| … | |
… | |
| 445 | } |
445 | } |
| 446 | #endif |
446 | #endif |
| 447 | |
447 | |
| 448 | EVP_EncryptInit_ex (cctx, 0, 0, 0, 0); |
448 | EVP_EncryptInit_ex (cctx, 0, 0, 0, 0); |
| 449 | |
449 | |
|
|
450 | struct { |
| 450 | #if RAND_SIZE |
451 | #if RAND_SIZE |
| 451 | struct { |
|
|
| 452 | u8 rnd[RAND_SIZE]; |
452 | u8 rnd[RAND_SIZE]; |
|
|
453 | #endif |
| 453 | u32 seqno; |
454 | u32 seqno; |
| 454 | } datahdr; |
455 | } datahdr; |
| 455 | |
456 | |
| 456 | datahdr.seqno = ntohl (seqno); |
457 | datahdr.seqno = ntohl (seqno); |
|
|
458 | #if RAND_SIZE |
| 457 | RAND_pseudo_bytes ((unsigned char *) datahdr.rnd, RAND_SIZE); |
459 | RAND_pseudo_bytes ((unsigned char *) datahdr.rnd, RAND_SIZE); |
|
|
460 | #endif |
| 458 | |
461 | |
| 459 | EVP_EncryptUpdate (cctx, |
462 | EVP_EncryptUpdate (cctx, |
| 460 | (unsigned char *) data + outl, &outl2, |
463 | (unsigned char *) data + outl, &outl2, |
| 461 | (unsigned char *) &datahdr, DATAHDR); |
464 | (unsigned char *) &datahdr, DATAHDR); |
| 462 | outl += outl2; |
465 | outl += outl2; |
| 463 | #else |
|
|
| 464 | EVP_EncryptUpdate (cctx, |
|
|
| 465 | (unsigned char *) data + outl, &outl2, |
|
|
| 466 | (unsigned char *) &seqno, DATAHDR); |
|
|
| 467 | outl += outl2; |
|
|
| 468 | #endif |
|
|
| 469 | |
466 | |
| 470 | EVP_EncryptUpdate (cctx, |
467 | EVP_EncryptUpdate (cctx, |
| 471 | (unsigned char *) data + outl, &outl2, |
468 | (unsigned char *) data + outl, &outl2, |
| 472 | (unsigned char *) d, l); |
469 | (unsigned char *) d, l); |
| 473 | outl += outl2; |
470 | outl += outl2; |
| … | |
… | |
| 911 | ictx = 0; |
908 | ictx = 0; |
| 912 | |
909 | |
| 913 | delete octx; |
910 | delete octx; |
| 914 | |
911 | |
| 915 | octx = new crypto_ctx (*k, 1); |
912 | octx = new crypto_ctx (*k, 1); |
| 916 | oseqno = ntohl (*(u32 *)&k[CHG_SEQNO] & 0x7fffffff); |
913 | oseqno = ntohl (*(u32 *)&k[CHG_SEQNO]) & 0x7fffffff; |
| 917 | |
914 | |
| 918 | send_auth (AUTH_REPLY, ssa, k); |
915 | send_auth (AUTH_REPLY, ssa, k); |
| 919 | break; |
916 | break; |
| 920 | |
917 | |
| 921 | case AUTH_REPLY: |
918 | case AUTH_REPLY: |
| … | |
… | |
| 923 | if (!memcmp ((u8 *)gen_challenge (seqrand, ssa), (u8 *)k, sizeof (rsachallenge))) |
920 | if (!memcmp ((u8 *)gen_challenge (seqrand, ssa), (u8 *)k, sizeof (rsachallenge))) |
| 924 | { |
921 | { |
| 925 | delete ictx; |
922 | delete ictx; |
| 926 | |
923 | |
| 927 | ictx = new crypto_ctx (*k, 0); |
924 | ictx = new crypto_ctx (*k, 0); |
| 928 | iseqno.reset (ntohl (*(u32 *)&k[CHG_SEQNO] & 0x7fffffff)); // at least 2**31 sequence numbers are valid |
925 | iseqno.reset (ntohl (*(u32 *)&k[CHG_SEQNO]) & 0x7fffffff); // at least 2**31 sequence numbers are valid |
| 929 | |
926 | |
| 930 | sa = *ssa; |
927 | sa = *ssa; |
| 931 | |
928 | |
| 932 | rekey.set (NOW + ::conf.rekey); |
929 | rekey.set (NOW + ::conf.rekey); |
| 933 | keepalive.set (NOW + ::conf.keepalive); |
930 | keepalive.set (NOW + ::conf.keepalive); |
