25 Feb
2017
25 Feb
'17
9:29 p.m.
On Feb 23, 2017, at 10:18 PM, Marina Brown <catskillmarina@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/