Wireless@sgx Installer

[Emir Ballard]

WirelessSG Connect

The Wireless@SG Connect is a mobile application that allows you to set up your device for EAP-SIM authentication and easily access a variety of Wireless@SG applications and services. With Wireless@SG Connect, you will be able to receive relevant information, find the nearest hotspots and be informed of the latest updates to Wireless@SG.

Run the installer and follow the on-screen instructions. The installer will configure your device for EAP-SIM Authentication and also install the Wireless@SG Connect application which allows you to easily access services and applications M1.

Once installation is complete, go to a Wireless@SG hotspot and ensure that your device's Wi-Fi function is turned on. In the future, whenever you are in any EAP-SIM Authentication enabled hotspot, your device will seamlessly and securely connect to Wireless@SG network.

Follow the step-by-step instructions to set up EAP-SIM Authentication on your devices. Go to a Wireless@SG hotspot and ensure that your device's Wi-Fi function is turned on. In the future, whenever you are in any SSA-enabled hotspot, your device will seamlessly and securely connect to Wireless@SG network EAP-SIM Authentication.

Refer to section "Setting up an Intel Software Guard Extensions Project" in the Intel SGX Developer Reference Guide for Windows, which is included in the documents directory of the folder where you expanded the SGX SDK.exe installer.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

I've been trying to replace my current Windows 10 installation with Ubuntu 16.04. My computer is a Lenovo Thinkpad T470. I've formatted my 15GB USB-dongle. Downloaded the software Rufus, and burned the ISO onto the USB. I've tried the settings "MBR Partition for BIOS or UEFI", "MBR Partition for UEFI" and "GPT partition for UEFI". I've tried using memtest86+ to test if I have any memory errors, I have not. I've tried disabling Secure boot, and Fast startup. I've tried using other software than Rufus, and I've tried entering the "nomodeset" in the boot options, as well "acpi=off", nothing works.

When I boot from my USB. I choose "Install Ubuntu" from the grub menu. And then select my language in the installer. It is from this point on, it gets problematic. Sometimes when I try to connect to my WIFI, it connects successfully, but when I press the "continue" button, the installer freezes and nothing happens. Sometimes I get past this point, but it then freezes later on in the installation progress - typically right when I press the "Install now" button.

Can someone please help me? When I tried booting memtest86+ it only worked when I changed my boot mode from UEFI to Legacy. Could this be it? Are there any downsides to installing an operating system in legacy?

Safe Graphics Mode. A new option is added to the GRUB menu in 19.04 and later which will boot with nomodeset on. This may help you resolve issues on certain graphics cards and allow you to boot and install any proprietary drivers needed by your system.

From the purple ubuntu screen press the F6 key. If you don't see this screen, shutdown, boot from the Ubuntu live USB again, and immediately after the motherboard / computer manufacturer logo splash screen appears when the computer is booting, with BIOS, quickly press and hold the Shift key, which will bring up a GNU GRUB menu screen. With UEFI press (perhaps several times) the Esc key to get to the GNU GRUB menu screen. Sometimes the manufacturer's splash screen is a part of the Windows bootloader, so when you power up the machine it goes straight to the GNU GRUB menu screen, and then pressing Shift is unnecessary.

After pressing F6, press Enter on nomodeset and an "x" will appear to the left of the option. Press Esc to leave the popup menu. The selections are retained at the time the user presses the Esc key. Then use the down arrow key to highlight the Install Ubuntu option and press the Enter key to select it.

Microsoft allows software developers to submit a file for malware analysis. According to Microsoft, this will help developers to "validate detection of their products". If the review was successful, the Microsoft SmartScreen warnings will go away faster, or sometimes even instantly (it worked instantly for one of my own apps). You need to have a Microsoft account to submit your app for review.

However, note that if you release an updated version of your app, then you'll also have to request a new review again. To overcome this problem, you'll either have to use an "Extended Validation" or an "Organization Validation" code signing certificate (see below).

