(Swift 3,4,5...) Load PEM and List Certificates

Demonstrates how to load a PEM containing certificates and accesses each individual certificate.

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
    }

    let pem = CkoPem()!

    // Load the .p7b from a file.
    success = pem.loadFile("/Users/chilkat/testData/p7b/cacert_mozilla.pem")
    if success != true {
        print("\(pem.lastErrorText!)")
        return
    }

    var i: Int
    var numCerts: Int = pem.numCerts.intValue
    if numCerts == 0 {
        print("\(("Error: Expected the PEM to contain certificates.")!)")
        return
    }

    // Access each certificate and show the Subject CN (Common Name)
    for i = 1; i <= numCerts; i++ {
        var cert: CkoCert? = pem.getCert(i - 1)
        print("\(i): \(cert!.subjectCN!)")
        cert = nil
    }


}