diff --git a/.gitignore b/.gitignore
index 00c25f2..76eefb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,3 +36,4 @@ build/
### Mac OS ###
.DS_Store
/knowledge-base-server-log/
+knowledge-base-server.iml
diff --git a/pom.xml b/pom.xml
index d272218..c8390e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,6 +42,8 @@
8.0.33
3.5.5
+
+ 1.70
@@ -195,6 +197,16 @@
${mybatis-plus-boot-starter.version}
+
+ org.bouncycastle
+ bcprov-jdk15to18
+ ${org.bouncycastle.version}
+
+
+ org.bouncycastle
+ bcprov-jdk15to18
+ ${org.bouncycastle.version}
+
@@ -327,6 +339,15 @@
mybatis-plus-boot-starter
+
+ org.bouncycastle
+ bcprov-jdk15to18
+
+
+ org.bouncycastle
+ bcprov-jdk15to18
+
+
diff --git a/src/main/java/com/knowledge/base/KnowledgeBaseApplication.java b/src/main/java/com/knowledge/base/KnowledgeBaseApplication.java
index 46fc3b2..66c867c 100644
--- a/src/main/java/com/knowledge/base/KnowledgeBaseApplication.java
+++ b/src/main/java/com/knowledge/base/KnowledgeBaseApplication.java
@@ -1,9 +1,12 @@
package com.knowledge.base;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableScheduling;
+import java.security.Security;
+
/**
* @author Luke.ye
*/
@@ -11,6 +14,10 @@ import org.springframework.scheduling.annotation.EnableScheduling;
@SpringBootApplication
public class KnowledgeBaseApplication {
+ static {
+ Security.addProvider(new BouncyCastleProvider());
+ }
+
public static void main(String[] args) {
SpringApplication.run(KnowledgeBaseApplication.class, args);
}
diff --git a/src/main/java/com/knowledge/base/domain/user/service/UserServiceImpl.java b/src/main/java/com/knowledge/base/domain/user/service/UserServiceImpl.java
index 232af6f..0bcb3b2 100644
--- a/src/main/java/com/knowledge/base/domain/user/service/UserServiceImpl.java
+++ b/src/main/java/com/knowledge/base/domain/user/service/UserServiceImpl.java
@@ -5,6 +5,7 @@ import com.knowledge.base.domain.user.repository.iface.UserRepository;
import com.knowledge.base.domain.user.repository.iface.UserTokenRepository;
import com.knowledge.base.domain.user.repository.po.User;
import com.knowledge.base.domain.user.repository.po.UserToken;
+import com.knowledge.base.infrastructure.util.crypto.SM3Util;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
@@ -35,7 +36,7 @@ public class UserServiceImpl implements UserService {
}
User user = new User();
user.setUsername(username);
- user.setPassword(new SM3().digestHex(plainPassword));
+ user.setPassword(SM3Util.digest(plainPassword));
userRepository.save(user);
return true;
}
diff --git a/src/main/java/com/knowledge/base/infrastructure/repository/config/MyMetaObjectHandler.java b/src/main/java/com/knowledge/base/infrastructure/repository/config/MyMetaObjectHandler.java
new file mode 100644
index 0000000..9058372
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/repository/config/MyMetaObjectHandler.java
@@ -0,0 +1,22 @@
+package com.knowledge.base.infrastructure.repository.config;
+
+import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+import org.apache.ibatis.reflection.MetaObject;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDateTime;
+
+@Component
+public class MyMetaObjectHandler implements MetaObjectHandler {
+
+ @Override
+ public void insertFill(MetaObject metaObject) {
+ this.strictInsertFill(metaObject, "addTime", LocalDateTime.class, LocalDateTime.now());
+ this.strictInsertFill(metaObject, "updateTime", LocalDateTime.class, LocalDateTime.now());
+ }
+
+ @Override
+ public void updateFill(MetaObject metaObject) {
+ this.strictUpdateFill(metaObject, "updateTime", LocalDateTime.class, LocalDateTime.now());
+ }
+}
diff --git a/src/main/java/com/knowledge/base/infrastructure/util/crypto/LocalCacheUtil.java b/src/main/java/com/knowledge/base/infrastructure/util/crypto/LocalCacheUtil.java
new file mode 100644
index 0000000..70c759e
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/util/crypto/LocalCacheUtil.java
@@ -0,0 +1,103 @@
+package com.knowledge.base.infrastructure.util.crypto;
+
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * 使用 Guava 实现的本地缓存工具类
+ *
+ * @author Luke.ye
+ * @date 2025/5/7 08:46
+ */
+public class LocalCacheUtil {
+ private static final Logger LOGGER = LoggerFactory.getLogger(LocalCacheUtil.class);
+
+ // 默认缓存配置
+ private static final int DEFAULT_MAX_CACHE_SIZE = 1000; // 最大缓存条目数
+ private static final int DEFAULT_INITIAL_CAPACITY = 400; // 缓存初始容量
+ private static final int DEFAULT_EXPIRATION_DAYS = 7; // 缓存过期时间(单位:天)
+
+ private static Cache cache;
+
+ static {
+ // 初始化缓存(使用默认配置)
+ initializeCache(DEFAULT_MAX_CACHE_SIZE, DEFAULT_INITIAL_CAPACITY, DEFAULT_EXPIRATION_DAYS);
+ }
+
+ /**
+ * 初始化缓存。
+ *
+ * @param maxSize 缓存的最大容量。
+ * @param initialCapacity 缓存的初始容量。
+ * @param expirationDays 缓存条目的过期时间(单位:天)。
+ */
+ private static void initializeCache(int maxSize, int initialCapacity, int expirationDays) {
+ cache = CacheBuilder.newBuilder()
+ .expireAfterAccess(expirationDays, TimeUnit.DAYS) // 设置访问过期时间
+ .initialCapacity(initialCapacity) // 设置初始容量
+ .maximumSize(maxSize) // 设置最大缓存条目数
+ .build();
+ }
+
+ /**
+ * 根据 key 获取缓存中的值。
+ *
+ * @param key 缓存的键。
+ * @return 返回对应的值,如果键不存在则返回 null。
+ */
+ public static Object get(String key) {
+ return cache.getIfPresent(key);
+ }
+
+ /**
+ * 向缓存中存储一个键值对。
+ * 如果缓存容量接近上限,记录警告日志。
+ *
+ * @param key 缓存的键。
+ * @param value 缓存的值。
+ */
+ public static void put(String key, Object value) {
+ long size = cache.size();
+ if (size >= cache.stats().loadCount() && size >= DEFAULT_MAX_CACHE_SIZE >> 1) {
+ LOGGER.warn("缓存接近最大容量 {},当前大小为 {},建议增加缓存容量。", DEFAULT_MAX_CACHE_SIZE, size);
+ }
+ cache.put(key, value);
+ }
+
+ /**
+ * 根据 key 移除缓存中的条目。
+ *
+ * @param key 要移除的键。
+ */
+ public static void remove(String key) {
+ cache.invalidate(key);
+ }
+
+ /**
+ * 清空缓存中的所有条目。
+ */
+ public static void clearAll() {
+ cache.invalidateAll();
+ }
+
+ /**
+ * 查询缓存中的所有键值对。
+ *
+ * @return 返回包含缓存内容的并发映射。
+ */
+ public static ConcurrentMap getAll() {
+ return cache.asMap();
+ }
+
+ /**
+ * 打印当前缓存统计信息(如命中率、加载次数等)。
+ */
+ public static void logCacheStats() {
+ LOGGER.info("缓存最大容量 {},当前大小为 {}, 缓存统计信息: {}", DEFAULT_MAX_CACHE_SIZE, cache.size(), cache.stats().toString());
+ }
+}
diff --git a/src/main/java/com/knowledge/base/infrastructure/util/crypto/SM3Util.java b/src/main/java/com/knowledge/base/infrastructure/util/crypto/SM3Util.java
new file mode 100644
index 0000000..7262926
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/util/crypto/SM3Util.java
@@ -0,0 +1,45 @@
+package com.knowledge.base.infrastructure.util.crypto;
