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PV Handshake Scheduler #99

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PV Handshake Scheduler #99

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dd1e59b
Simulate a full handshake for extraction
jschneider-bensch Mar 11, 2024
5453704
Test the simulated handshake
jschneider-bensch Mar 13, 2024
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102 changes: 102 additions & 0 deletions src/tls13handshake.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -825,3 +825,105 @@ pub fn server_finish(
) -> Result<ServerPostClientFinished, TLSError> {
put_client_finished(cf, st)
}

fn simulate_handshake(
ciphersuite: Algorithms,
server_name: &Bytes,
session_ticket: Option<Bytes>,
psk: Option<Key>,
rng: &mut (impl CryptoRng + RngCore),
db: ServerDB,
) -> Result<(), TLSError> {
let (client_hello, cipherstate0_client, client_state) =
client_init(ciphersuite, server_name, session_ticket, psk, rng)?;

let (
server_hello,
server_finished,
cipherstate0_server,
cipherstateh_server,
cipherstate1_server,
server_state,
) = server_init(ciphersuite, &client_hello, db, rng)?;

// skip record en/decryption

let (cipherstateh_client, client_state) = client_set_params(&server_hello, client_state)?;

let (client_finished, cipherstate1_client, client_state) =
client_finish(&server_finished, client_state)?;

// skip record en/decryption

let server_state = server_finish(&client_finished, server_state)?;

