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bignum_core: Removed input checking for mbedtls_mpi_core_shift_l

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Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This commit is contained in:
Minos Galanakis 2023-04-28 14:09:44 +01:00
parent c787cf73b3
commit b89440394f
2 changed files with 1 additions and 6 deletions
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5
library/bignum_core.c
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@ -362,11 +362,6 @@ void mbedtls_mpi_core_shift_l(mbedtls_mpi_uint *X, size_t limbs,
v0 = count / (biL); v0 = count / (biL);
v1 = count & (biL - 1); v1 = count & (biL - 1);
if (v0 > limbs || (v0 == limbs && v1 > 0)) {
memset(X, 0, limbs * ciL);
return;
}
/* /*
* shift by count / limb_size * shift by count / limb_size
*/ */

2
library/bignum_core.h
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@ -297,7 +297,7 @@ void mbedtls_mpi_core_shift_r(mbedtls_mpi_uint *X, size_t limbs,
* \brief Shift an MPI in-place left by a number of bits. * \brief Shift an MPI in-place left by a number of bits.
* *
* Shifting by more bits than there are bit positions * Shifting by more bits than there are bit positions
* in \p X is valid and results in setting \p X to 0. * in \p X will produce an unspecified result.
* *
* This function's execution time depends on the value * This function's execution time depends on the value
* of \p count (and of course \p limbs). * of \p count (and of course \p limbs).