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Author SHA1 Message Date
Dave Rodgman
017a19997a Update references to old Github organisation 
Replace references to ARMmbed organisation with the new
org, Mbed-TLS, following project migration.

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2022-03-31 14:43:16 +01:00
Ronald Cron
8f6d39a81d Make some handshake TLS 1.3 utility routines available for TLS 1.2 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2022-03-29 14:42:17 +02:00
Gilles Peskine
fdfc10b250
Merge pull request #4408 from gilles-peskine-arm/storage-format-check-mononicity 
Check storage format tests for regressions
 2022-03-07 17:02:34 +01:00
Gilles Peskine
e356f075f5
Merge pull request #5512 from gilles-peskine-arm/psa-driver-interface-tweaks-202201 
PSA driver description spec: minor tweaks to the JSON format
 2022-03-01 20:46:14 +01:00
Gilles Peskine
790f7428d2 Storage format test regressions are now checked mechanically 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2022-02-22 19:16:42 +01:00
Jerry Yu
bd19287a8e fix docs issue 
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
 2022-02-21 09:06:00 +08:00
Jerry Yu
adb1869f8d fix document about tls13 
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
 2022-02-21 09:06:00 +08:00
Jerry Yu
72a0565e13 docs: Add version support description 
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
 2022-02-21 09:06:00 +08:00
Ronald Cron
87829e5429 Fix documentation 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2022-02-14 16:31:33 +01:00
Ronald Cron
4279bac965 Document TLS 1.3 MVP limitation regarding MBEDTLS_USE_PSA_CRYPTO 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2022-02-11 15:10:22 +01:00
Manuel Pégourié-Gonnard
c70013e4bc Clarify the trailer field situation 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-10 13:16:50 +01:00
Manuel Pégourié-Gonnard
c7f3254379 Clarify a sentence 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-10 13:00:33 +01:00
Manuel Pégourié-Gonnard
58d101b721 Fix a few more typos 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-10 12:58:09 +01:00
Manuel Pégourié-Gonnard
2c5fbad479
Merge pull request #5004 from mpg/doc-psa-migration 
Document PSA migration strategy
 2022-02-09 12:07:12 +01:00
Manuel Pégourié-Gonnard
839bb8a238 Fix an inaccuracy 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-08 10:33:41 +01:00
Manuel Pégourié-Gonnard
80759c4917 Fix a few more typos 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-08 10:33:11 +01:00
Gilles Peskine
08fb89d251 Require a driver prefix to be non-empty 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2022-02-07 16:30:16 +01:00
Gilles Peskine
272ff9c309 Open a namespace for implementation-specific properties 
"IMPLEMENTATION/PROPERTY"

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2022-02-07 16:29:18 +01:00
Gilles Peskine
6c3b1a760a Allow comments in driver descriptions 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2022-02-07 16:29:04 +01:00
Manuel Pégourié-Gonnard
8ebed21216 Fix a few typos 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-07 10:23:49 +01:00
Manuel Pégourié-Gonnard
539b9a52f9 Fix discussion of RSA-PSS salt length 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-07 10:19:08 +01:00
Manuel Pégourié-Gonnard
2467aed961 Misc updates to testing.md 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-01 10:42:30 +01:00
Manuel Pégourié-Gonnard
ce6c0875d1 Misc updates to strategy.md 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-01 10:34:20 +01:00
Manuel Pégourié-Gonnard
8e559daaa8 Misc updates to psa-limitations.md 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-01 10:26:07 +01:00
Manuel Pégourié-Gonnard
335cbf61da Remove temporary documents 
The dependencies-xxx.md documents where merely a support for study,
now distilled to strategy.md, psa-limitation.md, and tasks-xx.md
and/or github issues.

The tasks-g1.md document has now been fully converted to a list of
github issues.

