goyyds 0.1.4

goyyds util
Documentation 
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// src/lib.rs

use aes_gcm::{Aes256Gcm, Nonce, KeyInit};
use aes_gcm::aead::Aead;

/// AES-256 GCM 加密
pub fn aes_encrypt(key: &[u8; 32], nonce: &[u8; 12], plaintext: &str) -> Result<Vec<u8>, String> {
    let cipher = Aes256Gcm::new_from_slice(key)
        .map_err(|e| format!("Invalid key: {}", e))?;
    let nonce = Nonce::from_slice(nonce);
    cipher.encrypt(nonce, plaintext.as_bytes())
        .map_err(|e| format!("Encryption failed: {}", e))
}

/// AES-256 GCM 解密
pub fn aes_decrypt(key: &[u8; 32], nonce: &[u8; 12], ciphertext: &[u8]) -> Result<String, String> {
    let cipher = Aes256Gcm::new_from_slice(key)
        .map_err(|e| format!("Invalid key: {}", e))?;
    let nonce = Nonce::from_slice(nonce);
    let decrypted_data = cipher.decrypt(nonce, ciphertext)
        .map_err(|e| format!("Decryption failed: {}", e))?;
    String::from_utf8(decrypted_data)
        .map_err(|e| format!("Invalid UTF-8: {}", e))
}