mbedtls_mpi_core_cond_swap() function

Perform a safe conditional swap of two MPIs which doesn't reveal whether the swap was done or not.

Syntax

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Summary

Declaration

Definition

void mbedtls_mpi_core_cond_swap(mbedtls_mpi_uint *X, mbedtls_mpi_uint *Y, size_t limbs, mbedtls_ct_condition_t swap);

Argument

Description

The address of the first MPI. This must be initialized.

The address of the second MPI. This must be initialized.

limbs

The number of limbs of \p X and \p Y.

swap

The condition deciding whether to perform the swap or not.

This function avoids leaking any information about whether the swap was done or not.

Code

Location

Referrer

void mbedtls_mpi_core_cond_swap(mbedtls_mpi_uint *X,

void mbedtls_mpi_core_cond_swap(mbedtls_mpi_uint *X,

mbedtls_mpi_core_cond_swap(X->p, Y->p, X->n, do_swap);

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

mbedtls_mpi_core_cond_swap()

mbedtls_mpi_core_cond_swap():

mbedtls_mpi_core_cond_swap()

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