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34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
#include "aes.h"
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#include "Tools/aes.h"
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#include "Tools/cpu_support.h"
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#include <stdexcept>
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#ifdef _WIN32
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#include "StdAfx.h"
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#endif
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void AES_128_Key_Expansion(const unsigned char *userkey, AES_KEY *aesKey)
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{
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#ifdef __AES__
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if (cpu_has_aes())
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{
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block x0,x1,x2;
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//block *kp = (block *)&aesKey;
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aesKey->rd_key[0] = x0 = _mm_loadu_si128((block*)userkey);
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x2 = _mm_setzero_si128();
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 1); aesKey->rd_key[1] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 2); aesKey->rd_key[2] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 4); aesKey->rd_key[3] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 8); aesKey->rd_key[4] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 16); aesKey->rd_key[5] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 32); aesKey->rd_key[6] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 64); aesKey->rd_key[7] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 128); aesKey->rd_key[8] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 27); aesKey->rd_key[9] = x0;
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EXPAND_ASSIST(x0, x1, x2, x0, 255, 54); aesKey->rd_key[10] = x0;
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}
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else
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#endif
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aes_128_schedule((uint*) aesKey->rd_key, userkey);
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}
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