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Identity/CryptoIdeas/01-PBKDF-scrypt: Difference between revisions
Identity/CryptoIdeas/01-PBKDF-scrypt (view source)
Revision as of 21:27, 10 April 2012
, 10 April 2012→PBKDF User/Attacker Costs
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to estimate the cost (including both the GPUs and the electricity) of doing a | to estimate the cost (including both the GPUs and the electricity) of doing a | ||
SHA256 hash using state-of-the-art technology. This works out to about | SHA256 hash using state-of-the-art technology. This works out to about | ||
36*10<sup>-15</sup> (femtodollars) per hash, e.g. one USD will buy you about | $36*10<sup>-15</sup> (femtodollars) per hash, e.g. one USD will buy you about | ||
28*10<sup>12</sup> = 28 trillion hashes. (as of 05-Apr-2012, where DF=1.626M, | 28*10<sup>12</sup> = 28 trillion hashes. (as of 05-Apr-2012, where DF=1.626M, | ||
yield=50BTC/block, 1 block/10min, hashrate=11.37Thps, and a mtgox price of | yield=50BTC/block, 1 block/10min, hashrate=11.37Thps, and a mtgox price of | ||