简单的静态实用方法来编码和解码给定的字符串。
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
...
private static byte[] key = {
0x74, 0x68, 0x69, 0x73, 0x49, 0x73, 0x41, 0x53, 0x65, 0x63, 0x72, 0x65, 0x74, 0x4b, 0x65, 0x79
}; // "ThisIsASecretKey";
public static String encrypt(String stringToEncrypt) throws Exception {
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
final SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
cipher.init(Cipher.ENCRYPT_MODE, secretKey);
final String encryptedString = Base64.encodeBase64String(cipher.doFinal(stringToEncrypt.getBytes()));
return encryptedString;
}
public static String decrypt(String stringToDecrypt) throws Exception {
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5PADDING");
final SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
cipher.init(Cipher.DECRYPT_MODE, secretKey);
final String decryptedString = new String(cipher.doFinal(Base64.decodeBase64(stringToDecrypt)));
return decryptedString;
}