[gnutls-devel] GnuTLS | Early data issues in QUIC use (#1216)

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Daiki Ueno commented:


For (4) we should probably add a couple of functions dedicated for those: `gnutls_early_cipher_get` and `gnutls_early_prf_hash_get` for example.

(2) was a oversight; I didn't realize there will be a use-case of getting early write key on the client side.

For the others, I'm thinking to reuse the `GNUTLS_ENABLE_EARLY_DATA` flag for client, with a new flag to suppress EndOfEarlyData:
```c
gnutls_init(&session, GNUTLS_CLIENT |
                      GNUTLS_ENABLE_EARLY_DATA |
                      GNUTLS_NO_END_OF_EARLY_DATA);
```
then even if `gnutls_record_send_early_data` is not called, early data will be indicated.

Would that suffice the use with QUIC?

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