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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">I am trying to tweak openssl-master client to test a tls1.3 enabled server.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I want to club the client certificate, client key exchange , change cipher spec and certificate verify into single handshake message.( So that the record shows up as multiple handshake messages).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">OpenSSL Version : OpenSSL 1.1.1-dev xx XXX xxxx.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">After going through the code I understand the new tls1.3 implemented OpenSSL code is using WPACKET API to frame the records. I need help in understanding what the following functions do. I am new to the mailing list, thanks in advance.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">WPACKET_start_sub_packet_<o:p></o:p></p>
<p class="MsoNormal">WPACKET_allocate_bytes<o:p></o:p></p>
<p class="MsoNormal">WPACKET_sub_allocate_bytes__<o:p></o:p></p>
<p class="MsoNormal">WPACKET_reserve_bytes<o:p></o:p></p>
<p class="MsoNormal">WPACKET_start_sub_packet_len__<o:p></o:p></p>
<p class="MsoNormal">WPACKET_sub_memcpy__<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Basically what does the word _sub_ mean in these functions and how do that differ from the non sub function say<o:p></o:p></p>
<p class="MsoNormal">Difference between WPACKET_sub_memcpy__ and WPACKET_memcpy__<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Please feel free to reply if something is not understandable.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Sate.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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