These documents would quickly become out-of-date and there's little
point in updating them, so it's better to remove them. They're still in
the github history if anyone wants to have a look.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-02-01 09:55:45 +01:00
Manuel Pégourié-Gonnard
ec3fd75cbc Update strategy with late 2021 discussion 
Unless I missed something, this should now reflect the current strategy.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:15 +01:00
Manuel Pégourié-Gonnard
5218774efb Add note about HKDF for TLS 1.3 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
ab1d3084b7 Goal 1 tasks are now all reflected on github 
Replace descriptions with links just to double-check nothing has been
forgotten.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
0950359220 Improve "abstraction layers" section 
- fix inaccuracy about PSA hash implementation
- add note about context-less operations
- provide summary

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
a6c601c079 Explain compile-time incompatibilities 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
7497991356 Expand discussion of goals 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
e459be2ed1 Complete discussion of RSASSA-PSS 
Update to latest draft of PSA Crypto 1.1.0: back to strict verification
by default, but ANY_SALT introduced.

Commands used to observe default values of saltlen:

    openssl genpkey -algorithm rsa-pss -out o.key
    openssl req -x509 -new -key o.key -subj "/CN=CA" -sha256 -out o.crt

    certtool --generate-privkey --key-type rsa-pss --outfile g.key
    certtool --generate-self-signed --load-privkey g.key --outfile g.crt

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
f5ee4b3da4 Add data about RSA-PSS test files 
Data gathered with:

    for c in server9*.crt; do echo $c; openssl x509 -noout -text -in $c |
        grep '^    Signature Algorithm: rsassaPss' -A3 | sed '1d'; done
    for c in crl-rsa-pss-*; do echo $c; openssl crl -noout -text -in $c |
        grep '^    Signature Algorithm: rsassaPss' -A3 | sed '1d'; done
    for c in server9.req.*; do echo $c; openssl req -noout -text -in $c |
        grep '^    Signature Algorithm: rsassaPss' -A3 | sed '1d'; done

Unfortunately there is no record of how these files have been generated.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
b902164cf0 Add temporary list of tasks for G1 and G2 
Work in progress, some tasks have very explicit definitions and details
on how to execute, others much less so; some may need splitting.

These documents are temporary anyway, to give a rough idea of the work
remaining to reach those goals (both of which we started, but only for
some use case so far). Ultimately the result will be actionable and
estimated tasks on github.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
d9edd56bf8 Document PSA limitations that could be problems 
(WIP: the study of RSA-PSS is incomplete.)

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
b89fd95146 Document the general strategy for PSA migration 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
1b52d09494 Document test strategy for USE_PSA_CRYPTO 
Note: removed `mbedtls_x509write_crt_set_subject_key()` from the list of
things that should be tested, as it's taking public key rather than a
keypair.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:14 +01:00
Manuel Pégourié-Gonnard
0d0a104b2d Add study for TLS/X.509 dependencies on crypto 
This is an updated version of the study that was done a few years ago.

The script `syms` was used to list symbols form libmbedtls.a /
libmbedx509.a that are defined externally. It was run with config.py
full minus MBEDTLS_USE_PSA_CRYPTO minus
MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2022-01-18 09:13:00 +01:00
Archana
21b20c72d3
Add Changelog and update documentation 
Signed-off-by: Archana <archana.madhavan@silabs.com>
 2021-12-19 10:35:15 +05:30
Archana
c08248d650
Rename the template file from .conf to .jinja 
Signed-off-by: Archana <archana.madhavan@silabs.com>
 2021-12-19 10:35:15 +05:30
Archana
a8939b6da3
Restructure scripts' folder alignment 
Moved python script generate_driver_wrappers.py under scripts and
corresponding template file under script/data_files.

Signed-off-by: Archana <archana.madhavan@silabs.com>
 2021-12-18 12:57:15 +05:30
Archana
1f1a34a226
Rev 1.0 of Driver Wrappers code gen 
The psa_crypto_driver_wrappers.c is merely rendered with no real
templating in version 1.0.

