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Author SHA1 Message Date
Gilles Peskine
b26696bafb Simplify mbedtls_debug_print_mpi and fix the case of empty bignums 
Rewrite mbedtls_debug_print_mpi to be simpler and smaller. Leverage
mbedtls_mpi_bitlen() instead of manually looking for the leading
zeros.

Fix #4608: the old code made an invalid memory dereference when
X->n==0 (freshly initialized bignum with the value 0).

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-17 21:46:29 +02:00
Gilles Peskine
b1940a76ad In TLS, order curves by resource usage, not size 
TLS used to prefer larger curves, under the idea that a larger curve has a
higher security strength and is therefore harder to attack. However, brute
force attacks are not a practical concern, so this was not particularly
meaningful. If a curve is considered secure enough to be allowed, then we
might as well use it.

So order curves by resource usage. The exact definition of what this means
is purposefully left open. It may include criteria such as performance and
memory usage. Risk of side channels could be a factor as well, although it
didn't affect the current choice.

The current list happens to exactly correspond to the numbers reported by
one run of the benchmark program for "full handshake/s" on my machine.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-17 21:46:29 +02:00
Gilles Peskine
5752e599b3 Reduce the default ECP window size 
MBEDTLS_ECP_WINDOW_SIZE is a compromise between memory usage (growing based
on the value) and performance (faster with larger values). There are
disminishing returns as the value grows larger. Based on Manuel's benchmarks
recorded in https://github.com/ARMmbed/mbedtls/issues/4127, 4 is a good
compromise point, with larger values bringing little advantage. So reduce
the default from 6 to 4.

Document the default value as in optimized for performance mostly, but don't
document the specific value, so we may change it later or make it
platform-dependent.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-17 21:46:29 +02:00
Gilles Peskine
3758fd6b79 Changelog entry and migration guide for hash and curve profile upgrades 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-17 21:46:14 +02:00
Gilles Peskine
532327b429
Merge pull request #4576 from gilles-peskine-arm/psa_key_derivation-bad_workflow-20210527 
PSA key derivation bad-workflow tests
 2021-06-17 09:55:39 +02:00
Gilles Peskine
17575dcb03
Merge pull request #4629 from TRodziewicz/rename_functions_whose_deprecated_variants_have_been_removd 
Rename the _ret() functions
 2021-06-15 20:32:07 +02:00
Manuel Pégourié-Gonnard
8cad2e22fc
Merge pull request #4595 from gilles-peskine-arm/alt-dummy-headers-3.0 
Lighten and test constraints on context types in alternative implementations
 2021-06-15 12:12:46 +02:00
TRodziewicz
28a4a963fc Corrections to the docs wording and changes to aux scripts 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-15 00:18:32 +02:00
Gilles Peskine
f35c42bdb9 Document the remaining constraints on ALT context types 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-15 00:14:28 +02:00
Gilles Peskine
cd07e22048 New function mbedtls_ecjpake_set_point_format 
Use this instead of accessing the field directly.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-15 00:12:37 +02:00
Gilles Peskine
71acc6e8d9 New function mbedtls_dhm_get_value to copy a field of a DHM context 
Reduce the need to break the DHM abstraction by accessing the context directly.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-15 00:12:37 +02:00
Gilles Peskine
487bbf6805 DHM: new functions to query the length of the modulus 
Add two functions mbedtls_dhm_get_len() and mbedtls_dhm_get_bitlen() to
query the length of the modulus in bytes or bits.

Remove the len field: the cost of calling mbedtls_dhm_get_len() each time
it's needed is negligible, and this improves the abstraction of the DHM
module.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-15 00:12:37 +02:00
Gilles Peskine
a1b44dd808 Changelog entry for MBEDTLS_ECP_MAX_BITS automatic determination 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-15 00:10:37 +02:00
TRodziewicz
3946f79cab Correction according to code review (function and param. names change 
and docs rewording)

Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-14 13:46:21 +02:00
TRodziewicz
8476f2f30a Turn _SSL_SRV_RESPECT_CLIENT_PREFERENCE config option to a runtime option 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-14 11:56:20 +02:00
TRodziewicz
1fcd72e93c change log and migr. guide fixes and _DEPRECATED_REMOVED removed 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-14 11:16:06 +02:00
Gilles Peskine
b1edaec18f Fix missing state check for tls12_prf output 
Fix PSA_ALG_TLS12_PRF and PSA_ALG_TLS12_PSK_TO_MS being too permissive
about missing inputs.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-11 22:41:46 +02:00
Ronald Cron
57864faf84
Merge pull request #4634 from Patater/mbed-can-do-timing 
config: Allow Mbed to implement TIMING_C
 2021-06-11 09:14:13 +02:00
Gilles Peskine
02b76b7d18
Merge pull request #4619 from TRodziewicz/remove_MBEDTLS_X509_CHECK_x_KEY_USAGE_options 
Remove MBEDTLS_X509_CHECK_*_KEY_USAGE options but enable the code
 2021-06-10 17:43:36 +02:00
Jaeden Amero
197496af69 config: Allow Mbed to implement TIMING_C 
Mbed OS now provides POSIX-like time functions, although not alarm() nor
signal(). It is possible to implement MBEDTLS_TIMING_ALT on Mbed OS, so
we should not artificially prevent this in check-config. Remove the the
check that prevents implementing MBEDTLS_TIMING_ALT on Mbed OS.

Note that this limitation originally was added in the following commit,
although there isn't much context around why the restriction was
imposed: 63e7ebaaa1 ("Add material for generating yotta module"). In
2015, Mbed OS was quite a different thing: no RTOS, no threads, just an
asynchronous event loop model. I'd suppose the asynchronous event loop
model made it difficult before to implement MBEDTLS_TIMING_C on Mbed OS,
but that is no longer the case.

