From e16302f9d475c7cc4dd18c5abf1a23cb5502e362 Mon Sep 17 00:00:00 2001
From: whyclxw <810412026@qq.com>
Date: 星期三, 28 五月 2025 14:57:56 +0800
Subject: [PATCH] 密码验证加-
---
src/main/java/com/whyc/encryption/SM2.java | 160 +++++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 141 insertions(+), 19 deletions(-)
diff --git a/src/main/java/com/whyc/encryption/SM2.java b/src/main/java/com/whyc/encryption/SM2.java
index c477e68..cbf573f 100644
--- a/src/main/java/com/whyc/encryption/SM2.java
+++ b/src/main/java/com/whyc/encryption/SM2.java
@@ -3,6 +3,7 @@
import org.bouncycastle.crypto.params.ECDomainParameters;
import org.bouncycastle.math.ec.ECCurve;
import org.bouncycastle.math.ec.ECPoint;
+import org.springframework.core.io.ClassPathResource;
import java.io.*;
import java.math.BigInteger;
@@ -34,6 +35,14 @@
private static ECCurve.Fp curve;
private static ECPoint G;
private boolean debug = false;
+
+ static {
+ curve = new ECCurve.Fp(p, // q
+ a, // a
+ b); // b
+ G = curve.createPoint(gx, gy);
+ ecc_bc_spec = new ECDomainParameters(curve, G, n);
+ }
public boolean isDebug() {
return debug;
@@ -382,15 +391,23 @@
*/
public void exportPublicKey(ECPoint publicKey, String path) {
File file = new File(path);
+ FileOutputStream fos=null;
try {
if (!file.exists())
file.createNewFile();
byte buffer[] = publicKey.getEncoded(false);
- FileOutputStream fos = new FileOutputStream(file);
+ fos = new FileOutputStream(file);
fos.write(buffer);
- fos.close();
} catch (IOException e) {
e.printStackTrace();
+ }finally {
+ if(fos!=null){
+ try {
+ fos.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
}
}
@@ -402,10 +419,12 @@
*/
public ECPoint importPublicKey(String path) {
File file = new File(path);
+ FileInputStream fis =null;
+ ECPoint ec=null;
try {
if (!file.exists())
return null;
- FileInputStream fis = new FileInputStream(file);
+ fis = new FileInputStream(file);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte buffer[] = new byte[16];
@@ -413,12 +432,19 @@
while ((size = fis.read(buffer)) != -1) {
baos.write(buffer, 0, size);
}
- fis.close();
- return curve.decodePoint(baos.toByteArray());
+ ec=curve.decodePoint(baos.toByteArray());
} catch (IOException e) {
e.printStackTrace();
+ }finally {
+ if(fis!=null){
+ try {
+ fis.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
}
- return null;
+ return ec;
}
/**
@@ -429,14 +455,23 @@
*/
public void exportPrivateKey(BigInteger privateKey, String path) {
File file = new File(path);
+ ObjectOutputStream oos =null;
try {
if (!file.exists())
file.createNewFile();
- ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(file));
+ oos = new ObjectOutputStream(new FileOutputStream(file));
oos.writeObject(privateKey);
- oos.close();
+
} catch (IOException e) {
e.printStackTrace();
+ }finally {
+ if(oos!=null){
+ try {
+ oos.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
}
}
@@ -448,20 +483,35 @@
*/
public BigInteger importPrivateKey(String path) {
File file = new File(path);
+ FileInputStream fis =null;
+ ObjectInputStream ois =null;
+ BigInteger res =null;
try {
if (!file.exists()) {
return null;
}
- FileInputStream fis = new FileInputStream(file);
- ObjectInputStream ois = new ObjectInputStream(fis);
- BigInteger res = (BigInteger) (ois.readObject());
- ois.close();
- fis.close();
- return res;
+ fis = new FileInputStream(file);
+ ois = new ObjectInputStream(fis);
+ res = (BigInteger) (ois.readObject());
} catch (Exception e) {
e.printStackTrace();
+ }finally {
+ if(fis!=null){
+ try {
+ fis.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ if(ois!=null){
+ try {
