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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
parent f4e6f58cc6
commit 5071989545
Notes: sideshowbarker 2024-07-18 18:13:44 +09:00 
Author: https://github.com/Dexesttp
Commit: https://github.com/SerenityOS/serenity/commit/5071989545a
Pull-request: https://github.com/SerenityOS/serenity/pull/7067
Reviewed-by: https://github.com/alimpfard
10 changed files with 151 additions and 47 deletions
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Userland/Libraries/LibCrypto/BigInt/Algorithms/BitwiseOperations.cpp
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@@ -199,8 +199,7 @@ FLATTEN void UnsignedBigIntegerAlgorithms::shift_left_without_allocation(
temp_plus.set_to_0();
temp_plus.m_words.append(carry_word);
shift_left_by_n_words(temp_plus, temp_result.length(), temp_result);
add_without_allocation(output, temp_result, temp_plus);
output.set_to(temp_plus);
add_into_accumulator_without_allocation(output, temp_result);
}
}