Fixes #4633

Signed-off-by: Jaeden Amero <jaeden.amero@arm.com>
 2021-06-09 13:47:27 +01:00
TRodziewicz
b8367380b1 Addition of the migration guide 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-09 13:31:42 +02:00
TRodziewicz
3ecb92e680 Remove _X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-09 13:28:16 +02:00
TRodziewicz
1e66642d68 Addition of change log and migration guide files. 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-09 11:25:28 +02:00
Ronald Cron
6fe1bc3f24 Add change log and migration guide 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-06-08 14:11:19 +02:00
Manuel Pégourié-Gonnard
caa0e93f08
Merge pull request #4617 from daverodgman/cmake-version 
Document minimum tool versions for 3.0
 2021-06-08 11:38:03 +02:00
Manuel Pégourié-Gonnard
16fdab79a5
Merge pull request #4382 from hanno-arm/max_record_payload_api 
Remove MFL query API and add API for maximum plaintext size of incoming records
 2021-06-08 11:07:27 +02:00
Manuel Pégourié-Gonnard
dacd044938
Merge pull request #4516 from TRodziewicz/Remove__CHECK_PARAMS_option 
Remove MBEDTLS_CHECK_PARAMS option
 2021-06-08 09:30:48 +02:00
Gilles Peskine
8d4e32b888
Merge pull request #4522 from mpg/fix-ssl-cf-hmac-alt-dev 
Fix misuse of MD API in SSL constant-flow HMAC
 2021-06-07 20:53:33 +02:00
TRodziewicz
0730cd5d9e Merge branch 'development' into Remove__CHECK_PARAMS_option 2021-06-07 15:41:49 +02:00
TRodziewicz
442fdc22ea Remove MBEDTLS_X509_CHECK_*_KEY_USAGE options but enable the code 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-07 13:52:23 +02:00
Manuel Pégourié-Gonnard
13a9776676 Editorial improvements 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-06-07 12:00:04 +02:00
Manuel Pégourié-Gonnard
3b5a7c198c Update ChangeLog and migration guide 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-06-07 11:13:34 +02:00
Dave Rodgman
f21e4621f8 Changelog entry for updated tool versions 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-06-07 09:18:50 +01:00
Manuel Pégourié-Gonnard
0c1a42a147
Merge pull request #4611 from gilles-peskine-arm/random-range-uniformity-3.0 
Fix non-uniform random generation in a range
 2021-06-04 10:43:15 +02:00
Manuel Pégourié-Gonnard
f9f9cc217c
Merge pull request #4579 from tom-daubney-arm/rm_ecdh_legacy_context_config_option 
Remove `MBEDTLS_ECDH_LEGACY_CONTEXT` config option
 2021-06-04 10:02:59 +02:00
Gilles Peskine
9367f4b1d9 Add changelog entry for non-uniform MPI random generation 
Fix #4245.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-03 18:10:04 +02:00
Gilles Peskine
fdc58c1e8b Changelog entry for adding mbedtls_mpi_random() 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-06-03 18:10:04 +02:00
Manuel Pégourié-Gonnard
84191eab06
Merge pull request #4315 from Kxuan/feat-pre-compute-tls 
Static initialize comb table
 2021-06-03 11:41:54 +02:00
kXuan
782c2b9f36
fix comment, ChangeLog & migration-guide for MBEDTLS_ECP_FIXED_POINT_OPTIM 
Signed-off-by: kXuan <kxuanobj@gmail.com>
 2021-06-03 15:47:40 +08:00
Thomas Daubney
adb93d732f Adds ChangeLog entry 
Commit adds required ChangeLog entry.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
 2021-06-02 13:45:57 +01:00
Manuel Pégourié-Gonnard
1b1327cc0d
Merge pull request #4581 from TRodziewicz/remove_supp_for_extensions_in_pre-v3_X.509_certs 
Remove MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 option
 2021-06-02 13:48:03 +02:00
Manuel Pégourié-Gonnard
df77624ab5
Merge pull request #4490 from TRodziewicz/Combine__SSL_<CID-TLS1_3>_PADDING_GRANULARITY_options 
Combine _SSL_<CID-TLS1_3>_PADDING_GRANULARITY options
 2021-06-02 13:47:48 +02:00
Manuel Pégourié-Gonnard
1b3b27cbb0
Merge pull request #4587 from TRodziewicz/remove_3DES_ciphersuites 
Remove 3DES ciphersuites
 2021-06-02 11:01:42 +02:00
Gilles Peskine
fe3069b7f1
Merge pull request #4585 from mpg/cipher-aead-delayed 
Clarify multi-part AEAD calling sequence in Cipher module
 2021-06-01 12:04:19 +02:00
TRodziewicz
f059e74a22 Re-wording ChangeLog and reverting overzealous removal from config.h 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-06-01 11:17:07 +02:00
Manuel Pégourié-Gonnard
c01b87b820 Fix some typos 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-06-01 09:40:53 +02:00
kXuan
22fc906d57
Add ChangeLog and migration guide for MBEDTLS_ECP_FIXED_POINT_OPTIM 
Signed-off-by: kXuan <kxuanobj@gmail.com>
 2021-06-01 14:01:59 +08:00
Manuel Pégourié-Gonnard
6d84e917bb
Merge pull request #4568 from creiter32/to_upstream/csr_critical_extensions 
Expose flag for critical extensions
 2021-05-31 12:46:59 +02:00
Manuel Pégourié-Gonnard
ee57ebe553 Add ChangeLog and migration guide entries 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-05-31 12:25:01 +02:00
TRodziewicz
3670e387dc Remove 3DES ciphersuites 
Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
 2021-05-31 12:11:53 +02:00