+
+import cn.hutool.crypto.SmUtil;
+import cn.hutool.crypto.digest.SM3;
+import com.knowledge.base.infrastructure.util.crypto.gmhelper.GMBaseUtil;
+
+import java.util.Objects;
+
+/**
+ * SM3工具类
+ * @author Luke.ye
+ * @date 2025/5/7 11:31
+ */
+public class SM3Util extends GMBaseUtil {
+
+ private static final SM3 sm3 = SmUtil.sm3();
+
+ /**
+ * 使用SM3算法生成字符串的摘要
+ *
+ * @param data 要加密的输入数据
+ * @return 加密后的十六进制字符串
+ */
+ public static String digest(String data) {
+ if (Objects.isNull(data)) {
+ throw new IllegalArgumentException("输入数据不能为空");
+ }
+ return sm3.digestHex(data);
+ }
+
+ /**
+ * 验证输入数据与哈希是否匹配。
+ *
+ * @param data 原始数据
+ * @param encryptedHash 用于比较的哈希值
+ * @return 如果匹配返回true,否则返回false
+ */
+ public static boolean verify(String data, String encryptedHash) {
+ if (Objects.isNull(data) || Objects.isNull(encryptedHash)) {
+ throw new IllegalArgumentException("数据和加密哈希值不能为空");
+ }
+ return digest(data).equalsIgnoreCase(encryptedHash);
+ }
+}
+
diff --git a/src/main/java/com/knowledge/base/infrastructure/util/crypto/SM4Util.java b/src/main/java/com/knowledge/base/infrastructure/util/crypto/SM4Util.java
new file mode 100644
index 0000000..6fb2f9d
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/util/crypto/SM4Util.java
@@ -0,0 +1,182 @@
+package com.knowledge.base.infrastructure.util.crypto;
+
+import com.knowledge.base.infrastructure.util.crypto.gmhelper.GMBaseUtil;
+import org.bouncycastle.crypto.CipherParameters;
+import org.bouncycastle.crypto.engines.SM4Engine;
+import org.bouncycastle.crypto.macs.CBCBlockCipherMac;
+import org.bouncycastle.crypto.macs.GMac;
+import org.bouncycastle.crypto.modes.GCMBlockCipher;
+import org.bouncycastle.crypto.paddings.BlockCipherPadding;
+import org.bouncycastle.crypto.paddings.PKCS7Padding;
+import org.bouncycastle.crypto.params.KeyParameter;
+import org.bouncycastle.crypto.params.ParametersWithIV;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+
+import javax.crypto.*;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import java.security.*;
+
+public class SM4Util extends GMBaseUtil {
+ public static final String ALGORITHM_NAME = "SM4";
+ public static final String ALGORITHM_NAME_ECB_PADDING = "SM4/ECB/PKCS5Padding";
+ public static final String ALGORITHM_NAME_ECB_NOPADDING = "SM4/ECB/NoPadding";
+ public static final String ALGORITHM_NAME_CBC_PADDING = "SM4/CBC/PKCS5Padding";
+ public static final String ALGORITHM_NAME_CBC_NOPADDING = "SM4/CBC/NoPadding";
+
+ /**
+ * SM4算法目前只支持128位(即密钥16字节)
+ */
+ public static final int DEFAULT_KEY_SIZE = 128;
+
+ public static byte[] generateKey() throws NoSuchAlgorithmException, NoSuchProviderException {
+ return generateKey(DEFAULT_KEY_SIZE);
+ }
+
+ public static byte[] generateKey(int keySize) throws NoSuchAlgorithmException, NoSuchProviderException {
+ KeyGenerator kg = KeyGenerator.getInstance(ALGORITHM_NAME, BouncyCastleProvider.PROVIDER_NAME);
+ kg.init(keySize, new SecureRandom());
+ return kg.generateKey().getEncoded();
+ }
+
+ public static byte[] encrypt_ECB_Padding(byte[] key, byte[] data)
+ throws InvalidKeyException, NoSuchAlgorithmException, NoSuchProviderException,
+ NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException {
+ Cipher cipher = generateECBCipher(ALGORITHM_NAME_ECB_PADDING, Cipher.ENCRYPT_MODE, key);
+ return cipher.doFinal(data);
+ }
+
+ public static byte[] decrypt_ECB_Padding(byte[] key, byte[] cipherText)
+ throws IllegalBlockSizeException, BadPaddingException, InvalidKeyException,
+ NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException {
+ Cipher cipher = generateECBCipher(ALGORITHM_NAME_ECB_PADDING, Cipher.DECRYPT_MODE, key);
+ return cipher.doFinal(cipherText);
+ }
+
+ public static byte[] encrypt_ECB_NoPadding(byte[] key, byte[] data)
+ throws InvalidKeyException, NoSuchAlgorithmException, NoSuchProviderException,
+ NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException {
+ Cipher cipher = generateECBCipher(ALGORITHM_NAME_ECB_NOPADDING, Cipher.ENCRYPT_MODE, key);
+ return cipher.doFinal(data);
+ }
+
+ public static byte[] decrypt_ECB_NoPadding(byte[] key, byte[] cipherText)
+ throws IllegalBlockSizeException, BadPaddingException, InvalidKeyException,
+ NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException {
+ Cipher cipher = generateECBCipher(ALGORITHM_NAME_ECB_NOPADDING, Cipher.DECRYPT_MODE, key);
+ return cipher.doFinal(cipherText);
+ }
+
+ public static byte[] encrypt_CBC_Padding(byte[] key, byte[] iv, byte[] data)
+ throws InvalidKeyException, NoSuchAlgorithmException, NoSuchProviderException,
+ NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException,
+ InvalidAlgorithmParameterException {
+ Cipher cipher = generateCBCCipher(ALGORITHM_NAME_CBC_PADDING, Cipher.ENCRYPT_MODE, key, iv);
+ return cipher.doFinal(data);
+ }
+
+ public static byte[] decrypt_CBC_Padding(byte[] key, byte[] iv, byte[] cipherText)
+ throws IllegalBlockSizeException, BadPaddingException, InvalidKeyException,
+ NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException,
+ InvalidAlgorithmParameterException {
+ Cipher cipher = generateCBCCipher(ALGORITHM_NAME_CBC_PADDING, Cipher.DECRYPT_MODE, key, iv);
+ return cipher.doFinal(cipherText);
+ }
+
+ public static byte[] encrypt_CBC_NoPadding(byte[] key, byte[] iv, byte[] data)
+ throws InvalidKeyException, NoSuchAlgorithmException, NoSuchProviderException,
+ NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException,
+ InvalidAlgorithmParameterException {
+ Cipher cipher = generateCBCCipher(ALGORITHM_NAME_CBC_NOPADDING, Cipher.ENCRYPT_MODE, key, iv);
+ return cipher.doFinal(data);
+ }
+
+ public static byte[] decrypt_CBC_NoPadding(byte[] key, byte[] iv, byte[] cipherText)
+ throws IllegalBlockSizeException, BadPaddingException, InvalidKeyException,
+ NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException,
+ InvalidAlgorithmParameterException {
+ Cipher cipher = generateCBCCipher(ALGORITHM_NAME_CBC_NOPADDING, Cipher.DECRYPT_MODE, key, iv);
+ return cipher.doFinal(cipherText);
+ }
+
+ public static byte[] doCMac(byte[] key, byte[] data) throws NoSuchProviderException, NoSuchAlgorithmException,
+ InvalidKeyException {
+ Key keyObj = new SecretKeySpec(key, ALGORITHM_NAME);
+ return doMac("SM4-CMAC", keyObj, data);
+ }
+
+ public static byte[] doGMac(byte[] key, byte[] iv, int tagLength, byte[] data) {
+ org.bouncycastle.crypto.Mac mac = new GMac(new GCMBlockCipher(new SM4Engine()), tagLength * 8);
+ return doMac(mac, key, iv, data);
