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Member "hashcat-6.2.6/deps/LZMA-SDK/C/Aes.c" (2 Sep 2022, 9565 Bytes) of package /linux/privat/hashcat-6.2.6.tar.gz:


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    1 /* Aes.c -- AES encryption / decryption
    2 2021-04-01 : Igor Pavlov : Public domain */
    3 
    4 #include "Precomp.h"
    5 
    6 #include "CpuArch.h"
    7 #include "Aes.h"
    8 
    9 AES_CODE_FUNC g_AesCbc_Decode;
   10 #ifndef _SFX
   11 AES_CODE_FUNC g_AesCbc_Encode;
   12 AES_CODE_FUNC g_AesCtr_Code;
   13 UInt32 g_Aes_SupportedFunctions_Flags;
   14 #endif
   15 
   16 static UInt32 T[256 * 4];
   17 static const Byte Sbox[256] = {
   18   0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
   19   0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
   20   0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
   21   0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
   22   0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
   23   0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
   24   0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
   25   0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
   26   0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
   27   0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
   28   0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
   29   0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
   30   0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
   31   0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
   32   0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
   33   0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16};
   34 
   35 
   36 static UInt32 D[256 * 4];
   37 static Byte InvS[256];
   38 
   39 #define xtime(x) ((((x) << 1) ^ (((x) & 0x80) != 0 ? 0x1B : 0)) & 0xFF)
   40 
   41 #define Ui32(a0, a1, a2, a3) ((UInt32)(a0) | ((UInt32)(a1) << 8) | ((UInt32)(a2) << 16) | ((UInt32)(a3) << 24))
   42 
   43 #define gb0(x) ( (x)          & 0xFF)
   44 #define gb1(x) (((x) >> ( 8)) & 0xFF)
   45 #define gb2(x) (((x) >> (16)) & 0xFF)
   46 #define gb3(x) (((x) >> (24)))
   47 
   48 #define gb(n, x) gb ## n(x)
   49 
   50 #define TT(x) (T + (x << 8))
   51 #define DD(x) (D + (x << 8))
   52 
   53 
   54 // #define _SHOW_AES_STATUS
   55 
   56 #ifdef MY_CPU_X86_OR_AMD64
   57   #define USE_HW_AES
   58 #elif defined(MY_CPU_ARM_OR_ARM64) && defined(MY_CPU_LE)
   59   #if defined(__clang__)
   60     #if (__clang_major__ >= 8) // fix that check
   61       #define USE_HW_AES
   62     #endif
   63   #elif defined(__GNUC__)
   64     #if (__GNUC__ >= 6) // fix that check
   65       #define USE_HW_AES
   66     #endif
   67   #elif defined(_MSC_VER)
   68     #if _MSC_VER >= 1910
   69       #define USE_HW_AES
   70     #endif
   71   #endif
   72 #endif
   73 
   74 #ifdef USE_HW_AES
   75 #ifdef _SHOW_AES_STATUS
   76 #include <stdio.h>
   77 #define _PRF(x) x
   78 #else
   79 #define _PRF(x)
   80 #endif
   81 #endif
   82 
   83 
   84 void AesGenTables(void)
   85 {
   86   unsigned i;
   87   for (i = 0; i < 256; i++)
   88     InvS[Sbox[i]] = (Byte)i;
   89   
   90   for (i = 0; i < 256; i++)
   91   {
   92     {
   93       UInt32 a1 = Sbox[i];
   94       UInt32 a2 = xtime(a1);
   95       UInt32 a3 = a2 ^ a1;
   96       TT(0)[i] = Ui32(a2, a1, a1, a3);
   97       TT(1)[i] = Ui32(a3, a2, a1, a1);
   98       TT(2)[i] = Ui32(a1, a3, a2, a1);
   99       TT(3)[i] = Ui32(a1, a1, a3, a2);
  100     }
  101     {
  102       UInt32 a1 = InvS[i];
  103       UInt32 a2 = xtime(a1);
  104       UInt32 a4 = xtime(a2);
  105       UInt32 a8 = xtime(a4);
  106       UInt32 a9 = a8 ^ a1;
  107       UInt32 aB = a8 ^ a2 ^ a1;
  108       UInt32 aD = a8 ^ a4 ^ a1;
  109       UInt32 aE = a8 ^ a4 ^ a2;
