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				+package com.ruoyi.business.util; 
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				+ 
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				+import com.google.gson.Gson; 
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				+import com.ruoyi.business.constant.TaieOcConstants; 
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				+import lombok.extern.slf4j.Slf4j; 
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				+import org.apache.commons.lang3.StringUtils; 
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				+import org.bouncycastle.asn1.gm.GMNamedCurves; 
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				+import org.bouncycastle.asn1.x9.X9ECParameters; 
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				+import org.bouncycastle.crypto.CipherParameters; 
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				+import org.bouncycastle.crypto.CryptoException; 
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				+import org.bouncycastle.crypto.digests.SM3Digest; 
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				+import org.bouncycastle.crypto.engines.SM2Engine; 
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				+import org.bouncycastle.crypto.params.*; 
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				+import org.bouncycastle.crypto.signers.SM2Signer; 
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				+import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPrivateKey; 
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				+import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey; 
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				+import org.bouncycastle.jce.provider.BouncyCastleProvider; 
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				+import org.bouncycastle.math.ec.ECPoint; 
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				+import org.bouncycastle.pqc.math.linearalgebra.ByteUtils; 
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				+import org.bouncycastle.util.encoders.Hex; 
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				+ 
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				+import javax.crypto.Cipher; 
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				+import javax.crypto.KeyGenerator; 
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				+import javax.crypto.spec.SecretKeySpec; 
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				+import java.math.BigInteger; 
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				+import java.security.*; 
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				+import java.security.spec.ECGenParameterSpec; 
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				+import java.text.SimpleDateFormat; 
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				+import java.util.Arrays; 
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				+import java.util.Base64; 
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				+import java.util.HashMap; 
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				+import java.util.Map; 
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				+ 
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				+@Slf4j 
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				+public class SM2Utils { 
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				+ 
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				+    private static final Gson gson = new Gson(); 
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				+ 
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				+    private static final String privateKey = "00dc5fd5e756731eb744c36b72f2500fee1d1f589b89345b4d5496af66ac2c4911"; 
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				+ 
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				+    private static final String publicKey = "040fccb5debc513fa63c46dc50ab0e0ab070393a96f9f1d31176f7cf651bfb4449ef1bdc8e3cfa6194563381afaee17603019075112c2d70dc1ec8fefc1a7f920b"; 
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				+    private static final String SM4_KEY = "93f2eca686469186"; 
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				+ 
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				+    /** 
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				+     * 许可生成 
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				+     * 
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				+     * @param licenseType 
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				+     * @param machineType 
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				+     * @param expireTime 
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				+     * @param reqMap 
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				+     * @return 
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				+     */ 
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				+ 
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				+    public static String generateLicense(String licenseType, String machineType, String expireTime, Map<String, Object> reqMap) throws Exception { 
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				+        SM2Utils sm = new SM2Utils(); 
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				+ 
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				+ 
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				+//          1.签名内容:{签名内容}={许可类型=机器类型=许可过期时间},设备ID由执行器上传,许可类型,许可有效期由平台填充,可根据需要扩充字段 
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				+        String reqStr = reqMap == null ? TaieOcConstants.EMPTY_STRING : gson.toJson(reqMap); 
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				+        String sign_content = StringUtils.joinWith(TaieOcConstants.SIGN_DELIMA, licenseType, machineType, expireTime, reqStr); 
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				+//          2.签名值:{签名值}+{时间戳}={签名内容}+{SM2私钥} 
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				+        //获取SM2密钥,需要保存,公钥用来验签,私钥用来加签 
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				+        // Map<String, String> SM2_key = sm.getpublicKey(); 
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				+        //使用SM2私钥加签{签名内容} 
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				+        Map<String, String> map = sm.Sign(sign_content, privateKey, expireTime); 
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				+ 
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				+//          3.加密签名内容:{加密签名内容}=({签名内容}=={时间戳})+{SM4加密} 
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				+//          生成16位16进制SM4密钥,SM4加解密使用同一密钥加密({签名内容}=={时间戳}),解密需保存密钥值 
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				+        // String SM4_key = sm.generateKey(); 
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				+//          根据签名内容SM2加密数据,SM2加签时间组合SM4加密数据 
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				+        String sign_content_encrypt = map.get("sign") + "==" + map.get("timestamp"); 
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				+//          使用SM4_key再次加密签名内容 
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				+        String cipher = sm.encryptEcb(SM4_KEY, sign_content_encrypt); 
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				+        return cipher; 
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				+ 
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				+    } 
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				+ 
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				+    public static String getSM4encrypt(String str) { 
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				+        SM2Utils sm = new SM2Utils(); 
