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Author SHA1 Message Date
Nick Mathewson
6a29aa7b8c Add whitebox test for the long-output optimization of fast_rng 2019-02-14 09:26:40 -05:00
Nick Mathewson
3f28b98220 Add test for crypto_fast_rng_get_double(). 2019-02-14 09:26:40 -05:00
Nick Mathewson
acbde10fce Add a test-rng program so we can pipe to dieharder. 2019-02-14 09:26:40 -05:00
Nick Mathewson
490e187056 Add a benchmark for our several PRNGs. 2019-02-14 09:26:40 -05:00
Nick Mathewson
f3cbd6426c Implement a fast aes-ctr prng 
This module is currently implemented to use the same technique as
libottery (later used by the bsds' arc4random replacement), using
AES-CTR-256 as its underlying stream cipher.  It's backtracking-
resistant immediately after each call, and prediction-resistant
after a while.

Here's how it works:

We generate psuedorandom bytes using AES-CTR-256.  We generate BUFLEN bytes
at a time.  When we do this, we keep the first SEED_LEN bytes as the key
and the IV for our next invocation of AES_CTR, and yield the remaining
BUFLEN - SEED_LEN bytes to the user as they invoke the PRNG.  As we yield
bytes to the user, we clear them from the buffer.

Every RESEED_AFTER times we refill the buffer, we mix in an additional
SEED_LEN bytes from our strong PRNG into the seed.

