(Swift 3,4,5...) Load P7B and Iterate Certificates

Demonstrates how to load a .p7b containing one or more certificates access each of them.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // 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.
    let chilkatGlob = CkoGlobal()!
    var success: Bool = chilkatGlob.unlockBundle("Anything for 30-day trial.")
    if success != true {
        print("\(chilkatGlob.lastErrorText!)")
        return
    }

    // The Chilkat PEM class was introduced in v9.5.0.49.  
    // It requires the bundle to be unlocked, as shown above.
    let pem = CkoPem()!

    // Load the .p7b from a file.
    success = pem.loadP7bFile("../myCertFiles/myP7b.p7b")
    if success != true {
        print("\(pem.lastErrorText!)")
        return
    }

    // Note: If the app already has the p7b loaded in memory, the LoadP7b method
    // may be called instead.  (see the online reference documentation)

    // Iterate over the certificates.
    var numCerts: Int = pem.numCerts.intValue
    var i: Int = 0

    while i < numCerts {

        var cert: CkoCert? = pem.getCert(i)
        print("Certificate \(i) : \(cert!.subjectDN!)")
        cert = nil

        i = i + 1
    }


}