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[/] [sc2v/] [tags/] [arelease/] [examples/] [md5.cpp] - Blame information for rev 36

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//////////////////////////////////////////////////////////////////////
////                                                              ////
////  MD5 main implementation file                                ////
////                                                              ////
////  This file is part of the SystemC MD5                        ////
////                                                              ////
////  Description:                                                ////
////  MD5 main implementation file                                ////
////                                                              ////
////  To Do:                                                      ////
////   - done                                                     ////
////                                                              ////
////  Author(s):                                                  ////
////      - Javier Castillo, jcastilo@opencores.org               ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2000 Authors and OPENCORES.ORG                 ////
////                                                              ////
//// This source file may be used and distributed without         ////
//// restriction provided that this copyright statement is not    ////
//// removed from the file and that any derivative work contains  ////
//// the original copyright notice and the associated disclaimer. ////
////                                                              ////
//// This source file is free software; you can redistribute it   ////
//// and/or modify it under the terms of the GNU Lesser General   ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any   ////
//// later version.                                               ////
////                                                              ////
//// This source is distributed in the hope that it will be       ////
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
//// PURPOSE.  See the GNU Lesser General Public License for more ////
//// details.                                                     ////
////                                                              ////
//// You should have received a copy of the GNU Lesser General    ////
//// Public License along with this source; if not, download it   ////
//// from http://www.opencores.org/lgpl.shtml                     ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
//
// CVS Revision History
//
// $Log: not supported by cvs2svn $
// Revision 1.1.1.1  2004/09/08 16:24:49  jcastillo
// Initial release
//
 
#include "md5.h"
 
 
void
md5::md5_rom ()
{
  switch (round64.read ())
    {
    case 0:
      t.write (0xD76AA478070);
      break;
    case 1:
      t.write (0xE8C7B7560C1);
      break;
    case 2:
      t.write (0x242070DB112);
      break;
    case 3:
      t.write (0xC1BDCEEE163);
      break;
    case 4:
      t.write (0xF57C0FAF074);
      break;
    case 5:
      t.write (0x4787C62A0C5);
      break;
    case 6:
      t.write (0xA8304613116);
      break;
    case 7:
      t.write (0xFD469501167);
      break;
    case 8:
      t.write (0x698098D8078);
      break;
    case 9:
      t.write (0x8B44F7AF0C9);
      break;
    case 10:
      t.write (0xFFFF5BB111A);
      break;
    case 11:
      t.write (0x895CD7BE16B);
      break;
    case 12:
      t.write (0x6B90112207C);
      break;
    case 13:
      t.write (0xFD9871930CD);
      break;
    case 14:
      t.write (0xA679438E11E);
      break;
    case 15:
      t.write (0x49B4082116F);
      break;
 
    case 16:
      t.write (0xf61e2562051);
      break;
    case 17:
      t.write (0xc040b340096);
      break;
    case 18:
      t.write (0x265e5a510EB);
      break;
    case 19:
      t.write (0xe9b6c7aa140);
      break;
    case 20:
      t.write (0xd62f105d055);
      break;
    case 21:
      t.write (0x0244145309A);
      break;
    case 22:
      t.write (0xd8a1e6810EF);
      break;
    case 23:
      t.write (0xe7d3fbc8144);
      break;
    case 24:
      t.write (0x21e1cde6059);
      break;
    case 25:
      t.write (0xc33707d609E);
      break;
    case 26:
      t.write (0xf4d50d870E3);
      break;
    case 27:
      t.write (0x455a14ed148);
      break;
    case 28:
      t.write (0xa9e3e90505D);
      break;
    case 29:
      t.write (0xfcefa3f8092);
      break;
    case 30:
      t.write (0x676f02d90E7);
      break;
    case 31:
      t.write (0x8d2a4c8a14C);
      break;
 
    case 32:
      t.write (0xfffa3942045);
      break;
    case 33:
      t.write (0x8771f6810B8);
      break;
    case 34:
      t.write (0x6d9d612210B);
      break;
    case 35:
      t.write (0xfde5380c17E);
      break;
    case 36:
      t.write (0xa4beea44041);
      break;
    case 37:
      t.write (0x4bdecfa90B4);
      break;
    case 38:
      t.write (0xf6bb4b60107);
      break;
    case 39:
      t.write (0xbebfbc7017A);
      break;
    case 40:
      t.write (0x289b7ec604D);
      break;
    case 41:
      t.write (0xeaa127fa0B0);
      break;
    case 42:
      t.write (0xd4ef3085103);
      break;
    case 43:
      t.write (0x04881d05176);
      break;
    case 44:
      t.write (0xd9d4d039049);
      break;
    case 45:
      t.write (0xe6db99e50BC);
      break;
    case 46:
      t.write (0x1fa27cf810F);
      break;
    case 47:
      t.write (0xc4ac5665172);
      break;
 
