lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-08-08 17:42:09 +03:00
Code Activity

Provide and use internal function mbedtls_zeroize_and_free()

Browse Source 
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
This commit is contained in:
Tom Cosgrove
2023-07-17 15:17:40 +01:00
parent b366fe955d
commit ca8c61b815
23 changed files with 83 additions and 127 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
library/bignum_mod.c
View File

@@ -80,9 +80,8 @@ void mbedtls_mpi_mod_modulus_free(mbedtls_mpi_mod_modulus *N)
switch (N->int_rep) {
case MBEDTLS_MPI_MOD_REP_MONTGOMERY:
if (N->rep.mont.rr != NULL) {
mbedtls_platform_zeroize((mbedtls_mpi_uint *) N->rep.mont.rr,
mbedtls_zeroize_and_free((mbedtls_mpi_uint *) N->rep.mont.rr,
N->limbs * sizeof(mbedtls_mpi_uint));
mbedtls_free((mbedtls_mpi_uint *) N->rep.mont.rr);
N->rep.mont.rr = NULL;
}
N->rep.mont.mm = 0;
@@ -295,9 +294,8 @@ int mbedtls_mpi_mod_inv(mbedtls_mpi_mod_residue *X,
break;
}
mbedtls_platform_zeroize(working_memory,
mbedtls_zeroize_and_free(working_memory,
working_limbs * sizeof(mbedtls_mpi_uint));
mbedtls_free(working_memory);
return ret;
}
@@ -399,8 +397,7 @@ cleanup:
if (N->int_rep == MBEDTLS_MPI_MOD_REP_MONTGOMERY &&
working_memory != NULL) {
mbedtls_platform_zeroize(working_memory, working_memory_len);
mbedtls_free(working_memory);
mbedtls_zeroize_and_free(working_memory, working_memory_len);
}
return ret;