  110       DD(0)[i] = Ui32(aE, a9, aD, aB);
  111       DD(1)[i] = Ui32(aB, aE, a9, aD);
  112       DD(2)[i] = Ui32(aD, aB, aE, a9);
  113       DD(3)[i] = Ui32(a9, aD, aB, aE);
  114     }
  115   }
  116   
  117   {
  118   AES_CODE_FUNC d = AesCbc_Decode;
  119   #ifndef _SFX
  120   AES_CODE_FUNC e = AesCbc_Encode;
  121   AES_CODE_FUNC c = AesCtr_Code;
  122   UInt32 flags = 0;
  123   #endif
  124   
  125   #ifdef USE_HW_AES
  126   if (CPU_IsSupported_AES())
  127   {
  128     // #pragma message ("AES HW")
  129     _PRF(printf("\n===AES HW\n"));
  130     d = AesCbc_Decode_HW;
  131 
  132     #ifndef _SFX
  133     e = AesCbc_Encode_HW;
  134     c = AesCtr_Code_HW;
  135     flags = k_Aes_SupportedFunctions_HW;
  136     #endif
  137 
  138     #ifdef MY_CPU_X86_OR_AMD64
  139     if (CPU_IsSupported_VAES_AVX2())
  140     {
  141       _PRF(printf("\n===vaes avx2\n"));
  142       d = AesCbc_Decode_HW_256;
  143       #ifndef _SFX
  144       c = AesCtr_Code_HW_256;
  145       flags |= k_Aes_SupportedFunctions_HW_256;
  146       #endif
  147     }
  148     #endif
  149   }
  150   #endif
  151 
  152   g_AesCbc_Decode = d;
  153   #ifndef _SFX
  154   g_AesCbc_Encode = e;
  155   g_AesCtr_Code = c;
  156   g_Aes_SupportedFunctions_Flags = flags;
  157   #endif
  158   }
  159 }
  160 
  161 
  162 #define HT(i, x, s) TT(x)[gb(x, s[(i + x) & 3])]
  163 
  164 #define HT4(m, i, s, p) m[i] = \
  165     HT(i, 0, s) ^ \
  166     HT(i, 1, s) ^ \
  167     HT(i, 2, s) ^ \
  168     HT(i, 3, s) ^ w[p + i]
  169 
  170 #define HT16(m, s, p) \
  171     HT4(m, 0, s, p); \
  172     HT4(m, 1, s, p); \
  173     HT4(m, 2, s, p); \
  174     HT4(m, 3, s, p); \
  175 
  176 #define FT(i, x) Sbox[gb(x, m[(i + x) & 3])]
  177 #define FT4(i) dest[i] = Ui32(FT(i, 0), FT(i, 1), FT(i, 2), FT(i, 3)) ^ w[i];
  178 
  179 
  180 #define HD(i, x, s) DD(x)[gb(x, s[(i - x) & 3])]
  181 
  182 #define HD4(m, i, s, p) m[i] = \
  183     HD(i, 0, s) ^ \
  184     HD(i, 1, s) ^ \
  185     HD(i, 2, s) ^ \
  186     HD(i, 3, s) ^ w[p + i];
  187 
  188 #define HD16(m, s, p) \
  189     HD4(m, 0, s, p); \
  190     HD4(m, 1, s, p); \
  191     HD4(m, 2, s, p); \
  192     HD4(m, 3, s, p); \
  193 
  194 #define FD(i, x) InvS[gb(x, m[(i - x) & 3])]
  195 #define FD4(i) dest[i] = Ui32(FD(i, 0), FD(i, 1), FD(i, 2), FD(i, 3)) ^ w[i];
  196 
  197 void MY_FAST_CALL Aes_SetKey_Enc(UInt32 *w, const Byte *key, unsigned keySize)
  198 {
  199   unsigned i, m;
  200   const UInt32 *wLim;
  201   UInt32 t;
  202   UInt32 rcon = 1;
  203   
  204   keySize /= 4;
  205   w[0] = ((UInt32)keySize / 2) + 3;
  206   w += 4;
  207 
  208   for (i = 0; i < keySize; i++, key += 4)
  209     w[i] = GetUi32(key);
  210 
  211   t = w[(size_t)keySize - 1];
  212   wLim = w + (size_t)keySize * 3 + 28;
  213   m = 0;
  214   do
  215   {
  216     if (m == 0)
  217     {
  218       t = Ui32(Sbox[gb1(t)] ^ rcon, Sbox[gb2(t)], Sbox[gb3(t)], Sbox[gb0(t)]);
  219       rcon <<= 1;
  220       if (rcon & 0x100)
  221         rcon = 0x1b;
  222       m = keySize;
  223     }
  224     else if (m == 4 && keySize > 6)
  225       t = Ui32(Sbox[gb0(t)], Sbox[gb1(t)], Sbox[gb2(t)], Sbox[gb3(t)]);
  226     m--;
  227     t ^= w[0];
  228     w[keySize] = t;
  229   }
  230   while (++w != wLim);
  231 }
  232 
  233 void MY_FAST_CALL Aes_SetKey_Dec(UInt32 *w, const Byte *key, unsigned keySize)
  234 {
  235   unsigned i, num;
  236   Aes_SetKey_Enc(w, key, keySize);
  237   num = keySize + 20;
  238   w += 8;
  239   for (i = 0; i < num; i++)
  240   {
  241     UInt32 r = w[i];
  242     w[i] =
  243       DD(0)[Sbox[gb0(r)]] ^
  244       DD(1)[Sbox[gb1(r)]] ^
  245       DD(2)[Sbox[gb2(r)]] ^
  246       DD(3)[Sbox[gb3(r)]];
  247   }
  248 }
  249 
  250 /* Aes_Encode and Aes_Decode functions work with little-endian words.
