doc(rp+rosenpass+ciphers+cipher-traits): Apply cargo fmt formatting

cipher-traits/src/primitives/keyed_hash.rs

@@ -66,10 +66,12 @@ where
         Static::keyed_hash(key, data, out)
     }
 
+    /// Returns the key length of the keyed hash function.
     pub const fn key_len(self) -> usize {
         Self::KEY_LEN
     }
 
+    /// Returns the hash length of the keyed hash function.
     pub const fn hash_len(self) -> usize {
         Self::HASH_LEN
     }

ciphers/src/lib.rs

@@ -1,4 +1,3 @@
-use rosenpass_cipher_traits::primitives::Aead as _;
 use static_assertions::const_assert;
 
 pub mod subtle;

rosenpass/src/protocol/protocol.rs

@@ -718,13 +718,11 @@ impl KnownResponseHasher {
     /// Panics in case of a problem with this underlying hash function
     pub fn hash<Msg: AsBytes + FromBytes>(&self, msg: &Envelope<Msg>) -> KnownResponseHash {
         let data = &msg.as_bytes()[span_of!(Envelope<Msg>, msg_type..cookie)];
-        // TODO: the hash choice hasn't been propagated here so far
-        // TODO: FIX DOCU AND OUT-COMMENTED_CODE_BELOW
-        let hash_choice =
-            rosenpass_ciphers::subtle::keyed_hash::KeyedHash::incorrect_hmac_blake2b();
 
+        // This function is only used internally and results are not propagated
+        // to outside the peer. Thus, it uses SHAKE256 exclusively.
         let mut hash = [0; 32];
-        hash_choice
+        KeyedHash::keyed_shake256()
             .keyed_hash(self.key.secret(), data, &mut hash)
             .unwrap();
         Public::from_slice(&hash[0..16]) // truncate to 16 bytes

rosenpass/tests/gen-ipc-msg-types.rs

@@ -1,4 +1,4 @@
-use std::{process::Command};
+use std::process::Command;
 
 #[test]
 fn test_gen_ipc_msg_types() -> anyhow::Result<()> {

rp/src/exchange.rs

@@ -6,10 +6,10 @@ use std::pin::Pin;
 use std::sync::Arc;
 use std::{net::SocketAddr, path::PathBuf, process::Command};
 
-use anyhow::Result;
-use rosenpass::config::ProtocolVersion;
 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
 use crate::key::WG_B64_LEN;
+use anyhow::Result;
+use rosenpass::config::ProtocolVersion;
 
 /// Used to define a peer for the rosenpass connection that consists of
 /// a directory for storing public keys and optionally an IP address and port of the endpoint,
@@ -25,7 +25,7 @@ pub struct ExchangePeer {
     /// The IPs that are allowed for this peer.
     pub allowed_ips: Option<String>,
     /// The protocol version used by the peer.
-    pub protocol_version: ProtocolVersion
+    pub protocol_version: ProtocolVersion,
 }
 
 /// Options for the exchange operation of the `rp` binary.