Timing attacks can be launched by any of the main 3 attackers. Clarify
exactly how these are covered.
Signed-off-by: Janos Follath <janos.follath@arm.com>
The block cipher exception affects both remote and local timing attacks.
Move them to the Caveats section and reference it from both the local
and the remote attack section.
Signed-off-by: Janos Follath <janos.follath@arm.com>
Originally for the sake of simplicity there was a single category for
software based attacks, namely timing side channel attacks.
Be more precise and categorise attacks as software based whether or not
they rely on physical information.
Signed-off-by: Janos Follath <janos.follath@arm.com>
Some functions are renamed in commit c463849. This change moves all
those functions which are used to set up a TLS connection from
test_suite_ssl.function into ssl_helpers.c.
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
As the typedef statements and functions are renamed in commit
abfdcd8 and commit c463849 respectively. This commit aims
to align code lines to fit code standard and improve code
readability.
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
With this change, the renamed typedef statements (commit abfdcd8)
are moved from test_suite_ssl.function into ssl_helpers.h
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
test_suite_ssl.function contains many functions that are used to set
up a TLS connection. To reduce its file size, those functions would
be moved to ssl_helpers.c under tests/src. As the start of this
implementation, some necessary header files are moved in advance.
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
When MBEDTLS_USE_PSA_CRYPTO is enabled, the application must call
psa_crypto_init() before directly or indirectly calling cipher or PK code
that will use PSA under the hood. Document this explicitly for some
functions.
To avoid clutter, this commit only documents the need to call
psa_crypto_init() in common, non-obvious cases: using a PK object that was
not constructed using PSA, X.509 processing, or setting up an SSL context.
Functions that are normally only called after such a function (for example,
using a cipher or PK context constructed from a PSA key), or where the need
for PSA is obvious because they take a key ID as argument, do not need more
explicit documentaion.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
With this change, "--list-components" will not list
"build_armcc" on the system which is not installed
with Arm Compilers.
Signed-off-by: Pengyu Lv <pengyu.lv@arm.com>
escalates into a buffer overflow in the application code
Signed-off-by: Stephan Koch <koch@oberon.ch>
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
As tested in https://github.com/Mbed-TLS/mbedtls/issues/6790,
after introducing side-channel counter-measures to bignum,
the performance of RSA decryption in correlation to the
MBEDTLS_ECP_WINDOW_SIZE has changed.
The default value of 2 has been chosen as it provides best
or close-to-best results for tests on Cortex-M4 and Intel i7.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
