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);

155                 ip = (addr_mod_16(ibuf) ? buf : (uint_8t*)ibuf);

158                 if(ip != ibuf)

159                     memcpy(buf, ibuf, m * AES_BLOCK_SIZE);

166                 ibuf += m * AES_BLOCK_SIZE;

180         aes_encrypt(ibuf, obuf, ctx);

181         ibuf += 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);

216                 ip = (addr_mod_16(ibuf) ? buf : (uint_8t*)ibuf);

219                 if(ip != ibuf)

220                     memcpy(buf, ibuf, m * AES_BLOCK_SIZE);

227                 ibuf += m * AES_BLOCK_SIZE;

241         aes_decrypt(ibuf, obuf, ctx);

242         ibuf += 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);

284                 ip = (addr_mod_16(ibuf) ? buf : (uint_8t*)ibuf);

287                 if(ip != ibuf)

288                     memcpy(buf, ibuf, m * AES_BLOCK_SIZE);

295                 ibuf += m * AES_BLOCK_SIZE;

311     if(!addr_mod_04(ibuf) && !addr_mod_04(iv))

314             lp32(iv)[0] ^= lp32(ibuf)[0];

315             lp32(iv)[1] ^= lp32(ibuf)[1];

316             lp32(iv)[2] ^= lp32(ibuf)[2];

317             lp32(iv)[3] ^= lp32(ibuf)[3];

320             ibuf += AES_BLOCK_SIZE;

327             iv[ 0] ^= ibuf[ 0]; iv[ 1] ^= ibuf[ 1];

328             iv[ 2] ^= ibuf[ 2]; iv[ 3] ^= ibuf[ 3];

329             iv[ 4] ^= ibuf[ 4]; iv[ 5] ^= ibuf[ 5];

330             iv[ 6] ^= ibuf[ 6]; iv[ 7] ^= ibuf[ 7];

331             iv[ 8] ^= ibuf[ 8]; iv[ 9] ^= ibuf[ 9];

332             iv[10] ^= ibuf[10]; iv[11] ^= ibuf[11];

333             iv[12] ^= ibuf[12]; iv[13] ^= ibuf[13];

334             iv[14] ^= ibuf[14]; iv[15] ^= ibuf[15];

337             ibuf += 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);

393                 ip = (addr_mod_16(ibuf) ? buf : (uint_8t*)ibuf);

396                 if(ip != ibuf)

397                     memcpy(buf, ibuf, m * AES_BLOCK_SIZE);

404                 ibuf += m * AES_BLOCK_SIZE;

422             memcpy(tmp, ibuf, AES_BLOCK_SIZE);

423             aes_decrypt(ibuf, obuf, ctx);

429             ibuf += AES_BLOCK_SIZE;

436             memcpy(tmp, ibuf, AES_BLOCK_SIZE);

437             aes_decrypt(ibuf, obuf, ctx);

447             ibuf += AES_BLOCK_SIZE;