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Common: Put AES code within its own nested namespace

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Prevents the functions from potentially clashing with other stuff in Common in the future
This commit is contained in:
Lioncash 2018-02-03 17:48:50 -05:00 • committed by MerryMage
parent 40614202e7
commit d040920727
3 changed files with 24 additions and 24 deletions
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18
src/common/aes.cpp
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@ -9,7 +9,7 @@
#include "common/aes.h"
#include "common/common_types.h"
namespace Dynarmic::Common {
namespace Dynarmic::Common::AES {
using SubstitutionTable = std::array<u8, 256>;
@ -69,7 +69,7 @@ static constexpr u8 Multiply(u8 x, u8 y) {
((y >> 4 & 1) * xtime(xtime(xtime(xtime(x))))));
}
static void ShiftRows(AESState& out_state, const AESState& state) {
static void ShiftRows(State& out_state, const State& state) {
// Move zeroth row over
out_state[0] = state[0];
out_state[4] = state[4];
@ -100,7 +100,7 @@ static void ShiftRows(AESState& out_state, const AESState& state) {
out_state[7] = temp;
}
static void InverseShiftRows(AESState& out_state, const AESState& state) {
static void InverseShiftRows(State& out_state, const State& state) {
// Move zeroth row over
out_state[0] = state[0];
out_state[4] = state[4];
@ -131,7 +131,7 @@ static void InverseShiftRows(AESState& out_state, const AESState& state) {
out_state[15] = temp;
}
static void SubBytes(AESState& state, const SubstitutionTable& table) {
static void SubBytes(State& state, const SubstitutionTable& table) {
for (size_t i = 0; i < 4; i++) {
for (size_t j = 0; j < 4; j++) {
state[4 * i + j] = table[state[4 * i + j]];
@ -139,17 +139,17 @@ static void SubBytes(AESState& state, const SubstitutionTable& table) {
}
}
void DecryptSingleRound(AESState& out_state, const AESState& state) {
void DecryptSingleRound(State& out_state, const State& state) {
InverseShiftRows(out_state, state);
SubBytes(out_state, inverse_substitution_box);
}
void EncryptSingleRound(AESState& out_state, const AESState& state) {
void EncryptSingleRound(State& out_state, const State& state) {
ShiftRows(out_state, state);
SubBytes(out_state, substitution_box);
}
void MixColumns(AESState& out_state, const AESState& state) {
void MixColumns(State& out_state, const State& state) {
for (size_t i = 0; i < out_state.size(); i += 4) {
const u8 a = state[i];
const u8 b = state[i + 1];
@ -165,7 +165,7 @@ void MixColumns(AESState& out_state, const AESState& state) {
}
}
void InverseMixColumns(AESState& out_state, const AESState& state) {
void InverseMixColumns(State& out_state, const State& state) {
for (size_t i = 0; i < out_state.size(); i += 4) {
const u8 a = state[i];
const u8 b = state[i + 1];
@ -179,4 +179,4 @@ void InverseMixColumns(AESState& out_state, const AESState& state) {
}
}
} // namespace Dynarmic::Common
} // namespace Dynarmic::Common::AES