diamond_8cpp-source.html

Crypto++是一个非常强大的密码学库,主要是功能全

00190 <span class="preprocessor"></span>        word32 temp1     = ((word32(a[4])&lt;&lt;24) | a[14]) &amp; 0x01000080;
00191 <span class="preprocessor">#endif</span>
00192 <span class="preprocessor"></span>                   temp1    |=                      permtable[0][a[5]] |
00193                                            permtable[1][a[6]] | permtable[2][a[7]] |
00194                                            permtable[3][a[8]] | permtable[4][a[9]] |
00195                                            permtable[5][a[10]] | permtable[6][a[11]] |
00196                                            permtable[7][a[12]] | permtable[8][a[13]];
00197 
00198 <span class="preprocessor">#ifdef IS_LITTLE_ENDIAN</span>
00199 <span class="preprocessor"></span>        word32 temp2     = (a[8] | (word32(a[2])&lt;&lt;24)) &amp; 0x80000001;
00200 <span class="preprocessor">#else</span>
00201 <span class="preprocessor"></span>        word32 temp2     = ((word32(a[8])&lt;&lt;24) | a[2]) &amp; 0x01000080;
00202 <span class="preprocessor">#endif</span>
00203 <span class="preprocessor"></span>                   temp2    |=                       permtable[0][a[9]] |
00204                                            permtable[1][a[10]] | permtable[2][a[11]] |
00205                                            permtable[3][a[12]] | permtable[4][a[13]] |
00206                                            permtable[5][a[14]] | permtable[6][a[15]] |
00207                                            permtable[7][a[0]] | permtable[8][a[1]];
00208 
00209 <span class="preprocessor">#ifdef IS_LITTLE_ENDIAN</span>
00210 <span class="preprocessor"></span>        word32 temp3     = (a[12] | (word32(a[6])&lt;&lt;24)) &amp; 0x80000001;
00211 <span class="preprocessor">#else</span>
00212 <span class="preprocessor"></span>        word32 temp3     = ((word32(a[12])&lt;&lt;24) | a[6]) &amp; 0x01000080;
00213 <span class="preprocessor">#endif</span>
00214 <span class="preprocessor"></span>        ((word32 *)a)[3] = temp3 |               permtable[0][a[13]] |
00215                                            permtable[1][a[14]] | permtable[2][a[15]] |
00216                                            permtable[3][a[0]] | permtable[4][a[1]] |
00217                                            permtable[5][a[2]] | permtable[6][a[3]] |
00218                                            permtable[7][a[4]] | permtable[8][a[5]];
00219 
00220         ((word32 *)a)[0] = temp0;
00221         ((word32 *)a)[1] = temp1;
00222         ((word32 *)a)[2] = temp2;
00223 }
00224 
00225 <span class="keyword">inline</span> <span class="keywordtype">void</span> Diamond2::Base::ipermute(byte *a)
00226 {
00227 <span class="preprocessor">#ifdef IS_LITTLE_ENDIAN</span>
00228 <span class="preprocessor"></span>        word32 temp0     = (a[9] | (word32(a[3])&lt;&lt;24)) &amp; 0x01000080;
00229 <span class="preprocessor">#else</span>
00230 <span class="preprocessor"></span>        word32 temp0     = ((word32(a[9])&lt;&lt;24) | a[3]) &amp; 0x80000001;
00231 <span class="preprocessor">#endif</span>
00232 <span class="preprocessor"></span>                   temp0    |=                      ipermtable[0][a[2]] |
00233                                            ipermtable[1][a[1]] | ipermtable[2][a[0]] |
00234                                            ipermtable[3][a[15]] | ipermtable[4][a[14]] |
00235                                            ipermtable[5][a[13]] | ipermtable[6][a[12]] |
