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191 Commits

Author SHA1 Message Date
Nick Mathewson
9c3fba5c3b Not every RSA decrypt should warn on failure. 
svn:r1853
 2004-05-12 19:30:28 +00:00
Roger Dingledine
3cdf2d67da it's amazing what a bit of punctuation can do for appearances 
svn:r1843
 2004-05-10 10:27:54 +00:00
Nick Mathewson
c0ea93337d Doxygenate common. 
svn:r1829
 2004-05-10 03:53:24 +00:00
Roger Dingledine
1558fb7650 some patches on the patches 
svn:r1761
 2004-05-01 23:29:20 +00:00
Nick Mathewson
9a041591ac Finish documenting the functions in common 
svn:r1758
 2004-05-01 21:41:23 +00:00
Nick Mathewson
908ccb9dcd Handle windows socket errors correctly; comment most of common. 
svn:r1756
 2004-05-01 20:46:28 +00:00
Nick Mathewson
ddb15b8f67 Remove IVs from cipher code, since AES-ctr has none. 
svn:r1742
 2004-04-28 20:31:32 +00:00
Roger Dingledine
5d1510883e use nick's _ARRAYSIZE abstraction 
svn:r1741
 2004-04-28 20:22:37 +00:00
Nick Mathewson
7055f837ab Make Tor build on win32 with VC6 without warnings. 
svn:r1739
 2004-04-28 20:13:21 +00:00
Nick Mathewson
ac622d94dc Workarounds for a couple of pieces of windows strangeness. 
svn:r1734
 2004-04-28 19:35:12 +00:00
Roger Dingledine
4e0dd5bd33 some compilers don't like an array of length zero 
nick: should we remove support for IVs for now, since we don't
use them and don't plan to use them?


svn:r1732
 2004-04-27 23:50:35 +00:00
Nick Mathewson
f6dbe5a0d4 Refactor crypto error handling to be more like TLS error handling: 
crypto_perror is a no-no, since an operation can set more than one
error.

Also, fix a bug in the unix crypto_seed_rng: mixing stdio with
/dev/urandom is a bad idea, since fopen can make all kinds of weird
extraneous syscalls (mmap, fcntl, stat64, etc.) and since fread tends
to buffer data in big chunks, thus depleting the entropy pool.


svn:r1717
 2004-04-26 18:09:50 +00:00
Roger Dingledine
37192bd25e use tor_assert and PUBLIC_KEY_OK 
but don't use tor_assert inside log.c, to avoid loops


svn:r1696
 2004-04-25 19:59:38 +00:00
Nick Mathewson
70bbd0cafa Add assert on crypto_pk_write_private_key,and macros to make sure we have real keys 
svn:r1694
 2004-04-25 19:21:44 +00:00
Roger Dingledine
6a45028ccb don't warn when private_decrypt_hybrid fails 
svn:r1689
 2004-04-25 04:32:59 +00:00
Nick Mathewson
c44016e86e Merge flagday into main branch. 
svn:r1683
 2004-04-24 22:17:50 +00:00
Nick Mathewson
306adfc8bd Fix two dumb leaks in crypto.c 
svn:r1592
 2004-04-12 05:27:38 +00:00
Nick Mathewson
aa7cfd93e5 Fix base32 implementation; make base32 implementation follow standard; add more tests for base32 
svn:r1574
 2004-04-08 20:56:33 +00:00
Nick Mathewson
f24519e4b9 Set correct address and port mappings on outgoing rendezvous connections 
svn:r1513
 2004-04-06 22:05:49 +00:00
Nick Mathewson
2fc106d210 Force hybrid encryption on for key negotiation 
svn:r1509
 2004-04-06 20:55:46 +00:00
Nick Mathewson
6290d027c9 Continue attack on magic numbers; use new crypto wrappers where possible 
svn:r1504
 2004-04-06 20:16:12 +00:00
Nick Mathewson
12ede0a2c4 use the right variable when comparing hashes; maybe fix "Hash of session" bug 
svn:r1481
 2004-04-05 17:36:30 +00:00
Nick Mathewson
84b9e90d5f i2d_RSAPublicKey advances the pointer it receives past the ASN1-encoded string. 
svn:r1478
 2004-04-05 17:10:48 +00:00
Nick Mathewson
b3c2b62a14 Make "common" no longer depend on or.h 
svn:r1466
 2004-04-03 04:05:12 +00:00
Nick Mathewson
ffc58cd91a Build without warnings against openssl 0.9.6 
svn:r1459
 2004-04-03 02:43:09 +00:00
Nick Mathewson
137b577bbd Refactor the heck out of crypto interface: admit that we will stick with one ciphersuite at a time, make const things const, and stop putting openssl in the headers. 
svn:r1458
 2004-04-03 02:40:30 +00:00
Nick Mathewson
e8345bfced refactor; start adding debugging logs to midpoint rend stuff 
svn:r1445
 2004-04-02 23:30:54 +00:00
Nick Mathewson
cbbd13f789 Add new functions to wrap digest and sign/checksig. 
svn:r1436
 2004-04-01 22:10:33 +00:00
Nick Mathewson
56b3d67149 Separate "generate-DH-key" from "get-DH-key" without breaking old interface 
svn:r1431
 2004-04-01 20:04:54 +00:00
Nick Mathewson
35f531b94f Add helpful hybrid encryption functions 
svn:r1423
 2004-04-01 03:08:35 +00:00
Roger Dingledine
d7cb4d0ae6 make changes that ben laurie suggested 
(ben, was this what you had in mind?)


