commit e9ffb6c8e9c0476cbfb450249c05ba8b97f6f5c4
author Tom Cosgrove <tom.cosgrove@arm.com> Mon Dec 12 11:26:02 2022 +0000
committer Tom Cosgrove <tom.cosgrove@arm.com> Thu Dec 15 16:56:36 2022 +0000
tree bfe20d396dbc6575358562de976104c2fd0b380d
parent 9fa4897839bcb666942dbec82cabf342ad56ca08

Fix mbedtls_platform_zeroize() call in mbedtls_mpi_mod_modulus_free()

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>

library/bignum_mod.c

diff --git a/library/bignum_mod.c b/library/bignum_mod.c
index 0057eba..ac0be99 100644
--- a/library/bignum_mod.c
+++ b/library/bignum_mod.c
@@ -79,7 +79,7 @@
             if (m->rep.mont.rr != NULL)
             {
                 mbedtls_platform_zeroize( (mbedtls_mpi_uint *) m->rep.mont.rr,
-                                           m->limbs );
+                                           m->limbs * sizeof(mbedtls_mpi_uint) );
                 mbedtls_free( (mbedtls_mpi_uint *)m->rep.mont.rr );
                 m->rep.mont.rr = NULL;
             }