mbedtls_mpi_core_check_zero_ct() function

Determine if a given MPI has the value \c 0 in constant time with respect to the value (but not with respect to the number of limbs).

Syntax

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Summary

Declaration

Definition

mbedtls_ct_condition_t mbedtls_mpi_core_check_zero_ct(const mbedtls_mpi_uint *A, size_t limbs);

Argument

Description

The MPI to test.

limbs

Number of limbs in \p A.

MBEDTLS_CT_FALSE if `A == 0` MBEDTLS_CT_TRUE if `A != 0`.

Code

Location

Referrer

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(const mbedtls_mpi_uint *A,

mbedtls_ct_condition_t is_x_non_zero = mbedtls_mpi_core_check_zero_ct(X->p, X->n);

mbedtls_mpi_core_check_zero_ct() is called by 1 function and calls 1 function:

mbedtls_mpi_core_check_zero_ct()

mbedtls_mpi_core_check_zero_ct():

mbedtls_mpi_core_check_zero_ct()

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