+ }
+
+ /**
+ * 默认使用PKCS7Padding/PKCS5Padding填充的CBCMAC
+ *
+ * @param key
+ * @param iv
+ * @param data
+ * @return
+ */
+ public static byte[] doCBCMac(byte[] key, byte[] iv, byte[] data) {
+ SM4Engine engine = new SM4Engine();
+ org.bouncycastle.crypto.Mac mac = new CBCBlockCipherMac(engine, engine.getBlockSize() * 8, new PKCS7Padding());
+ return doMac(mac, key, iv, data);
+ }
+
+ /**
+ * @param key
+ * @param iv
+ * @param padding 可以传null,传null表示NoPadding,由调用方保证数据必须是BlockSize的整数倍
+ * @param data
+ * @return
+ * @throws Exception
+ */
+ public static byte[] doCBCMac(byte[] key, byte[] iv, BlockCipherPadding padding, byte[] data) throws Exception {
+ SM4Engine engine = new SM4Engine();
+ if (padding == null) {
+ if (data.length % engine.getBlockSize() != 0) {
+ throw new Exception("if no padding, data length must be multiple of SM4 BlockSize");
+ }
+ }
+ org.bouncycastle.crypto.Mac mac = new CBCBlockCipherMac(engine, engine.getBlockSize() * 8, padding);
+ return doMac(mac, key, iv, data);
+ }
+
+
+ private static byte[] doMac(org.bouncycastle.crypto.Mac mac, byte[] key, byte[] iv, byte[] data) {
+ CipherParameters cipherParameters = new KeyParameter(key);
+ mac.init(new ParametersWithIV(cipherParameters, iv));
+ mac.update(data, 0, data.length);
+ byte[] result = new byte[mac.getMacSize()];
+ mac.doFinal(result, 0);
+ return result;
+ }
+
+ private static byte[] doMac(String algorithmName, Key key, byte[] data) throws NoSuchProviderException,
+ NoSuchAlgorithmException, InvalidKeyException {
+ Mac mac = Mac.getInstance(algorithmName, BouncyCastleProvider.PROVIDER_NAME);
+ mac.init(key);
+ mac.update(data);
+ return mac.doFinal();
+ }
+
+ private static Cipher generateECBCipher(String algorithmName, int mode, byte[] key)
+ throws NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException,
+ InvalidKeyException {
+ Cipher cipher = Cipher.getInstance(algorithmName, BouncyCastleProvider.PROVIDER_NAME);
+ Key sm4Key = new SecretKeySpec(key, ALGORITHM_NAME);
+ cipher.init(mode, sm4Key);
+ return cipher;
+ }
+
+ private static Cipher generateCBCCipher(String algorithmName, int mode, byte[] key, byte[] iv)
+ throws InvalidKeyException, InvalidAlgorithmParameterException, NoSuchAlgorithmException,
+ NoSuchProviderException, NoSuchPaddingException {
+ Cipher cipher = Cipher.getInstance(algorithmName, BouncyCastleProvider.PROVIDER_NAME);
+ Key sm4Key = new SecretKeySpec(key, ALGORITHM_NAME);
+ IvParameterSpec ivParameterSpec = new IvParameterSpec(iv);
+ cipher.init(mode, sm4Key, ivParameterSpec);
+ return cipher;
+ }
+}
diff --git a/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/BCECUtil.java b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/BCECUtil.java
new file mode 100644
index 0000000..0c234f8
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/BCECUtil.java
@@ -0,0 +1,491 @@
+package com.knowledge.base.infrastructure.util.crypto.gmhelper;
+
+import org.bouncycastle.asn1.*;
+import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
+import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
+import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
+import org.bouncycastle.asn1.x9.X962Parameters;
+import org.bouncycastle.asn1.x9.X9ECParameters;
+import org.bouncycastle.asn1.x9.X9ECPoint;
+import org.bouncycastle.asn1.x9.X9ObjectIdentifiers;
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.bouncycastle.crypto.generators.ECKeyPairGenerator;
+import org.bouncycastle.crypto.params.*;
+import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPrivateKey;
+import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey;
+import org.bouncycastle.jcajce.provider.asymmetric.util.EC5Util;
+import org.bouncycastle.jcajce.provider.asymmetric.util.ECUtil;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+import org.bouncycastle.jce.spec.ECNamedCurveSpec;
+import org.bouncycastle.jce.spec.ECParameterSpec;
+import org.bouncycastle.math.ec.ECCurve;
+import org.bouncycastle.math.ec.ECPoint;
+import org.bouncycastle.math.ec.FixedPointCombMultiplier;
+import org.bouncycastle.pqc.math.linearalgebra.ByteUtils;
+import org.bouncycastle.util.io.pem.PemObject;
+import org.bouncycastle.util.io.pem.PemReader;
+import org.bouncycastle.util.io.pem.PemWriter;
+
+import java.io.*;
+import java.math.BigInteger;
+import java.security.*;
+import java.security.spec.ECGenParameterSpec;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.security.spec.X509EncodedKeySpec;
+
+/**
+ * 这个工具类的方法,也适用于其他基于BC库的ECC算法
+ */
+public class BCECUtil {
+ private static final String ALGO_NAME_EC = "EC";
+ private static final String PEM_STRING_PUBLIC = "PUBLIC KEY";
+ private static final String PEM_STRING_ECPRIVATEKEY = "EC PRIVATE KEY";
+
+ /**
+ * 生成ECC密钥对
+ *
+ * @return ECC密钥对
+ */
+ public static AsymmetricCipherKeyPair generateKeyPairParameter(
+ ECDomainParameters domainParameters, SecureRandom random) {
+ ECKeyGenerationParameters keyGenerationParams = new ECKeyGenerationParameters(domainParameters,
+ random);
+ ECKeyPairGenerator keyGen = new ECKeyPairGenerator();
+ keyGen.init(keyGenerationParams);
+ return keyGen.generateKeyPair();
+ }
+
+ public static KeyPair generateKeyPair(ECDomainParameters domainParameters, SecureRandom random)
+ throws NoSuchProviderException, NoSuchAlgorithmException,
+ InvalidAlgorithmParameterException {
+ KeyPairGenerator kpg = KeyPairGenerator.getInstance(ALGO_NAME_EC, BouncyCastleProvider.PROVIDER_NAME);
+ ECParameterSpec parameterSpec = new ECParameterSpec(domainParameters.getCurve(), domainParameters.getG(),
+ domainParameters.getN(), domainParameters.getH());
+ kpg.initialize(parameterSpec, random);
+ return kpg.generateKeyPair();
+ }
+
+ public static int getCurveLength(ECKeyParameters ecKey) {
+ return getCurveLength(ecKey.getParameters());
+ }
+
+ public static int getCurveLength(ECDomainParameters domainParams) {
+ return (domainParams.getCurve().getFieldSize() + 7) / 8;
+ }
+
+ public static byte[] fixToCurveLengthBytes(int curveLength, byte[] src) {
+ if (src.length == curveLength) {
+ return src;
+ }
+
+ byte[] result = new byte[curveLength];
+ if (src.length > curveLength) {
+ System.arraycopy(src, src.length - result.length, result, 0, result.length);
+ } else {
+ System.arraycopy(src, 0, result, result.length - src.length, src.length);
+ }
+ return result;
+ }
+
+ /**
+ * @param dHex 十六进制字符串形式的私钥d值,如果是SM2算法,Hex字符串长度应该是64(即32字节)
+ * @param domainParameters EC Domain参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