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				+        return sm.encryptEcb(SM4_KEY, str); 
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				+    } 
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				+ 
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				+    public static String getSM4decrypt(String str) { 
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				+        SM2Utils sm = new SM2Utils(); 
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				+        return sm.decryptEcb(SM4_KEY, str); 
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				+    } 
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				+ 
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				+    /** 
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				+     * 许可验证 
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				+     * 
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				+     * @param license 
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				+     * @return 
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				+     */ 
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				+    public static boolean verifyMachineLicense(String license, String licenseType, 
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				+                                               String machineType, 
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				+                                               String expireTime, String reqMap) throws Exception { 
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				+        SimpleDateFormat sdf = new SimpleDateFormat(TaieOcConstants.DATE_LONG_FORMAT); 
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				+        SM2Utils sm = new SM2Utils(); 
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				+        String sign_content = StringUtils.joinWith(TaieOcConstants.SIGN_DELIMA, licenseType, machineType, expireTime, reqMap); 
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				+ 
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				+        //  1.解密签名内容:{解密签名内容}={加密签名内容}+{SM4解密}={签名内容}+{时间戳} 
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				+        String sign_content_decrypt = sm.decryptEcb(SM4_KEY, license); 
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				+        //  2.验证签名:{验证签名}={签名内容}+{时间戳}+{签名值}+{SM2公钥} 
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				+        //  3.分割截取SM2加密签名值及加密时间 
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				+        String sign_value_decrypt = sign_content_decrypt.split("==")[0]; 
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				+        String datetime = sign_content_decrypt.split("==")[1]; 
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				+        //使用SM2公钥验签 
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				+        return sm.VerifySign(sign_content, publicKey, sign_value_decrypt, datetime); 
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				+    } 
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				+ 
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				+ 
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				+    public static String getDecryptValue(String license) throws Exception { 
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				+        SM2Utils sm = new SM2Utils(); 
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				+        String SM4_key = sm.generateKey(); 
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				+        Map<String, String> SM2_key = sm.getpublicKey(); 
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				+//  1.解密签名内容:{解密签名内容}={加密签名内容}+{SM4解密}={签名内容}+{时间戳} 
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				+        String sign_content_decrypt = sm.decryptEcb(SM4_key, license); 
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				+//          5.验证签名:{验证签名}={签名内容}+{时间戳}+{签名值}+{SM2公钥} 
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				+//          分割截取SM2加密签名值及加密时间 
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				+        String sign_value_decrypt = sign_content_decrypt.split("==")[0]; 
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				+        String datetime = sign_content_decrypt.split("==")[1]; 
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				+        //使用SM2公钥验签 
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				+        return sign_value_decrypt; 
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				+    } 
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				+ 
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				+ 
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				+    public Map<String, String> getpublicKey() { 
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				+        Map<String, String> map = new HashMap<String, String>(); 
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				+        ECGenParameterSpec sm2Spec = new ECGenParameterSpec("sm2p256v1"); 
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				+        KeyPairGenerator kpg; 
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				+        try { 
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				+ 
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				+ 
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				+            kpg = KeyPairGenerator.getInstance("EC", new BouncyCastleProvider()); 
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				+            // 使用SM2参数初始化生成器 
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				+            kpg.initialize(sm2Spec, new SecureRandom()); 
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				+            // 获取密钥对 
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				+            KeyPair keyPair = kpg.generateKeyPair(); 
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				+            PublicKey publicKey = keyPair.getPublic(); 
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				+            BCECPublicKey p = (BCECPublicKey) publicKey; 
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				+            map.put("publicKey", Hex.toHexString(p.getQ().getEncoded(false))); 
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				+            SM2Utils sm = new SM2Utils(); 
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				+            PrivateKey privateKey = keyPair.getPrivate(); 
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				+            BCECPrivateKey s = (BCECPrivateKey) privateKey; 
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				+            map.put("privateKey", Hex.toHexString(s.getD().toByteArray())); 
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				+ 
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				+        } catch (NoSuchAlgorithmException e) { 
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				+            log.error("get public key error", e); 
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				+        } catch (InvalidAlgorithmParameterException e) { 
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				+            log.error("get public key error", e); 
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				+        } 
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				+        return map; 
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				+    } 
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				+ 
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				+ 
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				+    /// <summary> 
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				+    /// 签名,国密SM2 
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				+    /// </summary> 
