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Expand wolfDTLS_SetChGoodCb() docs

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Juliusz Sosinowicz
2022-07-04 14:31:24 +02:00
parent 10c8a1668e
commit 9dc2c27e3d
1 changed files with 13 additions and 1 deletions
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14
doc/dox_comments/header_files/ssl.h
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@ -1638,7 +1638,19 @@ int wolfSSL_set_dtls_fd_connected(WOLFSSL* ssl, int fd)
/*!
\ingroup Setup
\brief Allows setting a callback for DTLS client hello "good".
\brief Allows setting a callback for a correctly processed and verified DTLS
client hello. When using a cookie exchange mechanism (either the
HelloVerifyRequest in DTLS 1.2 or the HelloRetryRequest with a cookie
extension in DTLS 1.3) this callback is called after the cookie
exchange has succeeded. This is useful to use one WOLFSSL object as
the listener for new connections and being able to isolate the
WOLFSSL object once the ClientHello is verified (either through a
cookie exchange or just checking if the ClientHello had the correct
format).
DTLS 1.2:
https://datatracker.ietf.org/doc/html/rfc6347#section-4.2.1
DTLS 1.3:
https://www.rfc-editor.org/rfc/rfc8446#section-4.2.2
\return SSL_SUCCESS upon success.
\return BAD_FUNC_ARG upon failure.