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Fix use of volatile

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We need the pointer, A, to be volatile, to ensure the reads happen. bits
does not need to be volatile.

Signed-off-by: Janos Follath <janos.follath@arm.com>
This commit is contained in:
Janos Follath
2024-03-11 09:40:03 +00:00
parent b888bc0be6
commit d6df0a5dac
2 changed files with 3 additions and 3 deletions
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4
library/bignum_core.c
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@@ -856,10 +856,10 @@ mbedtls_mpi_uint mbedtls_mpi_core_sub_int(mbedtls_mpi_uint *X,
return c;
}
mbedtls_ct_condition_t mbedtls_mpi_core_check_zero_ct(const mbedtls_mpi_uint *A,
mbedtls_ct_condition_t mbedtls_mpi_core_check_zero_ct(volatile const mbedtls_mpi_uint *A,
size_t limbs)
{
volatile mbedtls_mpi_uint bits = 0;
mbedtls_mpi_uint bits = 0;
for (size_t i = 0; i < limbs; i++) {
bits |= A[i];