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Merge branch 'development' into safer-ct5

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2023-08-07 11:47:35 +01:00
committed by GitHub
parent 56e5d6887f 3b5e8aa05c
commit c98f8d996a
257 changed files with 20700 additions and 8475 deletions
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32
library/bignum.c
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@ -181,10 +181,7 @@ cleanup:
}
/* Implementation that should never be optimized out by the compiler */
static void mbedtls_mpi_zeroize(mbedtls_mpi_uint *v, size_t n)
{
mbedtls_platform_zeroize(v, ciL * n);
}
#define mbedtls_mpi_zeroize_and_free(v, n) mbedtls_zeroize_and_free(v, ciL * (n))
/*
* Initialize one MPI
@ -208,8 +205,7 @@ void mbedtls_mpi_free(mbedtls_mpi *X)
}
if (X->p != NULL) {
mbedtls_mpi_zeroize(X->p, X->n);
mbedtls_free(X->p);
mbedtls_mpi_zeroize_and_free(X->p, X->n);
}
X->s = 1;
@ -236,11 +232,12 @@ int mbedtls_mpi_grow(mbedtls_mpi *X, size_t nblimbs)
if (X->p != NULL) {
memcpy(p, X->p, X->n * ciL);
mbedtls_mpi_zeroize(X->p, X->n);
mbedtls_free(X->p);
mbedtls_mpi_zeroize_and_free(X->p, X->n);
}
X->n = nblimbs;
/* nblimbs fits in n because we ensure that MBEDTLS_MPI_MAX_LIMBS
* fits, and we've checked that nblimbs <= MBEDTLS_MPI_MAX_LIMBS. */
X->n = (unsigned short) nblimbs;
X->p = p;
}
@ -284,11 +281,12 @@ int mbedtls_mpi_shrink(mbedtls_mpi *X, size_t nblimbs)
if (X->p != NULL) {
memcpy(p, X->p, i * ciL);
mbedtls_mpi_zeroize(X->p, X->n);
mbedtls_free(X->p);
mbedtls_mpi_zeroize_and_free(X->p, X->n);
}
X->n = i;
/* i fits in n because we ensure that MBEDTLS_MPI_MAX_LIMBS
* fits, and we've checked that i <= nblimbs <= MBEDTLS_MPI_MAX_LIMBS. */
X->n = (unsigned short) i;
X->p = p;
return 0;
@ -1022,6 +1020,8 @@ int mbedtls_mpi_add_abs(mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t j;
mbedtls_mpi_uint *p;
mbedtls_mpi_uint c;
MPI_VALIDATE_RET(X != NULL);
MPI_VALIDATE_RET(A != NULL);
MPI_VALIDATE_RET(B != NULL);
@ -1055,9 +1055,9 @@ int mbedtls_mpi_add_abs(mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi
/* j is the number of non-zero limbs of B. Add those to X. */
mbedtls_mpi_uint *p = X->p;
p = X->p;
mbedtls_mpi_uint c = mbedtls_mpi_core_add(p, p, B->p, j);
c = mbedtls_mpi_core_add(p, p, B->p, j);
p += j;
@ -1700,8 +1700,8 @@ static void mpi_montred(mbedtls_mpi *A, const mbedtls_mpi *N,
{
mbedtls_mpi_uint z = 1;
mbedtls_mpi U;
U.n = U.s = (int) z;
U.n = 1;
U.s = 1;
U.p = &z;
mpi_montmul(A, &U, N, mm, T);