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				+    /// <param name="body">参数内容</param> 
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				+    /// <param name="privateKey">私钥</param> 
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				+    /// <param name="sign">签名值</param> 
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				+    /// <param name="timestamp">时间戳</param> 
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				+    public Map<String, String> Sign(String body, String privateKey, String dateStr) { 
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				+        Map<String, String> map = new HashMap<>(); 
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				+        String sign; 
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				+        try { 
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				+            if (body == null || body.equals("")) return null; 
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				+            if (privateKey == null || privateKey.equals("")) return null; 
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				+ 
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				+            // 加密算法采用SM2加密算法 
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				+            sign = Hex.toHexString(Sign(body.getBytes("utf-8"), privateKey, dateStr.getBytes("utf-8"))); 
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				+            map.put("sign", sign); 
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				+            map.put("timestamp", dateStr); 
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				+        } catch (Exception e) { 
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				+            log.error("Sign error", e); 
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				+        } 
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				+        return map; 
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				+    } 
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				+ 
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				+    /// <summary> 
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				+    /// 加签算法 标准C1C2C3模式 
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				+    /// </summary> 
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				+    /// <param name="sourceData">源数据</param> 
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				+    /// <param name="privateKey">私钥</param> 
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				+    /// <param name="userId">用户标识</param> 
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				+    public byte[] Sign(byte[] sourceData, String privateKey, byte[] userId) throws CryptoException { 
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				+        //获取一条SM2曲线参数 
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				+        X9ECParameters sm2ECParameters = GMNamedCurves.getByName("sm2p256v1"); 
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				+        //构造domain参数 
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				+        ECDomainParameters domainParameters = new ECDomainParameters(sm2ECParameters.getCurve(), sm2ECParameters.getG(), sm2ECParameters.getN()); 
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				+        BigInteger privateKeyD = new BigInteger(privateKey, 16); 
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				+        ECPrivateKeyParameters privateKeyParameters = new ECPrivateKeyParameters(privateKeyD, domainParameters); 
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				+        SM2Signer sm2 = new SM2Signer(new SM3Digest()); 
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				+        CipherParameters cp; 
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				+        if (userId != null) cp = new ParametersWithID(new ParametersWithRandom(privateKeyParameters), userId); 
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				+        else cp = new ParametersWithRandom(privateKeyParameters); 
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				+        sm2.init(true, cp); 
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				+        sm2.update(sourceData, 0, sourceData.length); 
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				+        return sm2.generateSignature(); 
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				+    } 
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				+ 
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				+ 
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				+    /// <summary> 
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				+    /// 验签,国密SM2 
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				+    /// </summary> 
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				+    /// <param name="body">参数内容</param> 
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				+    /// <param name="publicKey">公约</param> 
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				+    /// <param name="sign">签名值</param> 
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				+    /// <param name="timestamp">时间戳</param> 
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				+    /// <returns>成功与否</returns> 
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				+    public Boolean VerifySign(String body, String publicKey, String sign, String timestamp) { 
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				+        Boolean flag = false; 
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				+        try { 
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				+            if (body == null || body.equals("")) return false; 
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				+            if (publicKey == null || publicKey.equals("")) return false; 
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				+            if (sign == null || sign.equals("")) return false; 
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				 | 
				 | 
			
			
				+            if (timestamp == null || timestamp.equals("")) return false; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            flag = VerifySign(body.getBytes("utf-8"), Hex.decode(publicKey), Hex.decode(sign), timestamp.getBytes("utf-8")); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } catch (Exception e) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            log.error("VerifySign error", e); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return flag; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /// <summary> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /// 验签算法 标准C1C2C3模式 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /// </summary> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /// <param name="sourceData">源数据</param> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /// <param name="publicKey">公钥</param> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /// <param name="signData">验签数据</param> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /// <param name="userId">用户标识</param> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /// <returns></returns> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public static Boolean VerifySign(byte[] sourceData, byte[] publicKey, byte[] signData, byte[] userId) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        X9ECParameters x9ec = GMNamedCurves.getByName("sm2p256v1"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        ECDomainParameters domainParameters = new ECDomainParameters(x9ec.getCurve(), x9ec.getG(), x9ec.getN()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        CipherParameters publicKeyParameters = new