From fdcc47c426e47da74702479d89dfdc82034e581a Mon Sep 17 00:00:00 2001 From: David Horstmann Date: Wed, 21 Aug 2024 14:41:06 +0100 Subject: [PATCH] Fix incorrect comments on slice numbering The persistent key cache slice is the last slice (not the first as previously stated). Update the numbering-related comments accordingly. Signed-off-by: David Horstmann --- tf-psa-crypto/core/psa_crypto_slot_management.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/tf-psa-crypto/core/psa_crypto_slot_management.c b/tf-psa-crypto/core/psa_crypto_slot_management.c index feedbb5ea4..101a976847 100644 --- a/tf-psa-crypto/core/psa_crypto_slot_management.c +++ b/tf-psa-crypto/core/psa_crypto_slot_management.c @@ -77,10 +77,11 @@ MBEDTLS_STATIC_ASSERT(PSA_KEY_ID_VOLATILE_MAX < MBEDTLS_PSA_KEY_ID_BUILTIN_MIN | * located after the slices for volatile keys. */ -/* Size of slice 0 containing the cache of persistent and built-in keys. */ +/* Size of the last slice containing the cache of persistent and built-in keys. */ #define PERSISTENT_KEY_CACHE_COUNT MBEDTLS_PSA_KEY_SLOT_COUNT -/* Volatile keys are stored in slices 1 through KEY_SLICE_COUNT inclusive. +/* Volatile keys are stored in slices 0 through + * (KEY_SLOT_VOLATILE_SLICE_COUNT - 1) inclusive. * Each slice is twice the size of the previous slice. * Volatile key identifiers encode the slice number as follows: * bits 30..31: 0b10 (mandated by the PSA Crypto specification).