+ ois.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
}
- return null;
+ return res;
}
/**
@@ -780,9 +830,81 @@
}
}
+ /**
+ * 鑾峰彇绉侀挜
+ * @return
+ */
+ public static BigInteger getPrivateKey(){
+ ClassPathResource classPathResource = new ClassPathResource("/config/pri_key.ksm");
+ InputStream inputStream = null;
+ BigInteger res=null;
+ ObjectInputStream ois=null;
+ try {
+ inputStream = classPathResource.getInputStream();
+ ois = new ObjectInputStream(inputStream);
+ res = (BigInteger) (ois.readObject());
+ } catch (IOException | ClassNotFoundException e) {
+ e.printStackTrace();
+ }finally {
+ if(inputStream!=null){
+ try {
+ inputStream.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ if(ois!=null){
+ try {
+ ois.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ return res;
+ }
+
+ /**
+ * 鑾峰彇鍏挜
+ * @return
+ */
+ public static ECPoint getPublicKey(){
+ try {
+ ClassPathResource classPathResource = new ClassPathResource("/config/pub_key.ksm");
+ InputStream inputStream = classPathResource.getInputStream();
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+
+ byte buffer[] = new byte[16];
+ int size;
+ while ((size = inputStream.read(buffer)) != -1) {
+ baos.write(buffer, 0, size);
+ }
+ inputStream.close();
+ return curve.decodePoint(baos.toByteArray());
+ }catch (IOException e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
public static void main(String[] args) throws UnsupportedEncodingException {
SM2 sm02 = new SM2();
+ //BigInteger privateKey = sm02.importPrivateKey(ClassUtils.getDefaultClassLoader().getResource("").getPath() + "config/pri_key.ksm");
+ //ECPoint publicKey = sm02.importPublicKey(ClassUtils.getDefaultClassLoader().getResource("").getPath() + "config/pri_key.ksm");
+
+ BigInteger privateKey2 = sm02.getPrivateKey();
+ privateKey2 = privateKey2.add(new BigInteger("1"));
+ ECPoint publicKey2 = sm02.getPublicKey();
+
+ byte[] encrypt = sm02.encrypt("123456", publicKey2);
+ String decrypt = sm02.decrypt(encrypt, privateKey2);
+ System.out.println(decrypt);
+ //System.out.println(privateKey);
+ //System.out.println(publicKey);
+
+ //System.out.println(privateKey2);
+ //System.out.println(publicKey2);
/*
BigInteger px = new BigInteger(
"0AE4C779 8AA0F119 471BEE11 825BE462 02BB79E2 A5844495 E97C04FF 4DF2548A".replace(" ", ""), 16);
@@ -792,15 +914,15 @@
BigInteger privateKey = new BigInteger(
"128B2FA8 BD433C6C 068C8D80 3DFF7979 2A519A55 171B1B65 0C23661D 15897263".replace(" ", ""), 16);
*/
- SM2KeyPair keyPair = sm02.generateKeyPair();
+ /*SM2KeyPair keyPair = sm02.generateKeyPair();
ECPoint publicKey=keyPair.getPublicKey();
BigInteger privateKey=keyPair.getPrivateKey();
sm02.exportPublicKey(publicKey, "E:/publickey.pem");
sm02.exportPrivateKey(privateKey, "E:/privatekey.pem");
System.out.println("-----------------鍏挜鍔犲瘑涓庤В锟�?-----------------");
- /*ECPoint*/ publicKey = sm02.importPublicKey("E:/publickey.pem");
- /*BigInteger*/ privateKey = sm02.importPrivateKey("E:/privatekey.pem");
+ *//*ECPoint*//* publicKey = sm02.importPublicKey("E:/publickey.pem");
+ *//*BigInteger*//* privateKey = sm02.importPrivateKey("E:/privatekey.pem");
byte[] data = sm02.encrypt("娴嬭瘯鍔犲瘑aaaaaaaaaaa123aabb", publicKey);
System.out.print("瀵嗘枃:");
SM2.printHexString(data);
@@ -826,7 +948,7 @@
TransportEntity entity1 = aKeyExchange.keyExchange_1();
TransportEntity entity2 = bKeyExchange.keyExchange_2(entity1);
TransportEntity entity3 = aKeyExchange.keyExchange_3(entity2);
- bKeyExchange.keyExchange_4(entity3);
+ bKeyExchange.keyExchange_4(entity3);*/
}
public static class Signature {
--
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