(Swift 3,4,5...) AWS KMS Import PFX Key

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Imports a certificate's private key from a .pfx file to new key created in AWS KMS.

Note: This example requires Chilkat v9.5.0.96 or later.

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func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Note: This example is using a relative file path.  You can also specify a full file path, such as "C:/someDir/myCertAndKey.pfx"
    // or a file path the makes sense on non-Windows operating systems..
    let cert = CkoCert()!
    var success: Bool = cert.loadPfxFile("qa_data/pfx/myCertAndKey.pfx", password: "pfx_password")
    if success == false {
        print("\(cert.lastErrorText!)")
        return
    }

    // Get the cert's private key.  This is what will be uploaded to AWS KMS.
    var privKey: CkoPrivateKey? = cert.exportPrivateKey()
    if cert.lastMethodSuccess == false {
        print("The certificate does not have a private key.")
        return
    }

    let json = CkoJsonObject()!
    json.update("service", value: "aws-kms")
    json.update("auth.access_key", value: "AWS_ACCESS_KEY")
    json.update("auth.secret_key", value: "AWS_SECRET_KEY")
    json.update("auth.region", value: "us-west-2")
    json.update("description", value: "Test of uploading existing private key to AWS KMS")

    // Let's add some information about the certificate this key belongs to.
    // This is for informational purposes only, so that we can examine the tags
    // in the AWS KMS console and know the corresponding certificate.
    json.update("tags[0].key", value: "CertSerial")
    json.update("tags[0].value", value: cert.serialNumber)
    json.update("tags[1].key", value: "CertIssuer")
    json.update("tags[1].value", value: cert.issuerCN)
    json.update("tags[2].key", value: "CertSubject")
    json.update("tags[2].value", value: cert.subjectCN)

    json.update("keyUsage", value: "SIGN_VERIFY")

    // The UploadToCloud method was added in Chilkat v9.5.0.96
    let jsonOut = CkoJsonObject()!
    success = privKey!.upload(toCloud: json, jsonOut: jsonOut)
    if success == false {
        print("\(privKey!.lastErrorText!)")
        privKey = nil
        return
    }

    privKey = nil

    // When successful, the jsonOut contains information about the private key in AWS KMS.
    // Most importantly, the KeyId.
    jsonOut.emitCompact = false
    print("\(jsonOut.emit()!)")

    // Sample JSON result:

    // {
    //   "AWSAccountId": "954491834127",
    //   "Arn": "arn:aws:kms:us-west-2:954491834127:key/187012e8-008f-4fc7-b100-5efe6146dff2",
    //   "KeySpec": "RSA_4096",
    //   "Description": "Test of uploading existing private key to AWS KMS",
    //   "KeyId": "187012e8-008f-4fc7-b100-5efe6146dff2",
    //   "KeyUsage": "SIGN_VERIFY"
    // }

}