Janos Follath | 514e62c | 2024-08-22 18:30:06 +0100 | [diff] [blame] | 1 | /** Support for path tracking in optionally safe bignum functions |
| 2 | */ |
| 3 | /* |
| 4 | * Copyright The Mbed TLS Contributors |
| 5 | * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later |
| 6 | */ |
| 7 | |
| 8 | #include "test/bignum_codepath_check.h" |
| 9 | #include "bignum_core_invasive.h" |
| 10 | |
| 11 | #if defined(MBEDTLS_TEST_HOOKS) && !defined(MBEDTLS_THREADING_C) |
| 12 | int mbedtls_codepath_check = MBEDTLS_MPI_IS_TEST; |
| 13 | |
| 14 | void mbedtls_codepath_take_safe(void) |
| 15 | { |
| 16 | if(mbedtls_codepath_check == MBEDTLS_MPI_IS_TEST) { |
| 17 | mbedtls_codepath_check = MBEDTLS_MPI_IS_SECRET; |
| 18 | } |
| 19 | } |
| 20 | |
| 21 | void mbedtls_codepath_take_unsafe(void) |
| 22 | { |
| 23 | mbedtls_codepath_check = MBEDTLS_MPI_IS_PUBLIC; |
| 24 | } |
| 25 | |
| 26 | void mbedtls_codepath_test_hooks_setup(void) |
| 27 | { |
| 28 | mbedtls_safe_codepath_hook = mbedtls_codepath_take_safe; |
| 29 | mbedtls_unsafe_codepath_hook = mbedtls_codepath_take_unsafe; |
| 30 | } |
| 31 | |
| 32 | void mbedtls_codepath_test_hooks_teardown(void) |
| 33 | { |
| 34 | mbedtls_safe_codepath_hook = NULL; |
| 35 | mbedtls_unsafe_codepath_hook = NULL; |
| 36 | } |
| 37 | |
| 38 | #endif /* MBEDTLS_TEST_HOOKS && !MBEDTLS_THREADING_C */ |
| 39 | |