Commit Graph

214 Commits

Author SHA1 Message Date
Nick Mathewson
b94e7de7db Refactor crypto_rsa to use pem module.
This cleans up a lot of junk from crypto_rsa_openssl, and will
save us duplicated code in crypto_rsa_nss (when it exists).

(Actually, it already exists, but I am going to use git rebase so
that this commit precedes the creation of crypto_rsa_nss.)
2018-08-21 12:24:08 -04:00
Nick Mathewson
9566ed6fd9 Add rudimentary support for PEM-encoding, since NSS doesn't do that. 2018-08-21 12:24:08 -04:00
Nick Mathewson
0812f1cbc2 Use a constant for "65537" 2018-08-21 12:24:08 -04:00
Nick Mathewson
824009cde5 Rename openssl-bridging functions in crypto_rsa
These functions exist only to expose RSA keys to other places in Tor
that use OpenSSL; let's be specific about their purpose.
2018-08-21 12:24:08 -04:00
Nick Mathewson
38212d2e40 Remove a redundant function. 2018-08-21 12:24:08 -04:00
Nick Mathewson
0f971d7c91 Rename functions that encode/decode private keys
It is not nice to expose a private key's contents without having the
function name advertise the fact.  Fortunately, we weren't misusing
these yet.
2018-08-21 12:24:08 -04:00
Nick Mathewson
752ffa2197 Extract openssl RSA functionality into its own file. 2018-08-21 12:24:08 -04:00
Nick Mathewson
e56f0c9d33 Adjust windows stubs for new start/finish_daemon() return types 2018-08-14 16:44:59 -04:00
Nick Mathewson
a57c27a1c7 Call crypto_postfork on start_daemon() instead. 2018-08-08 17:32:26 -04:00
Nick Mathewson
622a2c6bee Make finish_daemon() return a boolean to say whether it did anything. 2018-08-08 16:59:53 -04:00
Nick Mathewson
f83b417bf8 Suppress strict-prototypes warning in crypto_nss_mgt.c 2018-08-02 08:41:33 -04:00
Nick Mathewson
727f1676d6 Fix double-link of crypto_openssl_mgt.c 2018-08-02 08:38:59 -04:00
Nick Mathewson
b590cc0449 Add a cast to make clang happier. 2018-08-02 08:36:24 -04:00
Nick Mathewson
a4c0a0e81e Fix issues with crypto_ope compilation now that crypto.h is gone 2018-07-31 19:56:42 -04:00
Nick Mathewson
fdaa483098 Merge branch 'nss_dh_squashed' into nss_dh_squashed_merged 2018-07-31 19:56:23 -04:00
Nick Mathewson
17f922d371 Only link crypto_dh_openssl.c once
(We do this unconditionally, since we still need it for tortls.c)
2018-07-31 19:46:00 -04:00
Nick Mathewson
17ea931ac7 Implement DH in NSS. 2018-07-31 19:46:00 -04:00
Nick Mathewson
32bbc8f6b5 Refactor the dependency between tortls and crypto_dh.
We only ever need this to get us a DH ephemeral key object,
so make a function that does just that.
2018-07-31 19:46:00 -04:00
Nick Mathewson
ac9a470c64 Extract the shared part of crypto_dh_compute_secret. 2018-07-31 19:46:00 -04:00
Nick Mathewson
60a5b78480 Extract the OpenSSL DH functionality to a new file. 2018-07-31 19:46:00 -04:00
Nick Mathewson
2d80673b9a Fix "make distcheck." 2018-07-31 19:46:00 -04:00
Nick Mathewson
76e10ee6b9 Use NSS for AES_CTR. 2018-07-31 19:46:00 -04:00
Nick Mathewson
60705a5719 Use NSS in crypto_rand.c
This is comparatively straightforward too, except for a couple of
twists:

   * For as long as we're building with two crypto libraries, we
     want to seed _both_ their RNGs, and use _both_ their RNGs to
     improve the output of crypto_strongest_rand()

