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| author | Vadim Sukhomlinov <sukhomlinov@google.com> | 2021-09-28 19:03:59 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-10-02 02:25:48 +0000 |
| commit | 7b25ee08172491864900e3a2ba59d761355f4069 (patch) | |
| tree | 34a6e2b353c8c22ec1b9fc43953c7ebda1d58805 /board/cr50/dcrypto/util.c | |
| parent | 9f56663b5073d632c2c37ebb527ffcafa64b5425 (diff) | |
| download | chrome-ec-7b25ee08172491864900e3a2ba59d761355f4069.tar.gz | |
cr50: improve RSA core function to support up to RSA 4K
While all Dcrypto code for RSA supports 4K, few software functions were
allocating static buffers on stack and thus limiting what RSA sizes
can be supported.
Updating bn_modinv_vartime() and bn_probable_prime() to allocate stack
space dynamically. This simplifies enabling RSA 3K / 4K support.
BUG=none
TEST=make BOARD=cr50 CRYPTO_TEST=1; test/tpm_test/tpm_test.py
Signed-off-by: Vadim Sukhomlinov <sukhomlinov@google.com>
Change-Id: I7c410d349e8755d491151152168701ecdd54c04c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3193510
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>
Diffstat (limited to 'board/cr50/dcrypto/util.c')
0 files changed, 0 insertions, 0 deletions