3 ms·

> If the mere existence of collisions is not acceptable to your VCS, then your VCS can't use a hash, period What? It could use a secure hash. Collisions take m

• bandrami 10y ago
  "Secure" is a time-constrained term. But any hash, whatsoever, has collisions, so if collisions are unacceptable, your VCS can't use them. (The point being that a VCS should handle collisions gracefully no matter what has is used.)
  • lmm 10y ago
    No VCS is 100% secure against the possibility of catastrophic failure. If an asteroid wiped out all life on earth there is no VCS that can handle that gracefully. So as long as a hash collision is less likely than that, using a hash and not handling collisions gracefully doesn't make the VCS substantially less safe.