(PureBasic) Find Certificate by Email Address

Locate the certificate containing the specified email address in either the RFC822 Name or the Subject.

Note: This example requires Chilkat v10.1.2 or later.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkCertStore.pb"
IncludeFile "CkCert.pb"
IncludeFile "CkJsonObject.pb"

Procedure ChilkatExample()

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

    ; This opens the Current User certificate store on Windows,
    ; On MacOS and iOS it opens the default Keychain.
    readOnly.i = 1
    success.i = CkCertStore::ckOpenCurrentUserStore(certStore,readOnly)
    If success = 0
        Debug CkCertStore::ckLastErrorText(certStore)
        CkCertStore::ckDispose(certStore)
        ProcedureReturn
    EndIf

    ; Locate the certificate containing the specified email address in either the RFC822 Name or the Subject.
    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    email_address.s = "harold@example.com"
    CkJsonObject::ckUpdateString(json,"email",email_address)

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

    success = CkCertStore::ckFindCert(certStore,json,cert)
    If success = 1
        ; Show the full distinguished name of the certificate.
        Debug "Found: " + CkCert::ckSubjectDN(cert)
    Else
        Debug "Not found."
    EndIf



    CkCertStore::ckDispose(certStore)
    CkJsonObject::ckDispose(json)
    CkCert::ckDispose(cert)


    ProcedureReturn
EndProcedure