00236                                            ipermtable[7][a[11]] | ipermtable[8][a[10]];
00237 
00238 <span class="preprocessor">#ifdef IS_LITTLE_ENDIAN</span>
00239 <span class="preprocessor"></span>        word32 temp1     = (a[13] | (word32(a[7])&lt;&lt;24)) &amp; 0x01000080;
00240 <span class="preprocessor">#else</span>
00241 <span class="preprocessor"></span>        word32 temp1     = ((word32(a[13])&lt;&lt;24) | a[7]) &amp; 0x80000001;
00242 <span class="preprocessor">#endif</span>
00243 <span class="preprocessor"></span>                   temp1    |=                      ipermtable[0][a[6]] |
00244                                            ipermtable[1][a[5]] | ipermtable[2][a[4]] |
00245                                            ipermtable[3][a[3]] | ipermtable[4][a[2]] |
00246                                            ipermtable[5][a[1]] | ipermtable[6][a[0]] |
00247                                            ipermtable[7][a[15]] | ipermtable[8][a[14]];
00248 
00249 <span class="preprocessor">#ifdef IS_LITTLE_ENDIAN</span>
00250 <span class="preprocessor"></span>        word32 temp2     = (a[1] | (word32(a[11])&lt;&lt;24)) &amp; 0x01000080;
00251 <span class="preprocessor">#else</span>
00252 <span class="preprocessor"></span>        word32 temp2     = ((word32(a[1])&lt;&lt;24) | a[11]) &amp; 0x80000001;
00253 <span class="preprocessor">#endif</span>
00254 <span class="preprocessor"></span>                   temp2    |=                      ipermtable[0][a[10]] |
00255                                            ipermtable[1][a[9]] | ipermtable[2][a[8]] |
00256                                            ipermtable[3][a[7]] | ipermtable[4][a[6]] |
00257                                            ipermtable[5][a[5]] | ipermtable[6][a[4]] |
00258                                            ipermtable[7][a[3]] | ipermtable[8][a[2]];
00259 
00260 <span class="preprocessor">#ifdef IS_LITTLE_ENDIAN</span>
00261 <span class="preprocessor"></span>        word32 temp3     = (a[5] | (word32(a[15])&lt;&lt;24)) &amp; 0x01000080;
00262 <span class="preprocessor">#else</span>
00263 <span class="preprocessor"></span>        word32 temp3     = ((word32(a[5])&lt;&lt;24) | a[15]) &amp; 0x80000001;
00264 <span class="preprocessor">#endif</span>
00265 <span class="preprocessor"></span>        ((word32 *)a)[3] = temp3 |               ipermtable[0][a[14]] |
00266                                            ipermtable[1][a[13]] | ipermtable[2][a[12]] |
00267                                            ipermtable[3][a[11]] | ipermtable[4][a[10]] |
00268                                            ipermtable[5][a[9]] | ipermtable[6][a[8]] |
00269                                            ipermtable[7][a[7]] | ipermtable[8][a[6]];
00270 
00271         ((word32 *)a)[0] = temp0;
00272         ((word32 *)a)[1] = temp1;
00273         ((word32 *)a)[2] = temp2;
00274 }
00275 
00276 <span class="preprocessor">#else // DIAMOND_USE_PERMTABLE</span>
00277 <span class="preprocessor"></span>
00278 <span class="keyword">inline</span> <span class="keywordtype">void</span> Diamond2::Base::permute(byte *x)
00279 {
00280         byte y[16];
00281 
00282         y[0] = (x[0] &amp; 1) | (x[1] &amp; 2) | (x[2] &amp; 4) |
00283                         (x[3] &amp; 8) | (x[4] &amp; 16) | (x[5] &amp; 32) |
00284                         (x[6] &amp; 64) | (x[7] &amp; 128);
00285         y[1] = (x[1] &amp; 1) | (x[2] &amp; 2) | (x[3] &amp; 4) |
00286                         (x[4] &amp; 8) | (x[5] &amp; 16) | (x[6] &amp; 32) |
