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Use new CT interface in mbedtls_mpi_core_lt_ct

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-05-17 15:16:22 +01:00
parent 231a516682
commit 8ac9a1df24
2 changed files with 15 additions and 19 deletions
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12
library/bignum_core.h
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@ -161,13 +161,13 @@ mbedtls_ct_condition_t mbedtls_mpi_core_uint_le_mpi(mbedtls_mpi_uint min,
* \param limbs The number of limbs in \p A and \p B.
* This must not be 0.
*
* \return The result of the comparison:
* \c 1 if \p A is less than \p B.
* \c 0 if \p A is greater than or equal to \p B.
* \return MBEDTLS_CT_TRUE if \p A is less than \p B.
* MBEDTLS_CT_FALSE if \p A is greater than or equal to \p B.
*/
unsigned mbedtls_mpi_core_lt_ct(const mbedtls_mpi_uint *A,
const mbedtls_mpi_uint *B,
size_t limbs);
mbedtls_ct_condition_t mbedtls_mpi_core_lt_ct(const mbedtls_mpi_uint *A,
const mbedtls_mpi_uint *B,
size_t limbs);
/**
* \brief Perform a safe conditional copy of an MPI which doesn't reveal
* whether assignment was done or not.