+ * @return
+ */
+ public static ECPrivateKeyParameters createECPrivateKeyParameters(
+ String dHex, ECDomainParameters domainParameters) {
+ return createECPrivateKeyParameters(ByteUtils.fromHexString(dHex), domainParameters);
+ }
+
+ /**
+ * @param dBytes 字节数组形式的私钥d值,如果是SM2算法,应该是32字节
+ * @param domainParameters EC Domain参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
+ * @return
+ */
+ public static ECPrivateKeyParameters createECPrivateKeyParameters(
+ byte[] dBytes, ECDomainParameters domainParameters) {
+ return createECPrivateKeyParameters(new BigInteger(1, dBytes), domainParameters);
+ }
+
+ /**
+ * @param d 大数形式的私钥d值
+ * @param domainParameters EC Domain参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
+ * @return
+ */
+ public static ECPrivateKeyParameters createECPrivateKeyParameters(
+ BigInteger d, ECDomainParameters domainParameters) {
+ return new ECPrivateKeyParameters(d, domainParameters);
+ }
+
+ /**
+ * 根据EC私钥构造EC公钥
+ *
+ * @param priKey ECC私钥参数对象
+ * @return
+ */
+ public static ECPublicKeyParameters buildECPublicKeyByPrivateKey(ECPrivateKeyParameters priKey) {
+ ECDomainParameters domainParameters = priKey.getParameters();
+ ECPoint q = new FixedPointCombMultiplier().multiply(domainParameters.getG(), priKey.getD());
+ return new ECPublicKeyParameters(q, domainParameters);
+ }
+
+ /**
+ * @param x 大数形式的公钥x分量
+ * @param y 大数形式的公钥y分量
+ * @param curve EC曲线参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#CURVE}
+ * @param domainParameters EC Domain参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
+ * @return
+ */
+ public static ECPublicKeyParameters createECPublicKeyParameters(
+ BigInteger x, BigInteger y, ECCurve curve, ECDomainParameters domainParameters) {
+ return createECPublicKeyParameters(x.toByteArray(), y.toByteArray(), curve, domainParameters);
+ }
+
+ /**
+ * @param xHex 十六进制形式的公钥x分量,如果是SM2算法,Hex字符串长度应该是64(即32字节)
+ * @param yHex 十六进制形式的公钥y分量,如果是SM2算法,Hex字符串长度应该是64(即32字节)
+ * @param curve EC曲线参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#CURVE}
+ * @param domainParameters EC Domain参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
+ * @return
+ */
+ public static ECPublicKeyParameters createECPublicKeyParameters(
+ String xHex, String yHex, ECCurve curve, ECDomainParameters domainParameters) {
+ return createECPublicKeyParameters(ByteUtils.fromHexString(xHex), ByteUtils.fromHexString(yHex),
+ curve, domainParameters);
+ }
+
+ /**
+ * @param xBytes 十六进制形式的公钥x分量,如果是SM2算法,应该是32字节
+ * @param yBytes 十六进制形式的公钥y分量,如果是SM2算法,应该是32字节
+ * @param curve EC曲线参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#CURVE}
+ * @param domainParameters EC Domain参数,一般是固定的,如果是SM2算法的可参考{@link SM2Util#DOMAIN_PARAMS}
+ * @return
+ */
+ public static ECPublicKeyParameters createECPublicKeyParameters(
+ byte[] xBytes, byte[] yBytes, ECCurve curve, ECDomainParameters domainParameters) {
+ final byte uncompressedFlag = 0x04;
+ int curveLength = getCurveLength(domainParameters);
+ xBytes = fixToCurveLengthBytes(curveLength, xBytes);
+ yBytes = fixToCurveLengthBytes(curveLength, yBytes);
+ byte[] encodedPubKey = new byte[1 + xBytes.length + yBytes.length];
+ encodedPubKey[0] = uncompressedFlag;
+ System.arraycopy(xBytes, 0, encodedPubKey, 1, xBytes.length);
+ System.arraycopy(yBytes, 0, encodedPubKey, 1 + xBytes.length, yBytes.length);
+ return new ECPublicKeyParameters(curve.decodePoint(encodedPubKey), domainParameters);
+ }
+
+ public static ECPrivateKeyParameters convertPrivateKeyToParameters(BCECPrivateKey ecPriKey) {
+ ECParameterSpec parameterSpec = ecPriKey.getParameters();
+ ECDomainParameters domainParameters = new ECDomainParameters(parameterSpec.getCurve(), parameterSpec.getG(),
+ parameterSpec.getN(), parameterSpec.getH());
+ return new ECPrivateKeyParameters(ecPriKey.getD(), domainParameters);
+ }
+
+ public static ECPublicKeyParameters convertPublicKeyToParameters(BCECPublicKey ecPubKey) {
+ ECParameterSpec parameterSpec = ecPubKey.getParameters();
+ ECDomainParameters domainParameters = new ECDomainParameters(parameterSpec.getCurve(), parameterSpec.getG(),
+ parameterSpec.getN(), parameterSpec.getH());
+ return new ECPublicKeyParameters(ecPubKey.getQ(), domainParameters);
+ }
+
+ public static BCECPublicKey createPublicKeyFromSubjectPublicKeyInfo(SubjectPublicKeyInfo subPubInfo)
+ throws NoSuchProviderException,
+ NoSuchAlgorithmException, InvalidKeySpecException, IOException {
+ return BCECUtil.convertX509ToECPublicKey(subPubInfo.toASN1Primitive().getEncoded(ASN1Encoding.DER));
+ }
+
+ /**
+ * 将ECC私钥转换为PKCS8标准的字节流
+ *
+ * @param priKey
+ * @param pubKey 可以为空,但是如果为空的话得到的结果OpenSSL可能解析不了
+ * @return
+ */
+ public static byte[] convertECPrivateKeyToPKCS8(
+ ECPrivateKeyParameters priKey, ECPublicKeyParameters pubKey) {
+ ECDomainParameters domainParams = priKey.getParameters();
+ ECParameterSpec spec = new ECParameterSpec(domainParams.getCurve(), domainParams.getG(),
+ domainParams.getN(), domainParams.getH());
+ BCECPublicKey publicKey = null;
+ if (pubKey != null) {
+ publicKey = new BCECPublicKey(ALGO_NAME_EC, pubKey, spec,
+ BouncyCastleProvider.CONFIGURATION);
+ }
+ BCECPrivateKey privateKey = new BCECPrivateKey(ALGO_NAME_EC, priKey, publicKey,
+ spec, BouncyCastleProvider.CONFIGURATION);
+ return privateKey.getEncoded();
+ }
+
+ /**
+ * 将PKCS8标准的私钥字节流转换为私钥对象
+ *
+ * @param pkcs8Key
+ * @return
+ * @throws NoSuchAlgorithmException
+ * @throws NoSuchProviderException
+ * @throws InvalidKeySpecException
+ */
+ public static BCECPrivateKey convertPKCS8ToECPrivateKey(byte[] pkcs8Key)
+ throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeySpecException {
+ PKCS8EncodedKeySpec peks = new PKCS8EncodedKeySpec(pkcs8Key);
+ KeyFactory kf = KeyFactory.getInstance(ALGO_NAME_EC, BouncyCastleProvider.PROVIDER_NAME);
+ return (BCECPrivateKey) kf.generatePrivate(peks);
+ }
+
+ /**
+ * 将PKCS8标准的私钥字节流转换为PEM
+ *
+ * @param encodedKey
+ * @return
+ * @throws IOException
+ */
+ public static String convertECPrivateKeyPKCS8ToPEM(byte[] encodedKey) throws IOException {
+ return convertEncodedDataToPEM(PEM_STRING_ECPRIVATEKEY, encodedKey);
+ }
+
+ /**
+ * 将PEM格式的私钥转换为PKCS8标准字节流
+ *
+ * @param pemString
+ * @return
+ * @throws IOException
+ */
+ public static byte[] convertECPrivateKeyPEMToPKCS8(String pemString) throws IOException {
+ return convertPEMToEncodedData(pemString);
+ }
+
+ /**
+ * 将ECC私钥转换为SEC1标准的字节流
+ * openssl d2i_ECPrivateKey函数要求的DER编码的私钥也是SEC1标准的,
+ * 这个工具函数的主要目的就是为了能生成一个openssl可以直接“识别”的ECC私钥.
