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tls: Add TLS 1.0, 1.1, 1.2 decode and decryption #603

Merged
merged 1 commit into from
Mar 5, 2023
Merged

tls: Add TLS 1.0, 1.1, 1.2 decode and decryption #603

merged 1 commit into from
Mar 5, 2023

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wader
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@wader wader commented Mar 5, 2023

What it can do:

  • Decodes records and most standard messages and extensions.
  • Decryptes records and reassemples application data stream if a keylog is provided and the cipher suite is supported.
  • Supports most recommended and used ciphers and a bunch of older ones.

What it can't do:

  • SSL v3 maybe supported, is similar to TLS 1.0, not tested.
  • Decryption and renegotiation/cipher change.
  • Record defragmentation not supported, seems rare over TCP.
  • TLS 1.3
  • SSL v2 but v2 compat header is supported.
  • Some key exchange messages not decoded yet

Decryption code is heavly based on golang crypto/tls and zmap/zcrypto.

Will be base for decoding http2 and other TLS based on protocols.

Fixes #587

@wader wader force-pushed the tls branch 2 times, most recently from 3072df9 to 490d788 Compare March 5, 2023 12:17
What it can do:
- Decodes records and most standard messages and extensions.
- Decryptes records and reassemples application data stream if a keylog is provided
  and the cipher suite is supported.
- Supports most recommended and used ciphers and a bunch of older ones.

What it can't do:
- SSL v3 maybe supported, is similar to TLS 1.0, not tested.
- Decryption and renegotiation/cipher change.
- Record defragmentation not supported, seems rare over TCP.
- TLS 1.3
- SSL v2 but v2 compat header is supported.
- Some key exchange messages not decoded yet

Decryption code is heavly based on golang crypto/tls and zmap/zcrypto.

Will be base for decoding http2 and other TLS based on protocols.

Fixes #587
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Add TLS support
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