verified contains the following:

'  <?xml version="1.0" encoding="UTF-8" standalone="no"?>
'  <collection Id="root">
'  	<album>
'  		<title>Questions, unanswered</title>
'  		<artist>Steve and the flubberblubs</artist>
'  		<year>1989</year>
'  		<t:tracks xmlns:t="http://test.xades4j/tracks">
'  			<t:song length="4:05" tracknumber="1">
'  				<t:title>What do you know?</t:title>
'  				<t:artist>Steve and the flubberblubs</t:artist>
'  				<t:lastplayed>2006-10-17-08:31</t:lastplayed>
'  			</t:song>
'  			<t:song length="3:45" tracknumber="2">
'  				<t:title>Who do you know?</t:title>
'  				<t:artist>Steve and the flubberblubs</t:artist>
'  				<t:lastplayed>2006-10-17-08:35</t:lastplayed>
'  			</t:song>
'  			<t:song length="5:14" tracknumber="3">
'  				<t:title>When do you know?</t:title>
'  				<t:artist>Steve and the flubberblubs</t:artist>
'  				<t:lastplayed>2006-10-17-08:39</t:lastplayed>
'  			</t:song>
'  			<t:song length="4:19" tracknumber="4">
'  				<t:title>Do you know?</t:title>
'  				<t:artist>Steve and the flubberblubs</t:artist>
'  				<t:lastplayed>2006-10-17-08:44</t:lastplayed>
'  			</t:song>
'  		</t:tracks>
'  	</album>
'  <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><ds:SignedInfo><ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/><ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#hmac-sha256"/><ds:Reference URI="#root"><ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><ds:DigestValue>rD/g8soqKz8EiPUBhEWfcQacS0ta4ULHX3dKMEH6ZoQ=</ds:DigestValue></ds:Reference></ds:SignedInfo><ds:SignatureValue>R8dXP95VRYJBfL6d0Peogybdk27+R+JIfX8jnVu0NOI=</ds:SignatureValue></ds:Signature></collection>

'  The above XML is available at https://www.chilkatsoft.com/exampleData/hmacSigned.xml
'  First fetch the XML..

url = "https://www.chilkatsoft.com/exampleData/hmacSigned.xml"
set http = Server.CreateObject("Chilkat_9_5_0.Http")
set sbXml = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
success = http.QuickGetSb(url,sbXml)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( http.LastErrorText) & "</pre>"

End If

set verifier = Server.CreateObject("Chilkat_9_5_0.XmlDSig")

'  Load the XML containing the signature to be verified.
success = verifier.LoadSignatureSb(sbXml)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( verifier.LastErrorText) & "</pre>"

End If

'  Provide the HMAC key
'  The HMAC key for this signature is the us-ascii bytes of the string "secret",
'  It can be set in any of the following ways (and also more ways not shown here..)
success = verifier.SetHmacKey("secret","ascii")
'  or
success = verifier.SetHmacKey("c2VjcmV0","base64")
'  or
success = verifier.SetHmacKey("736563726574","hex")

'  Verify the signature
bVerified = verifier.VerifySignature(1)
Response.Write "<pre>" & Server.HTMLEncode( "Signature verified = " & bVerified) & "</pre>"

%>
</body>
</html>

 

© 2000-2016 Chilkat Software, Inc. All Rights Reserved.