It wasn't working when invoking programs/x509/cert_write or
programs/x509/cert_req due to relying on the current directory rather
than the location of the makefile.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
There were two rules that generated similar files, but with different
dates. Keep the one that's similar to md2 and md4.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
Discover hash algorithms automatically rather than hard-coding a list,
as was previously done in cert_write.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
Set the CMake-observed variable `CTEST_OUTPUT_ON_FAILURE`, so that when
a "make test" run by CMake fails, verbose test output about the detail
of failure is available.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
From now on, external contributions are no longer acknowledged in the
changelog file. They of course remain acknowledged in the Git history.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
Starting with commit 49e94e3, the do/while loop in
`rsa_prepare_blinding()` was changed to a `do...while(0)`, which
prevents retry from being effective and leaves dead code.
Restore the while condition to retry, and lift the calls to finish the
computation out of the while loop by by observing that they are
performed only when `mbedtls_mpi_inv_mod()` returns zero.
Signed-off-by: Peter Kolbus <peter.kolbus@garmin.com>
fix_negative allocates memory for its result. The calling site didn't
check the return value, so an out-of-memory error could lead to an
incorrect calculation. Fix this.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
Fix a memory leak in mbedtls_mpi_sub_abs when the output parameter is
aliased to the second operand (X = A - X) and the result is negative.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
Run all the addition and subtraction tests with the result aliased to
the first operand and with the result aliased to the second operand.
Before, only some of the aliasing possibilities were tested, for only
some of the functions, with only some inputs.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This reduces the impact of the code size increase due to the addition
of calls to mbedtls_platform_zeroize.
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
Zeroising of local buffers and variables which are used for calculations in
mbedtls_internal_md*_process() and mbedtls_internal_ripemd160_process()
functions to erase sensitive data from memory.
Checked all function for possible missing zeroisation in MD.
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
Zeroising of local buffers and variables which are used for calculations in
mbedtls_pkcs5_pbkdf2_hmac() and mbedtls_internal_sha*_process() functions
to erase sensitive data from memory.
Checked all function for possible missing zeroisation in PKCS and SHA.
Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
Description referred to mbedtls_ssl_sent_t callback,
but the callback is named mbedtls_ssl_send_t.
Signed-off-by: Christopher Moynihan <christophm@gmail.com>
Probably the `W[2 << MBEDTLS_MPI_WINDOW_SIZE]` notation is based on a transcription of 2**MBEDTLS_MPI_WINDOW_SIZE.
Signed-off-by: Daniel Otte <d.otte@wut.de>
The test function mbedtls_mpi_lt_mpi_ct did not initialize ret in test
code. If there was a bug in library code whereby the library function
mbedtls_mpi_lt_mpi_ct() did not set ret when it should, we might have
missed it if ret happened to contain the expected value. So initialize
ret to a value that we never expect.
In Mbed TLS 2.7.17, the lack of initialization also caused Valgrind to
fail on a Clang 3.8 build with -O1 or more (not with -O0). As far as I
can tell, this is an instance of a known bug/feature in Clang which
sometimes generates code that contains a conditional jump based on
memory which is not initialized at the C level. This is not really a
bug in Clang as a C compiler since the code has the same behavior
whether the branch is taken or not, and therefore the branch is not
observable at the C level. However, the branch on C-uninitialized
memory causes a false positive from Valgrind. Here are some reports of
this Clang behavior:
* https://lists.llvm.org/pipermail/llvm-dev/2016-November/107428.html
* https://bugs.llvm.org/show_bug.cgi?id=32604
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
If test_fail is called multiple times in the same test case, report
the location of the first failure, not the last one.
With this change, you no longer need to take care in tests that use
auxiliary functions not to fail in the main function if the auxiliary
function has failed.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
RFC5280 does not state that the `revocationDate` should be checked.
In addition, when no time source is available (i.e., when MBEDTLS_HAVE_TIME_DATE is not defined), `mbedtls_x509_time_is_past` always returns 0. This results in the CRL not being checked at all.
https://tools.ietf.org/html/rfc5280
Signed-off-by: Raoul Strackx <raoul.strackx@fortanix.com>
Currently the new component in all.sh fails because
mbedtls_ssl_cf_memcpy_offset() is not actually constant flow - this is on
purpose to be able to verify that the new test works.
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
The tests are supposed to be failing now (in all.sh component
test_memsan_constant_flow), but they don't as apparently MemSan doesn't
complain when the src argument of memcpy() is uninitialized, see
https://github.com/google/sanitizers/issues/1296
The next commit will add an option to test constant flow with valgrind, which
will hopefully correctly flag the current non-constant-flow implementation.
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This paves the way for a constant-flow implementation of HMAC checking, by
making sure that the comparison happens at a constant address. The missing
step is obviously to copy the HMAC from the secret offset to this temporary
buffer with constant flow, which will be done in the next few commits.
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
