feat: add enclave

__enclave/virt_enclave/Cargo.lock

@@ -0,0 +1,262 @@
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__enclave/virt_enclave/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "virt_enclave"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+ring = "0.16.13"
+hex = "0.4.2"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"

__enclave/virt_enclave/src/main.rs

@@ -0,0 +1,5 @@
+mod sig;
+
+fn main() {
+    println!("Hello, world!");
+}

__enclave/virt_enclave/src/sig.rs

@@ -0,0 +1,41 @@
+use ring::{
+    signature::{ KeyPair, Ed25519KeyPair, UnparsedPublicKey, ED25519 },
+    hmac, rand, error::Unspecified,
+    digest,
+};
+
+pub struct SigningKeyPair {
+    key_pair: Vec<u8>,
+}
+
+impl SigningKeyPair {
+    fn new() -> Self {
+        let rng = rand::SystemRandom::new();
+        let pkcs8 = Ed25519KeyPair::generate_pkcs8(&rng).unwrap(); //  TODO ...
+        SigningKeyPair{
+            key_pair: pkcs8.as_ref().to_vec(),
+        }
+    }
+
+    fn parse(&self) -> Ed25519KeyPair {
+        Ed25519KeyPair::from_pkcs8(&self.key_pair).unwrap() // TODO ...
+    }
+}
+
+pub struct SignedMessage {
+    msg: Vec<u8>,
+    sig: Vec<u8>,
+    desc: String,
+}
+
+impl SignedMessage {
+    pub fn sign(key_pair: &Ed25519KeyPair, msg: &[u8]) -> Vec<u8> {
+        let sig = key_pair.sign(msg);
+        sig.as_ref().to_vec()
+    }
+
+    pub fn verify(&self, public_key: &[u8]) -> bool {
+        let verify_result = UnparsedPublicKey::new(&ED25519, &public_key).verify(&self.msg, &self.sig);
+        verify_result.is_ok()
+    }
+}