Renet/Netcode: make generate_random_bytes public

This can be used to generate a random private key

renet/src/lib.rs

@@ -8,7 +8,7 @@ mod server;
 pub use rechannel::channel::{BlockChannelConfig, ChannelConfig, ReliableChannelConfig, UnreliableChannelConfig};
 pub use rechannel::error::{ChannelError, DisconnectionReason, RechannelError};
 
-pub use renetcode::{ConnectToken, NetcodeError};
+pub use renetcode::{ConnectToken, NetcodeError, generate_random_bytes};
 pub use renetcode::{NETCODE_KEY_BYTES, NETCODE_USER_DATA_BYTES};
 
 pub use client::{ClientAuthentication, RenetClient};

renetcode/src/crypto.rs

@@ -53,6 +53,10 @@ pub fn encrypt_in_place_xnonce(buffer: &mut [u8], xnonce: &[u8; 24], key: &[u8;
     Ok(())
 }
 
+/// Generate a buffer with random bytes using randomness from the operating system.
+///
+/// The implementation is provided by the [getrandom] crate. Refer to
+/// [getrandom] documentation for details.
 pub fn generate_random_bytes<const N: usize>() -> [u8; N] {
     let mut bytes = [0; N];
     OsRng.fill_bytes(&mut bytes);

renetcode/src/lib.rs

@@ -29,6 +29,7 @@ pub use client::{DisconnectReason, NetcodeClient};
 pub use error::NetcodeError;
 pub use server::{NetcodeServer, ServerResult};
 pub use token::{ConnectToken, TokenGenerationError};
+pub use crypto::generate_random_bytes;
 
 use std::time::Duration;