svn:r1415
 2004-03-31 22:41:25 +00:00
Nick Mathewson
6ea61d5e0d Parse and generate service descriptors 
svn:r1403
 2004-03-31 02:07:38 +00:00
Nick Mathewson
919a8f236e Resolve type-punning warnings 
svn:r1399
 2004-03-30 22:50:49 +00:00
Nick Mathewson
c31f5505da Jump through a hoop, suppress a warning 
svn:r1398
 2004-03-30 22:42:26 +00:00
Nick Mathewson
6ea95488d2 Add more key manipulation functions, and base32 functions, to crypto 
svn:r1395
 2004-03-30 19:47:32 +00:00
Roger Dingledine
c195f69058 isspace and friends take an int. solaris cares. 
svn:r1303
 2004-03-19 20:50:12 +00:00
Roger Dingledine
45a3f6b97c more pesky tabs 
svn:r1265
 2004-03-12 13:02:16 +00:00
Nick Mathewson
9b4203266e Make OP work on windows! (Also misc logging tweaks) 
svn:r1258
 2004-03-11 06:19:08 +00:00
Nick Mathewson
59e2c77824 Get entropy in windows. 
svn:r1257
 2004-03-11 05:14:06 +00:00
Roger Dingledine
20f11f1800 clarifying comment for crypto_pk_get_fingerprint 
svn:r1243
 2004-03-08 00:11:37 +00:00
Roger Dingledine
bc8c6732cb add crypto_cipher_rewind to reverse crypto_cipher_advance 
svn:r957
 2003-12-23 07:43:05 +00:00
Roger Dingledine
389eb48690 document an openssl gotcha 
svn:r947
 2003-12-17 05:31:52 +00:00
Roger Dingledine
f3b165fdc0 change crypto_digest_new_env to crypto_new_digest_env 
(and same with _free_)
to match our conventions
i think our conventions may be getting too ad hoc


