(Lianja) Iterate Keys and Certs in PEM

Demonstrates how to access each of the private keys and certs contained within a PEM.

Chilkat Lianja Extension Download Chilkat Lianja Extension

// Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
// by calling UnlockBundle.  It requires a Bundle unlock code.
loChilkatGlob = createobject("CkGlobal")
llSuccess = loChilkatGlob.UnlockBundle("Anything for 30-day trial.")
if (llSuccess <> .T.) then
    ? loChilkatGlob.LastErrorText
    release loChilkatGlob
    return
endif

// The Chilkat PEM class was introduced in v9.5.0.49.  
// It requires the bundle to be unlocked, as shown above.
loPem = createobject("CkPem")

// Load the PEM from a file.
// If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
lcPassword = "myPassword"
llSuccess = loPem.LoadPemFile("../myPemFiles/myPem.pem",lcPassword)
if (llSuccess <> .T.) then
    ? loPem.LastErrorText
    release loChilkatGlob
    release loPem
    return
endif

// Note: If the app already has the PEM pre-loaded in a string variable, then load it 
// by calling LoadPem instead.  
lcPemContent = "... the PEM contents ..."
llSuccess = loPem.LoadPem(lcPemContent,lcPassword)
// Check for success as before..

// Iterate over the private keys.
lnNumPrivateKeys = loPem.NumPrivateKeys
i = 0

do while i < lnNumPrivateKeys

    loPrivKey = loPem.GetPrivateKey(i)
    ? "Private Key " + str(i) + " is " + str(loPrivKey.BitLength) + " in length"
    release loPrivKey

    i = i + 1
enddo

// Iterate over the certificates.
lnNumCerts = loPem.NumCerts
i = 0

do while i < lnNumCerts

    loCert = loPem.GetCert(i)
    ? "Certificate " + str(i) + " : " + loCert.SubjectDN
    release loCert

    i = i + 1
enddo


release loChilkatGlob
release loPem