Now, The Commodore 64 Is A Two-factor Authentication Device

November 22, 2022 By Monica Green

(Image Credit Google)

Even though the Commodore 64 is 40 years old, a vibrant community continues to create new games and software for the once-famous 6-bit machine. The C64 may function as a two-factor authentication app for your internet accounts with the aid of a new program called TOTP-C64. A new program for the Commodore 64 has been released by Cameron Kaiser, who is likely best known for creating the Classilla and TenFourFox web browsers. This program transforms the Commodore 64 into a two-factor authenticator app. Any service that supports app-based 2FA, such as Google, Facebook, Discord, Mastodon, and others, should be able to create real-time codes using TOTP-C64.

In a blog post on the endeavor, Kaiser stated, "Some of you are already asking if this idea is absolutely nuts or simply mainly nuts. But take into account that the C64 may be made entirely air gapped and has a very small attack surface. Keys can be manually input or stored in binary files, although using those requires knowledge of the file, offset, and length (unless you make the entire file the key). You even need to know what disk (or cassette tape? ), if that's possible, it's on. Additionally, anything enjoyable is usually a good excuse! The blog article goes into detail about the work that was necessary, which included coming up with a SHA-1 hash function that could function on the 6502 processor's restricted capabilities and figuring out how to keep track of the current time without a built-in hardware clock. Unless the key is longer than 64 bytes, the outcome is an incredible feat of software engineering that can create 2FA codes as well as an authenticator program on a phone or contemporary PC. There is a pre-compiled version that can be run directly on a Commodore 64 or emulator, and you can view the source code on GitHub at the source link below.

By Monica Green

I am specialised in latest tech and tech discoveries.

Now, The Commodore 64 Is A Two-factor Authentication Device

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