+ * 相对RSA私钥的PKCS1标准,ECC私钥的标准为SEC1
+ *
+ * @param priKey
+ * @param pubKey
+ * @return
+ * @throws IOException
+ */
+ public static byte[] convertECPrivateKeyToSEC1(
+ ECPrivateKeyParameters priKey, ECPublicKeyParameters pubKey) throws IOException {
+ byte[] pkcs8Bytes = convertECPrivateKeyToPKCS8(priKey, pubKey);
+ PrivateKeyInfo pki = PrivateKeyInfo.getInstance(pkcs8Bytes);
+ ASN1Encodable encodable = pki.parsePrivateKey();
+ ASN1Primitive primitive = encodable.toASN1Primitive();
+ byte[] sec1Bytes = primitive.getEncoded();
+ return sec1Bytes;
+ }
+
+ /**
+ * 将SEC1标准的私钥字节流恢复为PKCS8标准的字节流
+ *
+ * @param sec1Key
+ * @return
+ * @throws IOException
+ */
+ public static byte[] convertECPrivateKeySEC1ToPKCS8(byte[] sec1Key) throws IOException {
+ /**
+ * 参考org.bouncycastle.asn1.pkcs.PrivateKeyInfo和
+ * org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPrivateKey,逆向拼装
+ */
+ X962Parameters params = getDomainParametersFromName(SM2Util.JDK_EC_SPEC, false);
+ ASN1OctetString privKey = new DEROctetString(sec1Key);
+ ASN1EncodableVector v = new ASN1EncodableVector();
+ v.add(new ASN1Integer(0)); //版本号
+ v.add(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params)); //算法标识
+ v.add(privKey);
+ DERSequence ds = new DERSequence(v);
+ return ds.getEncoded(ASN1Encoding.DER);
+ }
+
+ /**
+ * 将SEC1标准的私钥字节流转为BCECPrivateKey对象
+ *
+ * @param sec1Key
+ * @return
+ * @throws NoSuchAlgorithmException
+ * @throws NoSuchProviderException
+ * @throws InvalidKeySpecException
+ * @throws IOException
+ */
+ public static BCECPrivateKey convertSEC1ToBCECPrivateKey(byte[] sec1Key)
+ throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeySpecException, IOException {
+ PKCS8EncodedKeySpec peks = new PKCS8EncodedKeySpec(convertECPrivateKeySEC1ToPKCS8(sec1Key));
+ KeyFactory kf = KeyFactory.getInstance(ALGO_NAME_EC, BouncyCastleProvider.PROVIDER_NAME);
+ return (BCECPrivateKey) kf.generatePrivate(peks);
+ }
+
+ /**
+ * 将SEC1标准的私钥字节流转为ECPrivateKeyParameters对象
+ * openssl i2d_ECPrivateKey函数生成的DER编码的ecc私钥是:SEC1标准的、带有EC_GROUP、带有公钥的,
+ * 这个工具函数的主要目的就是为了使Java程序能够“识别”openssl生成的ECC私钥
+ *
+ * @param sec1Key
+ * @return
+ * @throws NoSuchAlgorithmException
+ * @throws NoSuchProviderException
+ * @throws InvalidKeySpecException
+ */
+ public static ECPrivateKeyParameters convertSEC1ToECPrivateKey(byte[] sec1Key)
+ throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeySpecException, IOException {
+ BCECPrivateKey privateKey = convertSEC1ToBCECPrivateKey(sec1Key);
+ return convertPrivateKeyToParameters(privateKey);
+ }
+
+ /**
+ * 将ECC公钥对象转换为X509标准的字节流
+ *
+ * @param pubKey
+ * @return
+ */
+ public static byte[] convertECPublicKeyToX509(ECPublicKeyParameters pubKey) {
+ ECDomainParameters domainParams = pubKey.getParameters();
+ ECParameterSpec spec = new ECParameterSpec(domainParams.getCurve(), domainParams.getG(),
+ domainParams.getN(), domainParams.getH());
+ BCECPublicKey publicKey = new BCECPublicKey(ALGO_NAME_EC, pubKey, spec,
+ BouncyCastleProvider.CONFIGURATION);
+ return publicKey.getEncoded();
+ }
+
+ /**
+ * 将X509标准的公钥字节流转为公钥对象
+ *
+ * @param x509Bytes
+ * @return
+ * @throws NoSuchProviderException
+ * @throws NoSuchAlgorithmException
+ * @throws InvalidKeySpecException
+ */
+ public static BCECPublicKey convertX509ToECPublicKey(byte[] x509Bytes) throws NoSuchProviderException,
+ NoSuchAlgorithmException, InvalidKeySpecException {
+ X509EncodedKeySpec eks = new X509EncodedKeySpec(x509Bytes);
+ KeyFactory kf = KeyFactory.getInstance("EC", BouncyCastleProvider.PROVIDER_NAME);
+ return (BCECPublicKey) kf.generatePublic(eks);
+ }
+
+ /**
+ * 将X509标准的公钥字节流转为PEM
+ *
+ * @param encodedKey
+ * @return
+ * @throws IOException
+ */
+ public static String convertECPublicKeyX509ToPEM(byte[] encodedKey) throws IOException {
+ return convertEncodedDataToPEM(PEM_STRING_PUBLIC, encodedKey);
+ }
+
+ /**
+ * 将PEM格式的公钥转为X509标准的字节流
+ *
+ * @param pemString
+ * @return
+ * @throws IOException
+ */
+ public static byte[] convertECPublicKeyPEMToX509(String pemString) throws IOException {
+ return convertPEMToEncodedData(pemString);
+ }
+
+ /**
+ * copy from BC
+ *
+ * @param genSpec
+ * @return
+ */
+ public static X9ECParameters getDomainParametersFromGenSpec(ECGenParameterSpec genSpec) {
+ return getDomainParametersFromName(genSpec.getName());
+ }
+
+ /**
+ * copy from BC
+ *
+ * @param curveName
+ * @return
+ */
+ public static X9ECParameters getDomainParametersFromName(String curveName) {
+ X9ECParameters domainParameters;
+ try {
+ if (curveName.charAt(0) >= '0' && curveName.charAt(0) <= '2') {
+ ASN1ObjectIdentifier oidID = new ASN1ObjectIdentifier(curveName);
+ domainParameters = ECUtil.getNamedCurveByOid(oidID);
+ } else {
+ if (curveName.indexOf(' ') > 0) {
+ curveName = curveName.substring(curveName.indexOf(' ') + 1);
+ domainParameters = ECUtil.getNamedCurveByName(curveName);
+ } else {
+ domainParameters = ECUtil.getNamedCurveByName(curveName);
+ }
+ }
+ } catch (IllegalArgumentException ex) {
+ domainParameters = ECUtil.getNamedCurveByName(curveName);
+ }
+ return domainParameters;
+ }
+
+ /**
+ * copy from BC
+ *
+ * @param ecSpec
+ * @param withCompression
+ * @return
+ */
+ public static X962Parameters getDomainParametersFromName(
+ java.security.spec.ECParameterSpec ecSpec, boolean withCompression) {
+ X962Parameters params;
+
+ if (ecSpec instanceof ECNamedCurveSpec) {
+ ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
+ if (curveOid == null) {
+ curveOid = new ASN1ObjectIdentifier(((ECNamedCurveSpec) ecSpec).getName());
+ }
+ params = new X962Parameters(curveOid);
+ } else if (ecSpec == null) {
+ params = new X962Parameters(DERNull.INSTANCE);
+ } else {
+ ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
+
+ X9ECParameters ecP = new X9ECParameters(
+ curve,
+ new X9ECPoint(EC5Util.convertPoint(curve, ecSpec.getGenerator()), withCompression),
+ ecSpec.getOrder(),
+ BigInteger.valueOf(ecSpec.getCofactor()),
+ ecSpec.getCurve().getSeed());
+
+ //// 如果是1.62或更低版本的bcprov-jdk15on应该使用以下这段代码,因为高版本的EC5Util.convertPoint没有向下兼容
+ /*
+ X9ECParameters ecP = new X9ECParameters(
+ curve,
+ EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
+ ecSpec.getOrder(),
+ BigInteger.valueOf(ecSpec.getCofactor()),
+ ecSpec.getCurve().getSeed());
+ */
+
+ params = new X962Parameters(ecP);
+ }
+
+ return params;
+ }
+
+ private static String convertEncodedDataToPEM(String type, byte[] encodedData) throws IOException {
+ ByteArrayOutputStream bOut = new ByteArrayOutputStream();
+ PemWriter pWrt = new PemWriter(new OutputStreamWriter(bOut));
+ try {
+ PemObject pemObj = new PemObject(type, encodedData);
+ pWrt.writeObject(pemObj);
+ } finally {
+ pWrt.close();
+ }
+ return new String(bOut.toByteArray());
+ }
+
+ private static byte[] convertPEMToEncodedData(String pemString) throws IOException {
+ ByteArrayInputStream bIn = new ByteArrayInputStream(pemString.getBytes());
+ PemReader pRdr = new PemReader(new InputStreamReader(bIn));
+ try {
+ PemObject pemObject = pRdr.readPemObject();
+ return pemObject.getContent();
+ } finally {
+ pRdr.close();
+ }
+ }
+}
diff --git a/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/GMBaseUtil.java b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/GMBaseUtil.java