svn:r940
 2003-12-16 08:13:26 +00:00
Roger Dingledine
e358a362ee rename digest_copy to digest_dup, make it return, make gcc happier 
svn:r939
 2003-12-16 05:47:21 +00:00
Nick Mathewson
eeae6157ed Add more fine-grained SHA1 functionality. 
svn:r937
 2003-12-16 05:29:04 +00:00
Roger Dingledine
1ae84fcbc1 add a 'smartlist' building block that picks random elements from a list 
svn:r897
 2003-12-13 01:42:44 +00:00
Nick Mathewson
ac552573dd Make router/directory parsing nondestructive and more const-friendly 
svn:r890
 2003-12-08 23:45:37 +00:00
Roger Dingledine
05b9c35173 assert that nobody asks for a random number between 0 and -1 
svn:r875
 2003-12-03 08:08:07 +00:00
Nick Mathewson
5e4b9c6b61 Remove minor biasing problem from crypto_pseudo_rand_int 
svn:r799
 2003-11-12 04:28:30 +00:00
Nick Mathewson
785f5cdac8 Make crypto_pseudo_rand* never fail. 
svn:r797
 2003-11-12 04:12:35 +00:00
Roger Dingledine
36fb8e839d change WARNING to WARN 
svn:r570
 2003-10-10 01:48:03 +00:00
Nick Mathewson
36939303c9 Update LICENSE and copyright dates. 
svn:r560
 2003-10-08 02:04:08 +00:00
Roger Dingledine
bf10a3c0f1 finish enforcing the log convention 
svn:r494
 2003-09-26 22:27:24 +00:00
Nick Mathewson
febb2251ca Add code to parse fingerprint files and compare routers against fingerprint files. 
svn:r490
 2003-09-26 20:41:23 +00:00
Nick Mathewson
a3e08a0119 Bugfixes in crypto_pk_write_private_key_to_filename 
svn:r489
 2003-09-26 18:44:20 +00:00
Nick Mathewson
92acbe12bc Refactor common file code into util.c; add published to descriptors 
svn:r487
 2003-09-26 18:27:35 +00:00
Nick Mathewson
3d4ccb781a Refactor buffers; implement descriptors. 
'buf_t' is now an opaque type defined in buffers.c .

Router descriptors now include all keys; routers generate keys as
needed on startup (in a newly defined "data directory"), and generate
their own descriptors.  Descriptors are now self-signed.

Implementation is not complete: descriptors are never published; and
upon receiving a descriptor, the directory doesn't do anything with
it.

At least "routers.or" and orkeygen are now obsolete, BTW.


svn:r483
 2003-09-25 05:17:11 +00:00
Nick Mathewson
e4dfc3c8fe Cipher lists need to be colon separated. Also make initialization more bulletproof 
svn:r459
 2003-09-15 19:38:52 +00:00
Nick Mathewson
f5b4ef1fa2 Simplify some code paths in TLS; cut down on memory leaks; use 
reasonable ciphers if not everyone has OpenSSL 0.9.7.


svn:r442
 2003-09-11 21:12:39 +00:00
Nick Mathewson
9955b265ab Make crypto structures private to crypto.c 
svn:r437
 2003-09-10 00:47:24 +00:00
Nick Mathewson
fd20011c26 Add initial interfaces and code for TLS support. Interfaces are right; code needs work and testing. 
svn:r424
 2003-09-04 16:05:08 +00:00
Roger Dingledine
58c5d5e918 fix formatting in crypto.c for my sanity 
svn:r411
 2003-08-25 07:06:12 +00:00
Nick Mathewson
c336c99e60 Start of port to win32. Missing are: 
- signal support
  - forking for DNS farm
  - changes for async IO
  - daemonizing

In other words, some files still don't build, and the ones that do build,
do nonblocking IO incorrectly.

I'm also not checking in the project files till I have a good place
for them.


svn:r380
 2003-08-12 03:08:41 +00:00
Nick Mathewson
f12fdd62aa Be smarter about getting key matter from DH. 
Formerly, once we had g^xy, we took the last N bytes from g^xy.

Now, we take SHA(g^xy || [0]) || SHA1(g^xy || [1]) || ... , in order
to use all bits from g^xy equally, and generate as much key material
as we need.


svn:r370
 2003-07-30 19:10:20 +00:00
Nick Mathewson
300984c057 Add AES counter-mode support to the crypt library 
svn:r362
 2003-06-30 19:18:32 +00:00
Roger Dingledine
23b1586c26 clean up a broken comment in crypto.c 
svn:r351
 2003-06-24 21:34:19 +00:00
Roger Dingledine
968d31162b fix typos, streamline 
svn:r337
 2003-06-18 07:44:48 +00:00
Nick Mathewson
95e5384af3 Change many files to new log_fn format 
svn:r333
 2003-06-17 22:18:26 +00:00
Nick Mathewson
769c78a395 Use fread instead of fgets for binary data 
svn:r328
 2003-06-17 20:19:41 +00:00
Nick Mathewson
9182537238 Fix the periodic bug that would make handshaking fail. 
The culprit: sometimes DH_calculate_key returns less than DH_KEY_LEN bytes;
we needed to check the return value.


