So the SHA-1 collision guys say
"As a side result, this shows that it now costs less than 100k USD to break cryptography with a security level of 64 bits (i.e. to compute 2^64 operations of symmetric cryptography)."
But @tmbinc already cracked 56 bits for $1k 9 years ago.
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Renting compute combines power and time into one number though. How long does it take on physical hardware?
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It should be doable in the same amount of time for ~$10k give or take.
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So $10K fixed and some amount of electricity.
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Definitely a lot less than $10k in electricity at household rates.
12:23 AM - 8 Jan 2020
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