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LibCrypto: Add a += operation to UnsignedBigIntegerAlgorithms

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This new operation is immediately used in several existing algorithms.
This commit is contained in:
DexesTTP 2021-05-12 10:47:21 +02:00 • committed by Linus Groh
commit 5071989545
Notes: sideshowbarker 2024-07-18 18:13:44 +09:00
10 changed files with 151 additions and 47 deletions
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4
Userland/Libraries/LibCrypto/BigInt/Algorithms/Multiplication.cpp
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@ -23,7 +23,6 @@ FLATTEN void UnsignedBigIntegerAlgorithms::multiply_without_allocation(
UnsignedBigInteger& temp_shift_result,
UnsignedBigInteger& temp_shift_plus,
UnsignedBigInteger& temp_shift,
UnsignedBigInteger& temp_plus,
UnsignedBigInteger& output)
{
output.set_to_0();
@ -39,8 +38,7 @@ FLATTEN void UnsignedBigIntegerAlgorithms::multiply_without_allocation(
// output += (right << shift_amount);
shift_left_without_allocation(right, shift_amount, temp_shift_result, temp_shift_plus, temp_shift);
add_without_allocation(output, temp_shift, temp_plus);
output.set_to(temp_plus);
add_into_accumulator_without_allocation(output, temp_shift);
}
}
}