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aligned AES keys

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orignal 2014-11-01 21:53:45 -04:00
parent f7791e5289
commit faf1fe7a7c
5 changed files with 18 additions and 17 deletions
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6
aes.cpp
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@ -40,7 +40,7 @@ namespace crypto
"pxor %%xmm2, %%xmm3 \n" \
"movaps %%xmm3, "#round1"(%[sched]) \n"
void ECBCryptoAESNI::ExpandKey (const uint8_t * key)
void ECBCryptoAESNI::ExpandKey (const AESKey& key)
{
__asm__
(
@ -73,7 +73,7 @@ namespace crypto
"pxor %%xmm2, %%xmm1 \n"
"movups %%xmm1, 224(%[sched]) \n"
: // output
: [key]"r"(key), [sched]"r"(m_KeySchedule) // input
: [key]"r"((const uint8_t *)key), [sched]"r"(m_KeySchedule) // input
: "%xmm1", "%xmm2", "%xmm3", "%xmm4" // clogged
);
}
@ -139,7 +139,7 @@ namespace crypto
"aesimc %%xmm0, %%xmm0 \n" \
"movaps %%xmm0, "#offset"(%[shed]) \n"
void ECBDecryptionAESNI::SetKey (const uint8_t * key)
void ECBDecryptionAESNI::SetKey (const AESKey& key)
{
ExpandKey (key); // expand encryption key first
// then invert it using aesimc