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fix: Use CHAR_BIT instead of UINT8_WIDTH

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Fix building on Windows
This commit is contained in:
Mary 2023-06-19 23:35:08 +02:00
parent 86dd7f54f5
commit 6bdc754e86
1 changed files with 5 additions and 5 deletions
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10
include/crypto/aes_engine.hpp
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@ -16,17 +16,17 @@ namespace Crypto {
template<std::size_t N>
static std::array<uint8_t, N> rolArray(const std::array<uint8_t, N>& value, std::size_t bits) {
const auto bitWidth = N * UINT8_WIDTH;
const auto bitWidth = N * CHAR_BIT;
bits %= bitWidth;
const auto byteShift = bits / UINT8_WIDTH;
const auto bitShift = bits % UINT8_WIDTH;
const auto byteShift = bits / CHAR_BIT;
const auto bitShift = bits % CHAR_BIT;
std::array<uint8_t, N> result;
for (std::size_t i = 0; i < N; i++) {
result[i] = ((value[(i + byteShift) % N] << bitShift) | (value[(i + byteShift + 1) % N] >> (UINT8_WIDTH - bitShift))) & UINT8_MAX;
result[i] = ((value[(i + byteShift) % N] << bitShift) | (value[(i + byteShift + 1) % N] >> (CHAR_BIT - bitShift))) & UINT8_MAX;
}
return result;
@ -40,7 +40,7 @@ namespace Crypto {
for (std::int64_t i = N - 1; i >= 0; i--) {
sum = a[i] + b[i] + carry;
carry = sum >> UINT8_WIDTH;
carry = sum >> CHAR_BIT;
result[i] = static_cast<std::uint8_t>(sum & UINT8_MAX);
}