Chilkat Examples

ChilkatHOME.NET Core C#Android™AutoItCC#C++Chilkat2-PythonCkPythonClassic ASPDataFlexDelphi ActiveXDelphi DLLGoJavaLianjaMono C#Node.jsObjective-CPHP ActiveXPHP ExtensionPerlPowerBuilderPowerShellPureBasicRubySQL ServerSwift 2Swift 3,4,5...TclUnicode CUnicode C++VB.NETVBScriptVisual Basic 6.0Visual FoxProXojo Plugin

PowerBuilder Examples

Web API Categories

ASN.1
AWS KMS
AWS Misc
Amazon EC2
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Key Vault
Azure Service Bus
Azure Table Service
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Cloud Signature CSC
Code Signing
Compression
DKIM / DomainKey
DNS
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
EBICS
ECC
Ed25519
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
GMail SMTP/IMAP/POP
Geolocation
Google APIs
Google Calendar
Google Cloud SQL
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
MS Storage Providers
Microsoft Graph
Misc
NTLM
OAuth1
OAuth2
OIDC
Office365
OneDrive
OpenSSL
Outlook
Outlook Calendar
Outlook Contact
PDF Signatures
PEM
PFX/P12
PKCS11
POP3
PRNG
REST
REST Misc
RSA
SCP
SCard
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
ScMinidriver
SharePoint
SharePoint Online
Signing in the Cloud
Socket/SSL/TLS
Spider
Stream
Tar Archive
ULID/UUID
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl
uncategorized

 

 

 

(PowerBuilder) Validate Certificate using OCSP Protocol

Demonstrates how to validate a certificate (check the revoked status) using the OCSP protocol.

Note: This example requires Chilkat v9.5.0.75 or greater

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Cert
integer li_Success
string ls_OcspUrl
oleobject loo_Prng
oleobject loo_Json
oleobject loo_OcspRequest
oleobject loo_Http
oleobject loo_Resp
oleobject loo_OcspReply
oleobject loo_JsonReply
integer li_OcspStatus
integer li_CertStatus

// Note: Requires Chilkat v9.5.0.75 or greater.

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

// This example will check the revoked status of a certificate loaded from a file.
loo_Cert = create oleobject
// Use "Chilkat_9_5_0.Cert" for versions of Chilkat < 10.0.0
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")
if li_rc < 0 then
    destroy loo_Cert
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_Cert.LoadFromFile("qa_data/certs/google.crt")
if li_Success <> 1 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_Cert
    return
end if

// Get the cert's OCSP URL.
ls_OcspUrl = loo_Cert.OcspUrl

// Build the JSON that will be the OCSP request.
loo_Prng = create oleobject
// Use "Chilkat_9_5_0.Prng" for versions of Chilkat < 10.0.0
li_rc = loo_Prng.ConnectToNewObject("Chilkat.Prng")

loo_Json = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.EmitCompact = 0
loo_Json.UpdateString("extensions.ocspNonce",loo_Prng.GenRandom(36,"base64"))
loo_Json.I = 0
loo_Json.UpdateString("request[i].cert.hashAlg","sha1")
loo_Json.UpdateString("request[i].cert.issuerNameHash",loo_Cert.HashOf("IssuerDN","sha1","base64"))
loo_Json.UpdateString("request[i].cert.issuerKeyHash",loo_Cert.HashOf("IssuerPublicKey","sha1","base64"))
loo_Json.UpdateString("request[i].cert.serialNumber",loo_Cert.SerialNumber)

Write-Debug loo_Json.Emit()

// Our OCSP request looks like this:
// {
//   "extensions": {
//     "ocspNonce": "qZDfbpO+nUxRzz6c/SPjE5QCAsPfpkQlRDxTnGl0gnxt7iXO"
//   },
//   "request": [
//     {
//       "cert": {
//         "hashAlg": "sha1",
//         "issuerNameHash": "9u2wY2IygZo19o11oJ0CShGqbK0=",
//         "issuerKeyHash": "d8K4UJpndnaxLcKG0IOgfqZ+uks=",
//         "serialNumber": "6175535D87BF94B6"
//       }
//     }
//   ]
// }

loo_OcspRequest = create oleobject
// Use "Chilkat_9_5_0.BinData" for versions of Chilkat < 10.0.0
li_rc = loo_OcspRequest.ConnectToNewObject("Chilkat.BinData")