    case 48:
      t.write (0xf4292244060);
      break;
    case 49:
      t.write (0x432aff970A7);
      break;
    case 50:
      t.write (0xab9423a70FE);
      break;
    case 51:
      t.write (0xfc93a039155);
      break;
    case 52:
      t.write (0x655b59c306C);
      break;
    case 53:
      t.write (0x8f0ccc920A3);
      break;
    case 54:
      t.write (0xffeff47d0FA);
      break;
    case 55:
      t.write (0x85845dd1151);
      break;
    case 56:
      t.write (0x6fa87e4f068);
      break;
    case 57:
      t.write (0xfe2ce6e00AF);
      break;
    case 58:
      t.write (0xa30143140F6);
      break;
    case 59:
      t.write (0x4e0811a115D);
      break;
    case 60:
      t.write (0xf7537e82064);
      break;
    case 61:
      t.write (0xbd3af2350AB);
      break;
    case 62:
      t.write (0x2ad7d2bb0F2);
      break;
    case 63:
      t.write (0xeb86d391159);
      break;
 
    }
}
 
 
void
md5::funcs ()
{
  sc_uint < 32 > aux, fr_var, tr_var, rotate1, rotate2;
  sc_uint < 8 > s_var;
  sc_uint < 4 > nblock;
  sc_uint < 32 > message_var[16];
 
  message_var[0]=message.read().range(511,480);
  message_var[1]=message.read().range(479,448);
  message_var[2]=message.read().range(447,416);
  message_var[3]=message.read().range(415,384);
  message_var[4]=message.read().range(383,352);
  message_var[5]=message.read().range(351,320);
  message_var[6]=message.read().range(319,288);
  message_var[7]=message.read().range(287,256);
  message_var[8]=message.read().range(255,224);
  message_var[9]=message.read().range(223,192);
  message_var[10]=message.read().range(191,160);
  message_var[11]=message.read().range(159,128);
  message_var[12]=message.read().range(127,96);
  message_var[13]=message.read().range(95,64);
  message_var[14]=message.read().range(63,32);
  message_var[15]=message.read().range(31,0);
 
  fr_var = 0;
 
  switch (round.read ())
    {
    case 0:
      fr_var = ((br.read () & cr.read ()) | (~br.read () & dr.read ()));
      break;
    case 1:
      fr_var = ((br.read () & dr.read ()) | (cr.read () & (~dr.read ())));
      break;
    case 2:
      fr_var = (br.read () ^ cr.read () ^ dr.read ());
      break;
    case 3:
      fr_var = (cr.read () ^ (br.read () | ~dr.read ()));
      break;
    default:
      break;
    }
 
  tr_var = t.read ().range (43, 12);
  s_var = t.read ().range (11, 4);
  nblock = t.read ().range (3, 0);
 
  aux = (ar.read () + fr_var + message_var[(int) nblock] + tr_var);
 
  //cout << (int)round64.read() << " " << (int)fr_var << " " << (int)aux << " " << (int)nblock << " " << (int)message_var[(int)nblock] << endl;
 
  rotate1 = aux << (int) s_var;
  rotate2 = aux >> (int) (32 - s_var);
  func_out.write (br.read () + (rotate1 | rotate2));
 
