refactor: move Aes256Gcm & Aes256Ctr32 in /gcm & /ctr

Cargo.toml

@@ -11,6 +11,7 @@ license = "GPL-3.0"
 [lib]
 name = "gcm_rs"
 path = "rust/lib.rs"
+crate-type = ["cdylib"]
 
 [profile.dev]
 opt-level = 0
@@ -25,3 +26,5 @@ ctr = { version = "0.9.2", features = ["zeroize"] }
 ghash = { version = "0.5.0", features = ["zeroize"] }
 subtle = "2.3"
 anyhow = "1.0.86"
+pyo3 = "0.21.2"
+

pyproject.toml

@@ -14,5 +14,5 @@ dynamic = ["version"]
 
 [tool.maturin]
 python-source = "python"
-module-name = "ready_gcm._lib_name"
+module-name = "gcm_rs._lib_name"
 features = ["pyo3/extension-module"]

rust/ctr.rs

@@ -49,3 +49,28 @@ impl Aes256Ctr32 {
 fn is_valid_nonce_size(nonce: &Nonce, expected_size: usize) -> bool {
     nonce.len() == expected_size
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[test]
+    fn test_aes256_ctr32_encryption_decryption() {
+        let key = [0u8; 32];
+        let nonce = [0u8; 12];
+        let init_ctr = 0;
+        let plaintext = b"plaintext";
+
+        let mut encryption =
+            Aes256Ctr32::from_key(&key, &nonce, init_ctr).unwrap();
+
+        let mut ciphertext = plaintext.to_vec();
+        encryption.xor(&mut ciphertext);
+
+        let mut decryption =
+            Aes256Ctr32::from_key(&key, &nonce, init_ctr).unwrap();
+
+        decryption.xor(&mut ciphertext);
+
+        assert_eq!(&ciphertext, plaintext);
+    }
+}