new file mode 100644
index 0000000..ba2f789
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/GMBaseUtil.java
@@ -0,0 +1,11 @@
+package com.knowledge.base.infrastructure.util.crypto.gmhelper;
+
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+
+import java.security.Security;
+
+public class GMBaseUtil {
+ static {
+ Security.addProvider(new BouncyCastleProvider());
+ }
+}
diff --git a/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/SM2Cipher.java b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/SM2Cipher.java
new file mode 100644
index 0000000..7b26352
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/SM2Cipher.java
@@ -0,0 +1,55 @@
+package com.knowledge.base.infrastructure.util.crypto.gmhelper;
+
+public class SM2Cipher {
+ /**
+ * ECC密钥
+ */
+ private byte[] c1;
+
+ /**
+ * 真正的密文
+ */
+ private byte[] c2;
+
+ /**
+ * 对(c1+c2)的SM3-HASH值
+ */
+ private byte[] c3;
+
+ /**
+ * SM2标准的密文,即(c1+c2+c3)
+ */
+ private byte[] cipherText;
+
+ public byte[] getC1() {
+ return c1;
+ }
+
+ public void setC1(byte[] c1) {
+ this.c1 = c1;
+ }
+
+ public byte[] getC2() {
+ return c2;
+ }
+
+ public void setC2(byte[] c2) {
+ this.c2 = c2;
+ }
+
+ public byte[] getC3() {
+ return c3;
+ }
+
+ public void setC3(byte[] c3) {
+ this.c3 = c3;
+ }
+
+ public byte[] getCipherText() {
+ return cipherText;
+ }
+
+ public void setCipherText(byte[] cipherText) {
+ this.cipherText = cipherText;
+ }
+}
diff --git a/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/SM2Util.java b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/SM2Util.java
new file mode 100644
index 0000000..1f6b5ca
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/SM2Util.java
@@ -0,0 +1,592 @@
+package com.knowledge.base.infrastructure.util.crypto.gmhelper;
+
+import org.bouncycastle.asn1.*;
+import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
+import org.bouncycastle.crypto.CipherParameters;
+import org.bouncycastle.crypto.CryptoException;
+import org.bouncycastle.crypto.InvalidCipherTextException;
+import org.bouncycastle.crypto.engines.SM2Engine;
+import org.bouncycastle.crypto.engines.SM2Engine.Mode;
+import org.bouncycastle.crypto.params.*;
+import org.bouncycastle.crypto.signers.SM2Signer;
+import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPrivateKey;
+import org.bouncycastle.jcajce.provider.asymmetric.ec.BCECPublicKey;
+import org.bouncycastle.math.ec.ECPoint;
+import org.bouncycastle.math.ec.custom.gm.SM2P256V1Curve;
+
+import java.io.IOException;
+import java.math.BigInteger;
+import java.security.*;
+import java.security.spec.ECFieldFp;
+import java.security.spec.EllipticCurve;
+
+public class SM2Util extends GMBaseUtil {
+ //////////////////////////////////////////////////////////////////////////////////////
+ /*
+ * 以下为SM2推荐曲线参数
+ */
+ public static final SM2P256V1Curve CURVE = new SM2P256V1Curve();
+ public final static BigInteger SM2_ECC_P = CURVE.getQ();
+ public final static BigInteger SM2_ECC_A = CURVE.getA().toBigInteger();
+ public final static BigInteger SM2_ECC_B = CURVE.getB().toBigInteger();
+ public final static BigInteger SM2_ECC_N = CURVE.getOrder();
+ public final static BigInteger SM2_ECC_H = CURVE.getCofactor();
+ public final static BigInteger SM2_ECC_GX = new BigInteger(
+ "32C4AE2C1F1981195F9904466A39C9948FE30BBFF2660BE1715A4589334C74C7", 16);
+ public final static BigInteger SM2_ECC_GY = new BigInteger(
+ "BC3736A2F4F6779C59BDCEE36B692153D0A9877CC62A474002DF32E52139F0A0", 16);
+ public static final ECPoint G_POINT = CURVE.createPoint(SM2_ECC_GX, SM2_ECC_GY);
+ public static final ECDomainParameters DOMAIN_PARAMS = new ECDomainParameters(CURVE, G_POINT,
+ SM2_ECC_N, SM2_ECC_H);
+ public static final int CURVE_LEN = BCECUtil.getCurveLength(DOMAIN_PARAMS);
+ //////////////////////////////////////////////////////////////////////////////////////
+
+ public static final EllipticCurve JDK_CURVE = new EllipticCurve(new ECFieldFp(SM2_ECC_P), SM2_ECC_A, SM2_ECC_B);
+ public static final java.security.spec.ECPoint JDK_G_POINT = new java.security.spec.ECPoint(
+ G_POINT.getAffineXCoord().toBigInteger(), G_POINT.getAffineYCoord().toBigInteger());
+ public static final java.security.spec.ECParameterSpec JDK_EC_SPEC = new java.security.spec.ECParameterSpec(
+ JDK_CURVE, JDK_G_POINT, SM2_ECC_N, SM2_ECC_H.intValue());
+
+ //////////////////////////////////////////////////////////////////////////////////////
+
+ public static final int SM3_DIGEST_LENGTH = 32;
+
+ /**
+ * 生成ECC密钥对
+ *
+ * @return ECC密钥对
+ */
+ public static AsymmetricCipherKeyPair generateKeyPairParameter() {
+ SecureRandom random = new SecureRandom();
+ return BCECUtil.generateKeyPairParameter(DOMAIN_PARAMS, random);
+ }
+
+ /**
+ * 生成ECC密钥对
+ *
+ * @return
+ * @throws NoSuchProviderException
+ * @throws NoSuchAlgorithmException
+ * @throws InvalidAlgorithmParameterException
+ */
+ public static KeyPair generateKeyPair() throws NoSuchProviderException, NoSuchAlgorithmException,
+ InvalidAlgorithmParameterException {
+ SecureRandom random = new SecureRandom();
+ return BCECUtil.generateKeyPair(DOMAIN_PARAMS, random);
+ }
+
+ /**
+ * 只获取私钥里的d值,32字节
+ *
+ * @param privateKey
+ * @return
+ */
+ public static byte[] getRawPrivateKey(BCECPrivateKey privateKey) {
+ return fixToCurveLengthBytes(privateKey.getD().toByteArray());
+ }
+
+ /**
+ * 只获取公钥里的XY分量,64字节
+ *
+ * @param publicKey
+ * @return 64字节数组
+ */
+ public static byte[] getRawPublicKey(BCECPublicKey publicKey) {
+ byte[] src65 = publicKey.getQ().getEncoded(false);
+ byte[] rawXY = new byte[CURVE_LEN * 2];//SM2的话这里应该是64字节
+ System.arraycopy(src65, 1, rawXY, 0, rawXY.length);
+ return rawXY;
+ }
+
+ /**
+ * @param pubKey 公钥
+ * @param srcData 原文
+ * @return 默认输出C1C3C2顺序的密文。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @throws InvalidCipherTextException
+ */
+ public static byte[] encrypt(BCECPublicKey pubKey, byte[] srcData) throws InvalidCipherTextException {
+ ECPublicKeyParameters pubKeyParameters = BCECUtil.convertPublicKeyToParameters(pubKey);
+ return encrypt(Mode.C1C3C2, pubKeyParameters, srcData);
+ }
+
+ /**
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param pubKey 公钥
+ * @param srcData 原文
+ * @return 根据mode不同,输出的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @throws InvalidCipherTextException
+ */
+ public static byte[] encrypt(Mode mode, BCECPublicKey pubKey, byte[] srcData) throws InvalidCipherTextException {
+ ECPublicKeyParameters pubKeyParameters = BCECUtil.convertPublicKeyToParameters(pubKey);
+ return encrypt(mode, pubKeyParameters, srcData);
+ }
+
+ /**
+ * @param pubKeyParameters 公钥
+ * @param srcData 原文
+ * @return 默认输出C1C3C2顺序的密文。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @throws InvalidCipherTextException
+ */
+ public static byte[] encrypt(ECPublicKeyParameters pubKeyParameters, byte[] srcData)
+ throws InvalidCipherTextException {
+ return encrypt(Mode.C1C3C2, pubKeyParameters, srcData);
+ }
+
+ /**
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param pubKeyParameters 公钥
+ * @param srcData 原文
+ * @return 根据mode不同,输出的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @throws InvalidCipherTextException
