mirror of
https://github.com/Mbed-TLS/mbedtls.git
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855c228b29
This patch moves `BignumModRawOperation` and `BignumModRawOperationArchSplit` outside of the scaffolding merge slot. It also renames `r_sqrt` property to `r2`. Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
139 lines
3.9 KiB
Python
139 lines
3.9 KiB
Python
"""Framework classes for generation of bignum mod_raw test cases."""
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from abc import ABCMeta
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from typing import Dict, Iterator, List
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from . import test_case
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from . import test_data_generation
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from . import bignum_common
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class BignumModRawTarget(test_data_generation.BaseTarget, metaclass=ABCMeta):
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#pylint: disable=abstract-method
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"""Target for bignum mod_raw test case generation."""
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target_basename = 'test_suite_bignum_mod_raw.generated'
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class BignumModRawOperation(bignum_common.OperationCommon, BignumModRawTarget, metaclass=ABCMeta):
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#pylint: disable=abstract-method
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"""Target for bignum mod_raw test case generation."""
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def __init__(self, val_n: str, val_a: str, val_b: str = "0", bits_in_limb: int = 64) -> None:
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super().__init__(val_a=val_a, val_b=val_b)
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self.val_n = val_n
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self.bits_in_limb = bits_in_limb
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@property
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def int_n(self) -> int:
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return bignum_common.hex_to_int(self.val_n)
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@property
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def boundary(self) -> int:
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data_in = [self.int_a, self.int_b, self.int_n]
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return max([n for n in data_in if n is not None])
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@property
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def limbs(self) -> int:
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return bignum_common.limbs_mpi(self.boundary, self.bits_in_limb)
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@property
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def hex_digits(self) -> int:
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return 2 * (self.limbs * self.bits_in_limb // 8)
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@property
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def hex_n(self) -> str:
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return "{:x}".format(self.int_n).zfill(self.hex_digits)
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@property
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def hex_a(self) -> str:
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return "{:x}".format(self.int_a).zfill(self.hex_digits)
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@property
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def hex_b(self) -> str:
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return "{:x}".format(self.int_b).zfill(self.hex_digits)
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@property
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def r(self) -> int: # pylint: disable=invalid-name
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l = bignum_common.limbs_mpi(self.int_n, self.bits_in_limb)
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return bignum_common.bound_mpi_limbs(l, self.bits_in_limb)
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@property
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def r_inv(self) -> int:
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return bignum_common.invmod(self.r, self.int_n)
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@property
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def r2(self) -> int: # pylint: disable=invalid-name
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return pow(self.r, 2)
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class BignumModRawOperationArchSplit(BignumModRawOperation):
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#pylint: disable=abstract-method
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"""Common features for bignum mod raw operations where the result depends on
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the limb size."""
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limb_sizes = [32, 64] # type: List[int]
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def __init__(self, val_n: str, val_a: str, val_b: str = "0", bits_in_limb: int = 64) -> None:
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super().__init__(val_n=val_n, val_a=val_a, val_b=val_b, bits_in_limb=bits_in_limb)
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if bits_in_limb not in self.limb_sizes:
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raise ValueError("Invalid number of bits in limb!")
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self.dependencies = ["MBEDTLS_HAVE_INT{:d}".format(bits_in_limb)]
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@classmethod
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def generate_function_tests(cls) -> Iterator[test_case.TestCase]:
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for a_value, b_value in cls.get_value_pairs():
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for bil in cls.limb_sizes:
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yield cls(a_value, b_value, bits_in_limb=bil).create_test_case()
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# BEGIN MERGE SLOT 1
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# END MERGE SLOT 1
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# BEGIN MERGE SLOT 2
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# END MERGE SLOT 2
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# BEGIN MERGE SLOT 3
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# END MERGE SLOT 3
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# BEGIN MERGE SLOT 4
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# END MERGE SLOT 4
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# BEGIN MERGE SLOT 5
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# END MERGE SLOT 5
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# BEGIN MERGE SLOT 6
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# END MERGE SLOT 6
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# BEGIN MERGE SLOT 7
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# END MERGE SLOT 7
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# BEGIN MERGE SLOT 8
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# END MERGE SLOT 8
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# BEGIN MERGE SLOT 9
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# END MERGE SLOT 9
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# BEGIN MERGE SLOT 10
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# END MERGE SLOT 10
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