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Clarify some comments

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2022-12-15 15:04:33 +01:00
parent 3e5d56e7d4
commit 6b7ce968d2
2 changed files with 2 additions and 2 deletions
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2
library/bignum.c
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@ -1973,7 +1973,7 @@ int mbedtls_mpi_random( mbedtls_mpi *X,
/* Ensure that target MPI has exactly the same number of limbs /* Ensure that target MPI has exactly the same number of limbs
* as the upper bound, even if the upper bound has leading zeros. * as the upper bound, even if the upper bound has leading zeros.
* This is necessary for the mbedtls_mpi_lt_mpi_ct() check. */ * This is necessary for mbedtls_mpi_core_random. */
int ret = mbedtls_mpi_resize_clear( X, N->n ); int ret = mbedtls_mpi_resize_clear( X, N->n );
if( ret != 0 ) if( ret != 0 )
return( ret ); return( ret );

2
library/bignum_core.c
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@ -163,7 +163,7 @@ unsigned mbedtls_mpi_core_uint_le_mpi( mbedtls_mpi_uint min,
/* min <= least significant limb? */ /* min <= least significant limb? */
unsigned min_le_lsl = 1 ^ mbedtls_ct_mpi_uint_lt( A[0], min ); unsigned min_le_lsl = 1 ^ mbedtls_ct_mpi_uint_lt( A[0], min );
/* most significant limbs (excluding 1) are all zero? */ /* limbs other than the least significant one are all zero? */
mbedtls_mpi_uint msll_mask = 0; mbedtls_mpi_uint msll_mask = 0;
for( size_t i = 1; i < A_limbs; i++ ) for( size_t i = 1; i < A_limbs; i++ )
msll_mask |= A[i]; msll_mask |= A[i];