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wolfssl-examples
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Added README.md instructions. Tested with Wireshark and works as described (all TLS v1.3 packets decrypted).

pull/251/head
David Garske 2021-03-25 08:46:05 -07:00
parent 0603cc30df
commit af3384b4cf
1 changed files with 18 additions and 0 deletions
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tls/README.md
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@ -1193,3 +1193,21 @@ And now the client is set up.
## Crypto Callbacks ## Crypto Callbacks
See the `client-tls-cryptocb.c` example for demonstrating the `--enable-cryptocb` feature for allowing custom cryptographic algorithm offload. See the `client-tls-cryptocb.c` example for demonstrating the `--enable-cryptocb` feature for allowing custom cryptographic algorithm offload.
## TLS v1.3 Wireshark Logging
Build wolfSSL with `HAVE_SECRET_CALLBACK` included:
```
./configure --enable-tls13 CFLAGS="-DHAVE_SECRET_CALLBACK" && make && sudo make install
```
In wolfssl-examples/tls:
```
make clean && make
./server-tls13 &
./client-tls13 127.0.0.1
```
Wireshark can decode traffic using the created "sslkeylog.log". To configure in Wireshark Prferences go to Protocols -> TLS. In the "(Pre)-Master-Secret log filename" choose the "sslkeylog.log" file in this directory.
Capture TLS traffic and all packets will be decrypted (handshake and application data).