Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

Visual Basic 6.0 Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
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)
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(Visual Basic 6.0) Plaza API (bol.com) HMAC-SHA256 Authentication

Demonstrates how to compute the Authorization header for bol.com using HMAC-SHA256.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim crypt As New ChilkatCrypt2

crypt.EncodingMode = "base64"
crypt.HashAlgorithm = "sha256"
crypt.MacAlgorithm = "hmac"

Dim publicKey As String
publicKey = "oRNWbHFXtAECmhnZmEndcjLIaSKbRMVE"
Dim privateKey As String
privateKey = "MaQHPOnmYkPZNgeRziPnQyyOJYytUbcFBVJBvbMKoDdpPqaZbaOiLUTWzPAkpPsZFZbJHrcoltdgpZolyNcgvvBaKcmkqFjucFzXhDONTsPAtHHyccQlLUZpkOuywMiOycDWcCySFsgpDiyGnCWCZJkNTtVdPxbSUTWVIFQiUxaPDYDXRQAVVTbSVZArAZkaLDLOoOvPzxSdhnkkJWzlQDkqsXNKfAIgAldrmyfROSyCGMCfvzdQdUQEaYZTPEoA"

' The string to sign is this:
' http_verb +'\n\n'+ content_type +'\n'+ x_bol_date +'\n'+ 'x-bol-date:'+ x_bol_date +'\n'+ uri

Dim http_verb As String
http_verb = "GET"
Dim content_type As String
content_type = "application/xml"
Dim x_bol_date As String
x_bol_date = "Wed, 17 Feb 2016 00:00:00 GMT"
Dim uri As String
uri = "/services/rest/orders/v2"

' IMPORTANT: Notice the use of underscore and hyphen (dash) chars in x-bol-date vs. x_bol_date.
' In one place hypens are used.  In two places, underscore chars are used.
Dim sb As New ChilkatStringBuilder
success = sb.Append(http_verb)
success = sb.Append(vbLf & vbLf)
success = sb.Append(content_type)
success = sb.Append(vbLf)
success = sb.Append(x_bol_date)
success = sb.Append(vbLf & "x-bol-date:")
success = sb.Append(x_bol_date)
success = sb.Append(vbLf)
success = sb.Append(uri)
Debug.Print "[" & sb.GetAsString() & "]"

' Set the HMAC key:
success = crypt.SetMacKeyEncoded(privateKey,"ascii")
Dim mac As String
mac = crypt.MacStringENC(sb.GetAsString())

' The answer should be: nqzLWvXI1eBhBXrRx5NF23V5hS8Q1xWCloJzPi/RAts=
Debug.Print mac

' The last step is to append the public key with the signature
Dim sbHeader As New ChilkatStringBuilder
success = sbHeader.Append(publicKey)
success = sbHeader.Append(":")
success = sbHeader.Append(mac)

Dim hdrValue As String
hdrValue = sbHeader.GetAsString()
Debug.Print hdrValue

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.