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LibTLS: Use a more precise KeyExchangeAlgorithm enum

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The old enumeration didn't allow discriminating the key exchange
algorithms used, but only allowed the handshake with the server. With
this new enumeration, we can know which key exchange algorithm we are
actually supposed to use :^)
This commit is contained in:
DexesTTP 2021-05-29 07:29:56 +02:00 • committed by Ali Mohammad Pur
parent dd35aa7725
commit cb4a0dec8a
4 changed files with 116 additions and 47 deletions
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35
Userland/Libraries/LibTLS/HandshakeClient.cpp
View file

@ -283,24 +283,37 @@ ByteBuffer TLSv12::build_client_key_exchange()
PacketBuilder builder { MessageType::Handshake, m_context.options.version };
builder.append((u8)HandshakeType::ClientKeyExchange);
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:
switch (get_key_exchange_algorithm(m_context.cipher)) {
case KeyExchangeAlgorithm::RSA:
build_rsa_pre_master_secret(builder);
break;
case SignatureAlgorithm::DSA:
dbgln("Client key exchange for DSA signature is not implemented");
case KeyExchangeAlgorithm::DHE_DSS:
dbgln("Client key exchange for DHE_DSS is not implemented");
TODO();
break;
case SignatureAlgorithm::ECDSA:
dbgln("Client key exchange for ECDSA signature is not implemented");
case KeyExchangeAlgorithm::DH_DSS:
case KeyExchangeAlgorithm::DH_RSA:
dbgln("Client key exchange for DH algorithms is not implemented");
TODO();
break;
case KeyExchangeAlgorithm::DHE_RSA:
dbgln("Client key exchange for DHE_RSA is not implemented");
TODO();
break;
case KeyExchangeAlgorithm::DH_anon:
dbgln("Client key exchange for DH_anon is not implemented");
TODO();
break;
case KeyExchangeAlgorithm::ECDHE_RSA:
case KeyExchangeAlgorithm::ECDH_ECDSA:
case KeyExchangeAlgorithm::ECDH_RSA:
case KeyExchangeAlgorithm::ECDHE_ECDSA:
case KeyExchangeAlgorithm::ECDH_anon:
dbgln("Client key exchange for ECDHE algorithms is not implemented");
TODO();
break;
default:
dbgln("Unknonwn client key exchange signature algorithm");
dbgln("Unknonwn client key exchange algorithm");
VERIFY_NOT_REACHED();
break;
}