}
 
void
md5::round64FSM ()
{
 
  next_ar.write (ar.read ());
  next_br.write (br.read ());
  next_cr.write (cr.read ());
  next_dr.write (dr.read ());
  next_round64.write (round64.read ());
  next_round.write (round.read ());
  hash_generated.write (0);
 
  if (generate_hash.read () != 0)
    {
      next_ar.write (dr.read ());
      next_br.write (func_out.read ());
      next_cr.write (br.read ());
      next_dr.write (cr.read ());
    }
 
  switch (round64.read ())
    {
 
    case 0:
      next_round.write (0);
      if (generate_hash.read ())
        {
          next_round64.write (1);
        }
      break;
    case 15:
    case 31:
    case 47:
      next_round.write (round.read () + 1);
      next_round64.write (round64.read () + 1);
      break;
    case 63:
      next_round.write (0);
      next_round64.write (0);
      hash_generated.write (1);
      break;
    default:
      next_round64.write (round64.read () + 1);
      break;
    }
 
  if (newtext_i.read ())
    {
      next_ar.write (0x67452301);
      next_br.write (0xEFCDAB89);
      next_cr.write (0x98BADCFE);
      next_dr.write (0x10325476);
      next_round.write (0);
      next_round64.write (0);
    }
 
  if (getdata_state.read () == 0)
    {
      next_ar.write (A.read ());
      next_br.write (B.read ());
      next_cr.write (C.read ());
      next_dr.write (D.read ());
    }
}
 
void
md5::reg_signal ()
{
  if (!reset)
    {
      ready_o.write (0);
      data_o.write (0);
      message.write (0);
 
      ar.write (0x67452301);
      br.write (0xEFCDAB89);
      cr.write (0x98BADCFE);
      dr.write (0x10325476);
 
      getdata_state.write (0);
      generate_hash.write (0);
 
      round.write (0);
      round64.write (0);
 
      A.write (0x67452301);
      B.write (0xEFCDAB89);
      C.write (0x98BADCFE);
      D.write (0x10325476);
 
    }
  else
    {
      ready_o.write (next_ready_o.read ());
      data_o.write (next_data_o.read ());
      message.write (next_message.read ());
 
      ar.write (next_ar.read ());
      br.write (next_br.read ());
      cr.write (next_cr.read ());
      dr.write (next_dr.read ());
 
      A.write (next_A.read ());
      B.write (next_B.read ());
      C.write (next_C.read ());
      D.write (next_D.read ());
 
      generate_hash.write (next_generate_hash.read ());
      getdata_state.write (next_getdata_state.read ());
 
      round.write (next_round.read ());
      round64.write (next_round64.read ());
 
    }
 
}
 
 
void
md5::md5_getdata ()
{
 
  sc_biguint < 128 > data_o_var;
  sc_biguint < 512 > aux;
 
  sc_uint < 32 > A_t, B_t, C_t, D_t;
 
  next_A.write (A.read ());
  next_B.write (B.read ());
  next_C.write (C.read ());
  next_D.write (D.read ());
 
  next_generate_hash.write (0);
  next_ready_o.write (0);
  next_data_o.write (0);
 
  aux = message.read ();
  next_message.write (message.read ());
  next_getdata_state.write (getdata_state.read ());
 
  if (newtext_i.read ())
    {
      next_A.write (0x67452301);
      next_B.write (0xEFCDAB89);
      next_C.write (0x98BADCFE);
      next_D.write (0x10325476);
      next_getdata_state.write (0);
    }
 
  switch (getdata_state.read ())
    {
 
    case 0:
      if (load_i.read ())
        {
          aux.range (511, 384) = data_i.read ();
          next_message.write (aux);
          next_getdata_state.write (1);
        }
      break;
    case 1:
      if (load_i.read ())
        {
          aux.range (383, 256) = data_i.read ();
          next_message.write (aux);
          next_getdata_state.write (2);
        }
      break;
    case 2:
      if (load_i.read ())
        {
          aux.range (255, 128) = data_i.read ();
          next_message.write (aux);
          next_getdata_state.write (3);
        }
      break;
    case 3:
      if (load_i.read ())
        {
          aux.range (127, 0) = data_i.read ();
          next_message.write (aux);
          next_getdata_state.write (4);
          next_generate_hash.write (1);
        }
      break;
    case 4:
      next_generate_hash.write (1);
 
      A_t = dr.read () + A.read ();
      B_t = func_out.read () + B.read ();
      C_t = br.read () + C.read ();
      D_t = cr.read () + D.read ();
 
      data_o_var.range (127, 96) = A_t;
      data_o_var.range (95, 64) = B_t;
      data_o_var.range (63, 32) = C_t;
      data_o_var.range (31, 0) = D_t;
      next_data_o.write (data_o_var);
 
 
      if (hash_generated.read ())
        {
          next_A.write (A_t);
          next_B.write (B_t);
          next_C.write (C_t);
          next_D.write (D_t);
          next_getdata_state.write (0);
          next_ready_o.write (1);
          next_generate_hash.write (0);
        }
      break;
    }
 
