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Author SHA1 Message Date
Manuel Pégourié-Gonnard
77c0646ef2 Add cache for EC J-PAKE client extension 
Not used yet, just add the variables and cleanup code.
 2015-09-17 13:59:49 +02:00
Manuel Pégourié-Gonnard
0f1660ab4f Implement key exchange messages and PMS derivation 
This completes the first working version. No interop testing done yet.
 2015-09-16 22:58:30 +02:00
Manuel Pégourié-Gonnard
25dbeb002d Skip certificate-related messages with ECJPAKE 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
0a1324aaa1 Add client-side extension parsing 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
55c7f99112 Add server writing of the extension 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
bf57be690e Add server extension parsing 
Only accept EC J-PAKE ciphersuite if extension was present and OK (single flag
for both), and ignore extension if we have no password.
 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
e511b4e7cb Ignore ECJPAKE suite if not configured on server 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
c1b46d0242 Fix bug in server parsing point formats extension 
This bug becomes noticeable when the extension following the "supported point
formats" extension has a number starting with 0x01, which is the case of the
EC J-PAKE extension, which explains what I noticed the bug now.

This will be immediately backported to the stable branches,
see the corresponding commits for impact analysis.
 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
60884a1597 Improve debug formatting of ciphersuites 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
eef142d753 Depend on ECJPAKE key exchange, not module 
This is more consistent, as it doesn't make any sense for a user to be able to
set up an EC J-PAKE password with TLS if the corresponding key exchange is
disabled.

Arguably this is what we should de for other key exchanges as well instead of
depending on ECDH_C etc, but this is an independent issue, so let's just do
the right thing with the new key exchange and fix the other ones later. (This
is a marginal issue anyway, since people who disable all ECDH key exchange are
likely to also disable ECDH_C in order to minimize footprint.)
 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
ddf97a6c92 Skip ECJPAKE suite in ClientHello if no pw set up 
When we don't have a password, we want to skip the costly process of
generating the extension. So for consistency don't offer the ciphersuite
without the extension.
 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
538cb7b0b4 Add the ECJPAKE ciphersuite 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
557535d8c4 Add ECJPAKE key exchange 2015-09-16 22:58:29 +02:00
Manuel Pégourié-Gonnard
294139b57a Add client extension writing 2015-09-16 16:10:48 +02:00
Manuel Pégourié-Gonnard
b813accf84 Add mbedtls_ecjpake_check(), tells if set up 
This will be used in SSL to avoid the computation-heavy processing of EC
J-PAKE hello extensions in case we don't have an EC J-PAKE password
 2015-09-16 16:10:48 +02:00
Manuel Pégourié-Gonnard
7002f4a560 Add mbedtls_ssl_set_hs_ecjpake_password() 2015-09-16 16:10:48 +02:00
Manuel Pégourié-Gonnard
76cfd3f97f Add EC J-PAKE context in handshake structure 2015-09-15 18:24:08 +02:00
Manuel Pégourié-Gonnard
f472179d44 Adjust dependencies for EC extensions 
The Thread spec says we need those for EC J-PAKE too.
However, we won't be using the information, so we can skip the parsing
functions in an EC J-PAKE only config; keep the writing functions in order to
comply with the spec.
 2015-09-15 18:22:00 +02:00
Manuel Pégourié-Gonnard
d9802af1d0 Add tests for round 2 
Also move one check earlier as it makes more sense
 2015-09-07 12:43:11 +02:00
Manuel Pégourié-Gonnard
3059095e86 Complete tests for reading round one 
Also change the code to forbid public keys being 0
 2015-09-07 12:43:11 +02:00
Manuel Pégourié-Gonnard
d0d8a935b2 Blind operations on the secret 
I'm not sure this is necessary, because it is only multiplied by xm2 which is
already random and secret, but OTOH, xm2 is related to a public value, so
let's add blinding with a random value that's only use for blinding, just to
be extra sure.
 2015-09-07 12:43:11 +02:00
Manuel Pégourié-Gonnard
c907081a20 Polish the source 2015-09-07 12:43:11 +02:00
Manuel Pégourié-Gonnard
f7368c983a Polish API and documentation 2015-09-07 12:43:11 +02:00
Manuel Pégourié-Gonnard
e1927101fb Unify round two 2015-09-07 12:43:11 +02:00
Manuel Pégourié-Gonnard
d8204a7bea Provide symmetric API for the first round 2015-09-07 12:43:11 +02:00
Manuel Pégourié-Gonnard
e2d3a4e1b4 Unify loading of test vectors in tests 2015-09-07 12:43:11 +02:00
Manuel Pégourié-Gonnard
ce4567614b Rename variable to prepare for cli/srv unification 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
6b798b9dae Tune up some comments 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
e0ad57b0b3 Replace explicit IDs with table look-ups 
That's a first step towards merging symmetric version of different functions
 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
5f18829609 Add derive_pms, completing first working version 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
6449391852 Store our role in the context 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
614bd5e919 Add write_client_params 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
ec0eece2ba Add read_client_params 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
bed9e41761 Add writing of server params 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
8d31e80da4 Improve testing strategy 
- reference handshake tests that we get the right values (not much now, but
  much more later when we get to deriving the PMS)
- random handshake in addition tests our generate/write functions against our
  read functions, that are tested by the reference handshake, and will be
further tested in the test suite later against invalid inputs
 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
1a7c5ef42b Optimize some case of mbedtls_ecp_muladd() 
Those are used by EC-JPAKE
 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
cb7cd03412 Add first draft or read_server_params 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
23dcbe3f16 Add support for passphrase in the context 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
4e8bc78ad9 Add context-using functions for Hello extensions 
Also re-order functions in the header so that they appear in the order they're
use, ie free() last.
 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
7af8bc1007 Start introducing mbedtls_ecjpake_context 2015-09-07 12:43:10 +02:00
Manuel Pégourié-Gonnard
3aed1851b3 Re-order functions. 
Use the same order for all read-write pair of functions
 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
9028c5af9a Improve const correctness of read() functions 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
082767ff0c Add ecjpake_kkpp_read/write 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
4f2cd95e1d Fix potential memory leaks 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
b1b250b68c Add ecjpake_kkp_read/write() 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
967cd7192d Add test vector for ZKP verification 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
6029a85572 Add ecjpake_zpk_read() 
Not really tested yet
 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
c618195bc4 Fix base point in ecjpake_write_zkp() 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
d9a3f47ecd Add mbedtls_ecp_gen_keypair_base() 2015-09-07 12:43:09 +02:00
Manuel Pégourié-Gonnard
8489f17277 First draft of ecjpake_write_zkp() 2015-09-07 12:43:09 +02:00