Ok(())
}

#[test]
fn test_handshake() {
fn load_hex(s: &str) -> Bytes {
let s_no_ws: String = s.split_whitespace().collect();
Bytes::from_hex(&s_no_ws)
}
let ciphersuite = Algorithms::new(
HashAlgorithm::SHA256,
AeadAlgorithm::Chacha20Poly1305,
SignatureScheme::EcdsaSecp256r1Sha256,
crate::tls13crypto::KemScheme::X25519,
false,
false,
);
let server_name = load_hex("6c 6f 63 61 6c 68 6f 73 74");
const ECDSA_P256_SHA256_CERT: [u8; 522] = [
0x30, 0x82, 0x02, 0x06, 0x30, 0x82, 0x01, 0xAC, 0x02, 0x09, 0x00, 0xD1, 0xA2, 0xE4, 0xD5,
0x78, 0x05, 0x08, 0x61, 0x30, 0x0A, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03,
0x02, 0x30, 0x81, 0x8A, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
0x44, 0x45, 0x31, 0x0F, 0x30, 0x0D, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0C, 0x06, 0x42, 0x65,
0x72, 0x6C, 0x69, 0x6E, 0x31, 0x0F, 0x30, 0x0D, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0C, 0x06,
0x42, 0x65, 0x72, 0x6C, 0x69, 0x6E, 0x31, 0x10, 0x30, 0x0E, 0x06, 0x03, 0x55, 0x04, 0x0A,
0x0C, 0x07, 0x68, 0x61, 0x63, 0x73, 0x70, 0x65, 0x63, 0x31, 0x0F, 0x30, 0x0D, 0x06, 0x03,
0x55, 0x04, 0x0B, 0x0C, 0x06, 0x62, 0x65, 0x72, 0x74, 0x69, 0x65, 0x31, 0x17, 0x30, 0x15,
0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x0E, 0x62, 0x65, 0x72, 0x74, 0x69, 0x65, 0x2E, 0x68,
0x61, 0x63, 0x73, 0x70, 0x65, 0x63, 0x31, 0x1D, 0x30, 0x1B, 0x06, 0x09, 0x2A, 0x86, 0x48,
0x86, 0xF7, 0x0D, 0x01, 0x09, 0x01, 0x16, 0x0E, 0x62, 0x65, 0x72, 0x74, 0x69, 0x65, 0x40,
0x68, 0x61, 0x63, 0x73, 0x70, 0x65, 0x63, 0x30, 0x1E, 0x17, 0x0D, 0x32, 0x31, 0x30, 0x34,
0x32, 0x39, 0x31, 0x31, 0x34, 0x37, 0x34, 0x35, 0x5A, 0x17, 0x0D, 0x33, 0x31, 0x30, 0x34,
0x32, 0x37, 0x31, 0x31, 0x34, 0x37, 0x34, 0x35, 0x5A, 0x30, 0x81, 0x8A, 0x31, 0x0B, 0x30,
0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x44, 0x45, 0x31, 0x0F, 0x30, 0x0D, 0x06,
0x03, 0x55, 0x04, 0x08, 0x0C, 0x06, 0x42, 0x65, 0x72, 0x6C, 0x69, 0x6E, 0x31, 0x0F, 0x30,
0x0D, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0C, 0x06, 0x42, 0x65, 0x72, 0x6C, 0x69, 0x6E, 0x31,
0x10, 0x30, 0x0E, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x0C, 0x07, 0x68, 0x61, 0x63, 0x73, 0x70,
0x65, 0x63, 0x31, 0x0F, 0x30, 0x0D, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x0C, 0x06, 0x62, 0x65,
0x72, 0x74, 0x69, 0x65, 0x31, 0x17, 0x30, 0x15, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x0E,
0x62, 0x65, 0x72, 0x74, 0x69, 0x65, 0x2E, 0x68, 0x61, 0x63, 0x73, 0x70, 0x65, 0x63, 0x31,
0x1D, 0x30, 0x1B, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x09, 0x01, 0x16,
0x0E, 0x62, 0x65, 0x72, 0x74, 0x69, 0x65, 0x40, 0x68, 0x61, 0x63, 0x73, 0x70, 0x65, 0x63,
0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x02, 0x01, 0x06, 0x08,
0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0xD8, 0xE0, 0x74,
0xF7, 0xCB, 0xEF, 0x19, 0xC7, 0x56, 0xA4, 0x52, 0x59, 0x0C, 0x02, 0x70, 0xCC, 0x9B, 0xFC,
0x45, 0x8D, 0x73, 0x28, 0x39, 0x1D, 0x3B, 0xF5, 0x26, 0x17, 0x8B, 0x0D, 0x25, 0x04, 0x91,
0xE8, 0xC8, 0x72, 0x22, 0x59, 0x9A, 0x2C, 0xBB, 0x26, 0x31, 0xB1, 0xCC, 0x6B, 0x6F, 0x5A,
0x10, 0xD9, 0x7D, 0xD7, 0x86, 0x56, 0xFB, 0x89, 0x39, 0x9E, 0x0A, 0x91, 0x9F, 0x35, 0x81,
0xE7, 0x30, 0x0A, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03, 0x02, 0x03, 0x48,
0x00, 0x30, 0x45, 0x02, 0x21, 0x00, 0xA1, 0x81, 0xB3, 0xD6, 0x8C, 0x9F, 0x62, 0x66, 0xC6,
0xB7, 0x3F, 0x26, 0xE7, 0xFD, 0x88, 0xF9, 0x4B, 0xD8, 0x15, 0xD1, 0x45, 0xC7, 0x66, 0x69,
0x40, 0xC2, 0x55, 0x21, 0x84, 0x9F, 0xE6, 0x8C, 0x02, 0x20, 0x10, 0x7E, 0xEF, 0xF3, 0x1D,
0x58, 0x32, 0x6E, 0xF7, 0xCB, 0x0A, 0x47, 0xF2, 0xBA, 0xEB, 0xBC, 0xB7, 0x8F, 0x46, 0x56,
0xF1, 0x5B, 0xCC, 0x2E, 0xD5, 0xB3, 0xC4, 0x0F, 0x5B, 0x22, 0xBD, 0x02,
];
const ECDSA_P256_SHA256_Key: [u8; 32] = [
0xA6, 0xDE, 0x48, 0x21, 0x0E, 0x56, 0x12, 0xDD, 0x95, 0x3A, 0x91, 0x4E, 0x9F, 0x56, 0xC3,
0xA2, 0xDB, 0x7A, 0x36, 0x20, 0x08, 0xE9, 0x52, 0xEE, 0xDB, 0xCE, 0xAC, 0x3B, 0x26, 0xF9,
0x20, 0xBD,
];
let db = ServerDB::new(
server_name.clone(),
Bytes::from(&ECDSA_P256_SHA256_CERT),
crate::tls13crypto::SignatureKey::from(&ECDSA_P256_SHA256_Key),
None,
);

let mut rng = crate::test_utils::TestRng::new(server_name.declassify());
assert!(simulate_handshake(ciphersuite, &server_name, None, None, &mut rng, db).is_ok());
}
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