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Author SHA1 Message Date
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
George Kadianakis
f5a6d4c6ea Disable unstable circuit padding unittest. 
until #29298 is implemented.
 2019-02-14 12:09:41 +02:00
Nick Mathewson
5f42bc0f48 Merge remote-tracking branch 'tor-github/pr/699' 2019-02-13 15:19:59 -05:00
Nick Mathewson
5687165cf1 Merge remote-tracking branch 'tor-github/pr/674' 2019-02-13 11:38:35 -05:00
David Goulet
d043096d59 Merge branch 'maint-0.3.5' 2019-02-13 11:02:09 -05:00
David Goulet
d5de1a0a55 Merge branch 'tor-github/pr/651' 2019-02-13 11:02:02 -05:00
David Goulet
6efc2a0e1f Merge branch 'tor-github/pr/650' into maint-0.3.5 2019-02-13 10:56:24 -05:00
juga0
b61c3c6dfa changes: Add changes file for #26698 2019-02-13 12:26:00 +00:00
juga0
ec7da50ab4 dirvote: Add the bandwidth file digest in the vote 2019-02-13 12:26:00 +00:00
juga0
28490fa23e test: Add test to get the digest of a bw file 2019-02-13 12:26:00 +00:00
juga0
fc3e90a7b6 bwauth: Add function to get the digest of a bw file 2019-02-13 12:26:00 +00:00
David Goulet
c320c52e89 Merge branch 'tor-github/pr/690' 2019-02-12 13:04:25 -05:00
David Goulet
95e5f8fe03 Merge branch 'tor-github/pr/671' 2019-02-12 13:02:30 -05:00
Nick Mathewson
72b978c3a5 On windows, if we fail to load a consensus and it has a CRLF, retry. 
Fixes bug 28614; bugfix on 0.4.0.1-alpha when we started mmapping
the consensus.
 2019-02-12 12:57:33 -05:00
Nick Mathewson
a797a69679 Merge branch 'maint-0.3.5' 2019-02-12 09:56:50 -05:00
Nick Mathewson
db209d4dba Merge branch 'maint-0.3.3' into maint-0.3.4 2019-02-12 09:56:49 -05:00
Nick Mathewson
7ead2af622 Merge branch 'maint-0.2.9' into maint-0.3.3 2019-02-12 09:56:49 -05:00
Nick Mathewson
2e770216c4 Merge branch 'maint-0.3.4' into maint-0.3.5 2019-02-12 09:56:49 -05:00
Nick Mathewson
ed05b7dddc Merge branch 'maint-0.3.5' 2019-02-12 09:55:09 -05:00
David Goulet
46b6df7122 test: Fix a warning underflow in rend_cache/clean 
Because the test is adding entries to the "rend_cache" directly, the
rend_cache_increment_allocation() was never called which made the
rend_cache_clean() call trigger that underflow warning:

rend_cache/clean: [forking] Nov 29 09:55:04.024 [warn] rend_cache_decrement_allocation(): Bug: Underflow in rend_cache_decrement_allocation (on Tor 0.4.0.0-alpha-dev 2240fe63feb9a8cf)

The test is still good and valid.

Fixes #28660

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2019-02-12 09:15:41 -05:00
Karsten Loesing
a3f9ddcf03 Update geoip and geoip6 to the February 5 2019 database. 2019-02-12 14:40:42 +01:00
rl1987
8d04dc416b Add changes file 2019-02-09 16:56:54 +02:00
rl1987
4c10221332 Use compress_dir_buf_add() function in a few places 2019-02-09 16:46:31 +02:00
rl1987
09a3c949f8 Add connection_dir_buf_add() helper function 2019-02-09 16:06:32 +02:00
Nick Mathewson
a036c0187a cov-diff: better handle the case where a file stops having coverage 2019-02-08 11:22:55 -05:00
Nick Mathewson
f4c76661d1 Add a script to check for coverage nondeterminism 
Closes ticket 29436.
 2019-02-08 11:22:24 -05:00
Nick Mathewson
f2b646a2b6 Merge branch 'ticket29435_035' into ticket29435_040 2019-02-08 10:47:04 -05:00
Nick Mathewson
192b312c97 Fix coverage script. 
It was looking for object files made with the old automake
directorations, but those changed when we split up our libraries.

Fixes bug 29435; bugfix on 0.3.5.1-alpha.
 2019-02-08 10:43:38 -05:00
rl1987
b53fee4622 Fix SC2086 warning in test_workqueue_*.sh shell scripts 2019-02-08 16:51:49 +02:00
Nick Mathewson
b63404ebba Changes file for ticket29026. 2019-02-08 08:52:46 -05:00
Nick Mathewson
49ec29044d Add more openssl includes to fix no-deprecated compilation 
Closes ticket 29026; patch from Mangix.
 2019-02-08 08:51:23 -05:00
Nick Mathewson
b9abdcd6bc Fix compilation when openssl is compiled without engine support. 
Patch from Mangix. Closes part of ticket 29026.
 2019-02-08 08:50:43 -05:00
Nick Mathewson
7f59b9fb1f Merge branch 'maint-0.3.5' 2019-02-08 08:37:46 -05:00
Nick Mathewson
ab65347819 Merge branch 'ticket29040_1_changes' into maint-0.3.5 2019-02-08 08:37:43 -05:00
Nick Mathewson
eca0f87801 Add changes file for bug 29040. 2019-02-08 08:37:23 -05:00
Nick Mathewson
b1ae2fd65b Merge branch 'maint-0.3.5' 2019-02-08 08:19:34 -05:00
Nick Mathewson
4b36f9676d Merge remote-tracking branch 'tor-github/pr/670' into maint-0.3.5 2019-02-08 08:19:31 -05:00
rl1987
8df6a65e6b Fix shellcheck warning in zero_length_keys.sh 2019-02-07 17:23:23 +02:00
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
rl1987
daff9e1ba1 Fix shellcheck warning in fuzz_static_testcases.sh 2019-02-06 11:01:22 +02:00
rl1987
4e3880607a Add changes file 2019-02-06 10:53:12 +02:00
rl1987
7e415ec05a Fix SC2181 2019-02-06 10:51:54 +02:00
rl1987
2649239c62 Use mktemp to fix SC2186; also, fix SC2006. 2019-02-06 10:27:16 +02:00
rl1987
1fc8bbff9c Fix two instances of SC2004 in nagios-check-tor-authority 2019-02-06 10:20:11 +02:00
Roger Dingledine
bfd1d70243 Merge branch 'maint-0.3.5' 2019-02-05 08:10:43 -05:00