+ */
+ public static byte[] encrypt(Mode mode, ECPublicKeyParameters pubKeyParameters, byte[] srcData)
+ throws InvalidCipherTextException {
+ SM2Engine engine = new SM2Engine(mode);
+ ParametersWithRandom pwr = new ParametersWithRandom(pubKeyParameters, new SecureRandom());
+ engine.init(true, pwr);
+ return engine.processBlock(srcData, 0, srcData.length);
+ }
+
+ /**
+ * @param priKey 私钥
+ * @param sm2Cipher 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return 原文。SM2解密返回了数据则一定是原文,因为SM2自带校验,如果密文被篡改或者密钥对不上,都是会直接报异常的。
+ * @throws InvalidCipherTextException
+ */
+ public static byte[] decrypt(BCECPrivateKey priKey, byte[] sm2Cipher) throws InvalidCipherTextException {
+ ECPrivateKeyParameters priKeyParameters = BCECUtil.convertPrivateKeyToParameters(priKey);
+ return decrypt(Mode.C1C3C2, priKeyParameters, sm2Cipher);
+ }
+
+ /**
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param priKey 私钥
+ * @param sm2Cipher 根据mode不同,需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return 原文。SM2解密返回了数据则一定是原文,因为SM2自带校验,如果密文被篡改或者密钥对不上,都是会直接报异常的。
+ * @throws InvalidCipherTextException
+ */
+ public static byte[] decrypt(Mode mode, BCECPrivateKey priKey, byte[] sm2Cipher) throws InvalidCipherTextException {
+ ECPrivateKeyParameters priKeyParameters = BCECUtil.convertPrivateKeyToParameters(priKey);
+ return decrypt(mode, priKeyParameters, sm2Cipher);
+ }
+
+ /**
+ * @param priKeyParameters 私钥
+ * @param sm2Cipher 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return 原文。SM2解密返回了数据则一定是原文,因为SM2自带校验,如果密文被篡改或者密钥对不上,都是会直接报异常的。
+ * @throws InvalidCipherTextException
+ */
+ public static byte[] decrypt(ECPrivateKeyParameters priKeyParameters, byte[] sm2Cipher)
+ throws InvalidCipherTextException {
+ return decrypt(Mode.C1C3C2, priKeyParameters, sm2Cipher);
+ }
+
+ /**
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param priKeyParameters 私钥
+ * @param sm2Cipher 根据mode不同,需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return 原文。SM2解密返回了数据则一定是原文,因为SM2自带校验,如果密文被篡改或者密钥对不上,都是会直接报异常的。
+ * @throws InvalidCipherTextException
+ */
+ public static byte[] decrypt(Mode mode, ECPrivateKeyParameters priKeyParameters, byte[] sm2Cipher)
+ throws InvalidCipherTextException {
+ SM2Engine engine = new SM2Engine(mode);
+ engine.init(false, priKeyParameters);
+ return engine.processBlock(sm2Cipher, 0, sm2Cipher.length);
+ }
+
+ /**
+ * 分解SM2密文
+ *
+ * @param cipherText 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return
+ * @throws Exception
+ */
+ public static SM2Cipher parseSM2Cipher(byte[] cipherText) throws Exception {
+ int curveLength = BCECUtil.getCurveLength(DOMAIN_PARAMS);
+ return parseSM2Cipher(Mode.C1C3C2, curveLength, SM3_DIGEST_LENGTH, cipherText);
+ }
+
+ /**
+ * 分解SM2密文
+ *
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param cipherText 根据mode不同,需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return
+ */
+ public static SM2Cipher parseSM2Cipher(Mode mode, byte[] cipherText) throws Exception {
+ int curveLength = BCECUtil.getCurveLength(DOMAIN_PARAMS);
+ return parseSM2Cipher(mode, curveLength, SM3_DIGEST_LENGTH, cipherText);
+ }
+
+ /**
+ * @param curveLength 曲线长度,SM2的话就是256位。
+ * @param digestLength 摘要长度,如果是SM2的话因为默认使用SM3摘要,SM3摘要长度为32字节。
+ * @param cipherText 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return
+ * @throws Exception
+ */
+ public static SM2Cipher parseSM2Cipher(
+ int curveLength, int digestLength, byte[] cipherText) throws Exception {
+ return parseSM2Cipher(Mode.C1C3C2, curveLength, digestLength, cipherText);
+ }
+
+ /**
+ * 分解SM2密文
+ *
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param curveLength 曲线长度,SM2的话就是256位。
+ * @param digestLength 摘要长度,如果是SM2的话因为默认使用SM3摘要,SM3摘要长度为32字节。
+ * @param cipherText 根据mode不同,需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return
+ */
+ public static SM2Cipher parseSM2Cipher(Mode mode, int curveLength, int digestLength,
+ byte[] cipherText) throws Exception {
+ byte[] c1 = new byte[curveLength * 2 + 1];
+ byte[] c2 = new byte[cipherText.length - c1.length - digestLength];
+ byte[] c3 = new byte[digestLength];
+
+ System.arraycopy(cipherText, 0, c1, 0, c1.length);
+ if (mode == Mode.C1C2C3) {
+ System.arraycopy(cipherText, c1.length, c2, 0, c2.length);
+ System.arraycopy(cipherText, c1.length + c2.length, c3, 0, c3.length);
+ } else if (mode == Mode.C1C3C2) {
+ System.arraycopy(cipherText, c1.length, c3, 0, c3.length);
+ System.arraycopy(cipherText, c1.length + c3.length, c2, 0, c2.length);
+ } else {
+ throw new Exception("Unsupported mode:" + mode);
+ }
+
+ SM2Cipher result = new SM2Cipher();
+ result.setC1(c1);
+ result.setC2(c2);
+ result.setC3(c3);
+ result.setCipherText(cipherText);
+ return result;
+ }
+
+ /**
+ * DER编码密文
+ *
+ * @param cipher 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return DER编码后的密文
+ * @throws IOException
+ */
+ public static byte[] encodeSM2CipherToDER(byte[] cipher) throws Exception {
+ int curveLength = BCECUtil.getCurveLength(DOMAIN_PARAMS);
+ return encodeSM2CipherToDER(Mode.C1C3C2, curveLength, SM3_DIGEST_LENGTH, cipher);
+ }
+
+ /**
+ * DER编码密文
+ *
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param cipher 根据mode不同,需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return 按指定mode DER编码后的密文
+ * @throws Exception
+ */
+ public static byte[] encodeSM2CipherToDER(Mode mode, byte[] cipher) throws Exception {
+ int curveLength = BCECUtil.getCurveLength(DOMAIN_PARAMS);
+ return encodeSM2CipherToDER(mode, curveLength, SM3_DIGEST_LENGTH, cipher);
+ }
+
+ /**
+ * DER编码密文
+ *
+ * @param curveLength 曲线长度,SM2的话就是256位。
+ * @param digestLength 摘要长度,如果是SM2的话因为默认使用SM3摘要,SM3摘要长度为32字节。
+ * @param cipher 默认输入C1C3C2顺序的密文。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return 默认输出按C1C3C2编码的结果
+ * @throws IOException
+ */
+ public static byte[] encodeSM2CipherToDER(int curveLength, int digestLength, byte[] cipher)
+ throws Exception {
+ return encodeSM2CipherToDER(Mode.C1C3C2, curveLength, digestLength, cipher);
+ }
+
+ /**
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param curveLength 曲线长度,SM2的话就是256位。
+ * @param digestLength 摘要长度,如果是SM2的话因为默认使用SM3摘要,SM3摘要长度为32字节。
+ * @param cipher 根据mode不同,需要输入的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @return 按指定mode DER编码后的密文
+ * @throws Exception
+ */
+ public static byte[] encodeSM2CipherToDER(Mode mode, int curveLength, int digestLength, byte[] cipher)
+ throws Exception {
+
+ byte[] c1x = new byte[curveLength];
+ byte[] c1y = new byte[curveLength];
+ byte[] c2 = new byte[cipher.length - c1x.length - c1y.length - 1 - digestLength];
+ byte[] c3 = new byte[digestLength];
+
+ int startPos = 1;
+ System.arraycopy(cipher, startPos, c1x, 0, c1x.length);
+ startPos += c1x.length;
+ System.arraycopy(cipher, startPos, c1y, 0, c1y.length);
+ startPos += c1y.length;
+ if (mode == Mode.C1C2C3) {
+ System.arraycopy(cipher, startPos, c2, 0, c2.length);
+ startPos += c2.length;
+ System.arraycopy(cipher, startPos, c3, 0, c3.length);
+ } else if (mode == Mode.C1C3C2) {
+ System.arraycopy(cipher, startPos, c3, 0, c3.length);
+ startPos += c3.length;
+ System.arraycopy(cipher, startPos, c2, 0, c2.length);
+ } else {
