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fix(mbedtls/port): add additional hardening for PSA drivers

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This commit is contained in:
Ashish Sharma
2026-05-26 10:36:07 +08:00
parent b5d16d86dc
commit 33cb603e02
16 changed files with 437 additions and 288 deletions
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4
docs/en/api-reference/peripherals/hmac.rst
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@@ -221,6 +221,10 @@ Using an eFuse-based HMAC key:
// failure calculating HMAC
}
.. note::
The ESP-HMAC opaque PSA driver is backed by the one-shot hardware HMAC peripheral, which computes the MAC over the whole message in a single operation and cannot save or restore intermediate state between calls. Multipart streaming is therefore not supported: supply the entire message in a single :cpp:func:`psa_mac_compute` call (as shown above) or in a single multipart update. A second non-empty update on the same operation returns ``PSA_ERROR_BAD_STATE``; the operation fails closed and never produces a MAC computed over only part of the message.
API Reference
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