aes/i386/aes_modes.c

127 aes_rval aes_ecb_encrypt(const unsigned char *ibuf, unsigned char *obuf,

143         if(!addr_mod_16(ibuf) && !addr_mod_16(obuf))

145             via_ecb_op5(ksp,cwd,ibuf,obuf,nb);

156                 op = (addr_mod_16(obuf) ? buf : obuf);

163                 if(op != obuf)

164                     memcpy(obuf, buf, m * AES_BLOCK_SIZE);

167                 obuf += m * AES_BLOCK_SIZE;

180         aes_encrypt(ibuf, obuf, ctx);

182         obuf += AES_BLOCK_SIZE;

188 aes_rval aes_ecb_decrypt(const unsigned char *ibuf, unsigned char *obuf,

204         if(!addr_mod_16(ibuf) && !addr_mod_16(obuf))

206             via_ecb_op5(ksp,cwd,ibuf,obuf,nb);

217                 op = (addr_mod_16(obuf) ? buf : obuf);

224                 if(op != obuf)

225                     memcpy(obuf, buf, m * AES_BLOCK_SIZE);

228                 obuf += m * AES_BLOCK_SIZE;

241         aes_decrypt(ibuf, obuf, ctx);

243         obuf += AES_BLOCK_SIZE;

249 aes_rval aes_cbc_encrypt(const unsigned char *ibuf, unsigned char *obuf,

272         if(!addr_mod_16(ibuf) && !addr_mod_16(obuf) && !addr_mod_16(iv))

274             via_cbc_op7(ksp,cwd,ibuf,obuf,nb,ivp,ivp);

285                 op = (addr_mod_16(obuf) ? buf : obuf);

292                 if(op != obuf)

293                     memcpy(obuf, buf, m * AES_BLOCK_SIZE);

296                 obuf += m * AES_BLOCK_SIZE;

319             memcpy(obuf, iv, AES_BLOCK_SIZE);

321             obuf += AES_BLOCK_SIZE;

336             memcpy(obuf, iv, AES_BLOCK_SIZE);

338             obuf += AES_BLOCK_SIZE;

357 aes_rval aes_cbc_decrypt(const unsigned char *ibuf, unsigned char *obuf,

381         if(!addr_mod_16(ibuf) && !addr_mod_16(obuf) && !addr_mod_16(iv))

383             via_cbc_op6(ksp,cwd,ibuf,obuf,nb,ivp);

394                 op = (addr_mod_16(obuf) ? buf : obuf);

401                 if(op != obuf)

402                     memcpy(obuf, buf, m * AES_BLOCK_SIZE);

405                 obuf += m * AES_BLOCK_SIZE;

419     if(!addr_mod_04(obuf) && !addr_mod_04(iv))

423             aes_decrypt(ibuf, obuf, ctx);

424             lp32(obuf)[0] ^= lp32(iv)[0];

425             lp32(obuf)[1] ^= lp32(iv)[1];

426             lp32(obuf)[2] ^= lp32(iv)[2];

427             lp32(obuf)[3] ^= lp32(iv)[3];

430             obuf += AES_BLOCK_SIZE;

437             aes_decrypt(ibuf, obuf, ctx);

438             obuf[ 0] ^= iv[ 0]; obuf[ 1] ^= iv[ 1];

439             obuf[ 2] ^= iv[ 2]; obuf[ 3] ^= iv[ 3];

440             obuf[ 4] ^= iv[ 4]; obuf[ 5] ^= iv[ 5];

441             obuf[ 6] ^= iv[ 6]; obuf[ 7] ^= iv[ 7];

442             obuf[ 8] ^= iv[ 8]; obuf[ 9] ^= iv[ 9];

443             obuf[10] ^= iv[10]; obuf[11] ^= iv[11];

444             obuf[12] ^= iv[12]; obuf[13] ^= iv[13];

445             obuf[14] ^= iv[14]; obuf[15] ^= iv[15];

448             obuf += AES_BLOCK_SIZE;