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Activation Algorithm

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Cracking Windows XP Activation Algorithm for Offline Activation.

Originally Published 2 years ago — by PCMag

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Source: PCMag

The Windows XP activation algorithm has been cracked offline using Linux, allowing people to activate new Windows XP installations safely and securely offline without altering the OS. The crack has been made possible by a software that has been on the internet for months, and it’s not known who made and shared it. Despite being over 21 years old, Windows XP is still popular in some corners of the world, and a 2019 study found that one in three US businesses still had at least one XP machine on their networks.

Windows XP Activation Algorithm Successfully Cracked

Originally Published 2 years ago — by Ars Technica

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Source: Ars Technica

The encrypted algorithm for Windows XP activation has been cracked entirely offline, more than 20 years after its debut and nine years after its end of life. The solution, xp_activate32.exe, processes the code generated by Windows XP's phone activation option into a proper activation key, which is persistent across system wipes and reinstalls. While fully functional XP images exist in many places, including Microsoft's own Windows XP Mode for Windows 7, the cracked algorithm is a rhetorical and mathematical victory for those dealing with hardware that truly needs XP.