Signed-off-by: Archana <archana.madhavan@silabs.com>
 2021-12-18 12:22:06 +05:30
Ronald Cron
b1822efe22 docs: TLS 1.3: Improve wording 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-12-10 14:28:13 +01:00
Ronald Cron
7aa6fc1992 docs: TLS 1.3: Update prototype upstreaming status 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-12-10 13:22:21 +01:00
Ronald Cron
653d5bc781 docs: TLS 1.3: Swap prototype upstreaming status and MVP definition 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-12-10 13:22:21 +01:00
Ronald Cron
43ffc9d659 docs: TLS 1.3: Update TLS 1.3 documentation file name 
Update TLS 1.3 documentation file name and its
overview section.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-12-10 13:22:21 +01:00
Ronald Cron
0abf07ca2c Make PSA crypto mandatory for TLS 1.3 
As we want to move to PSA for cryptographic operations
let's mandate PSA crypto from the start.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-12-10 13:22:21 +01:00
Dave Rodgman
d7c091060f
Merge pull request #5242 from paul-elliott-arm/explain_TLS13_decision 
TLS1.3: Edit docs to explain not changing curve order.
 2021-12-07 11:01:04 +00:00
Paul Elliott
cce0f5a085 Fix typo 
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2021-12-03 16:13:30 +00:00
Paul Elliott
c0d335bc1e Second draft of explanation 
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2021-12-02 16:38:05 +00:00
Paul Elliott
fe08944246 Fix spelling error 
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2021-11-30 10:55:53 +00:00
Paul Elliott
89c8e098ee Convert tabs to spaces 
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2021-11-30 10:54:52 +00:00
Paul Elliott
66491c7d08 Edit docs to explain not changing curve order 
TLS1.3 MVP would benefit from a different curve group preference order
in order to not cause a HelloRetryRequest (which are not yet handled),
however changing the curve group preference order would affect both
TLS1.2 and TLS1.3, which is undesirable for something rare that can
be worked around.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
 2021-11-29 10:39:44 +00:00
Xiaofei Bai
746f9481ea Fix 1_3/13 usages in macros and function names 
Signed-off-by: Xiaofei Bai <xiaofei.bai@arm.com>
 2021-11-26 08:08:36 +00:00
Andrzej Kurek
e3ed82473a Fix duplicate variable name in getting_started.md 
Rename the key id variables to not clash with the raw key data.
This was introduced in cf56a0a3.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
 2021-11-19 13:40:20 +01:00
Manuel Pégourié-Gonnard
9a7cf9a196
Merge pull request #5045 from gilles-peskine-arm/rm-PSACryptoDriverModelSpec-development 
Remove the old driver model specification draft
 2021-10-29 09:36:15 +02:00
Dave Rodgman
c8aaac89d0 Fix naming examples in TLS 1.3 style guide 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-10-18 13:00:51 +01:00
Gilles Peskine
4086159910 Remove obsolete specification draft 
See https://armmbed.github.io/mbed-crypto/psa/#hardware-abstraction-layer
instead.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-10-07 19:14:01 +02:00
Manuel Pégourié-Gonnard
0729885c2b
Merge pull request #4963 from ronald-cron-arm/tls13-mvp 
Define TLS 1.3 MVP and document coding rules
 2021-09-29 10:32:49 +02:00
Ronald Cron
7fc96c1a57 Fix test description 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-28 16:29:04 +02:00
Ronald Cron
fb877215b5 Fix supported signature documentation 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-28 16:29:04 +02:00
Ronald Cron
8ee9ed6785 Fix and improve the documentation of supported groups 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-28 16:28:58 +02:00
Ronald Cron
f164b6a7ff Add an overview section 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:48:09 +02:00
Ronald Cron
847c3580b8 Expend coding rules 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:48:09 +02:00
Ronald Cron
3e7c4036b4 Miscellaneous improvements 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:48:09 +02:00
Ronald Cron
fecda8ddb4 Improve the description of common macros usage 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:48:02 +02:00
Ronald Cron
99733f0511 Amend vector variables 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:39:37 +02:00
Ronald Cron
b194466e99 Amend TLS 1.3 prefix 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:39:37 +02:00
Ronald Cron
72064b30cf Fix usage of backticks 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:39:37 +02:00
Ronald Cron
660c723b09 Add paragraph about expected quality 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:39:37 +02:00
Ronald Cron
7a7032a4ba Remove out of MVP scope items 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:39:37 +02:00
Ronald Cron
c3b510f096 Amend supported groups and signatures based on spec 9.1 section 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:39:37 +02:00
Ronald Cron
3160d70049 Add comments about key_share and supported_versions support 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 15:39:29 +02:00
Ronald Cron
85e51083d8 Add support for server_name extension 
Section 9.2 of the specification defines server_name
extension as mandatory if not specified otherwise by
an application profile. Thus add its support to the
MVP scope.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 13:42:39 +02:00
Ronald Cron
004df8ad5f Improve comment about handshake failure with HRR and CertificateRequest 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 13:42:39 +02:00
Ronald Cron
1fa5088c0b Improve comment about PSK TLS 1.3 configuration options 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 13:42:27 +02:00
Ronald Cron
023987feef Use GitHub table format 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 12:05:28 +02:00
Ronald Cron
def52c36e5 Remove obscure comment about TLS 1.3 renegotiation config option 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-27 12:03:55 +02:00
Manuel Pégourié-Gonnard
13841cb719 Mention areas that are not (well) tested. 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-09-24 11:43:14 +02:00
Manuel Pégourié-Gonnard
9155b0e396 Clarify that 1.3 is excluded 
Don't mention "TLS 1.2 only" for PSK, as that could give the impression
that the other things about TLS are supported beyond 1.2, which isn't
the case currently.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-09-24 10:17:07 +02:00
Manuel Pégourié-Gonnard
ca9101739a Improve wording and fix some typos. 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-09-24 10:14:32 +02:00
Manuel Pégourié-Gonnard
d3ac4a9a8a Clarify wording of "not covered" section 
The section is about things that are not covered, but some lists are
about things that are covered, which was very confusing.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-09-24 10:06:04 +02:00
Manuel Pégourié-Gonnard
1e07869381 Fix inaccuracy in key exchange summary 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-09-22 10:11:53 +02:00
Ronald Cron
3785c907c7 Define TLS 1.3 MVP and document coding rules 
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
 2021-09-21 16:16:56 +02:00
Manuel Pégourié-Gonnard
73a0e1da0d Document parts not covered by USE_PSA_CRYPTO 
Also, remove the section about design considerations for now. It's
probably more suitable for a developer-oriented document that would also
include considerations about possible paths for the future, which would
better be separated from user documentation (separating the certain that
is now, from the uncertain that might or might not be later).