00287                         (x[7] &amp; 64) | (x[8] &amp; 128);
00288         y[2] = (x[2] &amp; 1) | (x[3] &amp; 2) | (x[4] &amp; 4) |
00289                         (x[5] &amp; 8) | (x[6] &amp; 16) | (x[7] &amp; 32) |
00290                         (x[8] &amp; 64) | (x[9] &amp; 128);
00291         y[3] = (x[3] &amp; 1) | (x[4] &amp; 2) | (x[5] &amp; 4) |
00292                         (x[6] &amp; 8) | (x[7] &amp; 16) | (x[8] &amp; 32) |
00293                         (x[9] &amp; 64) | (x[10] &amp; 128);
00294         y[4] = (x[4] &amp; 1) | (x[5] &amp; 2) | (x[6] &amp; 4) |
00295                         (x[7] &amp; 8) | (x[8] &amp; 16) | (x[9] &amp; 32) |
00296                         (x[10] &amp; 64) | (x[11] &amp; 128);
00297         y[5] = (x[5] &amp; 1) | (x[6] &amp; 2) | (x[7] &amp; 4) |
00298                         (x[8] &amp; 8) | (x[9] &amp; 16) | (x[10] &amp; 32) |
00299                         (x[11] &amp; 64) | (x[12] &amp; 128);
00300         y[6] = (x[6] &amp; 1) | (x[7] &amp; 2) | (x[8] &amp; 4) |
00301                         (x[9] &amp; 8) | (x[10] &amp; 16) | (x[11] &amp; 32) |
00302                         (x[12] &amp; 64) | (x[13] &amp; 128);
00303         y[7] = (x[7] &amp; 1) | (x[8] &amp; 2) | (x[9] &amp; 4) |
00304                         (x[10] &amp; 8) | (x[11] &amp; 16) | (x[12] &amp; 32) |
00305                         (x[13] &amp; 64) | (x[14] &amp; 128);
00306         y[8] = (x[8] &amp; 1) | (x[9] &amp; 2) | (x[10] &amp; 4) |
00307                         (x[11] &amp; 8) | (x[12] &amp; 16) | (x[13] &amp; 32) |
00308                         (x[14] &amp; 64) | (x[15] &amp; 128);
00309         y[9] = (x[9] &amp; 1) | (x[10] &amp; 2) | (x[11] &amp; 4) |
00310                         (x[12] &amp; 8) | (x[13] &amp; 16) | (x[14] &amp; 32) |
00311                         (x[15] &amp; 64) | (x[0] &amp; 128);
00312         y[10] = (x[10] &amp; 1) | (x[11] &amp; 2) | (x[12] &amp; 4) |
00313                         (x[13] &amp; 8) | (x[14] &amp; 16) | (x[15] &amp; 32) |
00314                         (x[0] &amp; 64) | (x[1] &amp; 128);
00315         y[11] = (x[11] &amp; 1) | (x[12] &amp; 2) | (x[13] &amp; 4) |
00316                         (x[14] &amp; 8) | (x[15] &amp; 16) | (x[0] &amp; 32) |
00317                         (x[1] &amp; 64) | (x[2] &amp; 128);
00318         y[12] = (x[12] &amp; 1) | (x[13] &amp; 2) | (x[14] &amp; 4) |
00319                         (x[15] &amp; 8) | (x[0] &amp; 16) | (x[1] &amp; 32) |
00320                         (x[2] &amp; 64) | (x[3] &amp; 128);
00321         y[13] = (x[13] &amp; 1) | (x[14] &amp; 2) | (x[15] &amp; 4) |
00322                         (x[0] &amp; 8) | (x[1] &amp; 16) | (x[2] &amp; 32) |
00323                         (x[3] &amp; 64) | (x[4] &amp; 128);
00324         y[14] = (x[14] &amp; 1) | (x[15] &amp; 2) | (x[0] &amp; 4) |
00325                         (x[1] &amp; 8) | (x[2] &amp; 16) | (x[3] &amp; 32) |
00326                         (x[4] &amp; 64) | (x[5] &amp; 128);
00327         y[15] = (x[15] &amp; 1) | (x[0] &amp; 2) | (x[1] &amp; 4) |
00328                         (x[2] &amp; 8) | (x[3] &amp; 16) | (x[4] &amp; 32) |
00329                         (x[5] &amp; 64) | (x[6] &amp; 128);
00330 
00331         memcpy(x, y, 16);
00332 }
00333 
00334 <span class="keyword">inline</span> <span class="keywordtype">void</span> Diamond2::Base::ipermute(byte *x)
00335 {
00336         byte y[16];
00337 
00338         y[0] = (x[0] &amp; 1) | (x[15] &amp; 2) | (x[14] &amp; 4) |
