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https://github.com/Mbed-TLS/mbedtls.git
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50de073c84
This patch adds test class for 'mpi_mod_raw_from_mont_rep()`. Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
258 lines
9.7 KiB
Python
258 lines
9.7 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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class BignumModRawConvertToMont(BignumModRawOperationArchSplit):
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""" Test cases for mpi_mod_raw_to_mont_rep(). """
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test_function = "mpi_mod_raw_to_mont_rep"
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test_name = "Convert into Mont: "
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test_data_moduli = ["b",
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"fd",
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"eeff99aa37",
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"eeff99aa11",
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"800000000005",
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"7fffffffffffffff",
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"80fe000a10000001",
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"25a55a46e5da99c71c7",
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"1058ad82120c3a10196bb36229c1",
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"7e35b84cb19ea5bc57ec37f5e431462fa962d98c1e63738d4657f"
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"18ad6532e6adc3eafe67f1e5fa262af94cee8d3e7268593942a2a"
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"98df75154f8c914a282f8b",
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"8335616aed761f1f7f44e6bd49e807b82e3bf2bf11bfa63",
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"ffcece570f2f991013f26dd5b03c4c5b65f97be5905f36cb4664f"
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"2c78ff80aa8135a4aaf57ccb8a0aca2f394909a74cef1ef6758a6"
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"4d11e2c149c393659d124bfc94196f0ce88f7d7d567efa5a649e2"
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"deefaa6e10fdc3deac60d606bf63fc540ac95294347031aefd73d"
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"6a9ee10188aaeb7a90d920894553cb196881691cadc51808715a0"
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"7e8b24fcb1a63df047c7cdf084dd177ba368c806f3d51ddb5d389"
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"8c863e687ecaf7d649a57a46264a582f94d3c8f2edaf59f77a7f6"
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"bdaf83c991e8f06abe220ec8507386fce8c3da84c6c3903ab8f3a"
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"d4630a204196a7dbcbd9bcca4e40ec5cc5c09938d49f5e1e6181d"
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"b8896f33bb12e6ef73f12ec5c5ea7a8a337"
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]
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test_input_numbers = ["0",
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"1",
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"97",
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"f5",
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"6f5c3",
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"745bfe50f7",
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"ffa1f9924123",
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"334a8b983c79bd",
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"5b84f632b58f3461",
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"19acd15bc38008e1",
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"ffffffffffffffff",
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"54ce6a6bb8247fa0427cfc75a6b0599",
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"fecafe8eca052f154ce6a6bb8247fa019558bfeecce9bb9",
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"a87d7a56fa4bfdc7da42ef798b9cf6843d4c54794698cb14d72"
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"851dec9586a319f4bb6d5695acbd7c92e7a42a5ede6972adcbc"
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"f68425265887f2d721f462b7f1b91531bac29fa648facb8e3c6"
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"1bd5ae42d5a59ba1c89a95897bfe541a8ce1d633b98f379c481"
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"6f25e21f6ac49286b261adb4b78274fe5f61c187581f213e84b"
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"2a821e341ef956ecd5de89e6c1a35418cd74a549379d2d4594a"
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"577543147f8e35b3514e62cf3e89d1156cdc91ab5f4c928fbd6"
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"9148c35df5962fed381f4d8a62852a36823d5425f7487c13a12"
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"523473fb823aa9d6ea5f42e794e15f2c1a8785cf6b7d51a4617"
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"947fb3baf674f74a673cf1d38126983a19ed52c7439fab42c2185"
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]
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descr_tpl = '{} #{} N: \"{}\" A: \"{}\".'
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def result(self) -> List[str]:
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return [self.hex_x]
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def arguments(self) -> List[str]:
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return [bignum_common.quote_str(n) for n in [self.hex_n,
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self.hex_a,
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self.hex_x]]
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def description(self) -> str:
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return self.descr_tpl.format(self.test_name,
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self.count,
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self.int_n,
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self.int_a)
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@classmethod
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def generate_function_tests(cls) -> Iterator[test_case.TestCase]:
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for bil in [32, 64]:
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for n in cls.test_data_moduli:
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for i in cls.test_input_numbers:
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# Skip invalid combinations where A.limbs > N.limbs
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if bignum_common.hex_to_int(i) > bignum_common.hex_to_int(n):
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continue
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yield cls(n, i, bits_in_limb=bil).create_test_case()
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@property
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def x(self) -> int: # pylint: disable=invalid-name
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return (self.int_a * self.r) % self.int_n
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@property
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def hex_x(self) -> str:
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return "{:x}".format(self.x).zfill(self.hex_digits)
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class BignumModRawConvertFromMont(BignumModRawConvertToMont):
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""" Test cases for mpi_mod_raw_from_mont_rep(). """
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test_function = "mpi_mod_raw_from_mont_rep"
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test_name = "Convert from Mont: "
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test_input_numbers = ["0",
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"1",
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"3ca",
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"539ed428",
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"7dfe5c6beb35a2d6",
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"dca8de1c2adfc6d7aafb9b48e",
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"a7d17b6c4be72f3d5c16bf9c1af6fc933",
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"2fec97beec546f9553142ed52f147845463f579",
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"378dc83b8bc5a7b62cba495af4919578dce6d4f175cadc4f",
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"b6415f2a1a8e48a518345db11f56db3829c8f2c6415ab4a395a"
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"b3ac2ea4cbef4af86eb18a84eb6ded4c6ecbfc4b59c2879a675"
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"487f687adea9d197a84a5242a5cf6125ce19a6ad2e7341f1c57"
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"d43ea4f4c852a51cb63dabcd1c9de2b827a3146a3d175b35bea"
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"41ae75d2a286a3e9d43623152ac513dcdea1d72a7da846a8ab3"
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"58d9be4926c79cfb287cf1cf25b689de3b912176be5dcaf4d4c"
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"6e7cb839a4a3243a6c47c1e2c99d65c59d6fa3672575c2f1ca8"
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"de6a32e854ec9d8ec635c96af7679fce26d7d159e4a9da3bd74"
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"e1272c376cd926d74fe3fb164a5935cff3d5cdb92b35fe2cea32"
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"138a7e6bfbc319ebd1725dacb9a359cbf693f2ecb785efb9d627"
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]
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@property
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def x(self): # pylint: disable=invalid-name
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return (self.int_a * self.r_inv) % self.int_n
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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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