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759 Commits

Author SHA1 Message Date
Valerio Setti
045d680054 driver-only-builds: enhancing cipher related sections 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-29 15:42:22 +01:00
Valerio Setti
f333b3fbde driver-only-builds: fix typos 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-29 15:08:39 +01:00
Valerio Setti
92e5c693ba driver-only-builds: updated ciphers and AEADs related sections 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-28 13:28:03 +01:00
Valerio Setti
49067d7d0e driver-only-builds: update documentation 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-21 17:07:10 +01:00
Valerio Setti
8c1e6bbcdc driver-only-builds: fix typos 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-21 15:02:48 +01:00
Valerio Setti
66134661cd driver-only-builds: add Restrictions section 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-20 17:06:13 +01:00
Valerio Setti
af53132e44 driver-only-builds: enhancing section on removing CIPHER_C 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-20 15:56:09 +01:00
Valerio Setti
3fab8a4deb driver-only-builds: fix typos 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-20 14:25:37 +01:00
Valerio Setti
5eb8de12cb driver-only-build: remove paragraph about RSA/DH deterministic key generation 
This feature is not supported at all in MbedTLS, driver or not.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-20 11:59:32 +01:00
Valerio Setti
7e11dd6ec6 driver-only-builds: add section for accelerated ciphers/AEADs 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-18 15:52:44 +01:00
Valerio Setti
acd7bafcbb driver-only-build: update AEADs section 
Note: this section shouldn't actually be updated in #8357, but
rather in #8358 which is the wrapup related to cipher and AEADs
accelaration. As a consequence we start the AEAD section with
a disclaimer explaining that the information written there will
be updated soon by a follow up PR.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-06 15:17:12 +01:00
Valerio Setti
20e93a2a9d driver-only-builds: update documentation for AEADs 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-12-04 15:24:25 +01:00
Dave Rodgman
16799db69a update headers 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2023-11-02 19:47:20 +00:00
Tom Cosgrove
6dcb63bc6d Fix broken link to psa-driver-example-and-guide in psa-driver-wrappers-codegen-migration-guide.md 
Fixes #8453

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
 2023-10-31 15:39:25 +00:00
Janos Follath
a365efc6f1 Threading design: fix internal links 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-26 10:22:55 +01:00
Janos Follath
54bd71b40f Update operation threading strategy 
The library does not need to provide protection, leave it to the crypto
service.

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-23 10:30:50 +01:00
Janos Follath
e604269a59 Threading Design: emphasise performance requirement 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-23 10:16:58 +01:00
Janos Follath
23f7e41633
Threading design: improve language 
Co-authored-by: Paul Elliott <62069445+paul-elliott-arm@users.noreply.github.com>
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-23 10:11:18 +01:00
Janos Follath
49d467c37d Threading design: update and clarify 3.6 plan 
- Separation of attr and slot state is added
- Driver support is cut back

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-20 15:41:40 +01:00
Janos Follath
de0e3e352d Threading design: Update empty slot tracking 
Using a dedicated field allows clean separatin between key attributes
and slot state. This allows us to use the same mechanics for attributes
and key content. Which in turn means lower code size and easier
maintenance.

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-20 15:12:42 +01:00
Janos Follath
52586895f7 Clarify threading design document structure 
Separate design analysis from plans and make the distinction clear
between what is implemented, what is planned to be implemented soon,
what is planned to be implemented in the future, and what is ideas that
are rejected.

(The distinction between the last two categories doesn't have to be
clear, we can't and shouldn't plan that far ahead.)

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-20 14:26:57 +01:00
Janos Follath
19192a5158 Clarify reentrancy requirements for drivers 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-20 13:16:48 +01:00
Janos Follath
d7a39ae21e Add plan for 3.6 to threading design 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-17 14:34:26 +01:00
Janos Follath
574100bb0d Add clarifications to thread safety design 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-17 12:50:28 +01:00
Janos Follath
811a954383 Add reentrancy section to thread safety design 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-17 12:50:21 +01:00
Janos Follath
28b4da954b Add PSA threading design 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-10-10 15:15:55 +01:00
Gilles Peskine
32743619a2
Merge pull request #8114 from yanesca/threading_requirements_update 
Refine thread safety requirements
 2023-10-09 11:22:59 +00:00
Manuel Pégourié-Gonnard
8c40f3dfad Formatting fixes 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-09-28 11:06:09 +02:00
Manuel Pégourié-Gonnard
140c08e325 Minor clarifications. 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-09-28 11:02:37 +02:00
Manuel Pégourié-Gonnard
89ae266e5a Update docs/driver-only-builds.md 
Latest changes:
- logic about the relationship between curves, key types and algs (8075)
- building without bignum is no longer "coming soon", it's there :)