   * The NSS prng will sometimes refuse to generate huge outputs.
     When it does, we stretch the output with SHAKE.  We only need
     this for the tests.
2018-07-31 19:46:00 -04:00
Nick Mathewson
f64c9dccde Use NSS's digest code in Tor.
This was a fairly straightforward port, once I realized which layer
I should be calling into.
2018-07-31 19:46:00 -04:00
teor
e26794ace9 Add TOR_PRIdSZ to torint.h 2018-07-31 11:21:28 +10:00
Nick Mathewson
acb54dee7b Remove a now-obsolete comment about deadcode_dummy__ 2018-07-30 09:09:10 -04:00
Nick Mathewson
70b16bc679 Merge branch 'ticket26890' 2018-07-30 09:08:39 -04:00
Nick Mathewson
13393b2d91 Merge remote-tracking branch 'rl1987/ticket21349_4' 2018-07-30 08:49:49 -04:00
Nick Mathewson
5823e62fa2 Merge branch 'maint-0.3.4' 2018-07-30 08:17:25 -04:00
rl1987
e6c51a056c Make entry_guards_update_primary() shorter 2018-07-21 18:38:33 +03:00
Nick Mathewson
c515dc8d0d Remove over-cleverness from our coverity BUG() definition.
Our previous definition implied that code would never keep running
if a BUG occurred (which it does), and that BUG(x) might be true
even if x was false (which it can't be).

Closes ticket 26890. Bugfix on 0.3.1.4-alpha.
2018-07-20 11:19:54 -04:00
Nick Mathewson
7253603e6b Merge branch 'bug26712' 2018-07-19 12:20:13 -04:00
Nick Mathewson
e2b744ce38 Merge branch 'bug25552_ope_squashed' 2018-07-17 16:19:32 -04:00
George Kadianakis
0140052a35 Make the OPE scheme return CRYPTO_OPE_ERROR on error.
Instead of UINT64_MAX.
2018-07-17 15:57:46 -04:00
George Kadianakis
34a5eb5904 Increase OPE_INPUT_MAX. 2018-07-17 15:57:46 -04:00
Nick Mathewson
3a45f6ffe9 Implementation for a simple order-preserving encryption scheme.
This is meant for use when encrypting the current time within the
period in order to get a monotonically increasing revision counter
without actually revealing our view of the time.

This scheme is far from the most state-of-the-art: don't use it for
anything else without careful analysis by somebody much smarter than
I am.

See ticket #25552 for some rationale for this logic.
2018-07-17 15:57:46 -04:00
Nick Mathewson
d811ce2421 Add postfork support for nss
We need this in our unit tests, since otherwise NSS will notice
we've forked and start cussing us out.

I suspect we'll need a different hack for daemonizing, but this
should be enough for tinytest to work.
2018-07-13 12:35:22 -04:00
Nick Mathewson
c317e78dd7 Initialize and shut down NSS.
This is largely conjectural, based on online documentation for NSS
and NSPR.
2018-07-13 12:35:22 -04:00
Nick Mathewson
f45107e7de Rename crypto.c to crypto_cipher.c (since that's all it still has.) 2018-07-11 14:12:36 -04:00
Nick Mathewson
9010797e63 Remove most includes from crypto.c 2018-07-11 14:02:23 -04:00
Nick Mathewson
922208bd2d Extract and rename crypto_log_errors(). 2018-07-11 13:54:47 -04:00
Nick Mathewson
8e2df98860 Move crypto_add_spaces_to_fp() to crypto_rsa.c 2018-07-11 13:51:26 -04:00
Nick Mathewson
12a1ada158 Move the initialization and cleanup parts of crypto.c
These are now part of crypto_init.c.  The openssl-only parts now
live in crypto_openssl_mgt.c.

I recommend reviewing this patch with -b and --color-moved.
2018-07-11 13:45:49 -04:00
Nick Mathewson
79267bad65 Add a configure switch to build with NSS.
When it is set, include the NSS headers and libraries as
appropriate.  Doesn't actually use them yet, though.
2018-07-11 13:22:20 -04:00
Nick Mathewson
2b52360448 Only use OpenSSL kdf support if it is present.
We have to check for ERR_load_KDF_strings() here, since that's the
only one that's actually a function rather than a macro.

Fixes compilation with LibreSSL.  Fixes bug 26712; bug not in
any released Tor.
2018-07-11 10:19:06 -04:00
Nick Mathewson
5aee26ee46 Move all use cases of micro-revision.i to a single place
That place is git-revision.c; git-revision.c now lives in lib/log.

Also fix the compilation rules so that all object files that need
micro-revision.i depend on it.
2018-07-11 09:52:39 -04:00
Nick Mathewson
537092cdbb Merge branch 'ticket26223' 2018-07-10 20:18:28 -04:00
Nick Mathewson
c90961a923 Document compat_getdelim_. 2018-07-10 20:18:20 -04:00
Nick Mathewson
b6d0e7caa4 Rename tm_cvt to time_to_tm 2018-07-10 15:25:53 -04:00
Nick Mathewson
e7f5f48d68 Rename torlog.[ch] to log.[ch]
Fun fact: these files used to be called log.[ch] until we ran into
conflicts with systems having a log.h file.  But now that we always
include "lib/log/log.h", we should be fine.
2018-07-10 15:20:30 -04:00