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Documentation: add ECC/ECDSA note

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Add brief documentation for ECC/ECDSA software implementation in the crypto subsystem documentation.

Signed-off-by: makejian <makejian@xiaomi.com>
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makejian
2026-01-21 14:41:09 +08:00
committed by Xiang Xiao
parent 79863bb140
commit a744ce760e
1 changed files with 8 additions and 0 deletions
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Documentation/components/crypto.rst
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@@ -153,6 +153,14 @@ Public Key Algorithms
- ECDSA key pair generation for different curves - ECDSA key pair generation for different curves
- Digital signature generation and verification - Digital signature generation and verification
ECC / ECDSA (Software)
----------------------
NuttX also provides a lightweight ECC implementation and public API in
``include/crypto/ecc.h``. It can be used for ECC key generation, ECDH shared
secret computation, and ECDSA sign/verify. Public key export is available in
compressed form (``ECC_BYTES + 1``) as well as X/Y uncompressed form.
Key Management Operations Key Management Operations
-------------------------- --------------------------