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-09-28 08:53:05 +02:00
Manuel Pégourié-Gonnard
dfa42b34ab Improve documentation about driver-only p256-m. 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-09-28 08:53:05 +02:00
Manuel Pégourié-Gonnard
789000b2be Update list of p256-m entry points 
There was a bit of a race condition between #8041 which introduced the
new entry points, and #8203 which documented the list of entry points.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-09-28 08:51:51 +02:00
Dave Rodgman
0fc86b2ddf
Merge pull request #8075 from valeriosetti/issue8016 
driver-only ECC: curve acceleration macros
 2023-09-27 14:39:02 +00:00
Manuel Pégourié-Gonnard
f7dc6cfef1 Document limitation on "mixed" builds 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-09-27 10:34:52 +02:00
Xiaokang Qian
db3035b8bc Fix a typo in psa-crypto-implementation-structure.md 
Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
 2023-09-26 09:09:20 +00:00
Xiaokang Qian
76e55a20dd Change the documenti about psa_crypto_driver_wrappers.c{h} 
Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
 2023-09-26 09:09:20 +00:00
Xiaokang Qian
1198e43644 Change the description of auto-generated driver dispatch files 
Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
 2023-09-26 09:09:20 +00:00
Xiaokang Qian
845693c513 Change comments to psa_crypto_driver_wrappers.h 
Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
 2023-09-26 09:09:20 +00:00
Manuel Pégourié-Gonnard
030f11b0b1 Type fixes and wording improvements 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-09-24 09:48:47 +02:00
Manuel Pégourié-Gonnard
1f61b7b8ea Document driver-only hashes 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2023-09-24 09:48:46 +02:00
Gilles Peskine
efaee9a299 Give a production-sounding name to the p256m option 
Now that p256-m is officially a production feature and not just an example,
give it a more suitable name.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-09-20 20:49:47 +02:00
Gilles Peskine
452beb9076
Merge pull request #8203 from gilles-peskine-arm/p256-m-production 
Declare p256-m as ready for production
 2023-09-20 09:36:05 +00:00
Paul Elliott
3d0bffb257 Improve statement in driver-only-builds.md 
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2023-09-13 15:15:37 +01:00
Gilles Peskine
6f784dff49 Reflect the fact p256-m has been integrated into Mbed TLS 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-09-13 15:32:30 +02:00
Valerio Setti
7373a6644d driver-only-builds.md: fix text 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
 2023-09-04 16:16:11 +02:00
Janos Follath
b4527fbd82 Add clarifications to the threading requirements 
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-08-31 14:01:24 +01:00
Janos Follath
b6954730f0
Fix typo 
Co-authored-by: Ronald Cron <ronald.cron@arm.com>
Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-08-31 13:54:21 +01:00
Janos Follath
35633dd977 Add threading non-requirement 
State explicitly the non-requirement that it's ok for psa_destroy_key to
block waiting for a driver.

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-08-31 08:31:19 +01:00
Janos Follath
15d9ec29be Improve thread safety presentation 
- Use unique section titles so that there are unique anchors
- Make list style consistent between similar sections

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-08-31 08:22:21 +01:00
Janos Follath
0385c2815c Tighten thread safety requirements 
We shouldn't violate the requirement that the key identifier can be
reused. In practice, a key manager may destroy a key that's in use by
another process, and the privileged world containing the key manager and
the crypto service should not be perturbed by an unprivileged process.

With respect to blocking, again, a key manager should not be blocked
indefinitely by an unprivileged application.

These are desirable properties even in the short term.

Signed-off-by: Janos Follath <janos.follath@arm.com>
 2023-08-30 16:44:04 +01:00