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Builds with accelerated SHA3 still include the built-in implementation #542

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opened 2025-10-22 05:14:11 -05:00 by gilles-peskine-arm · 0 comments

gilles-peskine-arm commented

2025-10-22 05:14:11 -05:00

(Migrated from github.com)

The code in sha3.c and test_suite_shax.* uses PSA_WANT_ALG_SHA3_xxx as compilation guards. As a result, both will be included in the build even if SHA3 is fully accelerated.

Applies to TF-PSA-Crypto 1.0. It's ok in 3.6.

The goal of this issue is to fix this: if SHA3 is accelerated, sha3.o must be empty. Assert this in component_test_accel_hash in components-configuration-crypto.sh.

The code in `sha3.c` and `test_suite_shax.*` uses `PSA_WANT_ALG_SHA3_xxx` as compilation guards. As a result, both will be included in the build even if SHA3 is fully accelerated. Applies to TF-PSA-Crypto 1.0. It's ok in 3.6. The goal of this issue is to fix this: if SHA3 is accelerated, `sha3.o` must be empty. Assert this [in `component_test_accel_hash` in `components-configuration-crypto.sh`](https://github.com/Mbed-TLS/TF-PSA-Crypto/pull/586#discussion_r2615123148).

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archive/20260929T231919Z-rescue/bjwtaylor/file-backed-keystore-doc

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archive/20260929T231919Z-rescue/romart/development

archive/20260929T231919Z-rescue/sweetlilmre/constant-time-embedded-perf

archive/20260929T231919Z-rescue/JulioLoayzaM/add-wycheproof-rsa-pss

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archive/20260929T231919Z-rescue/valeriosetti/issue9580

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archive/20260929T231919Z-rescue/gilles-peskine-arm/psa-hash-no-buffer-copy-1.1

archive/20260929T231919Z-rescue/vanhauser-thc/development

archive/20260929T231919Z-rescue/tpambor/key-wrap

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archive/20261011T063515Z-force/pull/538

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archive/20260929T231919Z-rescue/gilles-peskine-arm/sha3-coverity-20260224

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