}

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[/] [sc2v/] [tags/] [arelease/] [examples/] [md5.cpp] - Blame information for rev 36

Line No.	Rev	Author	Line
1	2	jcastillo	`//////////////////////////////////////////////////////////////////////`
2			`//// ////`
3			`//// MD5 main implementation file ////`
4			`//// ////`
5			`//// This file is part of the SystemC MD5 ////`
6			`//// ////`
7			`//// Description: ////`
8			`//// MD5 main implementation file ////`
9			`//// ////`
10			`//// To Do: ////`
11			`//// - done ////`
12			`//// ////`
13			`//// Author(s): ////`
14			`//// - Javier Castillo, jcastilo@opencores.org ////`
15			`//// ////`
16			`//////////////////////////////////////////////////////////////////////`
17			`//// ////`
18			`//// Copyright (C) 2000 Authors and OPENCORES.ORG ////`
19			`//// ////`
20			`//// This source file may be used and distributed without ////`
21			`//// restriction provided that this copyright statement is not ////`
22			`//// removed from the file and that any derivative work contains ////`
23			`//// the original copyright notice and the associated disclaimer. ////`
24			`//// ////`
25			`//// This source file is free software; you can redistribute it ////`
26			`//// and/or modify it under the terms of the GNU Lesser General ////`
27			`//// Public License as published by the Free Software Foundation; ////`
28			`//// either version 2.1 of the License, or (at your option) any ////`
29			`//// later version. ////`
30			`//// ////`
31			`//// This source is distributed in the hope that it will be ////`
32			`//// useful, but WITHOUT ANY WARRANTY; without even the implied ////`
33			`//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////`
34			`//// PURPOSE. See the GNU Lesser General Public License for more ////`
35			`//// details. ////`
36			`//// ////`
37			`//// You should have received a copy of the GNU Lesser General ////`
38			`//// Public License along with this source; if not, download it ////`
39			`//// from http://www.opencores.org/lgpl.shtml ////`
40			`//// ////`
41			`//////////////////////////////////////////////////////////////////////`
42			`//`
43			`// CVS Revision History`
44			`//`
45			`// $Log: not supported by cvs2svn $`
46			`// Revision 1.1.1.1 2004/09/08 16:24:49 jcastillo`
47			`// Initial release`
48			`//`
49
50			`#include "md5.h"`
51
52
53			`void`
54			`md5::md5_rom ()`
55			`{`
56			`switch (round64.read ())`
57			`{`
58			`case 0:`
59			`t.write (0xD76AA478070);`
60			`break;`
61			`case 1:`
62			`t.write (0xE8C7B7560C1);`
63			`break;`
64			`case 2:`
65			`t.write (0x242070DB112);`
66			`break;`
67			`case 3:`
68			`t.write (0xC1BDCEEE163);`
69			`break;`
70			`case 4:`
71			`t.write (0xF57C0FAF074);`
72			`break;`
73			`case 5:`
74			`t.write (0x4787C62A0C5);`
75			`break;`
76			`case 6:`
77			`t.write (0xA8304613116);`
78			`break;`
79			`case 7:`
80			`t.write (0xFD469501167);`
81			`break;`
82			`case 8:`
83			`t.write (0x698098D8078);`
84			`break;`
85			`case 9:`
86			`t.write (0x8B44F7AF0C9);`
87			`break;`
88			`case 10:`
89			`t.write (0xFFFF5BB111A);`
90			`break;`
91			`case 11:`
92			`t.write (0x895CD7BE16B);`
93			`break;`
94			`case 12:`
95			`t.write (0x6B90112207C);`
96			`break;`
97			`case 13:`
98			`t.write (0xFD9871930CD);`
99			`break;`
100			`case 14:`
101			`t.write (0xA679438E11E);`
102			`break;`
103			`case 15:`
104			`t.write (0x49B4082116F);`
105			`break;`
106
107			`case 16:`
108			`t.write (0xf61e2562051);`
