| Werner Lewis | 0c6ea12 | 2022-09-30 13:02:16 +0100 | [diff] [blame] | 1 | /* BEGIN_HEADER */ |
| 2 | #include "mbedtls/bignum.h" |
| 3 | #include "mbedtls/entropy.h" |
| 4 | #include "bignum_mod.h" |
| 5 | #include "constant_time_internal.h" |
| 6 | #include "test/constant_flow.h" |
| Werner Lewis | 0c6ea12 | 2022-09-30 13:02:16 +0100 | [diff] [blame] | 7 | /* END_HEADER */ |
| 8 | |
| 9 | /* BEGIN_DEPENDENCIES |
| 10 | * depends_on:MBEDTLS_BIGNUM_C |
| 11 | * END_DEPENDENCIES |
| 12 | */ |
| 13 | |
| 14 | /* BEGIN_CASE */ |
| 15 | void mpi_mod_setup( int ext_rep, int int_rep, int iret ) |
| 16 | { |
| 17 | #define MLIMBS 8 |
| 18 | mbedtls_mpi_uint mp[MLIMBS]; |
| 19 | mbedtls_mpi_mod_modulus m; |
| 20 | int ret; |
| 21 | |
| Minos Galanakis | 4d4c98b | 2022-10-27 15:58:02 +0100 | [diff] [blame] | 22 | memset( mp, 0xFF, sizeof(mp) ); |
| Werner Lewis | 0c6ea12 | 2022-09-30 13:02:16 +0100 | [diff] [blame] | 23 | |
| 24 | mbedtls_mpi_mod_modulus_init( &m ); |
| 25 | ret = mbedtls_mpi_mod_modulus_setup( &m, mp, MLIMBS, ext_rep, int_rep ); |
| 26 | TEST_EQUAL( ret, iret ); |
| 27 | |
| Minos Galanakis | dd365a5 | 2022-10-19 01:48:32 +0100 | [diff] [blame] | 28 | /* Only test if the constants have been set-up */ |
| 29 | if ( ret == 0 && int_rep == MBEDTLS_MPI_MOD_REP_MONTGOMERY ) |
| 30 | { |
| 31 | /* Test that the consts have been calculated */ |
| 32 | TEST_ASSERT( m.rep.mont.rr != NULL ); |
| 33 | TEST_ASSERT( m.rep.mont.mm != 0 ); |
| 34 | |
| Minos Galanakis | dd365a5 | 2022-10-19 01:48:32 +0100 | [diff] [blame] | 35 | } |
| 36 | |
| Werner Lewis | 0c6ea12 | 2022-09-30 13:02:16 +0100 | [diff] [blame] | 37 | /* Address sanitiser should catch if we try to free mp */ |
| 38 | mbedtls_mpi_mod_modulus_free( &m ); |
| 39 | |
| 40 | /* Make sure that the modulus doesn't have reference to mp anymore */ |
| 41 | TEST_ASSERT( m.p != mp ); |
| 42 | |
| Minos Galanakis | dd365a5 | 2022-10-19 01:48:32 +0100 | [diff] [blame] | 43 | /* Only test if the constants have been set-up */ |
| 44 | if ( ret == 0 && int_rep == MBEDTLS_MPI_MOD_REP_MONTGOMERY ) |
| 45 | { |
| Minos Galanakis | dd365a5 | 2022-10-19 01:48:32 +0100 | [diff] [blame] | 46 | /* Verify the data and pointers allocated have been properly wiped */ |
| 47 | TEST_ASSERT( m.rep.mont.rr == NULL ); |
| 48 | TEST_ASSERT( m.rep.mont.mm == 0 ); |
| Minos Galanakis | dd365a5 | 2022-10-19 01:48:32 +0100 | [diff] [blame] | 49 | } |
| Werner Lewis | 0c6ea12 | 2022-09-30 13:02:16 +0100 | [diff] [blame] | 50 | exit: |
| 51 | /* It should be safe to call an mbedtls free several times */ |
| 52 | mbedtls_mpi_mod_modulus_free( &m ); |
| 53 | |
| 54 | #undef MLIMBS |
| 55 | } |
| 56 | /* END_CASE */ |
| Janos Follath | 5933f69 | 2022-11-02 14:35:17 +0000 | [diff] [blame] | 57 | |
| 58 | /* BEGIN MERGE SLOT 1 */ |
| 59 | |
| 60 | /* END MERGE SLOT 1 */ |
| 61 | |
| 62 | /* BEGIN MERGE SLOT 2 */ |
| 63 | |
| 64 | /* END MERGE SLOT 2 */ |
| 65 | |
| 66 | /* BEGIN MERGE SLOT 3 */ |
| 67 | |
| 68 | /* END MERGE SLOT 3 */ |
| 69 | |
| 70 | /* BEGIN MERGE SLOT 4 */ |
| 71 | |
| 72 | /* END MERGE SLOT 4 */ |
| 73 | |
| 74 | /* BEGIN MERGE SLOT 5 */ |
| 75 | |
| 76 | /* END MERGE SLOT 5 */ |
| 77 | |
| 78 | /* BEGIN MERGE SLOT 6 */ |
| 79 | |
| 80 | /* END MERGE SLOT 6 */ |
| 81 | |
| 82 | /* BEGIN MERGE SLOT 7 */ |
| 83 | |
| 84 | /* END MERGE SLOT 7 */ |
| 85 | |
| 86 | /* BEGIN MERGE SLOT 8 */ |
| 87 | |
| 88 | /* END MERGE SLOT 8 */ |
| 89 | |
| 90 | /* BEGIN MERGE SLOT 9 */ |
| 91 | |
| 92 | /* END MERGE SLOT 9 */ |
| 93 | |
| 94 | /* BEGIN MERGE SLOT 10 */ |
| 95 | |
| 96 | /* END MERGE SLOT 10 */ |