"4 March 2021
The security of RSA relies on the practical difficulty of factoring the product of two large prime numbers. This takes exponentially longer as the bitsize increases. This method reduces it to polynomial time so instead of (2^800)/2 brute force operations you can now break RSA 800 bit keys is roughly 7x10^10 operations, or 70 Billion. Given a desktop computer with a decent GPU could do that in a couple hours, it's fair to say RSA encryption is functionally dead.
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