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Signed-off-by: contextswap <ctxswp@proton.me>
This commit is contained in:
contextswap 2023-05-04 06:32:58 +09:00
parent 535e2dc502
commit d5a02a3629
No known key found for this signature in database
GPG key ID: 06A0B660A90A787B
1 changed files with 12 additions and 8 deletions
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20
libi2pd/Crypto.cpp
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@ -749,7 +749,8 @@ namespace crypto
#ifdef __AES__ #ifdef __AES__
if(i2p::cpu::aesni) if(i2p::cpu::aesni)
{ {
__m128 xmm_1 = _mm_loadu_ps((float const*)(uint8_t const*)m_LastBlock); uint8_t *iv = m_LastBlock;
__m128 xmm_1 = _mm_loadu_ps((float const*)iv);
uint8_t *sched = m_ECBEncryption.GetKeySchedule(); uint8_t *sched = m_ECBEncryption.GetKeySchedule();
__m128 xmm_0; __m128 xmm_0;
for (int i = 0; i < numBlocks; i++) { for (int i = 0; i < numBlocks; i++) {
@ -761,7 +762,7 @@ namespace crypto
in = (ChipherBlock const*)((uint8_t const*)in + 16); in = (ChipherBlock const*)((uint8_t const*)in + 16);
out = (ChipherBlock *)((uint8_t *)out + 16); out = (ChipherBlock *)((uint8_t *)out + 16);
} }
_mm_storeu_ps((float*)(uint8_t *)m_LastBlock, xmm_1); _mm_storeu_ps((float*)iv, xmm_1);
} }
else else
#endif #endif
@ -788,13 +789,14 @@ namespace crypto
#ifdef __AES__ #ifdef __AES__
if(i2p::cpu::aesni) if(i2p::cpu::aesni)
{ {
__m128 xmm_1 = _mm_loadu_ps((float const*)(uint8_t const*)m_LastBlock); uint8_t *iv = m_LastBlock;
__m128 xmm_1 = _mm_loadu_ps((float const*)iv);
__m128 xmm_0 = _mm_loadu_ps((float const*)in); __m128 xmm_0 = _mm_loadu_ps((float const*)in);
xmm_0 = (__m128)_mm_xor_si128((__m128i)xmm_0, (__m128i)xmm_1); xmm_0 = (__m128)_mm_xor_si128((__m128i)xmm_0, (__m128i)xmm_1);
uint8_t *sched = m_ECBEncryption.GetKeySchedule(); uint8_t *sched = m_ECBEncryption.GetKeySchedule();
EncryptAES256(sched) EncryptAES256(sched)
_mm_storeu_ps((float *)out, xmm_0); _mm_storeu_ps((float *)out, xmm_0);
_mm_storeu_ps((float *)(uint8_t *)m_LastBlock, xmm_0); _mm_storeu_ps((float *)iv, xmm_0);
} }
else else
#endif #endif
@ -806,7 +808,8 @@ namespace crypto
#ifdef __AES__ #ifdef __AES__
if(i2p::cpu::aesni) if(i2p::cpu::aesni)
{ {
__m128 xmm_1 = _mm_loadu_ps((float const*)(uint8_t const*)m_IV); uint8_t *iv = m_IV;
__m128 xmm_1 = _mm_loadu_ps((float const*)iv);
__m128 xmm_0, xmm_2; __m128 xmm_0, xmm_2;
uint8_t *sched = m_ECBDecryption.GetKeySchedule(); uint8_t *sched = m_ECBDecryption.GetKeySchedule();
for (int i = 0; i < numBlocks; i++) { for (int i = 0; i < numBlocks; i++) {
@ -819,7 +822,7 @@ namespace crypto
in = (ChipherBlock const*)((uint8_t const*)in + 16); in = (ChipherBlock const*)((uint8_t const*)in + 16);
out = (ChipherBlock *)((uint8_t *)out + 16); out = (ChipherBlock *)((uint8_t *)out + 16);
} }
_mm_storeu_ps((float*)(uint8_t*)m_IV, xmm_1); _mm_storeu_ps((float*)iv, xmm_1);
} }
else else
#endif #endif
@ -846,9 +849,10 @@ namespace crypto
#ifdef __AES__ #ifdef __AES__
if(i2p::cpu::aesni) if(i2p::cpu::aesni)
{ {
__m128 xmm_1 = _mm_load_ps((float const*)(uint8_t const*)m_IV); uint8_t *iv = m_IV;
__m128 xmm_1 = _mm_load_ps((float const*)iv);
__m128 xmm_0 = _mm_load_ps((float const*)in); __m128 xmm_0 = _mm_load_ps((float const*)in);
_mm_store_ps((float*)(uint8_t*)m_IV, xmm_0); _mm_store_ps((float*)iv, xmm_0);
uint8_t *sched = m_ECBDecryption.GetKeySchedule(); uint8_t *sched = m_ECBDecryption.GetKeySchedule();
DecryptAES256(sched) DecryptAES256(sched)
xmm_0 = (__m128)_mm_xor_si128((__m128i)xmm_0, (__m128i)xmm_1); xmm_0 = (__m128)_mm_xor_si128((__m128i)xmm_0, (__m128i)xmm_1);