aes/i386/aes_modes.c

250                     int len, unsigned char *iv, const aes_encrypt_ctx ctx[1])

259     {   uint_8t *ksp = (uint_8t*)(ctx->ks), *ivp = iv;

266         if(addr_mod_16(iv))   /* ensure an aligned iv */

269             memcpy(liv, iv, AES_BLOCK_SIZE);

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

301         if(iv != ivp)

302             memcpy(iv, ivp, 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];

318             aes_encrypt(iv, iv, ctx);

319             memcpy(obuf, iv, 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];

335             aes_encrypt(iv, iv, ctx);

336             memcpy(obuf, iv, AES_BLOCK_SIZE);

358                     int len, unsigned char *iv, const aes_decrypt_ctx ctx[1])

368     {   uint_8t *ksp = kd_adr(ctx), *ivp = iv;

375         if(addr_mod_16(iv))   /* ensure an aligned iv */

378             memcpy(liv, iv, AES_BLOCK_SIZE);

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

410         if(iv != ivp)

411             memcpy(iv, ivp, AES_BLOCK_SIZE);

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

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];

428             memcpy(iv, tmp, AES_BLOCK_SIZE);

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];

446             memcpy(iv, tmp, AES_BLOCK_SIZE);