package com.ruoyi.common.utils.sign;
import org.apache.commons.codec.binary.Base64;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;
import javax.crypto.Cipher;
import java.security.*;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
@Component
public class RSAUtil {
// Rsa 私钥 也可固定秘钥对 若依原写法(不安全)
public static String privateKeys = "";
private static String publicKeyStr = "";
private static String privateKeyStr = "";
private static String myPublicKeyStr = "";
private static String myPrivateKeyStr = "";
private static final RSAKeyPair rsaKeyPair = new RSAKeyPair();
private static final MyRSAPublicKey myRSAPublicKey = new MyRSAPublicKey();
private static final MyRSAPrivateKey myRSAPrivateKey = new MyRSAPrivateKey();
/**
* 私钥解密
*
* @param text 待解密的文本
* @return 解密后的文本
*/
public static String decryptByPrivateKey(String text) throws Exception {
return decryptByPrivateKey(rsaKeyPair.getPrivateKey(), text);
}
/**
* 私钥解密
*
* @param privateKeyString 私钥
* @param text 待解密的文本
* @return 解密后的文本
*/
public static String decryptByPrivateKey(String privateKeyString, String text) throws Exception {
PKCS8EncodedKeySpec pkcs8EncodedKeySpec5 = new PKCS8EncodedKeySpec(Base64.decodeBase64(privateKeyString));
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
PrivateKey privateKey = keyFactory.generatePrivate(pkcs8EncodedKeySpec5);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.DECRYPT_MODE, privateKey);
byte[] result = cipher.doFinal(Base64.decodeBase64(text));
return new String(result);
}
/**
* 私钥解密
*
* @param text 待解密的文本
* @return 解密后的文本
*/
public static String myDecryptByPrivateKey(String text) throws Exception {
return myDecryptByPrivateKey(myRSAPrivateKey.getPrivateKey(), text);
}
/**
* 私钥解密
*
* @param privateKeyString 私钥
* @param text 待解密的文本
* @return 解密后的文本
*/
private static String myDecryptByPrivateKey(String privateKeyString, String text) throws Exception {
PKCS8EncodedKeySpec pkcs8EncodedKeySpec5 = new PKCS8EncodedKeySpec(Base64.decodeBase64(privateKeyString));
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
PrivateKey privateKey = keyFactory.generatePrivate(pkcs8EncodedKeySpec5);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.DECRYPT_MODE, privateKey);
byte[] result = cipher.doFinal(Base64.decodeBase64(text));
return new String(result);
}
/**
* 公钥解密
*
* @param publicKeyString 公钥
* @param text 待解密的信息
* @return 解密后的文本
*/
public static String decryptByPublicKey(String publicKeyString, String text) throws Exception {
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(Base64.decodeBase64(publicKeyString));
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
PublicKey publicKey = keyFactory.generatePublic(x509EncodedKeySpec);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.DECRYPT_MODE, publicKey);
byte[] result = cipher.doFinal(Base64.decodeBase64(text));
return new String(result);
}
/**
* 私钥加密
*
* @param privateKeyString 私钥
* @param text 待加密的信息
* @return 加密后的文本
*/
public static String encryptByPrivateKey(String privateKeyString, String text) throws Exception {
PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(Base64.decodeBase64(privateKeyString));
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
PrivateKey privateKey = keyFactory.generatePrivate(pkcs8EncodedKeySpec);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.ENCRYPT_MODE, privateKey);
byte[] result = cipher.doFinal(text.getBytes());
return Base64.encodeBase64String(result);
}
/**
* 公钥加密
*
* @param publicKeyString 公钥
* @param text 待加密的文本
* @return 加密后的文本
*/
public static String encryptByPublicKey(String publicKeyString, String text) throws Exception {
X509EncodedKeySpec x509EncodedKeySpec2 = new X509EncodedKeySpec(Base64.decodeBase64(publicKeyString));
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
PublicKey publicKey = keyFactory.generatePublic(x509EncodedKeySpec2);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.ENCRYPT_MODE, publicKey);
byte[] result = cipher.doFinal(text.getBytes());
return Base64.encodeBase64String(result);
}
public static MyRSAPublicKey generatePublicKey() {
return myRSAPublicKey;
}
/**
* 构建RSA密钥对
*
* @return 生成后的公私钥信息
*/
@Bean
public void generateKeyPair() throws NoSuchAlgorithmException, NoSuchProviderException {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
keyPairGenerator.initialize(1024);
KeyPair keyPair = keyPairGenerator.generateKeyPair();
RSAPublicKey rsaPublicKey = (RSAPublicKey) keyPair.getPublic();
RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) keyPair.getPrivate();
String publicKeyString = Base64.encodeBase64String(rsaPublicKey.getEncoded());
String privateKeyString = Base64.encodeBase64String(rsaPrivateKey.getEncoded());
rsaKeyPair.setPrivateKey(privateKeyString);
rsaKeyPair.setPublicKey(publicKeyString);
myRSAPublicKey.setPublicKey(publicKeyString);
myRSAPrivateKey.setPrivateKey(privateKeyString);
publicKeyStr = publicKeyString;
privateKeyStr = privateKeyString;
myPublicKeyStr = publicKeyString;
myPrivateKeyStr = privateKeyString;
}
public static String getPublicKey() {
return publicKeyStr;
}
public static String getPrivateKey() {
return privateKeyStr;
}
public static String getMyPublicKeyStr() {
return myPublicKeyStr;
}
public static String getMyPrivateKeyStr() {
return myPrivateKeyStr;
}
public static RSAKeyPair rsaKeyPair() {
return rsaKeyPair;
}
/**
* RSA密钥-私钥对象
*/
public static class RSAKeyPair {
private String publicKey;
private String privateKey;
public void setPublicKey(String publicKey) {
this.publicKey = publicKey;
}
public void setPrivateKey(String privateKey) {
this.privateKey = privateKey;
}
public RSAKeyPair() {
}
public RSAKeyPair(String publicKey, String privateKey) {
this.publicKey = publicKey;
this.privateKey = privateKey;
}
public String getPublicKey() {
return publicKey;
}
public String getPrivateKey() {
return privateKey;
}
}
/**
* RSA密钥-公钥对象
*/
public static class MyRSAPrivateKey {
private String privateKey;
public MyRSAPrivateKey() {
}
public MyRSAPrivateKey(String privateKey) {
RuoYI前后端分离版本密码加密（去除私钥）_机关国产化.zip （9个子文件） 
RuoYI前后端分离版本密码加密（去除私钥）_机关国产化 前端 src store modules 
user.js 3KB utils jsencrypt.js 1KB views system user profile resetPwd.vue 3KB api login.js 1KB 后端 ruoyi-framework src main java com ruoyi framework web service SysLoginService.java 7KB config SecurityConfig.java 6KB ruoyi-admin src main java com ruoyi web controller system SysProfileController.java 6KB SysLoginController.java 3KB ruoyi-common src main java com ruoyi common utils sign RSAUtil.java 9KB资源评论
