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Merge pull request #6742 from gabor-mezei-arm/6022_bignum_mod_raw_mul

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Bignum: Implement fixed width raw modular multiplication
This commit is contained in:
Gilles Peskine
2022-12-17 13:25:43 +01:00
committed by GitHub
parent 546493bee9 210ea63d8b
commit cf86d70162
4 changed files with 159 additions and 0 deletions
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19
scripts/mbedtls_dev/bignum_mod_raw.py
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@ -50,6 +50,25 @@ class BignumModRawSub(bignum_common.ModOperationCommon,
result = (self.int_a - self.int_b) % self.int_n
return [self.format_result(result)]
class BignumModRawMul(bignum_common.ModOperationCommon,
BignumModRawTarget):
"""Test cases for bignum mpi_mod_raw_mul()."""
symbol = "*"
test_function = "mpi_mod_raw_mul"
test_name = "mbedtls_mpi_mod_raw_mul"
input_style = "arch_split"
arity = 2
def arguments(self) -> List[str]:
return [self.format_result(self.to_montgomery(self.int_a)),
self.format_result(self.to_montgomery(self.int_b)),
bignum_common.quote_str(self.arg_n)
] + self.result()
def result(self) -> List[str]:
result = (self.int_a * self.int_b) % self.int_n
return [self.format_result(self.to_montgomery(result))]
# END MERGE SLOT 2
# BEGIN MERGE SLOT 3