PowerBuilder

Find Certificate by Email Address

See more Cert Store Examples

Demonstrates how to find a certificate having the specified email address either within the cert's subject email, or the RFC822 name.

In an X.509 certificate, an email address can typically be located in two places:

1. RFC822 Name (Subject Alternative Name extension) -
   • The certificate may include an email address in the Subject Alternative Name (SAN) extension under the RFC822 Name field. This is a modern and preferred method because it allows for flexibility and alignment with security best practices.
   • To find it, Chilkat inspects the SAN extension in the certificate details.
2. Subject (Common Name or Email Address attribute) -
   • Older certificates may store the email address directly in the Subject field, typically under the Email Address attribute ("emailAddress") or, less commonly, the Common Name (CN).
   • This method is less preferred in modern standards but can still be encountered in legacy implementations. Chilkat also searches here for the email address.

Note: Requires Chilkat v10.1.2 or later.

PowerBuilder

integer li_rc
integer li_Success
oleobject loo_CertStore
integer li_ReadOnly
oleobject loo_Json
string ls_Email_address
oleobject loo_Cert

li_Success = 0

loo_CertStore = create oleobject
li_rc = loo_CertStore.ConnectToNewObject("Chilkat.CertStore")
if li_rc < 0 then
    destroy loo_CertStore
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// This opens the Current User certificate store on Windows,
// On MacOS and iOS it opens the default Keychain.
li_ReadOnly = 0
li_Success = loo_CertStore.OpenCurrentUserStore(li_ReadOnly)
if li_Success = 0 then
    Write-Debug loo_CertStore.LastErrorText
    destroy loo_CertStore
    return
end if

// Find the certificate having the specified email address in either the RFC822 Name or in the Subject.
loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

ls_Email_address = "joe@example.com"
loo_Json.UpdateString("email",ls_Email_address)

loo_Cert = create oleobject
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

li_Success = loo_CertStore.FindCert(loo_Json,loo_Cert)
if li_Success = 1 then
    // Show the full distinguished name of the certificate.
    Write-Debug "Found: " + loo_Cert.SubjectDN
else
    Write-Debug "Not found."
end if



destroy loo_CertStore
destroy loo_Json
destroy loo_Cert