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SaiTLS
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hash: fix, exclude content byte

This commit is contained in:
occheung 2020-11-27 13:55:27 +08:00
parent ccc257aeb9
commit e55b2e266b
2 changed files with 19 additions and 10 deletions
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16
src/session.rs
View File

@ -1776,7 +1776,13 @@ impl<'a> Session<'a> {
CertificatePrivateKey::ECDSA_SECP256R1_SHA256 { cert_signing_key } => {
let verify_hash = sha2::Sha256::new()
.chain(&[0x20; 64])
.chain("TLS 1.3, client CertificateVerify")
.chain({
match role {
TlsRole::Client => "TLS 1.3, client CertificateVerify",
TlsRole::Server => "TLS 1.3, server CertificateVerify",
_ => unreachable!()
}
})
.chain(&[0x00])
.chain(&transcript_hash);
@ -1795,7 +1801,13 @@ impl<'a> Session<'a> {
// Similar to server CertificateVerify
let mut verify_message: Vec<u8, U146> = Vec::new();
verify_message.extend_from_slice(&[0x20; 64]).unwrap();
verify_message.extend_from_slice(b"TLS 1.3, client CertificateVerify").unwrap();
verify_message.extend_from_slice({
match role {
TlsRole::Client => b"TLS 1.3, client CertificateVerify",
TlsRole::Server => b"TLS 1.3, server CertificateVerify",
_ => unreachable!()
}
}).unwrap();
verify_message.extend_from_slice(&[0]).unwrap();
verify_message.extend_from_slice(&transcript_hash).unwrap();

13
src/tls.rs
View File

@ -512,7 +512,7 @@ impl<'s> TlsSocket<'s> {
{
let mut session = self.session.borrow_mut();
session.server_update_for_encrypted_extension(
&inner_plaintext
&inner_plaintext[..(inner_plaintext_length-1)]
);
}
@ -580,11 +580,11 @@ impl<'s> TlsSocket<'s> {
};
self.send_application_slice(sockets, &mut inner_plaintext.clone())?;
let inner_plaintext_length = inner_plaintext.len();
// Update session
{
self.session.borrow_mut()
.server_update_for_sent_certificate(&inner_plaintext);
.server_update_for_sent_certificate(&inner_plaintext[..(inner_plaintext_length-1)]);
}
// Construct and send certificate verify
@ -624,10 +624,11 @@ impl<'s> TlsSocket<'s> {
&mut inner_plaintext.clone()
)?;
let inner_plaintext_length = inner_plaintext.len();
{
self.session.borrow_mut()
.server_update_for_sent_certificate_verify(
&inner_plaintext[..]
&inner_plaintext[..(inner_plaintext_length-1)]
);
}
}
@ -1381,15 +1382,11 @@ impl<'s> TlsSocket<'s> {
// TODO: Rename this function. It is only good for client finished
fn send_application_slice(&self, sockets: &mut SocketSet, slice: &mut [u8]) -> Result<()> {
let mut tcp_socket = sockets.get::<TcpSocket>(self.tcp_handle);
log::info!("Got socket");
if !tcp_socket.can_send() {
return Err(Error::Illegal);
}
log::info!("Socket usable");
// Borrow session in advance
let mut session = self.session.borrow_mut();
log::info!("Got session");
// Pre-compute TLS record layer as associated_data
let mut associated_data: [u8; 5] = [0x17, 0x03, 0x03, 0x00, 0x00];