/[mldonkey]/mldonkey/src/networks/fasttrack/enc_type_20.c
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revision 1.7 by mldonkey, Mon Nov 1 11:23:01 2004 UTC revision 1.8 by spiralvoice, Mon Aug 1 23:53:54 2005 UTC
# Line 61  static int __attribute__ ((const)) my_sq Line 61  static int __attribute__ ((const)) my_sq
61  /* the entry point of this mess */  /* the entry point of this mess */
62  /* this all works on unsigned ints so endianess is not an issue */  /* this all works on unsigned ints so endianess is not an issue */
63    
64  void mix (u32 *pad, u32 seed);  static void mix (u32 *pad, u32 seed);
65    
66  void enc_type_20 (u32 *pad, u32 seed)  void enc_type_20 (u32 *pad, u32 seed)
67  {  {
# Line 129  static void minor_37 (u32 *pad); Line 129  static void minor_37 (u32 *pad);
129  #define minor_34 pad[7] ^= my_sqrt(pad[11])  #define minor_34 pad[7] ^= my_sqrt(pad[11])
130  #define minor_35 pad[5] += my_sqrt(pad[7])  #define minor_35 pad[5] += my_sqrt(pad[7])
131    
132  void minor_36 (u32 *pad)  static void minor_36 (u32 *pad)
133  {  {
134          pad[3] ^= pad[11] * 0xeef27425;          pad[3] ^= pad[11] * 0xeef27425;
135          pad[3] += my_sqrt (pad[0]);          pad[3] += my_sqrt (pad[0]);
# Line 145  void minor_36 (u32 *pad) Line 145  void minor_36 (u32 *pad)
145          ROLEQ (pad[12], ROL (pad[9] - 0xe848f43c, 11));          ROLEQ (pad[12], ROL (pad[9] - 0xe848f43c, 11));
146  }  }
147    
148  void minor_37 (u32 *pad)  static void minor_37 (u32 *pad)
149  {  {
150          ROLEQ (pad[2], pad[7] + 0x1b);          ROLEQ (pad[2], pad[7] + 0x1b);
151          pad[2] ^= pad[9] * 0x7941955;          pad[2] ^= pad[9] * 0x7941955;
# Line 160  void minor_37 (u32 *pad) Line 160  void minor_37 (u32 *pad)
160          pad[18] += pad[0] ^ 0x3cf1856;          pad[18] += pad[0] ^ 0x3cf1856;
161  }  }
162    
163  void major_1 (u32 *pad, u32 seed)  static void major_1 (u32 *pad, u32 seed)
164  {  {
165          int branch = (pad[17] ^ pad[4] ^ pad[13]) % 13;          int branch = (pad[17] ^ pad[4] ^ pad[13]) % 13;
166    
# Line 278  void major_1 (u32 *pad, u32 seed) Line 278  void major_1 (u32 *pad, u32 seed)
278          }          }
279  }  }
280    
281  void major_2 (u32 *pad, u32 seed)  static void major_2 (u32 *pad, u32 seed)
282  {  {
283          int branch = pad[10] & 15;          int branch = pad[10] & 15;
284    
# Line 429  void major_2 (u32 *pad, u32 seed) Line 429  void major_2 (u32 *pad, u32 seed)
429          pad[12] ^= my_sin (pad[0]) ? 0x96d5a5a4 : pad[5];          pad[12] ^= my_sin (pad[0]) ? 0x96d5a5a4 : pad[5];
430  }  }
431    
432  void major_3 (u32 *pad, u32 seed)  static void major_3 (u32 *pad, u32 seed)
433  {  {
434          int branch = (pad[5] ^ seed ^ pad[12]) % 10;          int branch = (pad[5] ^ seed ^ pad[12]) % 10;
435    
# Line 520  void major_3 (u32 *pad, u32 seed) Line 520  void major_3 (u32 *pad, u32 seed)
520          }          }
521  }  }
522    
523  void major_4 (u32 *pad, u32 seed)  static void major_4 (u32 *pad, u32 seed)
524  {  {
525          int branch = pad[6] % 7;          int branch = pad[6] % 7;
526    
# Line 592  void major_4 (u32 *pad, u32 seed) Line 592  void major_4 (u32 *pad, u32 seed)
592          }          }
593  }  }
594    
595  void major_5 (u32 *pad, u32 seed)  static void major_5 (u32 *pad, u32 seed)
596  {  {
597          int branch = (pad[13] ^ pad[6] ^ pad[16]) & 15;          int branch = (pad[13] ^ pad[6] ^ pad[16]) & 15;
598    
# Line 746  void major_5 (u32 *pad, u32 seed) Line 746  void major_5 (u32 *pad, u32 seed)
746          pad[6] *= pad[5] * 0x1d;          pad[6] *= pad[5] * 0x1d;
747  }  }
748    
749  void major_6 (u32 *pad, u32 seed)  static void major_6 (u32 *pad, u32 seed)
750  {  {
751          int branch = pad[17] % 15;          int branch = pad[17] % 15;
752    
