cryptomb: reduce memory copy in ECDSA #33201
Merged
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Signed-off-by: Xie Zhihao [email protected]
Commit Message: cryptomb: reduce memory copy in ECDSA
Additional Description:
The original implementation serializes signatures into a temporary output buffer during processing phase and then copy to the BoringSSL buffer in the completion phase. This patch change the way and directly serializes signatures to the BoringSSL buffer.
In addition, the patch adds a speed test to track the performance change by mathematical implementation of private key provider.
Risk Level: Low
Testing: N/A
Docs Changes: N/A
Release Notes: N/A
Platform Specific Features: Requires AVX512 or equivalent CPU instruction set