From e72bf2da3d66c0a69231fd88e58f41e4c94b6170 Mon Sep 17 00:00:00 2001 From: Minos Galanakis Date: Wed, 24 May 2023 15:13:21 +0100 Subject: [PATCH] ecp_curves: Adjusted the expected limb size for `ecp_mod_p255()`. Signed-off-by: Minos Galanakis --- library/ecp_curves.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/ecp_curves.c b/library/ecp_curves.c index 6192f6a645..4fc4b1d839 100644 --- a/library/ecp_curves.c +++ b/library/ecp_curves.c @@ -5421,7 +5421,7 @@ int mbedtls_ecp_mod_p521_raw(mbedtls_mpi_uint *X, size_t X_limbs) static int ecp_mod_p255(mbedtls_mpi *N) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - size_t expected_width = 2 * ((255 + biL - 1) / biL); + size_t expected_width = 2 * P255_WIDTH; MBEDTLS_MPI_CHK(mbedtls_mpi_grow(N, expected_width)); ret = mbedtls_ecp_mod_p255_raw(N->p, expected_width); cleanup: