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epriestley 4a53fc339e Don't use "phutil_hashes_are_identical()" to compare public keys
Summary:
Ref T13436. There's no real security value to doing this comparison, it just wards off evil "security researchers" who get upset if you ever compare two strings with a non-constant-time algorithm.

In practice, SSH public keys are pretty long, pretty public, and have pretty similar lengths. This leads to a relatively large amount of work to do constant-time comparisons on them (we frequently can't abort early after identifying differing string length).

Test Plan: Ran `bin/ssh-auth --sshd-key ...` on `secure` with ~1K keys, saw runtime drop by ~50% (~400ms to ~200ms) with `===`.

Maniphest Tasks: T13436

Differential Revision: https://secure.phabricator.com/D20875
2019-10-28 18:34:30 -07:00
bin Remove the "ssh-auth-key" script 2019-10-28 17:52:37 -07:00
conf Remove an old digest in Celerity code and some obsolete configuration options 2019-01-04 13:43:38 -08:00
externals Remove WePay support from Phortune, and Restful/Httpful dependencies 2019-05-14 09:14:53 -07:00
resources In the repository URI index, store Phabricator's own URIs as tokens 2019-10-28 14:44:06 -07:00
scripts Don't use "phutil_hashes_are_identical()" to compare public keys 2019-10-28 18:34:30 -07:00
src In the repository URI index, store Phabricator's own URIs as tokens 2019-10-28 14:44:06 -07:00
support Make it easier to parse "X-Forwarded-For" with one or more load balancers 2019-09-05 04:30:13 -07:00
webroot Persist login instructions onto flow-specific login pages (username/password and LDAP) 2019-10-24 18:38:15 -07:00
.arcconfig Set "history.immutable" to "false" explicitly in .arcconfig 2016-08-03 08:12:49 -07:00
.arclint Move web application classes into "phabricator/" 2019-09-02 07:58:59 -07:00
.arcunit Use the configuration driven unit test engine 2015-08-11 07:57:11 +10:00
.editorconfig Fix text lint issues 2015-02-12 07:00:13 +11:00
.gitignore Make i18n string extraction faster and more flexible 2016-07-04 10:23:30 -07:00
LICENSE Fix text lint issues 2015-02-12 07:00:13 +11:00
NOTICE Update Phabricator NOTICE file to reflect modern legal circumstances 2014-06-25 13:42:13 -07:00
README.md Remove push to IRC from "readme.md" too 2015-10-24 18:39:16 -07:00

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