Hi! I have a case when DTLS handshake is performed and GnuTLS server side seems to not send out the last messages.
the observed message sequence: client->server: ClientHello (total 164 bytes) server->client: ServerHello,Certificate,CertificateRequest,ServerHelloDone (total 1159 bytes) client->server: Certificate(Fragment)(243),Certificate(Fragment)(243),Cer tificate(Fragment)(243),Certificate(Fragment)(243),Certifica te(Fragment)(13),ClientKeyExchange(142),CertificateVerify(62), CertificateVerify(92) (total 1427 bytes) client->server: ChangeCipherSpec(1),EncryptedHandshakeMessage(64) (total 133 bytes) (The last EncryptedHandshakeMessage is probably a Finished.) At this point the server should send the ChangeCipherSpec or any other message, but it does send nothing. According to the log the correct data is passed to GnuTLS by the 'pull' function, but the 'gnutls_handshake' function returns EAGAIN repeatedly without continuing the handshake sequence (the 'push' is not called). The GnuTLS log messages are in the attached log file. Following seems to be problematic (the last one is printed after the last EncryptedHandshakeMessage is received, the other after the last fragment of Certificate was received with fragment length of 1 byte): 533 [2017-Aug-24 10:13:38.768873] GnuTLS -- [level:1]: Invalid handshake packet headers. Discarding. 569 [2017-Aug-24 10:13:38.770813] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Discarded duplicate message[1.0]: Handshake The problem happens with GnuTLS 3.3.19, 3.3.28 and 3.5.15 too (logs are from version 3.3.15). What could be wrong here? Balázs Kéri
399 [2017-Aug-24 10:13:38.761385] GnuTLS -- [level:3]: ASSERT: constate.c[_gnutls_epoch_get]:600 400 [2017-Aug-24 10:13:38.761413] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Allocating epoch #1 401 [2017-Aug-24 10:13:38.761439] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1163 402 [2017-Aug-24 10:13:38.761468] pull 122 bytes 403 [2017-Aug-24 10:13:38.761498] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 109 404 [2017-Aug-24 10:13:38.761521] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 405 [2017-Aug-24 10:13:38.761543] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 109 406 [2017-Aug-24 10:13:38.761627] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.3] Handshake(22) with length: 109 407 [2017-Aug-24 10:13:38.761665] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CLIENT HELLO (1) was received. Length 97[97], frag offset 0, frag length: 97, sequence: 0 408 [2017-Aug-24 10:13:38.761694] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Client's version: 254.253 409 [2017-Aug-24 10:13:38.761734] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Selected version DTLS1.0 410 [2017-Aug-24 10:13:38.761768] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Found extension 'Signature Algorithms/13' 411 [2017-Aug-24 10:13:38.761790] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Found extension 'SRTP/14' 412 [2017-Aug-24 10:13:38.761812] GnuTLS -- [level:3]: ASSERT: db.c[_gnutls_server_restore_session]:272 413 [2017-Aug-24 10:13:38.761835] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Found extension 'Signature Algorithms/13' 414 [2017-Aug-24 10:13:38.761857] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Parsing extension 'SRTP/14' (7 bytes) 415 [2017-Aug-24 10:13:38.761881] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Parsing extension 'Signature Algorithms/13' (32 bytes) 416 [2017-Aug-24 10:13:38.761909] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (6.1) RSA-SHA512 417 [2017-Aug-24 10:13:38.761932] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (6.2) DSA-SHA512 418 [2017-Aug-24 10:13:38.761953] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (6.3) ECDSA-SHA512 419 [2017-Aug-24 10:13:38.761975] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (5.1) RSA-SHA384 