I ran into a sequence where the assertion `stats[8] > 0` failed for the
range 1..272 with 100 iterations.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
Turn mpi_fill_random_internal() into mbedtls_mpi_core_fill_random(). It
had basically the right code except for how X is passed to the function.
Write unit tests.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This will be needed for extracting modular exponentiation from the
prototype. The function signature is kept aligned to the prototype, but
the implementation is new. (The implementation of this function in the
prototype has further optimisations which are out of scope for now.)
The function is not reused in the bignum counterpart as it will become
redundant soon.
This function is meant to be static, but doesn't have the qualifier as
it is not used yet and would cause compiler warnings. The
MBEDTLS_STATIC_TESTABLE macro will be added in a later commit.
Signed-off-by: Janos Follath <janos.follath@arm.com>
* component_test_tls13_with_padding: just explicitly sets some options that
are identical with full.
* component_test_tls13_with_ecp_restartable: redundant since TLS 1.3 doesn't
have any support for restartable ECC.
* component_test_tls13_with_everest: not useful since TLS 1.3 doesn't call
ECDH directly, it just relies on the PSA abstraction.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
component_build_psa_accel_alg_ecdsa is subsumed by
component_test_psa_crypto_config_accel_ecdsa, which has the same
configuration and additionally runs the unit tests.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
MBEDTLS_TEST_HOOKS is not supposed to change the behavior of the library, so
it's generally good to have it on in functional tests.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This patch updates the tests `mpi_mod_raw_cond_swap()` &
`mpi_mod_raw_cond_assign()` to use a non-zero modulus
when invoking `mbedtls_mpi_mod_modulus_setup()`
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This patch addresses more review comments, and fixes
a circular depedency in the `mbedtls_mpi_mod_modulus_setup()`.
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This patch addresses review comments with regards to style of
`mbedtls_mpi_mod_modulus_setup/free()`.
It also removes a test check which was triggering a use-after-free.
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This patch updates the `mpi_mod_setup()` test suite
to check for incosistencies in the montgomery constant
data's lifecycle.
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This patch updates the `mbedtls_mpi_mod_modulus_setup/free()`
methods to precalculate mm and rr(Montgomery const squared) during
setup and zeroize it during free.
A static `set_mont_const_square()` is added to manage the memory allocation
and parameter checking before invoking the
`mbedtls_mpi_core_get_mont_r2_unsafe()`
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
