Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3,4,5...TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

PureBasic Examples

Web API Categories

ASN.1
Amazon EC2
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Azure Table Service
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
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
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
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(PureBasic) Create JWK Set Containing Certificates

Demonstrates how to create a JWK Set containing N certificates.

Chilkat PureBasic Module Download

Chilkat PureBasic Module

IncludeFile "CkCert.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkPublicKey.pb"
IncludeFile "CkCrypt2.pb"

Procedure ChilkatExample()

    ; This example creates the following JWK Set from two certificates:

    ; {
    ;   "keys": [
    ;     {
    ;       "kty": "RSA",
    ;       "use": "sig",
    ;       "kid": "BB8CeFVqyaGrGNuehJIiL4dfjzw",
    ;       "x5t": "BB8CeFVqyaGrGNuehJIiL4dfjzw",
    ;       "n": "nYf1jpn7cFdQ...9Iw",
    ;       "e": "AQAB",
    ;       "x5c": [
    ;         "MIIDBTCCAe2...Z+NTZo"
    ;       ]
    ;     },
    ;     {
    ;       "kty": "RSA",
    ;       "use": "sig",
    ;       "kid": "M6pX7RHoraLsprfJeRCjSxuURhc",
    ;       "x5t": "M6pX7RHoraLsprfJeRCjSxuURhc",
    ;       "n": "xHScZMPo8F...EO4QQ",
    ;       "e": "AQAB",
    ;       "x5c": [
    ;         "MIIC8TCCAdmgA...Vt5432GA=="
    ;       ]
    ;     }
    ;   ]
    ; }

    ; First get two certificates from files.
    cert1.i = CkCert::ckCreate()
    If cert1.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i = CkCert::ckLoadFromFile(cert1,"qa_data/certs/brasil_cert.pem")
    If success <> 1
        Debug CkCert::ckLastErrorText(cert1)
        CkCert::ckDispose(cert1)
        ProcedureReturn
    EndIf

    cert2.i = CkCert::ckCreate()
    If cert2.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkCert::ckLoadFromFile(cert2,"qa_data/certs/testCert.cer")
    If success <> 1
        Debug CkCert::ckLastErrorText(cert2)
        CkCert::ckDispose(cert1)
        CkCert::ckDispose(cert2)
        ProcedureReturn
    EndIf

    ; We'll need this crypt object re-encode the SHA1 thumbprint from hex to base64.
    crypt.i = CkCrypt2::ckCreate()
    If crypt.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Let's begin with the 1st cert:
    CkJsonObject::setCkI(json, 0)
    CkJsonObject::ckUpdateString(json,"keys[i].kty","RSA")
    CkJsonObject::ckUpdateString(json,"keys[i].use","sig")

    hexThumbprint.s = CkCert::ckSha1Thumbprint(cert1)
    base64Thumbprint.s = CkCrypt2::ckReEncode(crypt,hexThumbprint,"hex","base64")
    CkJsonObject::ckUpdateString(json,"keys[i].kid",base64Thumbprint)
    CkJsonObject::ckUpdateString(json,"keys[i].x5t",base64Thumbprint)

    ; (We're assuming these are RSA certificates)
    ; To get the modulus (n) and exponent (e), we need to get the cert's public key and then get its JWK.
    pubKey.i = CkCert::ckExportPublicKey(cert1)
    pubKeyJwk.i = CkJsonObject::ckCreate()
    If pubKeyJwk.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoad(pubKeyJwk,CkPublicKey::ckGetJwk(pubKey))
    CkPublicKey::ckDispose(pubKey)

    CkJsonObject::ckUpdateString(json,"keys[i].n",CkJsonObject::ckStringOf(pubKeyJwk,"n"))
    CkJsonObject::ckUpdateString(json,"keys[i].e",CkJsonObject::ckStringOf(pubKeyJwk,"e"))

    ; Now add the entire X.509 certificate 
    CkJsonObject::ckUpdateString(json,"keys[i].x5c[0]",CkCert::ckGetEncoded(cert1))

    ; Now do the same for cert2..
    CkJsonObject::setCkI(json, 1)

    CkJsonObject::ckUpdateString(json,"keys[i].kty","RSA")
    CkJsonObject::ckUpdateString(json,"keys[i].use","sig")

    hexThumbprint = CkCert::ckSha1Thumbprint(cert2)
    base64Thumbprint = CkCrypt2::ckReEncode(crypt,hexThumbprint,"hex","base64")
    CkJsonObject::ckUpdateString(json,"keys[i].kid",base64Thumbprint)
    CkJsonObject::ckUpdateString(json,"keys[i].x5t",base64Thumbprint)

    pubKey = CkCert::ckExportPublicKey(cert2)
    CkJsonObject::ckLoad(pubKeyJwk,CkPublicKey::ckGetJwk(pubKey))
    CkPublicKey::ckDispose(pubKey)

    CkJsonObject::ckUpdateString(json,"keys[i].n",CkJsonObject::ckStringOf(pubKeyJwk,"n"))
    CkJsonObject::ckUpdateString(json,"keys[i].e",CkJsonObject::ckStringOf(pubKeyJwk,"e"))

    ; Now add the entire X.509 certificate 
    CkJsonObject::ckUpdateString(json,"keys[i].x5c[0]",CkCert::ckGetEncoded(cert2))

    ; Emit the JSON..
    CkJsonObject::setCkEmitCompact(json, 0)
    Debug CkJsonObject::ckEmit(json)


    CkCert::ckDispose(cert1)
    CkCert::ckDispose(cert2)
    CkCrypt2::ckDispose(crypt)
    CkJsonObject::ckDispose(json)
    CkJsonObject::ckDispose(pubKeyJwk)


    ProcedureReturn
EndProcedure

 

© 2000-2021 Chilkat Software, Inc. All Rights Reserved.