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decode and show whole tree

format/tls/tls.md

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Supports decoding of most standard records, messages and extensions. Can also decrypt most standard cipher suits in a PCAP with traffic in both directions if a NSS key log is provided.

Decode and decrypt provding a PCAP and key log

Write traffic to a PCAP file:

sh
$ tcpdump -i <iface> -w traffic.pcap

Make sure your curl TLS backend support SSLKEYLOGFILE and do:

sh
$ SSLKEYLOGFILE=traffic.keylog curl --tls-max 1.2 https://host/path

Decode, decrypt and query. Uses keylog=@<path> to read option value from keylog file:

sh
# decode and show whole tree
$ fq -o [email protected] d traffic.pcap

# write unencrypted server response to a file.
# first .stream is the TCP stream, second .stream is TLS application data stream
#
# first TCP connections:
$ fq -o [email protected] '.tcp_connections[0].server.stream.stream | tobytes' traffic.pcap > data
# first TLS connection:
$ fq -o [email protected]  'first(grep_by(.server.stream | format == "tls")).server.stream.stream | tobytes' > data

Supported cipher suites for decryption

TLS_DH_ANON_EXPORT_WITH_DES40_CBC_SHA, TLS_DH_ANON_EXPORT_WITH_RC4_40_MD5, TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA, TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, TLS_DHE_DSS_WITH_AES_128_CBC_SHA, TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, TLS_DHE_DSS_WITH_AES_256_CBC_SHA, TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, TLS_DHE_DSS_WITH_AES_256_GCM_SHA384, TLS_DHE_DSS_WITH_DES_CBC_SHA, TLS_DHE_DSS_WITH_RC4_128_SHA, TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA, TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_256_CBC_SHA, TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256, TLS_DHE_RSA_WITH_DES_CBC_SHA, TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDH_ECDSA_WITH_RC4_128_SHA, TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDH_RSA_WITH_RC4_128_SHA, TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384eadAESGCM, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305, TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA, TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256, TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305, TLS_ECDHE_RSA_WITH_RC4_128_SHA, TLS_ECDHE_RSA_WITH_RC4_128_SHA, TLS_PSK_WITH_AES_128_CBC_SHA, TLS_PSK_WITH_AES_256_CBC_SHA, TLS_PSK_WITH_RC4_128_SHA, TLS_RSA_EXPORT_WITH_DES40_CBC_SHA, TLS_RSA_EXPORT_WITH_RC4_40_MD5, TLS_RSA_WITH_3DES_EDE_CBC_SHA, TLS_RSA_WITH_3DES_EDE_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_256_CBC_SHA256, TLS_RSA_WITH_AES_256_GCM_SHA384, TLS_RSA_WITH_AES_256_GCM_SHA384, TLS_RSA_WITH_DES_CBC_SHA, TLS_RSA_WITH_RC4_128_MD5, TLS_RSA_WITH_RC4_128_SHA, TLS_RSA_WITH_RC4_128_SHA

References