Merge pull request #15 from rakurame96/example-tests

#7 Add examples using cas-lib

tests/symmetric.rs

@@ -0,0 +1,24 @@
+use std::{fs::{File}, io::Write, path::Path};
+
+use cas_lib::symmetric::{aes::CASAES256, cas_symmetric_encryption::CASAESEncryption};
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    #[test]
+    fn test_aes_256() {
+        let path = Path::new("tests/test.docx");
+        let file_bytes: Vec<u8> = std::fs::read(path).unwrap();
+        let aes_nonce = <CASAES256 as CASAESEncryption>::generate_nonce();
+        let aes_key = <CASAES256 as CASAESEncryption>::generate_key();
+        let encrypted_bytes = <CASAES256 as CASAESEncryption>::encrypt_plaintext(aes_key.clone(), aes_nonce.clone(), file_bytes);
+        let mut file =  File::create("encrypted.docx").unwrap();
+        file.write_all(&encrypted_bytes);
+
+        let path = Path::new("encrypted.docx");
+        let file_bytes: Vec<u8> = std::fs::read(path).unwrap();
+        let decrypted_bytes = <CASAES256 as CASAESEncryption>::decrypt_ciphertext(aes_key, aes_nonce, file_bytes);
+        let mut file =  File::create("decrypted.docx").unwrap();
+        file.write_all(&decrypted_bytes);
+    }
+}

tests/test.docx

@@ -0,0 +1,3 @@
+This is a sample document.
+It contains several lines of text.
+We will use this document to demonstrate signing and verifying using RSA encryption.