From 6b132b800afc73075a4076229b047d4b9ae2dac5 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Fri, 8 Dec 2023 23:42:17 +0800
Subject: [PATCH] feat: add libse

---
 .gitignore     |  8 ++++++-
 justfile       |  2 ++
 swift/se.swift | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 73 insertions(+), 1 deletion(-)
 create mode 100644 swift/se.swift

diff --git a/.gitignore b/.gitignore
index fe09086..4ac1ac2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,11 @@ debug/
 target/
 .idea/
 
+libse.a
+se.swiftdoc
+se.swiftmodule
+se.swiftsourceinfo
+
 # These are backup files generated by rustfmt
 **/*.rs.bk
 
@@ -20,7 +25,8 @@ target/
 .LSOverride
 
 # Icon must end with two \r
-Icon

+Icon
+
 
 # Thumbnails
 ._*
diff --git a/justfile b/justfile
index 76f4f84..65c64d3 100644
--- a/justfile
+++ b/justfile
@@ -9,3 +9,5 @@ build:
 build-no-features:
   cargo build --release --no-default-features
 
+compile-libse-static:
+  cd swift && swiftc se.swift -emit-module -emit-library -static
diff --git a/swift/se.swift b/swift/se.swift
new file mode 100644
index 0000000..299fc3c
--- /dev/null
+++ b/swift/se.swift
@@ -0,0 +1,64 @@
+// import Swift
+import Foundation
+// import Security
+import CryptoKit
+import LocalAuthentication
+
+func is_support_secure_enclave() -> Bool {
+    let se = SecureEnclave.isAvailable
+    print("Supports SE: \(se)")
+    return se
+}
+
+enum StringError: Error {
+    case base64error
+}
+
+
+// // var error: Unmanaged<CFError>? = nil;
+// // guard
+// // let accessCtrl = SecAccessControlCreateWithFlags(
+// //    nil,
+// //    kSecAttrAccessibleWhenUnlockedThisDeviceOnly,
+// //    [.privateKeyUsage, .biometryCurrentSet],
+// //    &error
+// // ) else {
+// //   throw error!.takeRetainedValue() as Swift.Error
+// // }
+// // var privateKeyReference = try CryptoKit.SecureEnclave.P256.KeyAgreement.PrivateKey.init(
+// //    accessControl: accessCtrl
+// // );
+// // var dataRepresentation = privateKeyReference.dataRepresentation;
+//
+// guard let dataRepresentation = Data(base64Encoded: "BIIB2DGCAdQwgfUMAnJrMYHuMAsMA2JpZAQElxyY8jBIDANwdWIEQQQOrOKfvtBWnEquk6+92hH5yxO6SN5TSIA7/kP0DMdzRlojtNQJ3RUs7uJfG/stjJ/Cza+1i+hISbAGaL0BasDPMAgMA3JrbwIBADAHD-----") else {
+//    throw StringError.base64error
+// }
+//
+//
+// let context = LAContext();
+// let p =  try SecureEnclave.P256.KeyAgreement.PrivateKey(
+//         dataRepresentation: dataRepresentation, authenticationContext: context)
+//
+// let ephemeralSecretKey = P256.KeyAgreement.PrivateKey()
+// let sharedSecret = try ephemeralSecretKey.sharedSecretFromKeyAgreement(with: p.publicKey)
+//
+//
+// let sharedSecret2 = try p.sharedSecretFromKeyAgreement(with: ephemeralSecretKey.publicKey)
+//
+//
+//
+// // print("Private key reference: \(privateKeyReference)");
+//
+// // print("Private key reference - publicKey: \(privateKeyReference.publicKey)");
+//
+// // // print("Private key reference - publicKey - ageRecipient: \(privateKeyReference.publicKey.ageRecipient)");
+//
+// // print("Private key reference - dataRepresentation: \(privateKeyReference.dataRepresentation)");
+// // print("Private key reference - dataRepresentation: \(privateKeyReference.dataRepresentation.base64EncodedString())");
+//
+// // https://www.andyibanez.com/posts/cryptokit-secure-enclave/
+//
+//
+//
+// print("Shared secret: \(sharedSecret)")
+// print("Shared secret: \(sharedSecret2)")
\ No newline at end of file