  251   src and dest are pointers to 4 UInt32 words.
  252   src and dest can point to same block */
  253 
  254 // MY_FORCE_INLINE
  255 static void Aes_Encode(const UInt32 *w, UInt32 *dest, const UInt32 *src)
  256 {
  257   UInt32 s[4];
  258   UInt32 m[4];
  259   UInt32 numRounds2 = w[0];
  260   w += 4;
  261   s[0] = src[0] ^ w[0];
  262   s[1] = src[1] ^ w[1];
  263   s[2] = src[2] ^ w[2];
  264   s[3] = src[3] ^ w[3];
  265   w += 4;
  266   for (;;)
  267   {
  268     HT16(m, s, 0);
  269     if (--numRounds2 == 0)
  270       break;
  271     HT16(s, m, 4);
  272     w += 8;
  273   }
  274   w += 4;
  275   FT4(0); FT4(1); FT4(2); FT4(3);
  276 }
  277 
  278 MY_FORCE_INLINE
  279 static void Aes_Decode(const UInt32 *w, UInt32 *dest, const UInt32 *src)
  280 {
  281   UInt32 s[4];
  282   UInt32 m[4];
  283   UInt32 numRounds2 = w[0];
  284   w += 4 + numRounds2 * 8;
  285   s[0] = src[0] ^ w[0];
  286   s[1] = src[1] ^ w[1];
  287   s[2] = src[2] ^ w[2];
  288   s[3] = src[3] ^ w[3];
  289   for (;;)
  290   {
  291     w -= 8;
  292     HD16(m, s, 4);
  293     if (--numRounds2 == 0)
  294       break;
  295     HD16(s, m, 0);
  296   }
  297   FD4(0); FD4(1); FD4(2); FD4(3);
  298 }
  299 
  300 void AesCbc_Init(UInt32 *p, const Byte *iv)
  301 {
  302   unsigned i;
  303   for (i = 0; i < 4; i++)
  304     p[i] = GetUi32(iv + i * 4);
  305 }
  306 
  307 void MY_FAST_CALL AesCbc_Encode(UInt32 *p, Byte *data, size_t numBlocks)
  308 {
  309   for (; numBlocks != 0; numBlocks--, data += AES_BLOCK_SIZE)
  310   {
  311     p[0] ^= GetUi32(data);
  312     p[1] ^= GetUi32(data + 4);
  313     p[2] ^= GetUi32(data + 8);
  314     p[3] ^= GetUi32(data + 12);
  315     
  316     Aes_Encode(p + 4, p, p);
  317     
  318     SetUi32(data,      p[0]);
  319     SetUi32(data + 4,  p[1]);
  320     SetUi32(data + 8,  p[2]);
  321     SetUi32(data + 12, p[3]);
  322   }
  323 }
  324 
  325 void MY_FAST_CALL AesCbc_Decode(UInt32 *p, Byte *data, size_t numBlocks)
  326 {
  327   UInt32 in[4], out[4];
  328   for (; numBlocks != 0; numBlocks--, data += AES_BLOCK_SIZE)
  329   {
  330     in[0] = GetUi32(data);
  331     in[1] = GetUi32(data + 4);
  332     in[2] = GetUi32(data + 8);
  333     in[3] = GetUi32(data + 12);
  334 
  335     Aes_Decode(p + 4, out, in);
  336 
  337     SetUi32(data,      p[0] ^ out[0]);
  338     SetUi32(data + 4,  p[1] ^ out[1]);
  339     SetUi32(data + 8,  p[2] ^ out[2]);
  340     SetUi32(data + 12, p[3] ^ out[3]);
  341     
  342     p[0] = in[0];
  343     p[1] = in[1];
  344     p[2] = in[2];
  345     p[3] = in[3];
  346   }
  347 }
  348 
  349 void MY_FAST_CALL AesCtr_Code(UInt32 *p, Byte *data, size_t numBlocks)
  350 {
  351   for (; numBlocks != 0; numBlocks--)
  352   {
  353     UInt32 temp[4];
  354     unsigned i;
  355 
  356     if (++p[0] == 0)
  357       p[1]++;
  358     
  359     Aes_Encode(p + 4, temp, p);
  360     
  361     for (i = 0; i < 4; i++, data += 4)
  362     {
  363       UInt32 t = temp[i];
  364 
  365       #ifdef MY_CPU_LE_UNALIGN
  366         *((UInt32 *)(void *)data) ^= t;
  367       #else
  368         data[0] ^= (t & 0xFF);
  369         data[1] ^= ((t >> 8) & 0xFF);
  370         data[2] ^= ((t >> 16) & 0xFF);
  371         data[3] ^= ((t >> 24));
  372       #endif
  373     }
  374   }
  375 }