基于甲骨文体育馆灵感的现代化体育馆网页设计源码

package com.gym.utils; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; import java.security.*; import java.security.interfaces.RSAPrivateKey; import java.security.interfaces.RSAPublicKey; import java.security.spec.PKCS8EncodedKeySpec; import java.security.spec.X509EncodedKeySpec; import java.util.Base64; import java.util.HashMap; /** * @author Feri * 实现常用的加解密 方法，支持 SHA AES RSA Base64 * ━━━━━━神兽出没━━━━━━ * 　　　┏┓　　　┏┓ * 　　┏┛┻━━━┛┻┓ * 　　┃　　　　　　 ┃ * 　　┃　　　━　　　┃ * 　　┃　┳┛　┗┳　 ┃ * 　　┃　　　　　　 ┃ * 　　┃　　　┻　　　┃ * 　　┃　　　　　　　┃ * 　　┗━┓　　　┏━┛Code is far away from bug with the animal protecting * 　　　　┃　　　┃ 神兽保佑,代码无bug * 　　　　┃　　　┃ * 　　　　┃　　　┗━━━┓ * 　　　　┃　　　　　　　┣┓ * 　　　　┃　　　　　　　┏┛ * 　　　　┗┓┓┏━┳┓┏┛ * 　　　　　┃┫┫　┃┫┫ * 　　　　　┗┻┛　┗┻┛ * <p> * ━━━━━━感觉萌萌哒━━━━━━ */ public class PassUtils { public static final String SHA1 = "SHA-1"; public static final String SHA256 = "SHA-256"; public static final String SHA384 = "SHA-384"; public static final String SHA512 = "SHA-512"; public static final String PUBKEY = "public_key"; public static final String PRIKEY = "private_key"; //1、编码格式 //base64 编码 public static String base64enc(String msg) { return Base64.getEncoder ().encodeToString (msg.getBytes ()); } private static String base64encByte(byte[] msg) { return Base64.getEncoder ().encodeToString (msg); } private static byte[] base64decByte(String msg) { return Base64.getDecoder ().decode (msg); } // // base64 解码 public static String base64dec(String msg) { return new String (Base64.getDecoder ().decode (msg)); } //MD5 摘要 public static String md5(String msg) { try { //创建摘要算法对象 MessageDigest messageDigest = MessageDigest.getInstance ("MD5"); messageDigest.update (msg.getBytes ()); return base64encByte (messageDigest.digest ()); } catch (NoSuchAlgorithmException e) { e.printStackTrace (); } return null; } //SHA 摘要 SHA-1 SHA-256 SHA-384 SHA-512 public static String sha(String type, String msg) { try { //创建摘要算法对象 MessageDigest messageDigest = MessageDigest.getInstance (type); messageDigest.update (msg.getBytes ()); return base64encByte (messageDigest.digest ()); } catch (NoSuchAlgorithmException e) { e.printStackTrace (); } return null; } //创建 对称加密---密钥 public static String createAESKey() { try { //1、创建随机key KeyGenerator generator = KeyGenerator.getInstance ("AES"); generator.init (128); SecretKey key = generator.generateKey (); return base64encByte (key.getEncoded ()); } catch (NoSuchAlgorithmException e) { e.printStackTrace (); } return null; } //AES 加密 返回的是base64格式 public static String aesenc(String key, String msg) { SecretKeySpec secretKeySpec = new SecretKeySpec (base64decByte (key), "AES"); try { Cipher cipher = Cipher.getInstance ("AES"); cipher.init (Cipher.ENCRYPT_MODE, secretKeySpec); return base64encByte (cipher.doFinal (msg.getBytes ())); } catch (Exception e) { e.printStackTrace (); } return null; } //AES 解密 返回的是base64格式 public static String aesdec(String key, String msg) { SecretKeySpec secretKeySpec = new SecretKeySpec (base64decByte (key), "AES"); try { Cipher cipher = Cipher.getInstance ("AES"); cipher.init (Cipher.DECRYPT_MODE, secretKeySpec); return new String (cipher.doFinal (base64decByte (msg))); } catch (Exception e) { e.printStackTrace (); } return null; } //创建-RSA 密钥 一对儿 公私钥 public static HashMap<String, String> createRSAKey() { try { KeyPairGenerator generator = KeyPairGenerator.getInstance ("RSA"); KeyPair keyPair = generator.generateKeyPair (); //创建使用私钥 RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate (); //创建使用公钥 RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic (); HashMap<String, String> keys = new HashMap<> (); keys.put (PUBKEY, base64encByte (publicKey.getEncoded())); keys.put (PRIKEY, base64encByte (privateKey.getEncoded ())); return keys; } catch (NoSuchAlgorithmException e) { e.printStackTrace (); } return null; } /** * rsa 公钥-加密*/ public static String rsaEncPub(String key,String msg){ X509EncodedKeySpec keySpec = new X509EncodedKeySpec(base64decByte(key)); try { KeyFactory keyFactory = KeyFactory.getInstance ("RSA"); PublicKey publicKey = keyFactory.generatePublic (keySpec); Cipher cipher = Cipher.getInstance ("RSA"); cipher.init (Cipher.ENCRYPT_MODE, publicKey); return base64encByte(cipher.doFinal(msg.getBytes())); } catch (Exception e) { e.printStackTrace(); } return null; } //RSA 私钥-加密 public static String rsaEnc(String key, String msg) { try { //转换私钥 PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec (base64decByte (key)); KeyFactory keyFactory = KeyFactory.getInstance ("RSA"); PrivateKey privateKey = keyFactory.generatePrivate (keySpec); Cipher cipher = Cipher.getInstance ("RSA"); cipher.init (Cipher.ENCRYPT_MODE, privateKey); return base64encByte(cipher.doFinal(msg.getBytes())); } catch (Exception e) { e.printStackTrace (); } return null; } //RSA 公钥-解密 public static String rsaDec(String key, String msg) { try { //转换公钥 X509EncodedKeySpec keySpec = new X509EncodedKeySpec (base64decByte (key)); KeyFactory keyFactory = KeyFactory.getInstance ("RSA"); PublicKey publicKey = keyFactory.generatePublic (keySpec); Cipher cipher = Cipher.getInstance ("RSA"); cipher.init (Cipher.DECRYPT_MODE, publicKey); return new String (cipher.doFinal (base64decByte (msg)), "UTF-8"); } catch (Exception e) { e.printStackTrace (); } return null; } /** * RSA 私钥-解密 * @param key 私钥 * @param msg 解密的密文 */ public static String rsaDecPri(String key, String msg) { try { //转换私钥 PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec (base64decByte (key)); KeyFactory keyFactory = KeyFactory.getInstance ("RSA"); PrivateKey privateKey = keyFactory.generatePrivate (keySpec); Cipher cipher = Cipher.getInstance ("RSA"); cipher.init (Cipher.DECRYPT_MODE, privateKey); return new String(cipher.doFinal(base64decByte(msg)),"UTF-8"); } catch (Exception e) { e.printStackTrace ()