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jiang 2024-11-08 14:59:49 +08:00
parent 9e2bb4f3ce
commit 3fde9294ac
2 changed files with 8 additions and 21 deletions
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5
bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/encryption/Sm3Util.java
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@ -15,11 +15,6 @@ public class Sm3Util {
static SM3 sm3 = SmUtil.sm3WithSalt("2cc0c5f9f1749f1632efa9f63e902323".getBytes(StandardCharsets.UTF_8));
// public static void main(String[] args) {
//
// String msg= encrypt("1234567890");
// System.err.println(msg);
// }
public static String encrypt(String data) {
return Sm3Util.sm3.digestHex(data);

24
bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/encryption/Sm4Utils.java
View File

@ -4,7 +4,6 @@ import cn.hutool.core.util.HexUtil;
import cn.hutool.crypto.Mode;
import cn.hutool.crypto.Padding;
import cn.hutool.crypto.symmetric.SM4;
import com.bonus.common.core.utils.StringUtils;
/**
* @author bonus
@ -14,6 +13,8 @@ public class Sm4Utils {
* 必须是16字节
*/
private static final String KEY = "78d1295afa99449b99d6f83820e6965c";
private static final String IV = "f555adf6c01d0ab0761e626a2dae34a2";
/**
* 加密数据，使用固定盐
*
@ -22,13 +23,11 @@ public class Sm4Utils {
*/
public static String encrypt(String plainText) {
try {
String salt = StringUtils.randomUUID();
// 初始化SM4加密工具
SM4 sm4 = new SM4(Mode.CBC, Padding.PKCS5Padding, HexUtil.decodeHex(KEY),HexUtil.decodeHex(salt));
SM4 sm4 = new SM4(Mode.CBC, Padding.PKCS5Padding, HexUtil.decodeHex(KEY),HexUtil.decodeHex(IV));
// 加密带盐的明文
byte[] encryptedData = sm4.encrypt(plainText);
// 返回带盐的加密结果（Hex编码）
return HexUtil.encodeHexStr(encryptedData)+salt;
return HexUtil.encodeHexStr(encryptedData);
} catch (Exception e) {
e.printStackTrace();
return null; // 发生异常时返回null
@ -43,17 +42,10 @@ public class Sm4Utils {
*/
public static String decrypt(String cipherText) {
try {
// 提取盐，后32个字符
String salt = cipherText.length() > 32 ?
cipherText.substring(cipherText.length() - 32) :
cipherText; // 如果字符串长度小于32，返回整个字符串
// 去掉盐，获取原始的密文部分
String originalHex = cipherText.substring(0, cipherText.length() - 32);
// 初始化SM4解密工具
SM4 sm4 = new SM4(Mode.CBC, Padding.PKCS5Padding, HexUtil.decodeHex(KEY), HexUtil.decodeHex(salt));
SM4 sm4 = new SM4(Mode.CBC, Padding.PKCS5Padding, HexUtil.decodeHex(KEY),HexUtil.decodeHex(IV));
// 解密数据
byte[] decryptedData = sm4.decrypt(originalHex);
byte[] decryptedData = sm4.decrypt(cipherText);
return new String(decryptedData);
} catch (Exception e) {
e.printStackTrace();
@ -63,7 +55,7 @@ public class Sm4Utils {
// 测试方法，演示加密和解密过程
public static void main(String[] args) {
String plainText = "Hello, SM4 encryption with fixed salt!";
String plainText = "15398187429";
System.out.println("原文: " + plainText);
// 加密明文
@ -71,7 +63,7 @@ public class Sm4Utils {
System.out.println("加密后: " + encryptedText);
// 解密密文
String decryptedText = Sm4Utils.decrypt("224c59bb4aa36a42d6639cf31986521d8fc838bc299483ffef95ae38c7d16e43d8bc9862b0f9dc94c88ed69b4575f1b3");
String decryptedText = Sm4Utils.decrypt(encryptedText);
System.out.println("解密后: " + decryptedText);
}
}