Examples with NoSuchPaddingException javax.crypto.NoSuchPaddingException used on opensource projects

Example 51 with NoSuchPaddingException

use of javax.crypto.NoSuchPaddingException in project lzc_app_lib by httplzc.

the class RSAUtils method decryptByPrivateKey.

/**
 * 107.     * 私钥解密
 * 108.     *
 * 109.     * @param data
 * 110.     * @param privateKey
 * 111.     * @return
 * 112.     * @throws Exception
 * 113.
 */
public static String decryptByPrivateKey(byte[] data, RSAPrivateKey privateKey) {
    try {
        Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
        cipher.init(Cipher.DECRYPT_MODE, privateKey);
        return new String(cipher.doFinal(data));
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }
    return null;
}

Example 52 with NoSuchPaddingException

use of javax.crypto.NoSuchPaddingException in project lzc_app_lib by httplzc.

the class RSAUtils method encryptByPublicKey.

// 加密
public static byte[] encryptByPublicKey(String data, RSAPublicKey publicKey) {
    try {
        Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
        cipher.init(Cipher.ENCRYPT_MODE, publicKey);
        return cipher.doFinal(data.getBytes());
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }
    return null;
}

Example 53 with NoSuchPaddingException

use of javax.crypto.NoSuchPaddingException in project EssayJoke by qiyei2015.

the class AES method decrypt.

/**
 * AES解密
 * @param rules 规则
 * @param encryptText 密文
 * @return 解密后的明文
 */
public static byte[] decrypt(String rules, byte[] encryptText) {
    if (TextUtils.isEmpty(rules)) {
        return null;
    }
    if (encryptText == null || encryptText.length == 0) {
        return null;
    }
    try {
        SecretKeySpec key = generateSecretKey(rules);
        if (key != null) {
            // 6.根据指定算法AES自成密码器
            Cipher cipher = Cipher.getInstance("AES");
            // 7.初始化密码器，第一个参数为加密(Encrypt_mode)或者解密(Decrypt_mode)操作，第二个参数为使用的KEY
            cipher.init(Cipher.DECRYPT_MODE, key);
            // 8. 解密
            byte[] byteDecode = cipher.doFinal(encryptText);
            return byteDecode;
        }
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }
    return null;
}

Example 54 with NoSuchPaddingException

use of javax.crypto.NoSuchPaddingException in project EssayJoke by qiyei2015.

the class AES method encrypt.

/**
 * AES加密
 * @param rules 规则
 * @param plainText 明文
 * @return 加密后的密文
 */
public static byte[] encrypt(String rules, String plainText) {
    if (TextUtils.isEmpty(rules)) {
        return null;
    }
    if (plainText == null || plainText.length() == 0) {
        return null;
    }
    try {
        SecretKeySpec key = generateSecretKey(rules);
        if (key != null) {
            // 1.根据指定算法AES自成密码器
            Cipher cipher = Cipher.getInstance("AES");
            // 2.初始化密码器，第一个参数为加密(Encrypt_mode)或者解密(Decrypt_mode)操作，第二个参数为使用的KEY
            cipher.init(Cipher.ENCRYPT_MODE, key);
            // 3. 加密
            byte[] byteEncode = cipher.doFinal(plainText.getBytes("utf-8"));
            return byteEncode;
        }
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return null;
}

Example 55 with NoSuchPaddingException

use of javax.crypto.NoSuchPaddingException in project remusic by aa112901.

the class Aes method decrypt.

private static byte[] decrypt(byte[] content, String password) {
    try {
        byte[] keyStr = getKey(password);
        SecretKeySpec key = new SecretKeySpec(keyStr, "AES");
        // algorithmStr
        Cipher cipher = Cipher.getInstance(algorithmStr);
        // ʼ
        cipher.init(Cipher.DECRYPT_MODE, key);
        byte[] result = cipher.doFinal(content);
        // 
        return result;
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }
    return null;
}