ECPublicKeyParameters(x9ec.getCurve().decodePoint(publicKey), domainParameters); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        SM2Signer sm2 = new SM2Signer(new SM3Digest()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        CipherParameters cp; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        if (userId != null) cp = new ParametersWithID(publicKeyParameters, userId); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        else cp = publicKeyParameters; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        sm2.init(false, cp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        sm2.update(sourceData, 0, sourceData.length); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return sm2.verifySignature(signData); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * SM2加密算法 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param publicKey 公钥 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param data      明文数据 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public static String encrypt(String publicKey, String data) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 获取一条SM2曲线参数 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        X9ECParameters sm2ECParameters = GMNamedCurves.getByName("sm2p256v1"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 构造ECC算法参数,曲线方程、椭圆曲线G点、大整数N 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        ECDomainParameters domainParameters = new ECDomainParameters(sm2ECParameters.getCurve(), sm2ECParameters.getG(), sm2ECParameters.getN()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        //提取公钥点 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        ECPoint pukPoint = sm2ECParameters.getCurve().decodePoint(Hex.decode(publicKey)); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 公钥前面的02或者03表示是压缩公钥,04表示未压缩公钥, 04的时候,可以去掉前面的04 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        ECPublicKeyParameters publicKeyParameters = new ECPublicKeyParameters(pukPoint, domainParameters); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        SM2Engine sm2Engine = new SM2Engine(new SM3Digest()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 设置sm2为加密模式 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        sm2Engine.init(true, new ParametersWithRandom(publicKeyParameters)); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        byte[] arrayOfBytes = null; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        try { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] in = Hex.decode(data); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            arrayOfBytes = sm2Engine.processBlock(in, 0, in.length); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } catch (Exception e) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            log.error("SM2加密时出现异常:", e); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return Hex.toHexString(arrayOfBytes); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * SM2解密算法 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param privateKey 私钥 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param cipherData 密文数据 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public static String decrypt(String privateKey, String cipherData) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 使用BC库加解密时密文以04开头,传入的密文前面没有04则补上 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        if (!cipherData.startsWith("04")) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            cipherData = "04" + cipherData; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        byte[] cipherDataByte = Hex.decode(cipherData); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        //获取一条SM2曲线参数 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        X9ECParameters sm2ECParameters = GMNamedCurves.getByName("sm2p256v1"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        //构造domain参数 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        ECDomainParameters domainParameters = new ECDomainParameters(sm2ECParameters.getCurve(), sm2ECParameters.getG(), sm2ECParameters.getN()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        BigInteger privateKeyD = new BigInteger(privateKey, 16); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        ECPrivateKeyParameters privateKeyParameters = new ECPrivateKeyParameters(privateKeyD, domainParameters); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        SM2Engine sm2Engine = new SM2Engine(new SM3Digest()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 设置sm2为解密模式 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        sm2Engine.init(false, privateKeyParameters); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        String result = ""; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        try { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] arrayOfBytes = sm2Engine.processBlock(cipherDataByte, 0, cipherDataByte.length); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            return Hex.toHexString(arrayOfBytes); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } catch (Exception e) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            log.error("SM2解密时出现异常:", e); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return result; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    static { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Security.addProvider(new BouncyCastleProvider()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private static final String ENCODING = "UTF-8"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public static final String ALGORITHM_NAME = "SM4"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // 加密算法/分组加密模式/分组填充方式 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // PKCS5Padding-以8个字节为一组进行分组加密 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // 定义分组加密模式使用:PKCS5Padding 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public static final String ALGORITHM_NAME_ECB_PADDING = "SM4/ECB/PKCS5Padding"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // 128-32位16进制;256-64位16进制 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public static final int DEFAULT_KEY_SIZE = 64; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 自动生成密钥 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @explain 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public String generateKey() throws Exception { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return new String(Hex.encode(generateKey(DEFAULT_KEY_SIZE))); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param keySize 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @throws Exception 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @explain 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public byte[] generateKey(int keySize) throws Exception { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        KeyGenerator kg = KeyGenerator.getInstance(ALGORITHM_NAME, BouncyCastleProvider.PROVIDER_NAME); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        kg.init(keySize, new SecureRandom()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return kg.generateKey().getEncoded(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 生成ECB暗号 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param algorithmName 算法名称 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param mode          模式 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param key 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @throws Exception 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @explain ECB模式(电子密码本模式:Electronic codebook) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    private Cipher generateEcbCipher(String algorithmName, int mode, byte[] key) throws Exception { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Cipher cipher = Cipher.getInstance(algorithmName, BouncyCastleProvider.PROVIDER_NAME); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Key sm4Key = new SecretKeySpec(key, ALGORITHM_NAME); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        cipher.init(mode, sm4Key); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return cipher; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * sm4加密 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param hexKey   16进制密钥(忽略大小写) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param paramStr 待加密字符串 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 返回16进制的加密字符串 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @explain 加密模式:ECB 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 密文长度不固定,会随着被加密字符串长度的变化而变化 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public String encryptEcb(String hexKey, String paramStr) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        try { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            String cipherText = ""; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 16进制字符串-->byte[] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] keyData = hexKey.getBytes("utf-8"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // String-->byte[] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] srcData = paramStr.getBytes("utf-8"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 加密后的数组 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] cipherArray = encryptEcbPadding(keyData, srcData); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // byte[]-->hexString 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            cipherText = Base64.getEncoder().encodeToString(cipherArray); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            return cipherText; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } catch (Exception e) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            return paramStr; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * sm4解密 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param hexKey     16进制密钥 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param cipherText 16进制的加密字符串(忽略大小写) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 解密后的字符串 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @throws Exception 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @explain 解密模式:采用ECB 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public String decryptEcb(String hexKey, String cipherText) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 用于接收解密后的字符串 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        String decryptStr = ""; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        try { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // hexString-->byte[] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] keyData = hexKey.getBytes("utf-8"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // hexString-->byte[] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] cipherData = Base64.getDecoder().decode(cipherText); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 解密 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] srcData = new byte[0]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            srcData = decryptEcbPadding(keyData, cipherData); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // byte[]-->String 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            decryptStr = new String(srcData, ENCODING); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } catch (Exception e) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            log.error("decryptEcb error", e); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return decryptStr; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 加密模式之Ecb 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param key 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param data 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @throws Exception 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @explain 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public byte[] encryptEcbPadding(byte[] key, byte[] data) throws Exception { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Cipher cipher = generateEcbCipher(ALGORITHM_NAME_ECB_PADDING, Cipher.ENCRYPT_MODE, key); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return cipher.doFinal(data); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 解密 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param key 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param cipherText 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @return 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @throws Exception 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @explain 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public byte[] decryptEcbPadding(byte[] key, byte[] cipherText) throws Exception { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        Cipher cipher = generateEcbCipher(ALGORITHM_NAME_ECB_PADDING, Cipher.DECRYPT_MODE, key); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return cipher.doFinal(cipherText); 
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				 | 
				 | 
			
			
				+    } 
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				 | 
				 | 
			
			
				+ 
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				 | 
				 | 
			
			
				+    /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 校验加密前后的字符串是否为同一数据 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param hexKey     16进制密钥(忽略大小写) 
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				 | 
				 | 
			
			
				+     * @param cipherText 16进制加密后的字符串 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @param paramStr   加密前的字符串 
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				 | 
				 | 
			
			
				+     * @return 是否为同一数据 
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				 | 
				 | 
			
			
				+     * @throws Exception 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     * @explain 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+     */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    public boolean verifyEcb(String hexKey, String cipherText, String paramStr) throws Exception { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 用于接收校验结果 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        boolean flag = false; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        try { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // hexString-->byte[] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] keyData = hexKey.getBytes("utf-8"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 将16进制字符串转换成数组 
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				 | 
				 | 
			
			
				+            byte[] cipherData = ByteUtils.fromHexString(cipherText); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 解密 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] decryptData = decryptEcbPadding(keyData, cipherData); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 将原字符串转换成byte[] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            byte[] srcData = paramStr.getBytes(ENCODING); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // 判断2个数组是否一致 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            flag = Arrays.equals(decryptData, srcData); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } catch (Exception e) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            log.error("verifyEcb error", e); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        return flag; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 |