420 [2017-Aug-24 10:13:38.761997] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (5.2) DSA-SHA384 421 [2017-Aug-24 10:13:38.762018] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (5.3) ECDSA-SHA384 422 [2017-Aug-24 10:13:38.762040] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (4.1) RSA-SHA256 423 [2017-Aug-24 10:13:38.762061] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (4.2) DSA-SHA256 424 [2017-Aug-24 10:13:38.762082] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (4.3) ECDSA-SHA256 425 [2017-Aug-24 10:13:38.762103] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (3.1) RSA-SHA224 426 [2017-Aug-24 10:13:38.762138] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (3.2) DSA-SHA224 427 [2017-Aug-24 10:13:38.762161] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (3.3) ECDSA-SHA224 428 [2017-Aug-24 10:13:38.762182] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (2.1) RSA-SHA1 429 [2017-Aug-24 10:13:38.762203] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (2.2) DSA-SHA1 430 [2017-Aug-24 10:13:38.762224] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: rcvd signature algo (2.3) ECDSA-SHA1 431 [2017-Aug-24 10:13:38.762246] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Found extension 'SRTP/14' 432 [2017-Aug-24 10:13:38.762268] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Received safe renegotiation CS 433 [2017-Aug-24 10:13:38.762417] GnuTLS -- [level:3]: ASSERT: server_name.c[gnutls_server_name_get]:310 434 [2017-Aug-24 10:13:38.762443] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Requested server name: '' 435 [2017-Aug-24 10:13:38.762475] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Requested PK algorithm: RSA (1) -- ctype: X.509 (1) 436 [2017-Aug-24 10:13:38.762499] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: certificate[0] PK algorithm: RSA (1) - ctype: X.509 (1) 437 [2017-Aug-24 10:13:38.762533] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Keeping ciphersuite: GNUTLS_RSA_AES_256_CBC_SHA1 (00.35) 438 [2017-Aug-24 10:13:38.762556] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Keeping ciphersuite: GNUTLS_RSA_CAMELLIA_256_CBC_SHA1 (00.84) 439 [2017-Aug-24 10:13:38.762577] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Keeping ciphersuite: GNUTLS_RSA_AES_128_CBC_SHA1 (00.2F) 440 [2017-Aug-24 10:13:38.762599] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Keeping ciphersuite: GNUTLS_RSA_CAMELLIA_128_CBC_SHA1 (00.41) 441 [2017-Aug-24 10:13:38.762621] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Keeping ciphersuite: GNUTLS_RSA_3DES_EDE_CBC_SHA1 (00.0A) 442 [2017-Aug-24 10:13:38.762644] GnuTLS -- [level:3]: ASSERT: ciphersuites.c[check_server_params]:1300 443 [2017-Aug-24 10:13:38.762665] GnuTLS -- [level:3]: ASSERT: ciphersuites.c[check_server_params]:1300 444 [2017-Aug-24 10:13:38.762688] GnuTLS -- [level:3]: ASSERT: ciphersuites.c[check_server_params]:1300 445 [2017-Aug-24 10:13:38.762709] GnuTLS -- [level:3]: ASSERT: ciphersuites.c[check_server_params]:1300 446 [2017-Aug-24 10:13:38.762730] GnuTLS -- [level:3]: ASSERT: ciphersuites.c[check_server_params]:1300 447 [2017-Aug-24 10:13:38.762751] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Requested cipher suites[size: 8]: 448 [2017-Aug-24 10:13:38.762772] GnuTLS -- [level:4]: 0x00, 0x2f RSA_AES_128_CBC_SHA1 449 [2017-Aug-24 10:13:38.762794] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Selected cipher suite: RSA_AES_128_CBC_SHA1 450 [2017-Aug-24 10:13:38.762820] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Selected Compression Method: NULL 451 [2017-Aug-24 10:13:38.762842] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Found extension 'Signature Algorithms/13' 452 [2017-Aug-24 10:13:38.762863] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Found extension 'SRTP/14' 453 [2017-Aug-24 