feat: secure enclave

Cargo.toml

@@ -12,7 +12,7 @@ repository = "https://git.hatter.ink/hatter/tiny-encrypt-rs"
 default = ["decrypt", "macos", "secure-enclave"]
 decrypt = ["openpgp-card", "openpgp-card-pcsc", "yubikey"]
 macos = ["security-framework"]
-secure-enclave = ["macos"]
+secure-enclave = ["macos", "swift-rs"]
 
 [dependencies]
 aes-gcm-stream = "0.2"
@@ -43,6 +43,10 @@ x25519-dalek = { version = "2.0", features = ["static_secrets", "getrandom"] }
 x509-parser = "0.15"
 yubikey = { version = "0.8", features = ["untested"], optional = true }
 zeroize = "1.7"
+swift-rs = { path = "swift-rs", optional = true }
+
+[build-dependencies]
+swift-rs = { path = "swift-rs", features = ["build"], optional = true }
 
 [patch.crates-io]
 rust-crypto = { git = "https://github.com/jht5945/rust-crypto.git" }