# Line 884  void major_6 (u32 *pad, u32 seed) Line 884  void major_6 (u32 *pad, u32 seed)
884          }          }
885  }  }
886    
887  void major_7 (u32 *pad, u32 seed)  static void major_7 (u32 *pad, u32 seed)
888  {  {
889          int branch = (pad[10] ^ pad[11] ^ pad[18]) & 15;          int branch = (pad[10] ^ pad[11] ^ pad[18]) & 15;
890    
# Line 1091  void major_7 (u32 *pad, u32 seed) Line 1091  void major_7 (u32 *pad, u32 seed)
1091          pad[1] ^= pad[2] & 0x3b627777;          pad[1] ^= pad[2] & 0x3b627777;
1092  }  }
1093    
1094  void major_8 (u32 *pad, u32 seed)  static void major_8 (u32 *pad, u32 seed)
1095  {  {
1096          int branch = (pad[2] ^ seed ^ pad[17]) & 15;          int branch = (pad[2] ^ seed ^ pad[17]) & 15;
1097    
# Line 1282  void major_8 (u32 *pad, u32 seed) Line 1282  void major_8 (u32 *pad, u32 seed)
1282          ROLEQ (pad[2], 0x6c0798b3 ^ seed);          ROLEQ (pad[2], 0x6c0798b3 ^ seed);
1283  }  }
1284    
1285  void major_9 (u32 *pad, u32 seed)  static void major_9 (u32 *pad, u32 seed)
1286  {  {
1287          int branch = pad[8] & 15;          int branch = pad[8] & 15;
1288    
# Line 1425  void major_9 (u32 *pad, u32 seed) Line 1425  void major_9 (u32 *pad, u32 seed)
1425          pad[13] |= pad[3] * 0x3e;          pad[13] |= pad[3] * 0x3e;
1426  }  }
1427    
1428  void major_10 (u32 *pad, u32 seed)  static void major_10 (u32 *pad, u32 seed)
1429  {  {
1430          int branch = (pad[4] ^ pad[12] ^ pad[17]) & 15;          int branch = (pad[4] ^ pad[12] ^ pad[17]) & 15;
1431    
# Line 1615  void major_10 (u32 *pad, u32 seed) Line 1615  void major_10 (u32 *pad, u32 seed)
1615          pad[3] += pad[13] + 0x3ba9c809;          pad[3] += pad[13] + 0x3ba9c809;
1616  }  }
1617    
1618  void major_11 (u32 *pad, u32 seed)  static void major_11 (u32 *pad, u32 seed)
1619  {  {
1620          int branch = (pad[6] ^ seed ^ pad[14]) & 15;          int branch = (pad[6] ^ seed ^ pad[14]) & 15;
1621    
# Line 1787  void major_11 (u32 *pad, u32 seed) Line 1787  void major_11 (u32 *pad, u32 seed)
1787          pad[2] &= ROL (pad[19], 14);          pad[2] &= ROL (pad[19], 14);
1788  }  }
1789    
1790  void major_12 (u32 *pad, u32 seed)  static void major_12 (u32 *pad, u32 seed)
1791  {  {
1792          int branch = (pad[7] ^ seed ^ pad[18]) & 15;          int branch = (pad[7] ^ seed ^ pad[18]) & 15;
1793    
# Line 1956  void major_12 (u32 *pad, u32 seed) Line 1956  void major_12 (u32 *pad, u32 seed)
1956          pad[4] ^= pad[4] - 0xe87fd622;          pad[4] ^= pad[4] - 0xe87fd622;
1957  }  }
1958    
1959  void major_13 (u32 *pad, u32 seed)  static void major_13 (u32 *pad, u32 seed)
1960  {  {
1961          int branch = (pad[4] ^ seed ^ pad[18]) & 15;          int branch = (pad[4] ^ seed ^ pad[18]) & 15;
1962    
# Line 2137  void major_13 (u32 *pad, u32 seed) Line 2137  void major_13 (u32 *pad, u32 seed)
2137          pad[16] -= pad[11] < 0x1e7d86ee ? pad[11] : seed;          pad[16] -= pad[11] < 0x1e7d86ee ? pad[11] : seed;
2138  }  }
2139    
2140  void major_14 (u32 *pad, u32 seed)  static void major_14 (u32 *pad, u32 seed)
2141  {  {
2142          int branch = (pad[8] ^ seed ^ pad[11]) % 14;          int branch = (pad[8] ^ seed ^ pad[11]) % 14;
2143    
# Line 2271  void major_14 (u32 *pad, u32 seed) Line 2271  void major_14 (u32 *pad, u32 seed)
2271          pad[12] -= my_sin (pad[10]) ? 0x2818ae3c : seed;          pad[12] -= my_sin (pad[10]) ? 0x2818ae3c : seed;
2272  }  }
2273    
2274  void major_15 (u32 *pad, u32 seed)  static void major_15 (u32 *pad, u32 seed)
2275  {  {
2276          int branch = (pad[17] ^ seed ^ pad[19]) % 9;          int branch = (pad[17] ^ seed ^ pad[19]) % 9;
2277    
# Line 2355  void major_15 (u32 *pad, u32 seed) Line 2355  void major_15 (u32 *pad, u32 seed)
2355          }          }