If the user ever asks for a huge number of bytes at once, we pull SEED_LEN
bytes from the PRNG and use them with our stream cipher to fill the user's
request.
 2019-02-14 09:26:40 -05:00
Nick Mathewson
3d3578ab41 Extract RNG tests into a new test module 
test_crypto.c is pretty big; it wouldn't hurt to split it up some
more before I start adding stuff to the PRNG tests.
 2019-02-14 09:26:40 -05:00
Nick Mathewson
622a9a8a36 Extract the common body of our random-int functions into a macro 
This is the second part of refactoring the random-int-in-range code.
 2019-02-14 09:26:40 -05:00
Nick Mathewson
a49149fc13 Extract numeric CSPRNG functions into a new module. 
Some of the code for getting a random value within a range wants to
be shared between crypto_rand() and the new crypto_fast_rng() code.
 2019-02-06 22:06:05 -05:00
Nick Mathewson
21d184a184 Remove extraneous #if/#endif wrapper in crypto_rand.c 
I don't know how this got here, but this kind of a wrapper only
belongs in a header file.
 2019-02-06 22:05:39 -05:00
Nick Mathewson
8ca808f81d Code for anonymous mappings via mmap() or CreateFileMapping(). 
Using an anonymous mmap() is a good way to get pages that we can set
kernel-level flags on, like minherit() or madvise() or mlock().
We're going to use that so that we can make uninheritable locked
pages to store PRNG data.
 2019-02-06 22:03:30 -05:00
Roger Dingledine
bfd1d70243 Merge branch 'maint-0.3.5' 2019-02-05 08:10:43 -05:00
Roger Dingledine
bca25eebfb Merge branch 'maint-0.3.4' into maint-0.3.5 2019-02-05 08:10:14 -05:00
Roger Dingledine
8ea98c0f4c Merge branch 'maint-0.3.3' into maint-0.3.4 2019-02-05 08:09:47 -05:00
Nick Mathewson
4d7a0a1310 Update Cargo.lock with new comment; suppress 29244. 2019-02-01 16:38:23 +01:00
Nick Mathewson
d9010c5b67 One more 32-bit clang warning 2019-01-24 15:23:06 -05:00
Nick Mathewson
e19222a0da Use tt_u64_op() in test_circuitpadding.c to fix compilation warnings 
Fixes bug 29169.
 2019-01-24 13:20:21 -05:00
Nick Mathewson
8b254c1c70 Merge branch 'precommit_squashed' 2019-01-24 11:08:10 -05:00
Nick Mathewson
dd22c84ccf Only run the checkIncludes.py script if it exists 
(It was added in 0.3.5)
 2019-01-24 08:06:09 -05:00
Nick Mathewson
107e50a90f lintChanges.py didn't take a directory argument in 0.2.9 2019-01-24 08:05:42 -05:00
rl1987
611e8dcda7 Also run checkInclude.py before every commit 2019-01-24 08:03:17 -05:00
rl1987
99fffc6c2f Add a pre-commit hook that runs code and changelog entry formatting checks 2019-01-24 08:03:17 -05:00
Nick Mathewson
adeeb8841e Merge branch 'maint-0.3.5' 2019-01-23 11:18:14 -05:00
rl1987
712a622fce Log an HSDesc we failed to parse at Debug loglevel 2019-01-23 10:37:10 -05:00
Nick Mathewson
5ec566edda Merge branch 'maint-0.3.5' 2019-01-23 09:51:32 -05:00
Nick Mathewson
1c5f03fba7 Merge branch 'maint-0.3.3' into maint-0.3.4 2019-01-23 09:51:02 -05:00
Nick Mathewson
f9050681c0 Merge branch 'maint-0.3.4' into maint-0.3.5 2019-01-23 09:51:02 -05:00
Nick Mathewson
d1c0dbabfa Merge branch 'maint-0.2.9' into maint-0.3.3 
"ours" merge to avoid dropping non-broken changes files after
removal of merged 0.2.9 changes files.
 2019-01-23 09:50:38 -05:00
Nick Mathewson
dd6c2b0ad7 maint-0.2.9: remove changes files that are merged in 0.2.9 releases 
Many of these files cause check-changes to fail, which will be a
long-term problem as we continue to support 0.2.9.
 2019-01-23 09:48:28 -05:00
Nick Mathewson
8e1e71cc0d Merge branch 'bug29122' 2019-01-22 14:31:01 -05:00
George Kadianakis
6243133a71 Fix intermittent failures of test_circuitpadding_wronghop(). 
We fix it by disabling the scheduling of actual padding.
Fixes #29122.
 2019-01-22 14:30:43 -05:00
Nick Mathewson
74e41155ff Merge branch 'maint-0.3.5' 2019-01-22 12:27:50 -05:00
Nick Mathewson
d9fde87607 correct bug number in 29042 changelog 2019-01-22 12:27:46 -05:00
Nick Mathewson
21dd3ece62 Merge branch 'maint-0.3.5' 2019-01-22 11:55:56 -05:00
Nick Mathewson
4159d103d6 Merge branch 'bug29042_035' into maint-0.3.5 2019-01-22 11:55:53 -05:00
Nick Mathewson
00bc18b847 Merge remote-tracking branch 'tor-github/pr/653' 2019-01-22 08:13:14 -05:00
Nick Mathewson
0ce4d23af5 Merge branch 'maint-0.3.5' 2019-01-22 08:04:55 -05:00
Nick Mathewson
9ce1978b5e Merge branch 'bug28979_035' into maint-0.3.5 2019-01-22 08:04:52 -05:00
Nick Mathewson
761f1bf71e Merge branch 'maint-0.3.3' into maint-0.3.4 2019-01-18 12:25:08 -05:00
Nick Mathewson
4cca7fb99b Merge branch 'maint-0.2.9' into maint-0.3.3 2019-01-18 12:25:08 -05:00
Nick Mathewson
d1af4d65df Merge branch 'maint-0.3.5' 2019-01-18 12:25:08 -05:00
Nick Mathewson
a8580a6836 Merge branch 'maint-0.3.4' into maint-0.3.5 2019-01-18 12:25:08 -05:00
Nick Mathewson
9d7b4f1ca8 Fix the year for 0.3.4.10 and 0.3.3.11 2019-01-18 10:22:06 -05:00
Nick Mathewson
aaef95ada5 format_changelog: treat "issue NNNN" as a track ticket 2019-01-18 10:15:02 -05:00
Nick Mathewson
67f275f8da Bump to 0.4.0.1-alpha-dev 2019-01-18 10:08:57 -05:00
Nick Mathewson
81f1b89efc Better failure message on stochastic test failure 2019-01-17 17:27:13 -05:00
Nick Mathewson
c08fc2e19e Speed up the deterministic prng in test_prob_distr, by a lot. 
Using a single xof object and squeezing it repeatedly should make
everything MUCH faster here.
 2019-01-17 16:10:02 -05:00
Nick Mathewson
77712a5fa2 Merge remote-tracking branch 'tor-github/pr/645' 2019-01-17 12:04:50 -05:00
Nick Mathewson
7e1f893460 lintChanges.py: Two python re usage fixes 2019-01-17 08:46:06 -05:00
Nick Mathewson
7c6a8c674b Fix documentation for ClientAuth on HSv3. 
The manpage erroneously said "privkey" when "public-key" would have
been correct.  Reported by "Felixix" as ticket 28979. Bugfix on
0.3.5.1-alpha.
 2019-01-16 16:10:20 -05:00
Nick Mathewson
16430fdaf5 Merge branch 'maint-0.3.5' 2019-01-16 14:43:53 -05:00