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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
10 changed files with 151 additions and 47 deletions
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5
Userland/Libraries/LibCrypto/NumberTheory/ModularFunctions.cpp
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@ -20,7 +20,6 @@ UnsignedBigInteger ModularInverse(const UnsignedBigInteger& a_, const UnsignedBi
UnsignedBigInteger temp_2;
UnsignedBigInteger temp_3;
UnsignedBigInteger temp_4;
UnsignedBigInteger temp_plus;
UnsignedBigInteger temp_minus;
UnsignedBigInteger temp_quotient;
UnsignedBigInteger temp_d;
@ -29,7 +28,7 @@ UnsignedBigInteger ModularInverse(const UnsignedBigInteger& a_, const UnsignedBi
UnsignedBigInteger temp_x;
UnsignedBigInteger result;
UnsignedBigIntegerAlgorithms::modular_inverse_without_allocation(a_, b, temp_1, temp_2, temp_3, temp_4, temp_plus, temp_minus, temp_quotient, temp_d, temp_u, temp_v, temp_x, result);
UnsignedBigIntegerAlgorithms::modular_inverse_without_allocation(a_, b, temp_1, temp_2, temp_3, temp_4, temp_minus, temp_quotient, temp_d, temp_u, temp_v, temp_x, result);
return result;
}
@ -93,7 +92,7 @@ UnsignedBigInteger LCM(const UnsignedBigInteger& a, const UnsignedBigInteger& b)
// output = (a / gcd_output) * b
UnsignedBigIntegerAlgorithms::divide_without_allocation(a, gcd_output, temp_1, temp_2, temp_3, temp_4, temp_quotient, temp_remainder);
UnsignedBigIntegerAlgorithms::multiply_without_allocation(temp_quotient, b, temp_1, temp_2, temp_3, temp_4, output);
UnsignedBigIntegerAlgorithms::multiply_without_allocation(temp_quotient, b, temp_1, temp_2, temp_3, output);
dbgln_if(NT_DEBUG, "quot: {} rem: {} out: {}", temp_quotient, temp_remainder, output);