| … | |
… | |
| 675 | connection::send_auth_request (const sockinfo &si, bool initiate) |
675 | connection::send_auth_request (const sockinfo &si, bool initiate) |
| 676 | { |
676 | { |
| 677 | auth_req_packet *pkt = new auth_req_packet (conf->id, initiate, THISNODE->protocols); |
677 | auth_req_packet *pkt = new auth_req_packet (conf->id, initiate, THISNODE->protocols); |
| 678 | |
678 | |
| 679 | rsachallenge chg; |
679 | rsachallenge chg; |
| 680 | |
|
|
| 681 | rsa_cache.gen (pkt->id, chg); |
680 | rsa_cache.gen (pkt->id, chg); |
| 682 | |
681 | rsa_encrypt (conf->rsa_key, chg, pkt->encr); |
| 683 | if (0 > RSA_public_encrypt (sizeof chg, |
|
|
| 684 | (unsigned char *)&chg, (unsigned char *)&pkt->encr, |
|
|
| 685 | conf->rsa_key, RSA_PKCS1_OAEP_PADDING)) |
|
|
| 686 | fatal ("RSA_public_encrypt error"); |
|
|
| 687 | |
682 | |
| 688 | slog (L_TRACE, ">>%d PT_AUTH_REQ [%s]", conf->id, (const char *)si); |
683 | slog (L_TRACE, ">>%d PT_AUTH_REQ [%s]", conf->id, (const char *)si); |
| 689 | |
684 | |
| 690 | send_vpn_packet (pkt, si, IPTOS_RELIABILITY | IPTOS_LOWDELAY); // rsa is very very costly |
685 | send_vpn_packet (pkt, si, IPTOS_RELIABILITY | IPTOS_LOWDELAY); // rsa is very very costly |
| 691 | |
686 | |
| … | |
… | |
| 908 | if (p->initiate) |
903 | if (p->initiate) |
| 909 | send_auth_request (rsi, false); |
904 | send_auth_request (rsi, false); |
| 910 | |
905 | |
| 911 | rsachallenge k; |
906 | rsachallenge k; |
| 912 | |
907 | |
| 913 | if (0 > RSA_private_decrypt (sizeof (p->encr), |
908 | if (!rsa_decrypt (::conf.rsa_key, p->encr, k)) |
| 914 | (unsigned char *)&p->encr, (unsigned char *)&k, |
|
|
| 915 | ::conf.rsa_key, RSA_PKCS1_OAEP_PADDING)) |
|
|
| 916 | { |
909 | { |
| 917 | slog (L_ERR, _("%s(%s): challenge illegal or corrupted (%s). mismatched key or config file?"), |
910 | slog (L_ERR, _("%s(%s): challenge illegal or corrupted (%s). mismatched key or config file?"), |
| 918 | conf->nodename, (const char *)rsi, ERR_error_string (ERR_get_error (), 0)); |
911 | conf->nodename, (const char *)rsi, ERR_error_string (ERR_get_error (), 0)); |
| 919 | break; |
912 | break; |
| 920 | } |
913 | } |