10:13:38.762896] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: Safe renegotiation succeeded 454 [2017-Aug-24 10:13:38.762927] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Sending extension Safe Renegotiation (1 bytes) 455 [2017-Aug-24 10:13:38.762951] GnuTLS -- [level:4]: EXT[0x7f9ce0013ea0]: Sending extension SRTP (5 bytes) 456 [2017-Aug-24 10:13:38.762987] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: SessionID: 7c34816fe1ca5d1fde2ebed4f63a19884faf0e063788e58c7fec7c61b100e146 457 [2017-Aug-24 10:13:38.763010] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: SERVER HELLO was queued [98 bytes] 458 [2017-Aug-24 10:13:38.763038] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE was queued [937 bytes] 459 [2017-Aug-24 10:13:38.763066] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE REQUEST was queued [18 bytes] 460 [2017-Aug-24 10:13:38.763088] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: SERVER HELLO DONE was queued [12 bytes] 461 [2017-Aug-24 10:13:38.763112] GnuTLS -- [level:6]: DTLS[0x7f9ce0013ea0]: Start of flight transmission. 462 [2017-Aug-24 10:13:38.763139] GnuTLS -- [level:6]: DTLS[0x7f9ce0013ea0]: Sending Packet[0] fragment SERVER HELLO(2) with length: 86, offset: 0, fragment length: 86, mtu: 1427 463 [2017-Aug-24 10:13:38.763163] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Preparing Packet Handshake(22) with length: 98 and min pad: 0 464 [2017-Aug-24 10:13:38.763186] GnuTLS -- [level:9]: ENC[0x7f9ce0013ea0]: cipher: NULL, MAC: MAC-NULL, Epoch: 0 465 [2017-Aug-24 10:13:38.763210] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Sent Packet[1] Handshake(22) in epoch 0 and length: 111 466 [2017-Aug-24 10:13:38.763234] GnuTLS -- [level:6]: DTLS[0x7f9ce0013ea0]: Sending Packet[1] fragment CERTIFICATE(11) with length: 925, offset: 0, fragment length: 925, mtu: 1427 467 [2017-Aug-24 10:13:38.763258] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Preparing Packet Handshake(22) with length: 937 and min pad: 0 468 [2017-Aug-24 10:13:38.763280] GnuTLS -- [level:9]: ENC[0x7f9ce0013ea0]: cipher: NULL, MAC: MAC-NULL, Epoch: 0 469 [2017-Aug-24 10:13:38.763303] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Sent Packet[2] Handshake(22) in epoch 0 and length: 950 470 [2017-Aug-24 10:13:38.763326] GnuTLS -- [level:6]: DTLS[0x7f9ce0013ea0]: Sending Packet[2] fragment CERTIFICATE REQUEST(13) with length: 6, offset: 0, fragment length: 6, mtu: 1427 471 [2017-Aug-24 10:13:38.763349] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Preparing Packet Handshake(22) with length: 18 and min pad: 0 472 [2017-Aug-24 10:13:38.763371] GnuTLS -- [level:9]: ENC[0x7f9ce0013ea0]: cipher: NULL, MAC: MAC-NULL, Epoch: 0 473 [2017-Aug-24 10:13:38.763393] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Sent Packet[3] Handshake(22) in epoch 0 and length: 31 474 [2017-Aug-24 10:13:38.763416] GnuTLS -- [level:6]: DTLS[0x7f9ce0013ea0]: Sending Packet[3] fragment SERVER HELLO DONE(14) with length: 0, offset: 0, fragment length: 0, mtu: 1427 475 [2017-Aug-24 10:13:38.763439] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Preparing Packet Handshake(22) with length: 12 and min pad: 0 476 [2017-Aug-24 10:13:38.763460] GnuTLS -- [level:9]: ENC[0x7f9ce0013ea0]: cipher: NULL, MAC: MAC-NULL, Epoch: 0 477 [2017-Aug-24 10:13:38.763482] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Sent Packet[4] Handshake(22) in epoch 0 and length: 25 478 [2017-Aug-24 10:13:38.763552] push_vec 1117 480 [2017-Aug-24 10:13:38.763616] GnuTLS -- [level:3]: ASSERT: dtls.c[_dtls_transmit]:420 481 [2017-Aug-24 10:13:38.763636] handshake - after 485 [2017-Aug-24 10:13:38.764741] handshake - before 486 [2017-Aug-24 10:13:38.764802] GnuTLS -- [level:3]: ASSERT: buffers.c[_gnutls_io_write_flush]:694 488 [2017-Aug-24 10:13:38.764847] GnuTLS -- [level:3]: ASSERT: dtls.c[_dtls_transmit]:263 489 [2017-Aug-24 