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Merge pull request #8018 from AgathiyanB/add-overflow-test-inputs-bignum

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[Bignum] Add overflow test inputs for add and add if
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Tom Cosgrove 2023-08-04 14:00:39 +00:00 committed by GitHub
commit 2588f8d36d
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2 changed files with 26 additions and 0 deletions
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3
scripts/mbedtls_dev/bignum_core.py
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@ -21,6 +21,7 @@ from typing import Dict, Iterator, List, Tuple
from . import test_case
from . import test_data_generation
from . import bignum_common
from .bignum_data import ADD_SUB_DATA
class BignumCoreTarget(test_data_generation.BaseTarget):
#pylint: disable=abstract-method, too-few-public-methods
@ -176,6 +177,7 @@ class BignumCoreAddAndAddIf(BignumCoreTarget, bignum_common.OperationCommon):
test_function = "mpi_core_add_and_add_if"
test_name = "mpi_core_add_and_add_if"
input_style = "arch_split"
input_values = ADD_SUB_DATA
unique_combinations_only = True
def result(self) -> List[str]:
@ -196,6 +198,7 @@ class BignumCoreSub(BignumCoreTarget, bignum_common.OperationCommon):
symbol = "-"
test_function = "mpi_core_sub"
test_name = "mbedtls_mpi_core_sub"
input_values = ADD_SUB_DATA
def result(self) -> List[str]:
if self.int_a >= self.int_b:

23
scripts/mbedtls_dev/bignum_data.py
View file

@ -106,6 +106,29 @@ INPUTS_DEFAULT = [
RANDOM_1024_BIT_SEED_4_NO2, # largest (not a prime)
]
ADD_SUB_DATA = [
"0", "1", "3", "f", "fe", "ff", "100", "ff00",
"fffe", "ffff", "10000", # 2^16 - 1, 2^16, 2^16 + 1
"fffffffe", "ffffffff", "100000000", # 2^32 - 1, 2^32, 2^32 + 1
"1f7f7f7f7f7f7f",
"8000000000000000", "fefefefefefefefe",
"fffffffffffffffe", "ffffffffffffffff", "10000000000000000", # 2^64 - 1, 2^64, 2^64 + 1
"1234567890abcdef0",
"fffffffffffffffffffffffe",
"ffffffffffffffffffffffff",
"1000000000000000000000000",
"fffffffffffffffffefefefefefefefe",
"fffffffffffffffffffffffffffffffe",
"ffffffffffffffffffffffffffffffff",
"100000000000000000000000000000000",
"1234567890abcdef01234567890abcdef0",
"fffffffffffffffffffffffffffffffffffffffffffffffffefefefefefefefe",
"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe",
"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"10000000000000000000000000000000000000000000000000000000000000000",
"1234567890abcdef01234567890abcdef01234567890abcdef01234567890abcdef0",
]
# Only odd moduli are present as in the new bignum code only odd moduli are
# supported for now.
MODULI_DEFAULT = [