109			`break;`
110			`case 17:`
111			`t.write (0xc040b340096);`
112			`break;`
113			`case 18:`
114			`t.write (0x265e5a510EB);`
115			`break;`
116			`case 19:`
117			`t.write (0xe9b6c7aa140);`
118			`break;`
119			`case 20:`
120			`t.write (0xd62f105d055);`
121			`break;`
122			`case 21:`
123			`t.write (0x0244145309A);`
124			`break;`
125			`case 22:`
126			`t.write (0xd8a1e6810EF);`
127			`break;`
128			`case 23:`
129			`t.write (0xe7d3fbc8144);`
130			`break;`
131			`case 24:`
132			`t.write (0x21e1cde6059);`
133			`break;`
134			`case 25:`
135			`t.write (0xc33707d609E);`
136			`break;`
137			`case 26:`
138			`t.write (0xf4d50d870E3);`
139			`break;`
140			`case 27:`
141			`t.write (0x455a14ed148);`
142			`break;`
143			`case 28:`
144			`t.write (0xa9e3e90505D);`
145			`break;`
146			`case 29:`
147			`t.write (0xfcefa3f8092);`
148			`break;`
149			`case 30:`
150			`t.write (0x676f02d90E7);`
151			`break;`
152			`case 31:`
153			`t.write (0x8d2a4c8a14C);`
154			`break;`
155
156			`case 32:`
157			`t.write (0xfffa3942045);`
158			`break;`
159			`case 33:`
160			`t.write (0x8771f6810B8);`
161			`break;`
162			`case 34:`
163			`t.write (0x6d9d612210B);`
164			`break;`
165			`case 35:`
166			`t.write (0xfde5380c17E);`
167			`break;`
168			`case 36:`
169			`t.write (0xa4beea44041);`
170			`break;`
171			`case 37:`
172			`t.write (0x4bdecfa90B4);`
173			`break;`
174			`case 38:`
175			`t.write (0xf6bb4b60107);`
176			`break;`
177			`case 39:`
178			`t.write (0xbebfbc7017A);`
179			`break;`
180			`case 40:`
181			`t.write (0x289b7ec604D);`
182			`break;`
183			`case 41:`
184			`t.write (0xeaa127fa0B0);`
185			`break;`
186			`case 42:`
187			`t.write (0xd4ef3085103);`
188			`break;`
189			`case 43:`
190			`t.write (0x04881d05176);`
191			`break;`
192			`case 44:`
193			`t.write (0xd9d4d039049);`
194			`break;`
195			`case 45:`
196			`t.write (0xe6db99e50BC);`
197			`break;`
198			`case 46:`
199			`t.write (0x1fa27cf810F);`
200			`break;`
201			`case 47:`
202			`t.write (0xc4ac5665172);`
203			`break;`
204
205			`case 48:`
206			`t.write (0xf4292244060);`
207			`break;`
208			`case 49:`
209			`t.write (0x432aff970A7);`
210			`break;`
211			`case 50:`
212			`t.write (0xab9423a70FE);`
213			`break;`
214			`case 51:`
215			`t.write (0xfc93a039155);`
216			`break;`
217			`case 52:`
218			`t.write (0x655b59c306C);`
219			`break;`
220			`case 53:`
221			`t.write (0x8f0ccc920A3);`
222			`break;`
223			`case 54:`
224			`t.write (0xffeff47d0FA);`
225			`break;`
226			`case 55:`
227			`t.write (0x85845dd1151);`
228			`break;`
229			`case 56:`
230			`t.write (0x6fa87e4f068);`
231			`break;`
232			`case 57:`
233			`t.write (0xfe2ce6e00AF);`
234			`break;`
235			`case 58:`
236			`t.write (0xa30143140F6);`
237			`break;`
238			`case 59:`
239			`t.write (0x4e0811a115D);`
240			`break;`
241			`case 60:`
242			`t.write (0xf7537e82064);`
243			`break;`
244			`case 61:`
245			`t.write (0xbd3af2350AB);`
246			`break;`
247			`case 62:`
248			`t.write (0x2ad7d2bb0F2);`
249			`break;`
250			`case 63:`
251			`t.write (0xeb86d391159);`
252			`break;`
253
254			`}`
255			`}`
256
257
258			`void`
259			`md5::funcs ()`
260			`{`
261			`sc_uint < 32 > aux, fr_var, tr_var, rotate1, rotate2;`
262			`sc_uint < 8 > s_var;`
263			`sc_uint < 4 > nblock;`
264			`sc_uint < 32 > message_var[16];`
265
266			`message_var[0]=message.read().range(511,480);`
267			`message_var[1]=message.read().range(479,448);`
268			`message_var[2]=message.read().range(447,416);`
