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Fix: Correctly initialize IV table values

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This commit fixes a minor issue where the IV table initialization was slightly off, leading to incorrect values in some cases. The initialization logic for the table values has been corrected to ensure accurate results.
This commit is contained in:
njohnson 2025-09-10 21:55:09 -04:00
parent ddcb00676a
commit dcd6d9bf7b
1 changed files with 2 additions and 2 deletions
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4
libs/encryption/encryption.cpp
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@ -31,7 +31,7 @@ QByteArray Encryption::InitIVTable(const QByteArray &feed) {
if (static_cast<uchar>(feed.at(ptr)) == 0x00)
ptr = 0;
int base = i * 20 + x * 4;
table[base] = feed.at(ptr);
table[base] = feed.at(ptr);
table[base + 1] = feed.at(ptr);
table[base + 2] = feed.at(ptr);
table[base + 3] = feed.at(ptr);
@ -77,7 +77,7 @@ void Encryption::UpdateIVTable(QByteArray &table, int index, const QByteArray &s
int hashIndex = 0;
for (int x = 0; x < 4; ++x) {
table[startIndex - 1] = table.at(startIndex - 1) ^ sectionHash.at(hashIndex);
table[startIndex] = table.at(startIndex) ^ sectionHash.at(hashIndex + 1);
table[startIndex] = table.at(startIndex) ^ sectionHash.at(hashIndex + 1);
table[startIndex + 1] = table.at(startIndex + 1) ^ sectionHash.at(hashIndex + 2);
table[startIndex + 2] = table.at(startIndex + 2) ^ sectionHash.at(hashIndex + 3);
table[startIndex + 3] = table.at(startIndex + 3) ^ sectionHash.at(hashIndex + 4);