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")

// Convert our JSON to a binary (ASN.1) OCSP request
li_Success = loo_Http.CreateOcspRequest(loo_Json,loo_OcspRequest)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Cert
    destroy loo_Prng
    destroy loo_Json
    destroy loo_OcspRequest
    destroy loo_Http
    return
end if

// Send the OCSP request to the OCSP server
loo_Resp = loo_Http.PBinaryBd("POST",ls_OcspUrl,loo_OcspRequest,"application/ocsp-request",0,0)
if loo_Http.LastMethodSuccess <> 1 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Cert
    destroy loo_Prng
    destroy loo_Json
    destroy loo_OcspRequest
    destroy loo_Http
    return
end if

// Get the binary (ASN.1) OCSP reply
loo_OcspReply = create oleobject
// Use "Chilkat_9_5_0.BinData" for versions of Chilkat < 10.0.0
li_rc = loo_OcspReply.ConnectToNewObject("Chilkat.BinData")

loo_Resp.GetBodyBd(loo_OcspReply)
destroy loo_Resp

// Convert the binary reply to JSON.
// Also returns the overall OCSP response status.
loo_JsonReply = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonReply.ConnectToNewObject("Chilkat.JsonObject")

li_OcspStatus = loo_Http.ParseOcspReply(loo_OcspReply,loo_JsonReply)

// The ocspStatus can have one of these values:
// -1:  The ARG1 does not contain a valid OCSP reply.
// 0:  Successful - Response has valid confirmations..
// 1: Malformed request - Illegal confirmation request.
// 2: Internal error - Internal error in issuer.
// 3: Try later -  Try again later.
// 4: Not used - This value is never returned.
// 5: Sig required - Must sign the request.
// 6: Unauthorized - Request unauthorized.

if li_OcspStatus < 0 then
    Write-Debug "Invalid OCSP reply."
    destroy loo_Cert
    destroy loo_Prng
    destroy loo_Json
    destroy loo_OcspRequest
    destroy loo_Http
    destroy loo_OcspReply
    destroy loo_JsonReply
    return
end if

Write-Debug "Overall OCSP Response Status: " + string(li_OcspStatus)

// Let's examine the OCSP response (in JSON).
loo_JsonReply.EmitCompact = 0
Write-Debug loo_JsonReply.Emit()

// The JSON reply looks like this:
// (Use the online tool at https://tools.chilkat.io/jsonParse.cshtml
// to generate JSON parsing code.)

// {
//   "responseStatus": 0,
//   "responseTypeOid": "1.3.6.1.5.5.7.48.1.1",
//   "responseTypeName": "ocspBasic",
//   "response": {
//     "responderIdChoice": "KeyHash",
//     "responderKeyHash": "d8K4UJpndnaxLcKG0IOgfqZ+uks=",
//     "dateTime": "20180803193937Z",
//     "cert": [
//       {
//         "hashOid": "1.3.14.3.2.26",
//         "hashAlg": "SHA-1",
//         "issuerNameHash": "9u2wY2IygZo19o11oJ0CShGqbK0=",
//         "issuerKeyHash": "d8K4UJpndnaxLcKG0IOgfqZ+uks=",
//         "serialNumber": "6175535D87BF94B6",
//         "status": 0,
//         "thisUpdate": "20180803193937Z",
//         "nextUpdate": "20180810193937Z"
//       }
//     ]
//   }
// }
// 

// The certificate status:
li_CertStatus = -1
if loo_JsonReply.HasMember("response.cert[0].status") = 1 then
    li_CertStatus = loo_JsonReply.IntOf("response.cert[0].status")
end if

// Possible certStatus values are:
// -1: No status returned.
// 0: Good
// 1: Revoked
// 2: Unknown.
Write-Debug "Certificate Status: " + string(li_CertStatus)


destroy loo_Cert
destroy loo_Prng
destroy loo_Json
destroy loo_OcspRequest
destroy loo_Http
destroy loo_OcspReply
destroy loo_JsonReply

 

© 2000-2024 Chilkat Software, Inc. All Rights Reserved.