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-09-21 13:55:00 +02:00
Manuel Pégourié-Gonnard
1b08c5f042 Document current effects of USE_PSA_CRYPTO 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-09-21 12:59:26 +02:00
Manuel Pégourié-Gonnard
13b0bebf7d Add docs/use-psa-crypto.md 
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
 2021-09-21 12:59:25 +02:00
Gilles Peskine
8ec3c8f015 Do not require test data to be in the repository 
What matters is that we validate that test data is not removed. Keeping the
test data is the most obvious way, but not the only way.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-07-15 16:22:14 +02:00
Gilles Peskine
b91f81a55b Discuss lifetimes, in particular persistence levels 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-07-15 16:22:14 +02:00
Gilles Peskine
77f8e5cb59 Add considerations on key material representations 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-07-15 16:22:14 +02:00
Gilles Peskine
d131e400f0 Clarification: forward and backward compatibility 
The import-and-save and load-and-check parts of the tests don't have to be
actually the same test cases.

Introduce the terms “forward compatibility” and “backward compatibility” and
relate them to import-and-save and load-and-check actions.

These are clarifications of intent that do not represent an intended change
in the strategy or intended coverage.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-07-15 16:22:14 +02:00
Gilles Peskine
f31c6c111e Typo 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2021-07-15 16:22:14 +02:00
Dave Rodgman
8e5020dead Remove obsolete reference to _ret in migration guide 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-07-02 12:16:03 +01:00
Dave Rodgman
7b743193b0 Move subsection 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-06-30 20:10:10 +01:00
Dave Rodgman
9637bd30a3 Move subsections 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-06-30 20:07:57 +01:00
Dave Rodgman
b0e6bb54f9 Move subsection 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-06-30 20:03:55 +01:00
Dave Rodgman
26c12eb523 Remove C from code block 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-06-30 19:58:00 +01:00
Dave Rodgman
10963278e7 Mark all code blocks as C 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-06-30 19:13:24 +01:00
Dave Rodgman
a014831732 Add missing backticks 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-06-30 19:13:24 +01:00
Dave Rodgman
7d2ac88f93 Correct hyperlink 
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
 2021-06-30 19:13:24 +01:00