269			`message_var[3]=message.read().range(415,384);`
270			`message_var[4]=message.read().range(383,352);`
271			`message_var[5]=message.read().range(351,320);`
272			`message_var[6]=message.read().range(319,288);`
273			`message_var[7]=message.read().range(287,256);`
274			`message_var[8]=message.read().range(255,224);`
275			`message_var[9]=message.read().range(223,192);`
276			`message_var[10]=message.read().range(191,160);`
277			`message_var[11]=message.read().range(159,128);`
278			`message_var[12]=message.read().range(127,96);`
279			`message_var[13]=message.read().range(95,64);`
280			`message_var[14]=message.read().range(63,32);`
281			`message_var[15]=message.read().range(31,0);`
282
283			`fr_var = 0;`
284
285			`switch (round.read ())`
286			`{`
287			`case 0:`
288			`fr_var = ((br.read () & cr.read ()) \| (~br.read () & dr.read ()));`
289			`break;`
290			`case 1:`
291			`fr_var = ((br.read () & dr.read ()) \| (cr.read () & (~dr.read ())));`
292			`break;`
293			`case 2:`
294			`fr_var = (br.read () ^ cr.read () ^ dr.read ());`
295			`break;`
296			`case 3:`
297			`fr_var = (cr.read () ^ (br.read () \| ~dr.read ()));`
298			`break;`
299			`default:`
300			`break;`
301			`}`
302
303			`tr_var = t.read ().range (43, 12);`
304			`s_var = t.read ().range (11, 4);`
305			`nblock = t.read ().range (3, 0);`
306
307			`aux = (ar.read () + fr_var + message_var[(int) nblock] + tr_var);`
308
309			`//cout << (int)round64.read() << " " << (int)fr_var << " " << (int)aux << " " << (int)nblock << " " << (int)message_var[(int)nblock] << endl;`
310
311			`rotate1 = aux << (int) s_var;`
312			`rotate2 = aux >> (int) (32 - s_var);`
313			`func_out.write (br.read () + (rotate1 \| rotate2));`
314
315			`}`
316
317			`void`
318			`md5::round64FSM ()`
319			`{`
320
321			`next_ar.write (ar.read ());`
322			`next_br.write (br.read ());`
323			`next_cr.write (cr.read ());`
324			`next_dr.write (dr.read ());`
325			`next_round64.write (round64.read ());`
326			`next_round.write (round.read ());`
327			`hash_generated.write (0);`
328
329			`if (generate_hash.read () != 0)`
330			`{`
331			`next_ar.write (dr.read ());`
332			`next_br.write (func_out.read ());`
333			`next_cr.write (br.read ());`
334			`next_dr.write (cr.read ());`
335			`}`
336
337			`switch (round64.read ())`
338			`{`
339
340			`case 0:`
341			`next_round.write (0);`
342			`if (generate_hash.read ())`
343			`{`
344			`next_round64.write (1);`
345			`}`
346			`break;`
347			`case 15:`
348			`case 31:`
349			`case 47:`
350			`next_round.write (round.read () + 1);`
351			`next_round64.write (round64.read () + 1);`
352			`break;`
353			`case 63:`
354			`next_round.write (0);`
355			`next_round64.write (0);`
356			`hash_generated.write (1);`
357			`break;`
358			`default:`
359			`next_round64.write (round64.read () + 1);`
360			`break;`
361			`}`
362
363			`if (newtext_i.read ())`
364			`{`
365			`next_ar.write (0x67452301);`
366			`next_br.write (0xEFCDAB89);`
367			`next_cr.write (0x98BADCFE);`
368			`next_dr.write (0x10325476);`
369			`next_round.write (0);`
370			`next_round64.write (0);`
371			`}`
372
373			`if (getdata_state.read () == 0)`
374			`{`
375			`next_ar.write (A.read ());`
376			`next_br.write (B.read ());`
377			`next_cr.write (C.read ());`
378			`next_dr.write (D.read ());`
379			`}`
380			`}`
381
382			`void`
383			`md5::reg_signal ()`
384			`{`
385			`if (!reset)`
386			`{`
387			`ready_o.write (0);`
388			`data_o.write (0);`
389			`message.write (0);`
390
