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package com.ruoyi.zhiyuanzhe.utils;
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import cn.hutool.core.util.IdUtil;
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import cn.hutool.http.HttpUtil;
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import com.alibaba.fastjson2.JSONObject;
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import com.ruoyi.common.exception.ServiceException;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 推送数据
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*
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* @author wu
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* @since 2023/10/25 16:19
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*/
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public class PushDataUtil {
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private static final String pushUrl = "http://192.114.0.251/anchorchain/api/chaincode/createelementbygateway";
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/**
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* 推送json数据上链
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*
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* @param elementjsonstr 兑换记录json
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*/
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public static void pushData(String elementjsonstr) {
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// 获取uuid
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String key = IdUtil.simpleUUID();
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Map<String, Object> param = new HashMap<>();
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param.put("key", key);
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param.put("elementjsonstr", elementjsonstr);
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String result = HttpUtil.post(pushUrl, param);
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Map map = JSONObject.parseObject(result, Map.class);
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System.err.println(map);
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Object code = map.get("code");
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if (Integer.valueOf((String) code) != 200) {
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throw new ServiceException("数据传输失败");
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}
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}
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}
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package com.ruoyi.common.utils.sign;
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import org.apache.commons.codec.binary.Base64;
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import javax.crypto.Cipher;
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import java.security.KeyFactory;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.NoSuchAlgorithmException;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.security.interfaces.RSAPrivateKey;
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import java.security.interfaces.RSAPublicKey;
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import java.security.spec.PKCS8EncodedKeySpec;
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import java.security.spec.X509EncodedKeySpec;
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/**
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* RSA加密解密
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*
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* @author ruoyi
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**/
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public class RsaUtils {
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// Rsa 私钥
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public static String privateKey = "MIIBVAIBADANBgkqhkiG9w0BAQEFAASCAT4wggE6AgEAAkEAqhHyZfSsYourNxaY" + "7Nt+PrgrxkiA50efORdI5U5lsW79MmFnusUA355oaSXcLhu5xxB38SMSyP2KvuKN" + "PuH3owIDAQABAkAfoiLyL+Z4lf4Myxk6xUDgLaWGximj20CUf+5BKKnlrK+Ed8gA" + "kM0HqoTt2UZwA5E2MzS4EI2gjfQhz5X28uqxAiEA3wNFxfrCZlSZHb0gn2zDpWow" + "cSxQAgiCstxGUoOqlW8CIQDDOerGKH5OmCJ4Z21v+F25WaHYPxCFMvwxpcw99Ecv" + "DQIgIdhDTIqD2jfYjPTY8Jj3EDGPbH2HHuffvflECt3Ek60CIQCFRlCkHpi7hthh" + "YhovyloRYsM+IS9h/0BzlEAuO0ktMQIgSPT3aFAgJYwKpqRYKlLDVcflZFCKY7u3" + "UP8iWi1Qw0Y=";
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/**
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* 私钥解密
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*
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* @param text 待解密的文本
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* @return 解密后的文本
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*/
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public static String decryptByPrivateKey(String text) throws Exception {
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return decryptByPrivateKey(privateKey, text);
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}
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/**
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* 公钥解密
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*
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* @param publicKeyString 公钥
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* @param text 待解密的信息
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* @return 解密后的文本
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*/
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public static String decryptByPublicKey(String publicKeyString, String text) throws Exception {
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X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(Base64.decodeBase64(publicKeyString));
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KeyFactory keyFactory = KeyFactory.getInstance("RSA");
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PublicKey publicKey = keyFactory.generatePublic(x509EncodedKeySpec);
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Cipher cipher = Cipher.getInstance("RSA");
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cipher.init(Cipher.DECRYPT_MODE, publicKey);
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byte[] result = cipher.doFinal(Base64.decodeBase64(text));
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return new String(result);
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}
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/**
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* 私钥加密
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*
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* @param privateKeyString 私钥
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* @param text 待加密的信息
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* @return 加密后的文本
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*/
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public static String encryptByPrivateKey(String privateKeyString, String text) throws Exception {
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PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(Base64.decodeBase64(privateKeyString));
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KeyFactory keyFactory = KeyFactory.getInstance("RSA");
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PrivateKey privateKey = keyFactory.generatePrivate(pkcs8EncodedKeySpec);
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Cipher cipher = Cipher.getInstance("RSA");
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cipher.init(Cipher.ENCRYPT_MODE, privateKey);
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byte[] result = cipher.doFinal(text.getBytes());
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return Base64.encodeBase64String(result);
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}
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/**
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* 私钥解密
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*
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* @param privateKeyString 私钥
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* @param text 待解密的文本
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* @return 解密后的文本
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*/
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public static String decryptByPrivateKey(String privateKeyString, String text) throws Exception {
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PKCS8EncodedKeySpec pkcs8EncodedKeySpec5 = new PKCS8EncodedKeySpec(Base64.decodeBase64(privateKeyString));
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KeyFactory keyFactory = KeyFactory.getInstance("RSA");
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PrivateKey privateKey = keyFactory.generatePrivate(pkcs8EncodedKeySpec5);
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Cipher cipher = Cipher.getInstance("RSA");
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cipher.init(Cipher.DECRYPT_MODE, privateKey);
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byte[] result = cipher.doFinal(Base64.decodeBase64(text));
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return new String(result);
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}
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/**
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* 公钥加密
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*
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* @param publicKeyString 公钥
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* @param text 待加密的文本
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* @return 加密后的文本
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*/
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public static String encryptByPublicKey(String publicKeyString, String text) throws Exception {
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X509EncodedKeySpec x509EncodedKeySpec2 = new X509EncodedKeySpec(Base64.decodeBase64(publicKeyString));
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KeyFactory keyFactory = KeyFactory.getInstance("RSA");
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PublicKey publicKey = keyFactory.generatePublic(x509EncodedKeySpec2);
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Cipher cipher = Cipher.getInstance("RSA");
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cipher.init(Cipher.ENCRYPT_MODE, publicKey);
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byte[] result = cipher.doFinal(text.getBytes());
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return Base64.encodeBase64String(result);
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}
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/**
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* 构建RSA密钥对
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*
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* @return 生成后的公私钥信息
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*/
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public static RsaKeyPair generateKeyPair() throws NoSuchAlgorithmException {
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KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
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keyPairGenerator.initialize(1024);
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KeyPair keyPair = keyPairGenerator.generateKeyPair();
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RSAPublicKey rsaPublicKey = (RSAPublicKey) keyPair.getPublic();
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RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) keyPair.getPrivate();
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String publicKeyString = Base64.encodeBase64String(rsaPublicKey.getEncoded());
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String privateKeyString = Base64.encodeBase64String(rsaPrivateKey.getEncoded());
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return new RsaKeyPair(publicKeyString, privateKeyString);
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}
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/**
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* RSA密钥对对象
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*/
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public static class RsaKeyPair {
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private final String publicKey;
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private final String privateKey;
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public RsaKeyPair(String publicKey, String privateKey) {
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this.publicKey = publicKey;
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this.privateKey = privateKey;
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}
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public String getPublicKey() {
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return publicKey;
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}
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public String getPrivateKey() {
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return privateKey;
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}
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}
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}
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