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refactor: use strum on EncryptionAlgorithm, use Xor as default when AesGcm not available (#1923)

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This commit is contained in:
Luna Yao
2026-03-25 11:42:34 +01:00
committed by GitHub
parent 1d89ddbb16
commit e2684a93de
14 changed files with 642 additions and 856 deletions
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easytier/src/tunnel/packet_def.rs
+15 -7
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@@ -277,14 +277,22 @@ impl ForeignNetworkPacketHeader {
}
}
// reserve the space for aes tag and nonce
// reserve space for AEAD authentication tag and nonce
#[repr(C, packed)]
#[derive(AsBytes, FromBytes, FromZeroes, Clone, Debug, Default)]
pub struct AesGcmTail {
pub tag: [u8; 16],
pub nonce: [u8; 12],
#[derive(AsBytes, FromBytes, FromZeroes, Clone, Debug)]
pub struct AeadTail<const TAG_SIZE: usize, const NONCE_SIZE: usize> {
pub tag: [u8; TAG_SIZE],
pub nonce: [u8; NONCE_SIZE],
}
pub const AES_GCM_ENCRYPTION_RESERVED: usize = std::mem::size_of::<AesGcmTail>();
impl<const TAG_SIZE: usize, const NONCE_SIZE: usize> AeadTail<TAG_SIZE, NONCE_SIZE> {
pub const TAG_SIZE: usize = TAG_SIZE;
pub const NONCE_SIZE: usize = NONCE_SIZE;
pub const SIZE: usize = std::mem::size_of::<Self>();
}
pub type StandardAeadTail = AeadTail<16, 12>;
#[derive(AsBytes, FromZeroes, Clone, Debug, Copy, PartialEq, Hash, Eq)]
#[repr(u8)]
@@ -315,7 +323,7 @@ impl CompressorTail {
}
}
pub const TAIL_RESERVED_SIZE: usize = max(AES_GCM_ENCRYPTION_RESERVED, COMPRESSOR_TAIL_SIZE);
pub const TAIL_RESERVED_SIZE: usize = max(StandardAeadTail::SIZE, COMPRESSOR_TAIL_SIZE);
#[derive(Default, Debug)]
pub struct ZCPacketOffsets {