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

Excel Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
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
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

 

 

 

(Excel) Verify SSL Server Certificate

Demonstrates how to connect to an SSL server and verify its SSL certificate.

Download Excel Class Modules

Chilkat Excel Class Modules

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

Dim socket As Chilkat.Socket
Set socket = Chilkat.NewSocket


ssl = True

maxWaitMillisec = 20000

' The SSL server hostname may be an IP address, a domain name,
' or "localhost". 

sslServerHost = "www.paypal.com"

sslServerPort = 443

' Connect to the SSL server:

success = socket.Connect(sslServerHost,sslServerPort,ssl,maxWaitMillisec)
If (success <> True) Then
    Debug.Print socket.LastErrorText
    Exit Sub
End If

Set cert = socket.GetSslServerCert()
If (socket.LastMethodSuccess <> False) Then

    Debug.Print "Server Certificate:"
    Debug.Print "Distinguished Name: "; cert.SubjectDN
    Debug.Print "Common Name: "; cert.SubjectCN
    Debug.Print "Issuer Distinguished Name: "; cert.IssuerDN
    Debug.Print "Issuer Common Name: "; cert.IssuerCN

    bExpired = cert.Expired
    bRevoked = cert.Revoked
    bSignatureVerified = cert.SignatureVerified
    bTrustedRoot = cert.TrustedRoot

    Debug.Print "Expired: "; bExpired
    Debug.Print "Revoked: "; bRevoked
    Debug.Print "Signature Verified: "; bSignatureVerified
    Debug.Print "Trusted Root: "; bTrustedRoot

End If

' Close the connection with the server
' Wait a max of 20 seconds (20000 millsec)
success = socket.Close(20000)

 

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