Create encryption.rs

src/security/encryption.rs

@@ -0,0 +1,19 @@
+use aes_gcm::{Aes128Gcm, Key, Nonce};
+use rand::Rng;
+
+pub fn encrypt(data: &[u8], key: &[u8]) -> Vec<u8> {
+    let cipher = Aes128Gcm::new(Key::from_slice(key));
+    let nonce = rand::thread_rng().gen::<Nonce>();
+    let encrypted_data = cipher.encrypt(nonce, data).unwrap();
+    let mut result = Vec::new();
+    result.extend_from_slice(&nonce);
+    result.extend_from_slice(&encrypted_data);
+    result
+}
+
+pub fn decrypt(data: &[u8], key: &[u8]) -> Vec<u8> {
+    let cipher = Aes128Gcm::new(Key::from_slice(key));
+    let nonce = Nonce::from_slice(&data[..12]);
+    let encrypted_data = &data[12..];
+    cipher.decrypt(nonce, encrypted_data).unwrap()
+}