From 49ea842aa493a2ada79d6833f4ff85fc8291c0cc Mon Sep 17 00:00:00 2001
From: whycxzp <perryhsu@163.com>
Date: 星期一, 14 三月 2022 10:49:16 +0800
Subject: [PATCH] SM2的公私钥获取方式更新
---
src/main/java/com/whyc/encryption/SM2.java | 74 +++++++++++++++++++++++++++++++++++--
1 files changed, 70 insertions(+), 4 deletions(-)
diff --git a/src/main/java/com/whyc/encryption/SM2.java b/src/main/java/com/whyc/encryption/SM2.java
index c477e68..29c1478 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;
@@ -780,9 +789,66 @@
}
}
+ /**
+ * 鑾峰彇绉侀挜
+ * @return
+ */
+ public static BigInteger getPrivateKey(){
+ ClassPathResource classPathResource = new ClassPathResource("/config/pri_key.ksm");
+ InputStream inputStream = null;
+ try {
+ inputStream = classPathResource.getInputStream();
+ ObjectInputStream ois = new ObjectInputStream(inputStream);
+ BigInteger res = (BigInteger) (ois.readObject());
+ ois.close();
+ return res;
+ } catch (IOException | ClassNotFoundException e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ /**
+ * 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 +858,15 @@
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 +892,7 @@
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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