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struct APPKEY_CTX is an empty struct passed with few APIs and not used
for any purpose. Remove it.
BUG=none
TEST=make BOARD=cr50 CRYPTO_TEST=1;
Signed-off-by: Vadim Sukhomlinov <sukhomlinov@google.com>
Change-Id: I4bcb8f196b70cefc58a81e8592d83aa70464fcf8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3169374
Reviewed-by: Vadim Sukhomlinov <sukhomlinov@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
Tested-by: Vadim Sukhomlinov <sukhomlinov@chromium.org>
Commit-Queue: Vadim Sukhomlinov <sukhomlinov@chromium.org>
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To implement FIPS module we need to bring many crypto functions in the
module boundary. Unfortunately, cryptoc is a third-party library used
by dcrypto code in cr50. Cryptoc is also not well-maintained and shared
with other projects. While just making local copy of cryptoc would
solve an issue, it's suboptimal as prevents from many optimizations and
improvements.
Provided SHA & HMAC implementations from Ti50 project. This provides
better performance (500us vs. 670us earlier for HMAC DRBG) and reduce
code size. This implementation also enables stack use savings when
only specific digest is needed. Earlier SHA512 context was allocated
when only SHA256 is needed greatly increasing stack consumption for
code using HMAC_DRBG and others.
However, it introduce subtle API changes which require handling.
As for tests, since core implementation is hardware-independent, make
it available for BOARD=host too.
Before change (with cryptoc):
*** 12368 bytes in flash and 5784 bytes in RAM
After:
*** 13136 bytes in flash and 5796 bytes in RAM
BUG=b:138578318
TEST=make BOARD=cr50 CRYPTO_TEST=1; test/tpm_test/tpmtest.py
Signed-off-by: Vadim Sukhomlinov <sukhomlinov@google.com>
Change-Id: I2ff5362aee9078ce83dc1f8081943a5101d5f666
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3064201
Reviewed-by: Vadim Sukhomlinov <sukhomlinov@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
Tested-by: Vadim Sukhomlinov <sukhomlinov@chromium.org>
Auto-Submit: Vadim Sukhomlinov <sukhomlinov@chromium.org>
Commit-Queue: Vadim Sukhomlinov <sukhomlinov@chromium.org>
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To implement FIPS module we need to bring many crypto functions in the
module boundary. Unfortunately, cryptoc is a third-party library used
by dcrypto code in cr50. Cryptoc is also not well-maintained and shared
with other projects.
BUG=b:138578318
TEST=make BOARD=cr50 CRYPTO_TEST=1
Signed-off-by: Vadim Sukhomlinov <sukhomlinov@google.com>
Change-Id: I40090f5d32df088c88d7313dd693fc8a0dd4b308
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3083187
Reviewed-by: Vadim Sukhomlinov <sukhomlinov@chromium.org>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Tested-by: Vadim Sukhomlinov <sukhomlinov@chromium.org>
Auto-Submit: Vadim Sukhomlinov <sukhomlinov@chromium.org>
Commit-Queue: Vadim Bendebury <vbendeb@chromium.org>
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Signed-off-by: Josip Sokcevic <sokcevic@google.com>
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