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38 commits

Author SHA1 Message Date
Hubert Chathi
631f050554 add a test for fallback keys, and clear memory when we forget the old fallback 2021-11-23 22:35:10 +00:00
Hubert Chathi
29e0287ef3 add function to forget the old fallback key 2021-11-23 22:35:10 +00:00
Hubert Chathi
4127a84b3d add function for getting length of unpublished fallback keys 
and fix a typo
 2021-11-23 22:35:10 +00:00
Hubert Chathi
b989db0117 track if fallback keys were published 2021-11-23 22:35:10 +00:00
Denis Kasak
bdd73c5c32 Fix unpickling error handling. 2021-07-31 01:27:43 +00:00
Hubert Chathi
37c8e14e53 make functions const where possible 2021-06-16 23:22:25 -04:00
Tobias Furuholm
541a2bf6fd Fix length calculation of fallback key json 2020-11-24 13:47:27 -05:00
Hubert Chathi
c47c6ca399 fix style 2020-09-16 16:14:23 -04:00
Hubert Chathi
171044f3fc add support for fallback keys 2020-08-14 17:29:41 -04:00
Alexey Rusakov
3c33180fe3 Avoid C99 inside C++ code 
This disrupts building at least with Visual Studio.

Signed-off-by: Alexey Rusakov <ktirf@users.sf.net>
 2017-09-29 09:35:04 +01:00
Richard van der Hoff
833ecd3c73 Convert ed25519 pickling functions to C 
... so that I can use them from the group session bits.
 2016-09-05 12:59:12 +01:00
Richard van der Hoff
f0acf6582f Convert Ed25519 and Curve25519 functions to plain C 2016-09-05 10:40:39 +01:00
Richard van der Hoff
39212987bd Create new constants for key lengths, etc 
We were using olm::KEY_LENGTH for everything under the sun which happened to be
32 bytes long, and making a bunch of assumptions in the process. Create a bunch
of new constants (as C #defines rather than C++ consts so that I can use them
in another forthcoming refactor).
 2016-09-02 15:11:14 +01:00
Richard van der Hoff
0c462cff11 Fix Ed25519 keypair generation 
Ed25519 private keys, it turns out, have 64 bytes, not 32.

We were previously generating only 32 bytes (which is all that is required to
generate the public key), and then using the public key as the upper 32 bytes
when generating the per-message session key. This meant that everything
appeared to work, but the security of the private key was severely compromised.

By way of fixes:

 * Use the correct algorithm for generating the Ed25519 private key, and store
   all 512 bits of it.

 * Update the account pickle format and refuse to load the old format (since we
   should consider it compromised).

 * Bump the library version, and add a function to retrieve the library
   version, so that applications can verify that they are linked against a
   fixed version of the library.

 * Remove the curve25519_{sign, verify} functions which were unused and of
   dubious quality.
 2016-09-01 13:35:23 +01:00
Richard van der Hoff
f9139dfa6a Convert error.hh to plain C 2016-05-23 18:55:05 +01:00
Richard van der Hoff
3965320a9c Remove logging functionality 
Concerns have been raised that including logging functionality makes it harder
to audit the implementation to ensure that no secret information is leaked. We
are therefore removing it from the master branch.
 2016-05-16 11:13:54 +01:00
Richard van der Hoff
b3db0e6ee1 translate logging.cpp to C 2016-05-16 11:05:57 +01:00
Richard van der Hoff
9848f84452 Add some logging to help understand what's going on 2016-04-26 17:55:26 +01:00
Mark Haines
b318055185 Replace hard coded references to the 32-byte key length with a constant, add utilities for copying data to and from fixed sized arrays 2015-08-19 17:32:06 +01:00
Mark Haines
159faa1e2b Make the internal functions static, remove some unused internal functions 2015-08-18 17:09:55 +01:00
Mark Haines
5ad929104e Version the pickled objects and check for errors when unpickling them 2015-07-10 18:00:18 +01:00
Mark Haines
b6e248c9a5 Output simpler JSON for the account keys, don't sign the JSON but instead provide a olm_account_sign method so that the user of the library can sign the JSON themselves 2015-07-10 11:57:53 +01:00
Mark Haines
373acefde7 Add c bindings for the methods for managing one time keys 2015-07-09 18:35:54 +01:00
Mark Haines
5634be0507 Add methods for generating new one time keys and for tracking which one time keys have been published 2015-07-09 16:09:16 +01:00
Mark Haines
0e988237f6 Don't pass a key id when creating a new outbound session 2015-07-08 16:04:18 +01:00
Mark Haines
532dc0d4e7 Change the JSON format for one time keys to include what algorithm they are for 2015-07-08 15:30:34 +01:00
Mark Haines
5291ec78b5 Send the public part of the one time key rather than passing an identifier 2015-07-08 14:53:25 +01:00
Mark Haines
974e0984bd Update the javascript bindings and demo to match the format of the identity key JSON 2015-07-08 11:16:00 +01:00
Mark Haines
3a382aec59 Encode the account keys as a signed JSON object 2015-07-07 16:42:03 +01:00
Mark Haines
a30a64d179 Rename generate_key to curve25519_generate_key 2015-07-07 09:03:12 +01:00
Mark Haines
f1cd5613f6 Remove the last resort one time key 2015-07-07 09:01:38 +01:00
Mark Haines
667e415c74 Removed SignedKey class 2015-07-07 08:56:18 +01:00
Matthew Hodgson
09d4125ff1 Rename axolotlpp as olm to avoid confusion with Axolotl-the-spec and Axolotl-the-OWS-libraries at moxie's request 2015-06-27 01:15:23 +02:00
Mark Haines
f10c04d62d reduce the number of one time keys that get generated when we create an account 2015-06-23 17:49:04 +01:00
Mark Haines
043bc43716 Copyright Notices 2015-06-22 17:50:56 +01:00
Mark Haines
408530adf9 Add API for removing used one time keys 2015-06-22 11:02:42 +01:00
Mark Haines
026e4394bb Implement creating a new account 2015-06-15 17:47:22 +01:00
Mark Haines
6fe3b7eb73 Move utils for pickling into a separate file 2015-06-12 16:15:37 +01:00