// You may not use this file except in accordance with one or both of these
// licenses.
+use prelude::*;
+
use ln::msgs::LightningError;
use ln::msgs;
use bitcoin::secp256k1;
use util::chacha20poly1305rfc::ChaCha20Poly1305RFC;
-use util::byte_utils;
use bitcoin::hashes::hex::ToHex;
/// Maximum Lightning message data length according to
/// [BOLT-8](https://github.com/lightningnetwork/lightning-rfc/blob/v1.0/08-transport.md#lightning-message-specification)
/// and [BOLT-1](https://github.com/lightningnetwork/lightning-rfc/blob/master/01-messaging.md#lightning-message-format):
-pub const LN_MAX_MSG_LEN: usize = ::std::u16::MAX as usize; // Must be equal to 65535
+pub const LN_MAX_MSG_LEN: usize = ::core::u16::MAX as usize; // Must be equal to 65535
// Sha256("Noise_XK_secp256k1_ChaChaPoly_SHA256")
const NOISE_CK: [u8; 32] = [0x26, 0x40, 0xf5, 0x2e, 0xeb, 0xcd, 0x9e, 0x88, 0x29, 0x58, 0x95, 0x1c, 0x79, 0x42, 0x50, 0xee, 0xdb, 0x28, 0x00, 0x2c, 0x05, 0xd7, 0xdc, 0x2e, 0xa0, 0xf1, 0x95, 0x40, 0x60, 0x42, 0xca, 0xf1];
#[inline]
fn encrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], plaintext: &[u8]) {
let mut nonce = [0; 12];
- nonce[4..].copy_from_slice(&byte_utils::le64_to_array(n));
+ nonce[4..].copy_from_slice(&n.to_le_bytes()[..]);
let mut chacha = ChaCha20Poly1305RFC::new(key, &nonce, h);
let mut tag = [0; 16];
#[inline]
fn decrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], cyphertext: &[u8]) -> Result<(), LightningError> {
let mut nonce = [0; 12];
- nonce[4..].copy_from_slice(&byte_utils::le64_to_array(n));
+ nonce[4..].copy_from_slice(&n.to_le_bytes()[..]);
let mut chacha = ChaCha20Poly1305RFC::new(key, &nonce, h);
if !chacha.decrypt(&cyphertext[0..cyphertext.len() - 16], res, &cyphertext[cyphertext.len() - 16..]) {
*sn = 0;
}
- Self::encrypt_with_ad(&mut res[0..16+2], *sn, sk, &[0; 0], &byte_utils::be16_to_array(msg.len() as u16));
+ Self::encrypt_with_ad(&mut res[0..16+2], *sn, sk, &[0; 0], &(msg.len() as u16).to_be_bytes());
*sn += 1;
Self::encrypt_with_ad(&mut res[16+2..], *sn, sk, &[0; 0], msg);
let mut res = [0; 2];
Self::decrypt_with_ad(&mut res, *rn, rk, &[0; 0], msg)?;
*rn += 1;
- Ok(byte_utils::slice_to_be16(&res))
+ Ok(u16::from_be_bytes(res))
},
_ => panic!("Tried to decrypt a message prior to noise handshake completion"),
}
#[test]
fn max_msg_len_limit_value() {
assert_eq!(LN_MAX_MSG_LEN, 65535);
- assert_eq!(LN_MAX_MSG_LEN, ::std::u16::MAX as usize);
+ assert_eq!(LN_MAX_MSG_LEN, ::core::u16::MAX as usize);
}
#[test]