10:13:38.764867] GnuTLS -- [level:3]: ASSERT: dtls.c[_dtls_transmit]:420 490 [2017-Aug-24 10:13:38.764885] handshake - after 497 [2017-Aug-24 10:13:38.767992] handshake - before 498 [2017-Aug-24 10:13:38.768053] GnuTLS -- [level:3]: ASSERT: buffers.c[_gnutls_io_write_flush]:694 500 [2017-Aug-24 10:13:38.768101] pull 1385 bytes 501 [2017-Aug-24 10:13:38.768127] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 243 502 [2017-Aug-24 10:13:38.768150] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 503 [2017-Aug-24 10:13:38.768172] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 243 504 [2017-Aug-24 10:13:38.768198] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.4] Handshake(22) with length: 243 505 [2017-Aug-24 10:13:38.768224] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE (11) was received. Length 925[231], frag offset 0, frag length: 231, sequence: 1 506 [2017-Aug-24 10:13:38.768250] GnuTLS -- [level:6]: DTLS[0x7f9ce0013ea0]: End of flight transmission. 507 [2017-Aug-24 10:13:38.768275] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1139 508 [2017-Aug-24 10:13:38.768298] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 243 509 [2017-Aug-24 10:13:38.768335] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 510 [2017-Aug-24 10:13:38.768358] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 243 511 [2017-Aug-24 10:13:38.768384] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.5] Handshake(22) with length: 243 512 [2017-Aug-24 10:13:38.768408] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE (11) was received. Length 925[231], frag offset 231, frag length: 231, sequence: 1 513 [2017-Aug-24 10:13:38.768432] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1139 514 [2017-Aug-24 10:13:38.768455] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 243 515 [2017-Aug-24 10:13:38.768476] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 516 [2017-Aug-24 10:13:38.768497] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 243 517 [2017-Aug-24 10:13:38.768520] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.6] Handshake(22) with length: 243 518 [2017-Aug-24 10:13:38.768544] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE (11) was received. Length 925[231], frag offset 462, frag length: 231, sequence: 1 519 [2017-Aug-24 10:13:38.768567] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1139 520 [2017-Aug-24 10:13:38.768589] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 243 521 [2017-Aug-24 10:13:38.768610] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 522 [2017-Aug-24 10:13:38.768631] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 243 523 [2017-Aug-24 10:13:38.768654] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.7] Handshake(22) with length: 243 524 [2017-Aug-24 10:13:38.768677] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE (11) was received. Length 925[231], frag offset 693, frag length: 231, sequence: 1 525 [2017-Aug-24 10:13:38.768700] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1139 526 [2017-Aug-24 10:13:38.768722] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 13 527 [2017-Aug-24 10:13:38.768744] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 528 [2017-Aug-24 10:13:38.768764] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 13 529 [2017-Aug-24 10:13:38.768787] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.8] Handshake(22) with length: 13 530 [2017-Aug-24 10:13:38.768811] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE (11) was received. Length 925[1], frag offset 924, frag length: 1, sequence: 1 531 [2017-Aug-24 10:13:38.768832] GnuTLS -- [level:3]: ASSERT: buffers.c[parse_handshake_header]:961 532 [2017-Aug-24 10:13:38.768852] GnuTLS -- [level:3]: ASSERT: buffers.c[_gnutls_parse_record_buffered_msgs]:1292 533 [2017-Aug-24 10:13:38.768873] GnuTLS -- [level:1]: Invalid handshake packet headers. Discarding. 