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Secure Hash Algorithm is a family of cryptographic hash functions published by NIST. This includes SHA-1, and the SHA-2 and SHA-3 families of functions.

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: https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html it took Google 110 GPUs (?) and 1 year to find a SHA-1 collision: Nine quintillion (9223372036854775808) SHA1 … could do sha1: 31540000*6490825000*110 = 22519268255000000000 and Google did: 9223372036854775808 so the GPU that was used in the pw rig is 2.4x times faster regarding SHA-1 that the GPU used by Google? The Question:: are the calculations correct? …
asked Feb 25 '17 by Marina Ala