Java紗畜室宝?鈍? - 園殻秘壇利
作者 佚名技术
来源 NET编程
浏览
发布时间 2012-06-23
| r> * 喘巷埒紗畜 * * @param data * @param privateKey * @return * @throws Exception */ public static byte[] encrypt(byte[] data, String privateKey) throws Exception { // 斤巷埒盾畜 byte[] keyBytes = decryptBASE64(privateKey); // 函誼巷埒 X509EncodedKeySpec x509KeySpec = new X509EncodedKeySpec(keyBytes); KeyFactory keyFactory = ECKeyFactory.INSTANCE; ECPublicKey pubKey = (ECPublicKey) keyFactory .generatePublic(x509KeySpec); ECPublicKeySpec ecPublicKeySpec = new ECPublicKeySpec(pubKey.getW(), pubKey.getParams()); // 斤方象紗畜 // TODO Chipher音屶隔EC麻隈 隆嬬糞? Cipher cipher = new NullCipher(); // Cipher.getInstance(ALGORITHM, keyFactory.getProvider()); cipher.init(Cipher.ENCRYPT_MODE, pubKey, ecPublicKeySpec.getParams()); return cipher.doFinal(data); } /** * 函誼暴埒 * * @param keyMap * @return * @throws Exception */ public static String getPrivateKey(Map<String, Object> keyMap) throws Exception { Key key = (Key) keyMap.get(PRIVATE_KEY); return encryptBASE64(key.getEncoded()); } /** * 函誼巷埒 * * @param keyMap * @return * @throws Exception */ public static String getPublicKey(Map<String, Object> keyMap) throws Exception { Key key = (Key) keyMap.get(PUBLIC_KEY); return encryptBASE64(key.getEncoded()); } /** * 兜兵晒畜埒 * * @return * @throws Exception */ public static Map<String, Object> initKey() throws Exception { BigInteger x1 = new BigInteger( "2fe13c0537bbc11acaa07d793de4e6d5e5c94eee8", 16); BigInteger x2 = new BigInteger( "289070fb05d38ff58321f2e800536d538ccdaa3d9", 16); ECPoint g = new ECPoint(x1, x2); // the order of generator BigInteger n = new BigInteger( "5846006549323611672814741753598448348329118574063", 10); // the cofactor int h = 2; int m = 163; int[] ks = { 7, 6, 3 }; ECFieldF2m ecField = new ECField |
凌众科技专业提供服务器租用、服务器托管、企业邮局、虚拟主机等服务，公司网站：http://www.lingzhong.cn 为了给广大客户了解更多的技术信息，本技术文章收集来源于网络,凌众科技尊重文章作者的版权，如果有涉及你的版权有必要删除你的文章，请和我们联系。以上信息与文章正文是不可分割的一部分,如果您要转载本文章,请保留以上信息，谢谢! |
你可能对下面的文章感兴趣
关于Java紗畜室宝?鈍? - 園殻秘壇利的所有评论