534 [2017-Aug-24 10:13:38.768893] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1139 535 [2017-Aug-24 10:13:38.768926] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 142 536 [2017-Aug-24 10:13:38.768949] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 537 [2017-Aug-24 10:13:38.768970] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 142 538 [2017-Aug-24 10:13:38.768995] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.9] Handshake(22) with length: 142 539 [2017-Aug-24 10:13:38.769019] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CLIENT KEY EXCHANGE (16) was received. Length 130[130], frag offset 0, frag length: 130, sequence: 2 540 [2017-Aug-24 10:13:38.769055] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1139 541 [2017-Aug-24 10:13:38.769080] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 62 542 [2017-Aug-24 10:13:38.769101] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 543 [2017-Aug-24 10:13:38.769121] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 62 544 [2017-Aug-24 10:13:38.769144] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.10] Handshake(22) with length: 62 545 [2017-Aug-24 10:13:38.769168] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE VERIFY (15) was received. Length 130[50], frag offset 0, frag length: 50, sequence: 3 546 [2017-Aug-24 10:13:38.769192] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1139 547 [2017-Aug-24 10:13:38.769214] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 0, length: 92 548 [2017-Aug-24 10:13:38.769235] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 549 [2017-Aug-24 10:13:38.769255] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 92 550 [2017-Aug-24 10:13:38.769279] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.11] Handshake(22) with length: 92 551 [2017-Aug-24 10:13:38.769302] GnuTLS -- [level:4]: HSK[0x7f9ce0013ea0]: CERTIFICATE VERIFY (15) was received. Length 130[80], frag offset 50, frag length: 80, sequence: 3 552 [2017-Aug-24 10:13:38.769326] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1163 553 [2017-Aug-24 10:13:38.769346] handshake - after 556 [2017-Aug-24 10:13:38.770447] handshake - before 557 [2017-Aug-24 10:13:38.770510] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1163 558 [2017-Aug-24 10:13:38.770539] pull 91 bytes 559 [2017-Aug-24 10:13:38.770565] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 ChangeCipherSpec packet received. Epoch 0, length: 1 560 [2017-Aug-24 10:13:38.770588] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 561 [2017-Aug-24 10:13:38.770609] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet ChangeCipherSpec(20) with length: 1 562 [2017-Aug-24 10:13:38.770651] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Decrypted Packet[0.12] ChangeCipherSpec(20) with length: 1 563 [2017-Aug-24 10:13:38.770677] GnuTLS -- [level:3]: ASSERT: buffers.c[_gnutls_parse_record_buffered_msgs]:1282 564 [2017-Aug-24 10:13:38.770701] GnuTLS -- [level:3]: ASSERT: buffers.c[get_last_packet]:1139 565 [2017-Aug-24 10:13:38.770724] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: SSL 254.255 Handshake packet received. Epoch 1, length: 64 566 [2017-Aug-24 10:13:38.770746] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Expected Packet Handshake(22) 567 [2017-Aug-24 10:13:38.770767] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Received Packet Handshake(22) with length: 64 568 [2017-Aug-24 10:13:38.770791] GnuTLS -- [level:3]: ASSERT: dtls-sw.c[_dtls_record_check]:73 569 [2017-Aug-24 10:13:38.770813] GnuTLS -- [level:5]: REC[0x7f9ce0013ea0]: Discarded duplicate message[1.0]: Handshake 570 [2017-Aug-24 10:13:38.770834] GnuTLS -- [level:3]: ASSERT: record.c[_gnutls_recv_in_buffers]:1345 571 [2017-Aug-24 10:13:38.770853] handshake - after
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