A guaranteed way to immediately and permanently get rid of the Microsoft SmartScreen warnings is to buy an "Extended Validation" (EV) code signing certificate from one of the Microsoft-approved certificate authorities (CA's), and to sign your app with that EV certificate.

Such an EV certificate will cost you somewhere between 250 and 700 USD per year (you better compare prices), and will only be issued to registered businesses. If you're a single developer, you must be a sole proprietor and have an active business license. You can read more about the formal requirements for EV code signing certificates in the EV Code Signing Certificate Guidelines.

You can also buy a cheaper "Organization Validation" (OV) code signing certificate (also known as "standard" or "non-EV" certificates), and sign your app with that certificate. This will also permanently, but not instantly, make the Microsoft SmartScreen warnings disappear. An OV certificate will cost you between 100 and 500 USD per year (again, you better compare prices), and can also be issued to private developers without an active business license. Some CA's also offer discounts for open source projects.

Since June 2023, newly issued (or renewed) OV certificates must also be stored on either a secure physical hardware token or on an HSM (Hardware Security Module). Your CA will handle this for you. It's not possible anymore to store an OV certificate on your own computer.

The problem with OV code signing certificates is that they do not instantly silence Microsoft SmartScreen. Instead, some time will be needed for your certificate to build reputation before the warning will go away. However, once your certificate has built enough reputation, all applications signed with that certificate will be permanently trusted by Microsoft SmartScreen and won't trigger the warning anymore.

So, how long will it take until the Microsoft SmartScreen warning will disappear when using an OV code signing certificate? Unfortunately, this is difficult to answer, since Microsoft itself refuses to publish any details about this. According to inofficial numbers reported by various sources (see below), it usually takes between 2 and 8 weeks until the warning will permanently go away. It seems that the exact duration also depends on the reputation of the website from which your app is downloaded.

It's a good idea to buy your OV code signing certificate with the longest possible validity period because when you renew your certificate, the reputation will unfortunately not automatically carry over to the new certificate (not even if it's signed against the same private key as the old certificate).

However, you can mitigate the rollover problem by getting your new code signing certificate before your old certificate expires, and then using both the old (but not yet expired!) and the new certificate to sign your code, resulting in two signatures. The signature from your old certificate will continue to bypass SmartScreen and, at the same time, the new signature will help the new certificate to build up trust. So, the idea is that your new certificate becomes trusted before your old certificate expires.

If your old certificate should have already expired, then you can still add the signature from your new certificate to an already released version of your app, and then re-release that app version as a dual-signed app. As before, this will also help the new certificate to build up trust.

To correctly dual-sign your app, first sign your code with the old certificate, and then sign it again with the new certificate, using the /as command line option of Microsoft's SignTool to append an additional signature to the first one (instead of replacing it).

If you don't take any measures at all, the Microsoft SmartScreen warning will also go away eventually. This might however take a ridiculous amount of time (months) and / or downloads (tens of thousands). Another big problem is that each time you'll release an updated version of your app, the waiting period will start all over again. So, this probably isn't the solution you're looking for.

If you have a standard code signing certificate, some time will be needed for your application to build trust. Microsoft affirms that an Extended Validation (EV) Code Signing Certificate allows us to skip this period of trust-building. According to Microsoft, extended validation certificates will enable the developer to immediately establish a reputation with SmartScreen. Otherwise, the users will see a warning like "Windows Defender SmartScreen prevented an unrecognized app from starting. Running this app might put your PC at risk.", with the two buttons: "Run anyway" and "Don't run".

Another Microsoft resource states the following (quote): "Although not required, programs signed by an EV code signing certificate can immediately establish a reputation with SmartScreen reputation services even if no prior reputation exists for that file or publisher. EV code signing certificates also have a unique identifier which makes it easier to maintain reputation across certificate renewals."

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