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LibTLS: Use RSA key exchange based on the cipher

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After this, we aren't hardcoding RSA in everything we do anymore!
This commit is contained in:
DexesTTP 2021-05-19 00:12:09 +02:00 • committed by Andreas Kling
parent 9bb823a6ab
commit 68f6796e72
3 changed files with 60 additions and 7 deletions
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21
Userland/Libraries/LibTLS/HandshakeServer.cpp
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@ -201,7 +201,26 @@ ByteBuffer TLSv12::build_server_key_exchange()
ssize_t TLSv12::handle_server_key_exchange(ReadonlyBytes)
{
dbgln("FIXME: parse_server_key_exchange");
switch (get_signature_algorithm(m_context.cipher)) {
case SignatureAlgorithm::Anonymous:
dbgln("Client key exchange for Anonymous signature is not implemented");
TODO();
break;
case SignatureAlgorithm::RSA:
case SignatureAlgorithm::DSA:
// RFC 5246 section 7.4.3. Server Key Exchange Message
// It is not legal to send the server key exchange message for RSA, DH_DSS, DH_RSA
dbgln("Server key exchange received for RSA or DSA is not legal");
return (i8)Error::UnexpectedMessage;
case SignatureAlgorithm::ECDSA:
dbgln("Client key exchange for ECDSA signature is not implemented");
TODO();
break;
default:
dbgln("Unknonwn client key exchange signature algorithm");
VERIFY_NOT_REACHED();
break;
}
return 0;
}