[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: SHA1 collision found



> On Feb 23, 2017, at 10:18 PM, Marina Brown <catskillmarina AT gmail.com> wrote:
> 
> 
> What does it take to create 2 keys with the same SHA-1 sum ? My limited
> imagination thinks it would take a long time or a huge amount of
> processing power.
> 
> — Marina

"Who is capable of mounting this attack?
This attack required over 9,223,372,036,854,775,808 SHA1 computations. This took the equivalent processing power as 6,500 years of single-CPU computations and 110 years of single-GPU computations.”

via https://shattered.io/