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16 bytes alignmen of AES block

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This commit is contained in:
orignal 2014-11-26 11:04:49 -05:00
parent f7d90648e3
commit 357a9a6a56
3 changed files with 8 additions and 1 deletions
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1
Garlic.cpp
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@ -83,6 +83,7 @@ namespace garlic
I2NPMessage * GarlicRoutingSession::WrapSingleMessage (I2NPMessage * msg)
{
I2NPMessage * m = NewI2NPMessage ();
m->Align (12); // in order to get buf aligned to 16 (12 + 4)
size_t len = 0;
uint8_t * buf = m->GetPayload () + 4; // 4 bytes for length

6
I2NPProtocol.h
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@ -118,6 +118,12 @@ namespace tunnel
uint8_t * GetBuffer () { return buf + offset; };
const uint8_t * GetBuffer () const { return buf + offset; };
size_t GetLength () const { return len - offset; };
void Align (size_t alignment)
{
size_t rem = ((size_t)GetBuffer ()) % alignment;
if (rem)
offset += (alignment - rem);
}
I2NPMessage& operator=(const I2NPMessage& other)
{

2
aes.h
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@ -45,7 +45,7 @@ namespace crypto
AESAlignedBuffer ()
{
m_Buf = m_UnalignedBuffer;
uint8_t rem = ((uint64_t)m_Buf) & 0x0f;
uint8_t rem = ((size_t)m_Buf) & 0x0f;
if (rem)
m_Buf += (16 - rem);
}