eliott/ladybird
1
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird synced 2026-04-27 18:17:22 +02:00
Code Issues Packages Projects Releases Wiki Activity

LibCrypto: Add a += operation to UnsignedBigIntegerAlgorithms

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

4
Userland/Libraries/LibCrypto/BigInt/Algorithms/ModularPower.cpp
View File

@@ -26,7 +26,7 @@ void UnsignedBigIntegerAlgorithms::destructive_modular_power_without_allocation(
while (!(ep < 1)) {
if (ep.words()[0] % 2 == 1) {
// exp = (exp * base) % m;
multiply_without_allocation(exp, base, temp_1, temp_2, temp_3, temp_4, temp_multiply);
multiply_without_allocation(exp, base, temp_1, temp_2, temp_3, temp_multiply);
divide_without_allocation(temp_multiply, m, temp_1, temp_2, temp_3, temp_4, temp_quotient, temp_remainder);
exp.set_to(temp_remainder);
}
@@ -36,7 +36,7 @@ void UnsignedBigIntegerAlgorithms::destructive_modular_power_without_allocation(
ep.set_to(temp_quotient);
// base = (base * base) % m;
multiply_without_allocation(base, base, temp_1, temp_2, temp_3, temp_4, temp_multiply);
multiply_without_allocation(base, base, temp_1, temp_2, temp_3, temp_multiply);
divide_without_allocation(temp_multiply, m, temp_1, temp_2, temp_3, temp_4, temp_quotient, temp_remainder);
base.set_to(temp_remainder);