On Wed, 14 May 2025 21:42:06 GMT, Bradford Wetmore <wetm...@openjdk.org> wrote:

>> src/java.base/share/classes/sun/security/ssl/SSLSessionImpl.java line 329:
>> 
>>> 327:      */
>>> 328: 
>>> 329:     SSLSessionImpl(HandshakeContext hc, ByteBuffer buf) throws 
>>> IOException {
>> 
>> this constructor is used for session resumption using deserialized stateless 
>> session tickets. AFAICT the resumed session uses a new set of exporter 
>> secrets (exporterMasterSecret is overwritten during processing of the 
>> Finished message, not sure about the randoms). Does it make any sense to 
>> store the original exporter secrets in the stateless ticket?
>
> Good catch, I am 99% convinced neither is not needed.  I'll be removing these 
> changes.   
> 
> For TLS 1.3, the exporter is recalculated at the end of the handshake for the 
> new session.
> 
> For 1-1.2, the Session is indeed pulled from the serialized form, but the new 
> session's Hello Random values are used with the existing MasterSecret to load 
> the `TlsKeyMaterialParameterSpec` and obtain all of the keying material.

Update, will push soon.

Had to move the random capture locations, as they need to capture the new 
client/server randoms instead of when the PMS is calculated.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/24976#discussion_r2089922075

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