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Make sure the whole temporary array is non-zero

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Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard
2025-07-16 12:20:33 +02:00
parent 04ac5d8d35
commit fb2001faf5
1 changed files with 13 additions and 14 deletions
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27
tests/suites/test_suite_bignum_core.function
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@@ -1408,8 +1408,7 @@ void mpi_core_gcd_modinv_odd(char *input_A, char *input_N,
TEST_LE_U(A_limbs, N_limbs);
TEST_ASSERT(mpi_core_cmp(A, A_limbs, N, N_limbs) <= 0);
const size_t limbs = N_limbs;
const size_t bytes = limbs * sizeof(mbedtls_mpi_uint);
const size_t N_bytes = N_limbs * sizeof(mbedtls_mpi_uint);
TEST_CF_SECRET(A, A_limbs * sizeof(mbedtls_mpi_uint));
TEST_CF_SECRET(N, N_limbs * sizeof(mbedtls_mpi_uint));
@@ -1426,10 +1425,10 @@ void mpi_core_gcd_modinv_odd(char *input_A, char *input_N,
* Test GCD only (I == NULL)
*/
TEST_CALLOC(G, N_limbs);
memset(G, 'G', bytes);
memset(G, 'G', N_bytes);
TEST_CALLOC(T, 4 * N_limbs);
memset(T, 'T', bytes);
memset(T, 'T', 4 * N_bytes);
mbedtls_mpi_core_gcd_modinv_odd(G, NULL, A, A_limbs, N, N_limbs, T);
TEST_EQUAL(mpi_core_cmp(G, N_limbs, exp_G, exp_G_limbs), 0);
@@ -1438,10 +1437,10 @@ void mpi_core_gcd_modinv_odd(char *input_A, char *input_N,
/* GCD only, G aliased to N */
TEST_CALLOC(G, N_limbs);
memcpy(G, N, bytes);
memcpy(G, N, N_bytes);
TEST_CALLOC(T, 4 * N_limbs);
memset(T, 'T', bytes);
memset(T, 'T', 4 * N_bytes);
mbedtls_mpi_core_gcd_modinv_odd(G, NULL, A, A_limbs, /* N */ G, N_limbs, T);
TEST_EQUAL(mpi_core_cmp(G, N_limbs, exp_G, exp_G_limbs), 0);
@@ -1453,7 +1452,7 @@ void mpi_core_gcd_modinv_odd(char *input_A, char *input_N,
memcpy(G, A, A_limbs * sizeof(mbedtls_mpi_uint));
TEST_CALLOC(T, 4 * N_limbs);
memset(T, 'T', bytes);
memset(T, 'T', 4 * N_bytes);
mbedtls_mpi_core_gcd_modinv_odd(G, NULL, /* A */ G, N_limbs, N, N_limbs, T);
TEST_EQUAL(mpi_core_cmp(G, N_limbs, exp_G, exp_G_limbs), 0);
@@ -1464,13 +1463,13 @@ void mpi_core_gcd_modinv_odd(char *input_A, char *input_N,
* Test GCD + modinv
*/
TEST_CALLOC(G, N_limbs);
memset(G, 'G', bytes);
memset(G, 'G', N_bytes);
TEST_CALLOC(I, N_limbs);
memset(I, 'I', bytes);
memset(I, 'I', N_bytes);
TEST_CALLOC(T, 5 * N_limbs);
memset(T, 'T', bytes);
memset(T, 'T', 5 * N_bytes);
mbedtls_mpi_core_gcd_modinv_odd(G, I, A, A_limbs, N, N_limbs, T);
@@ -1486,10 +1485,10 @@ void mpi_core_gcd_modinv_odd(char *input_A, char *input_N,
memcpy(G, A, A_limbs * sizeof(mbedtls_mpi_uint));
TEST_CALLOC(I, N_limbs);
memset(I, 'I', bytes);
memset(I, 'I', N_bytes);
TEST_CALLOC(T, 5 * N_limbs);
memset(T, 'T', bytes);
memset(T, 'T', 5 * N_bytes);
mbedtls_mpi_core_gcd_modinv_odd(G, I, /* A */ G, N_limbs, N, N_limbs, T);
@@ -1502,13 +1501,13 @@ void mpi_core_gcd_modinv_odd(char *input_A, char *input_N,
/* GCD + modinv, I aliased to A */
TEST_CALLOC(G, N_limbs);
memset(G, 'G', bytes);
memset(G, 'G', N_bytes);
TEST_CALLOC(I, N_limbs);
memcpy(I, A, A_limbs * sizeof(mbedtls_mpi_uint));
TEST_CALLOC(T, 5 * N_limbs);
memset(T, 'T', bytes);
memset(T, 'T', 5 * N_bytes);
mbedtls_mpi_core_gcd_modinv_odd(G, I, /* A */ I, N_limbs, N, N_limbs, T);