2. Server construction

Building a solution to "break" hash doesn't require a lot of financial resources and, what's more, offers the flexibility to spread expenditure over time. However, to make optimal choices, the reader needs to ask himself certain questions from the outset:

1. Is this a solution built for a one-off audit, which will not need to evolve in the future, or is it the first element of a solution that will require more and more power?

2. How far should we go in terms of power?

   The power required is based on three elements:

   • the number of hashes to be broken. The more hashes, the longer it takes. The more power you have, the shorter the time;

   • the size of dictionaries and occurrences. An...