00339                         (x[13] &amp; 8) | (x[12] &amp; 16) | (x[11] &amp; 32) |
00340                         (x[10] &amp; 64) | (x[9] &amp; 128);
00341         y[1] = (x[1] &amp; 1) | (x[0] &amp; 2) | (x[15] &amp; 4) |
00342                         (x[14] &amp; 8) | (x[13] &amp; 16) | (x[12] &amp; 32) |
00343                         (x[11] &amp; 64) | (x[10] &amp; 128);
00344         y[2] = (x[2] &amp; 1) | (x[1] &amp; 2) | (x[0] &amp; 4) |
00345                         (x[15] &amp; 8) | (x[14] &amp; 16) | (x[13] &amp; 32) |
00346                         (x[12] &amp; 64) | (x[11] &amp; 128);
00347         y[3] = (x[3] &amp; 1) | (x[2] &amp; 2) | (x[1] &amp; 4) |
00348                         (x[0] &amp; 8) | (x[15] &amp; 16) | (x[14] &amp; 32) |
00349                         (x[13] &amp; 64) | (x[12] &amp; 128);
00350         y[4] = (x[4] &amp; 1) | (x[3] &amp; 2) | (x[2] &amp; 4) |
00351                         (x[1] &amp; 8) | (x[0] &amp; 16) | (x[15] &amp; 32) |
00352                         (x[14] &amp; 64) | (x[13] &amp; 128);
00353         y[5] = (x[5] &amp; 1) | (x[4] &amp; 2) | (x[3] &amp; 4) |
00354                         (x[2] &amp; 8) | (x[1] &amp; 16) | (x[0] &amp; 32) |
00355                         (x[15] &amp; 64) | (x[14] &amp; 128);
00356         y[6] = (x[6] &amp; 1) | (x[5] &amp; 2) | (x[4] &amp; 4) |
00357                         (x[3] &amp; 8) | (x[2] &amp; 16) | (x[1] &amp; 32) |
00358                         (x[0] &amp; 64) | (x[15] &amp; 128);
00359         y[7] = (x[7] &amp; 1) | (x[6] &amp; 2) | (x[5] &amp; 4) |
00360                         (x[4] &amp; 8) | (x[3] &amp; 16) | (x[2] &amp; 32) |
00361                         (x[1] &amp; 64) | (x[0] &amp; 128);
00362         y[8] = (x[8] &amp; 1) | (x[7] &amp; 2) | (x[6] &amp; 4) |
00363                         (x[5] &amp; 8) | (x[4] &amp; 16) | (x[3] &amp; 32) |
00364                         (x[2] &amp; 64) | (x[1] &amp; 128);
00365         y[9] = (x[9] &amp; 1) | (x[8] &amp; 2) | (x[7] &amp; 4) |
00366                         (x[6] &amp; 8) | (x[5] &amp; 16) | (x[4] &amp; 32) |
00367                         (x[3] &amp; 64) | (x[2] &amp; 128);
00368         y[10] = (x[10] &amp; 1) | (x[9] &amp; 2) | (x[8] &amp; 4) |
00369                         (x[7] &amp; 8) | (x[6] &amp; 16) | (x[5] &amp; 32) |
00370                         (x[4] &amp; 64) | (x[3] &amp; 128);
00371         y[11] = (x[11] &amp; 1) | (x[10] &amp; 2) | (x[9] &amp; 4) |
00372                         (x[8] &amp; 8) | (x[7] &amp; 16) | (x[6] &amp; 32) |
00373                         (x[5] &amp; 64) | (x[4] &amp; 128);
00374         y[12] = (x[12] &amp; 1) | (x[11] &amp; 2) | (x[10] &amp; 4) |
00375                         (x[9] &amp; 8) | (x[8] &amp; 16) | (x[7] &amp; 32) |
00376                         (x[6] &amp; 64) | (x[5] &amp; 128);
00377         y[13] = (x[13] &amp; 1) | (x[12] &amp; 2) | (x[11] &amp; 4) |
00378                         (x[10] &amp; 8) | (x[9] &amp; 16) | (x[8] &amp; 32) |
00379                         (x[7] &amp; 64) | (x[6] &amp; 128);
00380         y[14] = (x[14] &amp; 1) | (x[13] &amp; 2) | (x[12] &amp; 4) |
00381                         (x[11] &amp; 8) | (x[10] &amp; 16) | (x[9] &amp; 32) |
00382                         (x[8] &amp; 64) | (x[7] &amp; 128);
00383         y[15] = (x[15] &amp; 1) | (x[14] &amp; 2) | (x[13] &amp; 4) |
00384                         (x[12] &amp; 8) | (x[11] &amp; 16) | (x[10] &amp; 32) |
00385                         (x[9] &amp; 64) | (x[8] &amp; 128);