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hs_pow: bump client-side effort limit from 500 to 10000

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500 was quite low, but this limit was helpful when the suggested-effort
estimation algorithm was likely to give us large abrupt increases. Now
that this should be fixed, let's allow spending a bit more time on the
client puzzles if it's actually necessary.

Solving a puzzle with effort=10000 usually completes within a minute
on my old x86_64 machine. We may want to fine tune this further, and it
should probably be made into a config option.

Signed-off-by: Micah Elizabeth Scott <beth@torproject.org>
This commit is contained in:
Micah Elizabeth Scott 2023-03-21 12:56:10 -07:00
parent 6a0809c4e3
commit ac29c7209d
1 changed files with 1 additions and 1 deletions
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src/feature/hs/hs_client.c
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@ -655,7 +655,7 @@ send_introduce1(origin_circuit_t *intro_circ,
/** Set a client-side cap on the highest effort of PoW we will try to /** Set a client-side cap on the highest effort of PoW we will try to
* tackle. If asked for higher, we solve it at this cap. */ * tackle. If asked for higher, we solve it at this cap. */
#define CLIENT_MAX_POW_EFFORT 500 #define CLIENT_MAX_POW_EFFORT 10000
/** Send an INTRODUCE1 cell along the intro circuit and populate the rend /** Send an INTRODUCE1 cell along the intro circuit and populate the rend
* circuit identifier with the needed key material for the e2e encryption. * circuit identifier with the needed key material for the e2e encryption.