[tor-relays] Hashed password behaviour

[Geoff Down]

On Sun, Oct 15, 2017, at 01:51 AM, teor wrote:
> 
> > On 14 Oct 2017, at 20:33, Geoff Down <geoffdown at fastmail.net> wrote:
> > 
> > Hello all,
> > what sort of crazy bug would make Tor give different hashes for the same
> > password?
> > 
> > $ tor --hash-password hello
> > 16:735E6FA5355D4146606AFE25B61B411DF419878C99705164D038FC99BC
> > $ tor --hash-password hello
> > 16:8201E7D35BB8CACB60BF8947B49A3480BA1A17E77EDA8BE45790746884
> > $ tor --version
> > Tor version 0.3.1.7 (git-6babd3d9ba9318b3).
> 
> This is normal behaviour for salted hashes.
> 
But which one then goes in the torrc?
And how then can the password sent to the control port be matched if its
hash changes?
Surely a salted hash has to use the same salt every time?
GD