OmniNX/Atmosphere
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

exo/vapours: refactor member variables to m_ over this->

Browse Source
This commit is contained in:
Michael Scire
2021-10-09 15:40:06 -07:00
parent 5a38311ebf
commit 67a45c97ef
55 changed files with 846 additions and 847 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
libraries/libvapours/source/crypto/impl/crypto_xts_mode_impl.cpp
View File

@@ -39,94 +39,94 @@ namespace ams::crypto::impl {
/* Xor. */
for (size_t i = 0; i < BlockSize; i++) {
tmp[i] = this->tweak[i] ^ src[i];
tmp[i] = m_tweak[i] ^ src[i];
}
/* Crypt */
this->cipher_func(tmp, tmp, this->cipher_ctx);
m_cipher_func(tmp, tmp, m_cipher_ctx);
/* Xor. */
for (size_t i = 0; i < BlockSize; i++) {
dst[i] = this->tweak[i] ^ tmp[i];
dst[i] = m_tweak[i] ^ tmp[i];
}
MultiplyTweakGeneric(reinterpret_cast<u64 *>(this->tweak));
MultiplyTweakGeneric(reinterpret_cast<u64 *>(m_tweak));
}
size_t XtsModeImpl::FinalizeEncryption(void *dst, size_t dst_size) {
AMS_ASSERT(this->state == State_Processing);
AMS_ASSERT(m_state == State_Processing);
AMS_UNUSED(dst_size);
u8 *dst_u8 = static_cast<u8 *>(dst);
size_t processed = 0;
if (this->num_buffered == 0) {
this->ProcessBlock(dst_u8, this->last_block);
if (m_num_buffered == 0) {
this->ProcessBlock(dst_u8, m_last_block);
processed = BlockSize;
} else {
this->ProcessBlock(this->last_block, this->last_block);
this->ProcessBlock(m_last_block, m_last_block);
std::memcpy(this->buffer + this->num_buffered, this->last_block + this->num_buffered, BlockSize - this->num_buffered);
std::memcpy(m_buffer + m_num_buffered, m_last_block + m_num_buffered, BlockSize - m_num_buffered);
this->ProcessBlock(dst_u8, this->buffer);
this->ProcessBlock(dst_u8, m_buffer);
std::memcpy(dst_u8 + BlockSize, this->last_block, this->num_buffered);
std::memcpy(dst_u8 + BlockSize, m_last_block, m_num_buffered);
processed = BlockSize + this->num_buffered;
processed = BlockSize + m_num_buffered;
}
this->state = State_Done;
m_state = State_Done;
return processed;
}
size_t XtsModeImpl::FinalizeDecryption(void *dst, size_t dst_size) {
AMS_ASSERT(this->state == State_Processing);
AMS_ASSERT(m_state == State_Processing);
AMS_UNUSED(dst_size);
u8 *dst_u8 = static_cast<u8 *>(dst);
size_t processed = 0;
if (this->num_buffered == 0) {
this->ProcessBlock(dst_u8, this->last_block);
if (m_num_buffered == 0) {
this->ProcessBlock(dst_u8, m_last_block);
processed = BlockSize;
} else {
u8 tmp_tweak[BlockSize];
std::memcpy(tmp_tweak, this->tweak, BlockSize);
MultiplyTweakGeneric(reinterpret_cast<u64 *>(this->tweak));
std::memcpy(tmp_tweak, m_tweak, BlockSize);
MultiplyTweakGeneric(reinterpret_cast<u64 *>(m_tweak));
this->ProcessBlock(this->last_block, this->last_block);
this->ProcessBlock(m_last_block, m_last_block);
std::memcpy(this->buffer + this->num_buffered, this->last_block + this->num_buffered, BlockSize - this->num_buffered);
std::memcpy(m_buffer + m_num_buffered, m_last_block + m_num_buffered, BlockSize - m_num_buffered);
std::memcpy(this->tweak, tmp_tweak, BlockSize);
std::memcpy(m_tweak, tmp_tweak, BlockSize);
this->ProcessBlock(dst_u8, this->buffer);
this->ProcessBlock(dst_u8, m_buffer);
std::memcpy(dst_u8 + BlockSize, this->last_block, this->num_buffered);
std::memcpy(dst_u8 + BlockSize, m_last_block, m_num_buffered);
processed = BlockSize + this->num_buffered;
processed = BlockSize + m_num_buffered;
}
this->state = State_Done;
m_state = State_Done;
return processed;
}
size_t XtsModeImpl::ProcessPartialData(u8 *dst, const u8 *src, size_t size) {
size_t processed = 0;
std::memcpy(this->buffer + this->num_buffered, src, size);
this->num_buffered += size;
std::memcpy(m_buffer + m_num_buffered, src, size);
m_num_buffered += size;
if (this->num_buffered == BlockSize) {
if (this->state == State_Processing) {
this->ProcessBlock(dst, this->last_block);
if (m_num_buffered == BlockSize) {
if (m_state == State_Processing) {
this->ProcessBlock(dst, m_last_block);
processed += BlockSize;
}
std::memcpy(this->last_block, this->buffer, BlockSize);
this->num_buffered = 0;
std::memcpy(m_last_block, m_buffer, BlockSize);
m_num_buffered = 0;
this->state = State_Processing;
m_state = State_Processing;
}
return processed;
@@ -135,8 +135,8 @@ namespace ams::crypto::impl {
size_t XtsModeImpl::ProcessRemainingData(u8 *dst, const u8 *src, size_t size) {
AMS_UNUSED(dst);
std::memcpy(this->buffer, src, size);
this->num_buffered = size;
std::memcpy(m_buffer, src, size);
m_num_buffered = size;
return 0;
}