svn:r322
 2003-06-14 01:30:53 +00:00
Nick Mathewson
d21c0feb5a Add RNG seeding 
svn:r318
 2003-06-13 21:13:37 +00:00
Roger Dingledine
e75dc941a7 don't complain as much when using openssl 0.9.7a 
svn:r308
 2003-06-10 20:50:56 +00:00
Roger Dingledine
59029a3eed replace malloc with tor_malloc; remove broken/unused crypto_pk_set_key 
svn:r292
 2003-05-20 06:37:34 +00:00
Nick Mathewson
afc0eb2c71 Tested backends for directory signing and checking. Directory parser completely refactored. Need documentation and integration. Explanitory mail forthcoming. 
svn:r271
 2003-05-07 18:30:46 +00:00
Nick Mathewson
445cd8f0f1 Decrease DH group length to 1024. (Roger, you may want to read section 1 of the IETF draft: a 1024-bit DH key probably reduces our cipher strength to ~80 bits.) 
svn:r269
 2003-05-07 02:28:42 +00:00
Nick Mathewson
d0ff485e1b More work on directories. Signed directories not yet tested. No support for checking sigs yet 
svn:r268
 2003-05-07 02:13:23 +00:00
Nick Mathewson
6af79f3a03 Basic diffie-helman wrappers with fixed modulus and tests 
svn:r257
 2003-05-01 00:53:46 +00:00
Roger Dingledine
fe1aba7f15 more cleanup 
svn:r242
 2003-04-16 23:22:05 +00:00
Nick Mathewson
acc33c18e2 Tests for crypto; more tests for buffers 
svn:r234
 2003-04-16 15:24:09 +00:00
Nick Mathewson
3a89d27e66 Correct defeatest attitude in crypto_new_cipher_env 
svn:r201
 2003-03-19 21:27:21 +00:00
Nick Mathewson
8ff1c3e21f Refactor block ciphers; add 3des 
svn:r196
 2003-03-19 20:41:15 +00:00
Roger Dingledine
00a9e3732e remove popt dependency, consolidate config stuff 
reformat parts of onion.c


svn:r136
 2002-11-23 06:49:01 +00:00
Nick Mathewson
bef3424bec Add convenience functions to wrap create and init for symmetric ciphers; clean up error handling in onion.c 
svn:r131
 2002-10-02 20:39:51 +00:00
Roger Dingledine
2fa4b5bb53 don't leak memory on pk ops 
svn:r117
 2002-09-27 22:13:22 +00:00
Roger Dingledine
253f0f160e laying the groundwork for dynamic router lists 
revamped the router reading section

reference counting for crypto pk env's (so we can dup them)

we now read and write pem pk keys from string rather than from FILE*,
  in anticipation of fetching directories over a socket
  (so now on startup we slurp in the whole file, then parse it as a string)

fixed a bug in the proxy side, where you could get some circuits
  wedged if they showed up while the connection was being made


svn:r110
 2002-09-24 10:43:57 +00:00
Roger Dingledine
f9f3e2f120 slight optimization on rsa exponent 
use 2**16+1 rather than 2**16 + 2**(-1)


svn:r99
 2002-09-05 19:04:47 +00:00
Nick Mathewson
4c761e4537 Backport to OpenSSL version 0.9.5 
svn:r91
 2002-09-03 19:16:02 +00:00
Nick Mathewson
fdb31225b7 Port to MacOS X 
svn:r88
 2002-09-03 18:44:24 +00:00
Matej Pjafjar
01aadefbfc Changed crypto calls to go through common/crypto.[hc] instead of calling OpenSSL directly. 
svn:r76
 2002-08-22 07:30:03 +00:00
Matej Pjafjar
e01522bbed Added the crypto abstraction to libor. Need to test and change the code to use this instead of OpenSSL. 
svn:r74
 2002-07-25 08:17:22 +00:00
Matej Pjafjar
5af5a96343 Beginnings of a crypto abstraction layer. 
svn:r73
 2002-07-24 14:02:39 +00:00