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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_mpi_core_add()

mbedtls_mpi_core_add() function

Add two fixed-size large unsigned integers, returning the carry. Calculates `A + B` where `A` and `B` have the same size. This function operates modulo `2^(biL*limbs)` and returns the carry (1 if there was a wraparound, and 0 otherwise). \p X may be aliased to \p A or \p B.

Syntax

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Summary

Declaration

Definition

from bignum_core.h:350

mbedtls_mpi_uint mbedtls_mpi_core_add(mbedtls_mpi_uint *X, const mbedtls_mpi_uint *A, const mbedtls_mpi_uint *B, size_t limbs);

Implemented in bignum_core.c:405

Arguments

Argument

Description

X

The result of the addition.

A

Little-endian presentation of the left operand.

B

Little-endian presentation of the right operand.

limbs

Number of limbs of \p X, \p A and \p B.

Return value

1 if `A + B >= 2^(biL*limbs)`, 0 otherwise.

References

Code

Location

Referrer

mbedtls_mpi_uint mbedtls_mpi_core_add(mbedtls_mpi_uint *X,

bignum_core.c:405

mbedtls_mpi_uint mbedtls_mpi_core_add(mbedtls_mpi_uint *X,

bignum_core.h:350

c = mbedtls_mpi_core_add(p, p, B->p, j);

mbedtls_mpi_add_abs()

Call Tree

mbedtls_mpi_core_add() is called by 1 function:

mbedtls_mpi_add_abs()

mbedtls_mpi_core_add()

Data Use

mbedtls_mpi_core_add():

mbedtls_mpi_core_add()

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