2356  }  }
2357    
2358  void major_16 (u32 *pad, u32 seed)  static void major_16 (u32 *pad, u32 seed)
2359  {  {
2360          int branch = (pad[11] ^ seed ^ pad[5]) % 12;          int branch = (pad[11] ^ seed ^ pad[5]) % 12;
2361    
# Line 2468  void major_16 (u32 *pad, u32 seed) Line 2468  void major_16 (u32 *pad, u32 seed)
2468          pad[12] |= ROL (pad[7], 14);          pad[12] |= ROL (pad[7], 14);
2469  }  }
2470    
2471  void major_17 (u32 *pad, u32 seed)  static void major_17 (u32 *pad, u32 seed)
2472  {  {
2473          int branch = (pad[8] ^ pad[7] ^ pad[12]) % 6;          int branch = (pad[8] ^ pad[7] ^ pad[12]) % 6;
2474    
# Line 2531  void major_17 (u32 *pad, u32 seed) Line 2531  void major_17 (u32 *pad, u32 seed)
2531          }          }
2532  }  }
2533    
2534  void major_18 (u32 *pad, u32 seed)  static void major_18 (u32 *pad, u32 seed)
2535  {  {
2536          int branch = (pad[14] ^ pad[11] ^ pad[17]) & 7;          int branch = (pad[14] ^ pad[11] ^ pad[17]) & 7;
2537    
# Line 2613  void major_18 (u32 *pad, u32 seed) Line 2613  void major_18 (u32 *pad, u32 seed)
2613          ROLEQ (pad[18], pad[7] & 0x11);          ROLEQ (pad[18], pad[7] & 0x11);
2614  }  }
2615    
2616  void major_19 (u32 *pad, u32 seed)  static void major_19 (u32 *pad, u32 seed)
2617  {  {
2618          int branch = (pad[18] ^ pad[6] ^ pad[15]) & 3;          int branch = (pad[18] ^ pad[6] ^ pad[15]) & 3;
2619    
# Line 2659  void major_19 (u32 *pad, u32 seed) Line 2659  void major_19 (u32 *pad, u32 seed)
2659          }          }
2660  }  }
2661    
2662  void major_21 (u32 *pad, u32 seed)  static void major_21 (u32 *pad, u32 seed)
2663  {  {
2664          int branch = (pad[1] ^ pad[0] ^ pad[16]) % 11;          int branch = (pad[1] ^ pad[0] ^ pad[16]) % 11;
2665    
# Line 2770  void major_21 (u32 *pad, u32 seed) Line 2770  void major_21 (u32 *pad, u32 seed)
2770          pad[11] ^= pad[17] * 0x44;          pad[11] ^= pad[17] * 0x44;
2771  }  }
2772    
2773  void major_22 (u32 *pad, u32 seed)  static void major_22 (u32 *pad, u32 seed)
2774  {  {
2775          int branch = (pad[5] ^ pad[0] ^ seed) & 15;          int branch = (pad[5] ^ pad[0] ^ seed) & 15;
2776    
# Line 2956  void major_22 (u32 *pad, u32 seed) Line 2956  void major_22 (u32 *pad, u32 seed)
2956          pad[0] += my_sin (pad[0]) ? 0x9bcd446 : pad[14];          pad[0] += my_sin (pad[0]) ? 0x9bcd446 : pad[14];
2957  }  }
2958    
2959  void major_23 (u32 *pad, u32 seed)  static void major_23 (u32 *pad, u32 seed)
2960  {  {
2961          int branch = seed & 1;          int branch = seed & 1;
2962    
# Line 2989  void major_23 (u32 *pad, u32 seed) Line 2989  void major_23 (u32 *pad, u32 seed)
2989          ROREQ (pad[7], pad[13]);          ROREQ (pad[7], pad[13]);
2990  }  }
2991    
2992  void major_24 (u32 *pad, u32 seed)  static void major_24 (u32 *pad, u32 seed)
2993  {  {
2994          int branch = (pad[2] ^ seed ^ pad[7]) % 3;          int branch = (pad[2] ^ seed ^ pad[7]) % 3;
2995    
# Line 3023  void major_24 (u32 *pad, u32 seed) Line 3023  void major_24 (u32 *pad, u32 seed)
3023          }          }
3024  }  }
3025    
3026  void major_25 (u32 *pad, u32 seed)  static void major_25 (u32 *pad, u32 seed)
3027  {  {
3028          int branch = (pad[7] ^ pad[2] ^ seed) % 5;          int branch = (pad[7] ^ pad[2] ^ seed) % 5;
3029    
# Line 3079  void major_25 (u32 *pad, u32 seed) Line 3079  void major_25 (u32 *pad, u32 seed)
3079          ROLEQ (pad[1], pad[15] + 0x19);          ROLEQ (pad[1], pad[15] + 0x19);
3080  }  }
3081    
3082  void mix (u32 *pad, u32 seed)  static void mix (u32 *pad, u32 seed)
3083  {  {
3084          int branch = (pad[5] ^ pad[9] ^ pad[19]) & 15;          int branch = (pad[5] ^ pad[9] ^ pad[19]) & 15;
3085    

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