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This commit is contained in:
nora 2024-08-15 16:46:51 +02:00
parent c8842ef22a
commit 01c43606a2
6 changed files with 48 additions and 34 deletions
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22
ssh-transport/src/crypto/encrypt.rs
View file

@ -51,8 +51,14 @@ pub const ENC_AES128_CTR: EncryptionAlgorithm = EncryptionAlgorithm {
let mut alg = Aes128Ctr::from_state(state);
alg.decrypt_len(bytes, packet_number)
},
decrypt_packet: |state, bytes, packet_number| todo!(),
encrypt_packet: |state, packet, packet_number| todo!(),
decrypt_packet: |state, bytes, packet_number| {
let mut state = Aes128Ctr::from_state(state);
state.decrypt_packet(bytes, packet_number)
},
encrypt_packet: |state, packet, packet_number| {
let mut state = Aes128Ctr::from_state(state);
state.encrypt_packet(packet, packet_number)
},
};
/// `chacha20-poly1305@openssh.com` uses a 64-bit nonce, not the 96-bit one in the IETF version.
@ -229,21 +235,19 @@ impl<'a> Aes256GcmOpenSsh<'a> {
}
struct Aes128Ctr {
key: ctr::Ctr128BE<aes::Aes128>,
_key: ctr::Ctr128BE<aes::Aes128>,
}
impl Aes128Ctr {
fn from_state(keys: &mut [u8]) -> Self {
fn from_state(_keys: &mut [u8]) -> Self {
todo!()
}
fn decrypt_len(&mut self, _: &mut [u8], _: u64) {
}
fn decrypt_len(&mut self, _: &mut [u8], _: u64) {}
fn decrypt_packet(&mut self, mut bytes: RawPacket, _packet_number: u64) -> Result<Packet> {
fn decrypt_packet(&mut self, _bytes: RawPacket, _packet_number: u64) -> Result<Packet> {
todo!()
}
fn encrypt_packet(&mut self, packet: Packet, _packet_number: u64) -> EncryptedPacket {
fn encrypt_packet(&mut self, _packet: Packet, _packet_number: u64) -> EncryptedPacket {
todo!()
}
}

5
ssh-transport/src/lib.rs
View file

@ -196,18 +196,19 @@ impl ServerConnection {
hostkey_algorithms.find(kex.server_host_key_algorithms.0)?;
debug!(name = %server_host_key_algorithm.name(), "Using host key algorithm");
// TODO: Implement aes128-ctr
let _ = crypto::encrypt::ENC_AES128_CTR;
let encryption_algorithms_client_to_server = AlgorithmNegotiation {
supported: vec![
crypto::encrypt::CHACHA20POLY1305,
crypto::encrypt::AES256_GCM,
// crypto::encrypt::ENC_AES128_CTR,
],
};
let encryption_algorithms_server_to_client = AlgorithmNegotiation {
supported: vec![
crypto::encrypt::CHACHA20POLY1305,
crypto::encrypt::AES256_GCM,
// crypto::encrypt::ENC_AES128_CTR,
],
};