On 10/2/20 14:15, I wrote:
The server also needs to know the entire HelloRetryRequest message
since this goes into the Transcript Hash calculation:
Transcript-Hash(ClientHello1, HelloRetryRequest, ... Mn) =
Hash(message_hash || /* Handshake type */
00 00 Hash.length || /* Handshake message length (bytes) */
Hash(ClientHello1) || /* Hash of ClientHello1 */
HelloRetryRequest || ... || Mn)
Please don't tell me all the current TLS 1.3 implementations
forgot to include the HelloRetryRequest in the transcript hash.
Mike
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