import android.util.Base64;
import java.security.MessageDigest;
import java.security.spec.AlgorithmParameterSpec;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
public class AES64 {
private final Cipher cipher;
private final SecretKeySpec key;
private AlgorithmParameterSpec spec;
// 密钥
public static final String SEED_16_CHARACTER = "更换成自己的密钥";
public AES64() throws Exception {
// hash password with SHA-256 and crop the output to 128-bit for key
MessageDigest digest = MessageDigest.getInstance("SHA-256");//AES-256-CBC
digest.update(SEED_16_CHARACTER.getBytes("UTF-8"));
byte[] keyBytes = new byte[32];
System.arraycopy(digest.digest(), 0, keyBytes, 0, keyBytes.length);
cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
key = new SecretKeySpec(keyBytes, "AES");
spec = getIV();
}
public AlgorithmParameterSpec getIV() {
byte[] iv = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, };
IvParameterSpec ivParameterSpec;
ivParameterSpec = new IvParameterSpec(iv);
return ivParameterSpec;
}
/**
* 加密
* @param plainText
* @return
* @throws Exception
*/
public String encrypt(String plainText) throws Exception {
cipher.init(Cipher.ENCRYPT_MODE, key, spec);
byte[] encrypted = cipher.doFinal(plainText.trim().getBytes("UTF-8"));
String encryptedText = new String(Base64.encode(encrypted,
Base64.DEFAULT), "UTF-8");
encryptedText = encryptedText.replace("n", "");
return encryptedText;
}
/**
* 解密
* @param cryptedText
* @return
* @throws Exception
*/
public String decrypt(String cryptedText) throws Exception {
cipher.init(Cipher.DECRYPT_MODE, key, spec);
byte[] bytes = Base64.decode(cryptedText, Base64.DEFAULT);
byte[] decrypted = cipher.doFinal(bytes);
String decryptedText = new String(decrypted, "UTF-8");
return decryptedText;
}
}以上就是仿抖音短视频APP源码，AES加密工具类封装相关的代码， 更多内容欢迎关注之后的文章
