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feat(encrypt): Add XOR and ChaCha20 encryption with low-end device optimization and openssl support. (#1186)

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Add ChaCha20 XOR algorithm, extend AES-GCM-256 capabilities, and integrate OpenSSL support.

---------

Co-authored-by: Sijie.Sun <sunsijie@buaa.edu.cn>
This commit is contained in:
CyiceK
2025-08-09 18:53:55 +08:00
committed by GitHub
parent 7de4b33dd1
commit 0087ac3ffc
13 changed files with 720 additions and 31 deletions
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easytier/src/common/config.rs
+70
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@@ -48,9 +48,79 @@ pub fn gen_default_flags() -> Flags {
disable_quic_input: false,
foreign_relay_bps_limit: u64::MAX,
multi_thread_count: 2,
encryption_algorithm: "".to_string(), // 空字符串表示使用默认的 AES-GCM
}
}
pub enum EncryptionAlgorithm {
AesGcm,
Aes256Gcm,
Xor,
#[cfg(feature = "wireguard")]
ChaCha20,
#[cfg(feature = "openssl-crypto")]
OpensslAesGcm,
#[cfg(feature = "openssl-crypto")]
OpensslChacha20,
#[cfg(feature = "openssl-crypto")]
OpensslAes256Gcm,
}
impl std::fmt::Display for EncryptionAlgorithm {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::AesGcm => write!(f, "aes-gcm"),
Self::Aes256Gcm => write!(f, "aes-256-gcm"),
Self::Xor => write!(f, "xor"),
#[cfg(feature = "wireguard")]
Self::ChaCha20 => write!(f, "chacha20"),
#[cfg(feature = "openssl-crypto")]
Self::OpensslAesGcm => write!(f, "openssl-aes-gcm"),
#[cfg(feature = "openssl-crypto")]
Self::OpensslChacha20 => write!(f, "openssl-chacha20"),
#[cfg(feature = "openssl-crypto")]
Self::OpensslAes256Gcm => write!(f, "openssl-aes-256-gcm"),
}
}
}
impl TryFrom<&str> for EncryptionAlgorithm {
type Error = anyhow::Error;
fn try_from(value: &str) -> Result<Self, Self::Error> {
match value {
"aes-gcm" => Ok(Self::AesGcm),
"aes-256-gcm" => Ok(Self::Aes256Gcm),
"xor" => Ok(Self::Xor),
#[cfg(feature = "wireguard")]
"chacha20" => Ok(Self::ChaCha20),
#[cfg(feature = "openssl-crypto")]
"openssl-aes-gcm" => Ok(Self::OpensslAesGcm),
#[cfg(feature = "openssl-crypto")]
"openssl-chacha20" => Ok(Self::OpensslChacha20),
#[cfg(feature = "openssl-crypto")]
"openssl-aes-256-gcm" => Ok(Self::OpensslAes256Gcm),
_ => Err(anyhow::anyhow!("invalid encryption algorithm")),
}
}
}
pub fn get_avaliable_encrypt_methods() -> Vec<&'static str> {
let mut r = vec!["aes-gcm", "aes-256-gcm", "xor"];
if cfg!(feature = "wireguard") {
r.push("chacha20");
}
if cfg!(feature = "openssl-crypto") {
r.extend(vec![
"openssl-aes-gcm",
"openssl-chacha20",
"openssl-aes-256-gcm",
]);
}
r
}
#[auto_impl::auto_impl(Box, &)]
pub trait ConfigLoader: Send + Sync {
fn get_id(&self) -> uuid::Uuid;