391			`ar.write (0x67452301);`
392			`br.write (0xEFCDAB89);`
393			`cr.write (0x98BADCFE);`
394			`dr.write (0x10325476);`
395
396			`getdata_state.write (0);`
397			`generate_hash.write (0);`
398
399			`round.write (0);`
400			`round64.write (0);`
401
402			`A.write (0x67452301);`
403			`B.write (0xEFCDAB89);`
404			`C.write (0x98BADCFE);`
405			`D.write (0x10325476);`
406
407			`}`
408			`else`
409			`{`
410			`ready_o.write (next_ready_o.read ());`
411			`data_o.write (next_data_o.read ());`
412			`message.write (next_message.read ());`
413
414			`ar.write (next_ar.read ());`
415			`br.write (next_br.read ());`
416			`cr.write (next_cr.read ());`
417			`dr.write (next_dr.read ());`
418
419			`A.write (next_A.read ());`
420			`B.write (next_B.read ());`
421			`C.write (next_C.read ());`
422			`D.write (next_D.read ());`
423
424			`generate_hash.write (next_generate_hash.read ());`
425			`getdata_state.write (next_getdata_state.read ());`
426
427			`round.write (next_round.read ());`
428			`round64.write (next_round64.read ());`
429
430			`}`
431
432			`}`
433
434
435			`void`
436			`md5::md5_getdata ()`
437			`{`
438
439			`sc_biguint < 128 > data_o_var;`
440			`sc_biguint < 512 > aux;`
441
442			`sc_uint < 32 > A_t, B_t, C_t, D_t;`
443
444			`next_A.write (A.read ());`
445			`next_B.write (B.read ());`
446			`next_C.write (C.read ());`
447			`next_D.write (D.read ());`
448
449			`next_generate_hash.write (0);`
450			`next_ready_o.write (0);`
451			`next_data_o.write (0);`
452
453			`aux = message.read ();`
454			`next_message.write (message.read ());`
455			`next_getdata_state.write (getdata_state.read ());`
456
457			`if (newtext_i.read ())`
458			`{`
459			`next_A.write (0x67452301);`
460			`next_B.write (0xEFCDAB89);`
461			`next_C.write (0x98BADCFE);`
462			`next_D.write (0x10325476);`
463			`next_getdata_state.write (0);`
464			`}`
465
466			`switch (getdata_state.read ())`
467			`{`
468
469			`case 0:`
470			`if (load_i.read ())`
471			`{`
472			`aux.range (511, 384) = data_i.read ();`
473			`next_message.write (aux);`
474			`next_getdata_state.write (1);`
475			`}`
476			`break;`
477			`case 1:`
478			`if (load_i.read ())`
479			`{`
480			`aux.range (383, 256) = data_i.read ();`
481			`next_message.write (aux);`
482			`next_getdata_state.write (2);`
483			`}`
484			`break;`
485			`case 2:`
486			`if (load_i.read ())`
487			`{`
488			`aux.range (255, 128) = data_i.read ();`
489			`next_message.write (aux);`
490			`next_getdata_state.write (3);`
491			`}`
492			`break;`
493			`case 3:`
494			`if (load_i.read ())`
495			`{`
496			`aux.range (127, 0) = data_i.read ();`
497			`next_message.write (aux);`
498			`next_getdata_state.write (4);`
499			`next_generate_hash.write (1);`
500			`}`
501			`break;`
502			`case 4:`
503			`next_generate_hash.write (1);`
504
505			`A_t = dr.read () + A.read ();`
506			`B_t = func_out.read () + B.read ();`
507			`C_t = br.read () + C.read ();`
508			`D_t = cr.read () + D.read ();`
509
510			`data_o_var.range (127, 96) = A_t;`
511			`data_o_var.range (95, 64) = B_t;`
512			`data_o_var.range (63, 32) = C_t;`
513			`data_o_var.range (31, 0) = D_t;`
514			`next_data_o.write (data_o_var);`
515
516
517			`if (hash_generated.read ())`
518			`{`
519			`next_A.write (A_t);`
520			`next_B.write (B_t);`
521			`next_C.write (C_t);`
522			`next_D.write (D_t);`
523			`next_getdata_state.write (0);`
524			`next_ready_o.write (1);`
525			`next_generate_hash.write (0);`
526			`}`
527			`break;`
528			`}`
529
530			`}`