148 |
it is practically impossible |
it is practically impossible |
149 |
that two different published documents |
that two different published documents |
150 |
will ever have the same hash. |
will ever have the same hash. |
151 |
For a 160 bit hash, hash collisions start |
For a 160 bit hash, hash collisions are expected |
152 |
to appear at about `$2^{80}$` published documents; |
to appear at about `$2^{80}$` published documents; |
153 |
that's about 60 trillion per human living. |
that's about 60 trillion per human living. |
154 |
See, e.g., [schneier96appliedcryptography]_. |
See, e.g., [schneier96appliedcryptography]_. |