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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_mpi_core_mla()

mbedtls_mpi_core_mla() function

Perform a fixed-size multiply accumulate operation: X += b * A \p X may be aliased to \p A (when \p X_limbs == \p A_limbs), but may not otherwise overlap. This function operates modulo `2^(biL*X_limbs)`.

Syntax

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Summary

Declaration

Definition

from bignum_core.h:434

mbedtls_mpi_uint mbedtls_mpi_core_mla(mbedtls_mpi_uint *X, size_t X_limbs, const mbedtls_mpi_uint *A, size_t A_limbs, mbedtls_mpi_uint b);

Implemented in bignum_core.c:461

Arguments

Argument

Declared as

Description

mbedtls_mpi_uint *

The pointer to the (little-endian) array representing the bignum to accumulate onto.

X_limbs

size_t

The number of limbs of \p X. This must be at least \p A_limbs.

const mbedtls_mpi_uint *

The pointer to the (little-endian) array representing the bignum to multiply with. This may be aliased to \p X but may not overlap otherwise.

A_limbs

size_t

The number of limbs of \p A.

mbedtls_mpi_uint

X scalar to multiply with.

Return value

The carry at the end of the operation.

References

Code

Location

Referrer

mbedtls_mpi_uint mbedtls_mpi_core_mla(mbedtls_mpi_uint *d, size_t d_len,

bignum_core.c:461

mbedtls_mpi_uint mbedtls_mpi_core_mla(mbedtls_mpi_uint *X, size_t X_limbs,

bignum_core.h:434

mbedtls_mpi_core_mla(X->p, X->n, A->p, n, b - 1);

bignum.c:1281

mbedtls_mpi_mul_int()

(void) mbedtls_mpi_core_mla(X + i, A_limbs + 1, A, A_limbs, B[i]);

bignum_core.c:506

mbedtls_mpi_core_mul()

(void) mbedtls_mpi_core_mla(T, AN_limbs + 2, B, B_limbs, u0);

bignum_core.c:542

mbedtls_mpi_core_montmul()

(void) mbedtls_mpi_core_mla(T, AN_limbs + 2, N, AN_limbs, u1);

bignum_core.c:543

mbedtls_mpi_core_montmul()

mbedtls_mpi_core_mla(N->p, P255_WIDTH + 1,

ecp_curves.c:5217

ecp_mod_p255()

Call Tree

mbedtls_mpi_core_mla() is called by 4 functions:

mbedtls_mpi_core_mul()

mbedtls_mpi_core_montmul()

mbedtls_mpi_mul_int()

ecp_mod_p255()

mbedtls_mpi_core_mla()

Data Use

mbedtls_mpi_core_mla():

mbedtls_mpi_core_mla()

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