+ throw new Exception("Unsupported mode:" + mode);
+ }
+
+ ASN1Encodable[] arr = new ASN1Encodable[4];
+ // c1x,c1y的第一个bit可能为1,这个时候要确保他们表示的大数一定是正数,所以new BigInteger符号强制设为正。
+ arr[0] = new ASN1Integer(new BigInteger(1, c1x));
+ arr[1] = new ASN1Integer(new BigInteger(1, c1y));
+ if (mode == Mode.C1C2C3) {
+ arr[2] = new DEROctetString(c2);
+ arr[3] = new DEROctetString(c3);
+ } else if (mode == Mode.C1C3C2) {
+ arr[2] = new DEROctetString(c3);
+ arr[3] = new DEROctetString(c2);
+ }
+ DERSequence ds = new DERSequence(arr);
+ return ds.getEncoded(ASN1Encoding.DER);
+ }
+
+ /**
+ * 解码DER密文
+ *
+ * @param derCipher 默认输入按C1C3C2顺序DER编码的密文
+ * @return 输出按C1C3C2排列的字节数组,C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ */
+ public static byte[] decodeDERSM2Cipher(byte[] derCipher) throws Exception {
+ return decodeDERSM2Cipher(Mode.C1C3C2, derCipher);
+ }
+
+ /**
+ * @param mode 指定密文结构,旧标准的为C1C2C3,新的[《SM2密码算法使用规范》 GM/T 0009-2012]标准为C1C3C2
+ * @param derCipher 根据mode输入C1C2C3或C1C3C2顺序DER编码后的密文
+ * @return 根据mode不同,输出的密文C1C2C3排列顺序不同。C1为65字节第1字节为压缩标识,这里固定为0x04,后面64字节为xy分量各32字节。C3为32字节。C2长度与原文一致。
+ * @throws Exception
+ */
+ public static byte[] decodeDERSM2Cipher(Mode mode, byte[] derCipher) throws Exception {
+ ASN1Sequence as = DERSequence.getInstance(derCipher);
+ byte[] c1x = ((ASN1Integer) as.getObjectAt(0)).getValue().toByteArray();
+ byte[] c1y = ((ASN1Integer) as.getObjectAt(1)).getValue().toByteArray();
+ // c1x,c1y可能因为大正数的补0规则在第一个有效字节前面插了一个(byte)0,变成33个字节,在这里要修正回32个字节去
+ c1x = fixToCurveLengthBytes(c1x);
+ c1y = fixToCurveLengthBytes(c1y);
+ byte[] c3;
+ byte[] c2;
+ if (mode == Mode.C1C2C3) {
+ c2 = ((DEROctetString) as.getObjectAt(2)).getOctets();
+ c3 = ((DEROctetString) as.getObjectAt(3)).getOctets();
+ } else if (mode == Mode.C1C3C2) {
+ c3 = ((DEROctetString) as.getObjectAt(2)).getOctets();
+ c2 = ((DEROctetString) as.getObjectAt(3)).getOctets();
+ } else {
+ throw new Exception("Unsupported mode:" + mode);
+ }
+
+ int pos = 0;
+ byte[] cipherText = new byte[1 + c1x.length + c1y.length + c2.length + c3.length];
+ final byte uncompressedFlag = 0x04;
+ cipherText[0] = uncompressedFlag;
+ pos += 1;
+ System.arraycopy(c1x, 0, cipherText, pos, c1x.length);
+ pos += c1x.length;
+ System.arraycopy(c1y, 0, cipherText, pos, c1y.length);
+ pos += c1y.length;
+ if (mode == Mode.C1C2C3) {
+ System.arraycopy(c2, 0, cipherText, pos, c2.length);
+ pos += c2.length;
+ System.arraycopy(c3, 0, cipherText, pos, c3.length);
+ } else if (mode == Mode.C1C3C2) {
+ System.arraycopy(c3, 0, cipherText, pos, c3.length);
+ pos += c3.length;
+ System.arraycopy(c2, 0, cipherText, pos, c2.length);
+ }
+ return cipherText;
+ }
+
+ /**
+ * 签名
+ *
+ * @param priKey 私钥
+ * @param srcData 原文
+ * @return DER编码后的签名值
+ * @throws CryptoException
+ */
+ public static byte[] sign(BCECPrivateKey priKey, byte[] srcData) throws CryptoException {
+ ECPrivateKeyParameters priKeyParameters = BCECUtil.convertPrivateKeyToParameters(priKey);
+ return sign(priKeyParameters, null, srcData);
+ }
+
+ /**
+ * 签名
+ * 不指定withId,则默认withId为字节数组:"1234567812345678".getBytes()
+ *
+ * @param priKeyParameters 私钥
+ * @param srcData 原文
+ * @return DER编码后的签名值
+ * @throws CryptoException
+ */
+ public static byte[] sign(ECPrivateKeyParameters priKeyParameters, byte[] srcData) throws CryptoException {
+ return sign(priKeyParameters, null, srcData);
+ }
+
+ /**
+ * 私钥签名
+ *
+ * @param priKey 私钥
+ * @param withId 可以为null,若为null,则默认withId为字节数组:"1234567812345678".getBytes()
+ * @param srcData 原文
+ * @return DER编码后的签名值
+ * @throws CryptoException
+ */
+ public static byte[] sign(BCECPrivateKey priKey, byte[] withId, byte[] srcData) throws CryptoException {
+ ECPrivateKeyParameters priKeyParameters = BCECUtil.convertPrivateKeyToParameters(priKey);
+ return sign(priKeyParameters, withId, srcData);
+ }
+
+ /**
+ * 签名
+ *
+ * @param priKeyParameters 私钥
+ * @param withId 可以为null,若为null,则默认withId为字节数组:"1234567812345678".getBytes()
+ * @param srcData 源数据
+ * @return DER编码后的签名值
+ * @throws CryptoException
+ */
+ public static byte[] sign(ECPrivateKeyParameters priKeyParameters, byte[] withId, byte[] srcData)
+ throws CryptoException {
+ SM2Signer signer = new SM2Signer();
+ CipherParameters param = null;
+ ParametersWithRandom pwr = new ParametersWithRandom(priKeyParameters, new SecureRandom());
+ if (withId != null) {
+ param = new ParametersWithID(pwr, withId);
+ } else {
+ param = pwr;
+ }
+ signer.init(true, param);
+ signer.update(srcData, 0, srcData.length);
+ return signer.generateSignature();
+ }
+
+ /**
+ * 将DER编码的SM2签名解码成64字节的纯R+S字节流
+ *
+ * @param derSign
+ * @return 64字节数组,前32字节为R,后32字节为S
+ */
+ public static byte[] decodeDERSM2Sign(byte[] derSign) {
+ ASN1Sequence as = DERSequence.getInstance(derSign);
+ byte[] rBytes = ((ASN1Integer) as.getObjectAt(0)).getValue().toByteArray();
+ byte[] sBytes = ((ASN1Integer) as.getObjectAt(1)).getValue().toByteArray();
+ //由于大数的补0规则,所以可能会出现33个字节的情况,要修正回32个字节
+ rBytes = fixToCurveLengthBytes(rBytes);
+ sBytes = fixToCurveLengthBytes(sBytes);
+ byte[] rawSign = new byte[rBytes.length + sBytes.length];
+ System.arraycopy(rBytes, 0, rawSign, 0, rBytes.length);
+ System.arraycopy(sBytes, 0, rawSign, rBytes.length, sBytes.length);
+ return rawSign;
+ }
+
+ /**
+ * 把64字节的纯R+S字节数组编码成DER编码
+ *
+ * @param rawSign 64字节数组形式的SM2签名值,前32字节为R,后32字节为S
+ * @return DER编码后的SM2签名值
+ * @throws IOException
+ */
+ public static byte[] encodeSM2SignToDER(byte[] rawSign) throws IOException {
+ //要保证大数是正数
+ BigInteger r = new BigInteger(1, extractBytes(rawSign, 0, 32));
+ BigInteger s = new BigInteger(1, extractBytes(rawSign, 32, 32));
+ ASN1EncodableVector v = new ASN1EncodableVector();
+ v.add(new ASN1Integer(r));
+ v.add(new ASN1Integer(s));
+ return new DERSequence(v).getEncoded(ASN1Encoding.DER);
+ }
+
+ /**
+ * 验签
+ *
+ * @param pubKey 公钥
+ * @param srcData 原文
+ * @param sign DER编码的签名值
+ * @return
+ */
+ public static boolean verify(BCECPublicKey pubKey, byte[] srcData, byte[] sign) {
+ ECPublicKeyParameters pubKeyParameters = BCECUtil.convertPublicKeyToParameters(pubKey);
+ return verify(pubKeyParameters, null, srcData, sign);
+ }
+
+ /**
+ * 验签
+ * 不指定withId,则默认withId为字节数组:"1234567812345678".getBytes()
+ *
+ * @param pubKeyParameters 公钥
+ * @param srcData 原文
+ * @param sign DER编码的签名值
+ * @return 验签成功返回true,失败返回false
+ */
+ public static boolean verify(ECPublicKeyParameters pubKeyParameters, byte[] srcData, byte[] sign) {
+ return verify(pubKeyParameters, null, srcData, sign);
+ }
+
+ /**
+ * 验签
+ *
+ * @param pubKey 公钥
+ * @param withId 可以为null,若为null,则默认withId为字节数组:"1234567812345678".getBytes()
+ * @param srcData 原文
+ * @param sign DER编码的签名值
+ * @return
+ */
+ public static boolean verify(BCECPublicKey pubKey, byte[] withId, byte[] srcData, byte[] sign) {
+ ECPublicKeyParameters pubKeyParameters = BCECUtil.convertPublicKeyToParameters(pubKey);
+ return verify(pubKeyParameters, withId, srcData, sign);
+ }
+
+ /**
+ * 验签
+ *
+ * @param pubKeyParameters 公钥
+ * @param withId 可以为null,若为null,则默认withId为字节数组:"1234567812345678".getBytes()
+ * @param srcData 原文
+ * @param sign DER编码的签名值
+ * @return 验签成功返回true,失败返回false
+ */
+ public static boolean verify(ECPublicKeyParameters pubKeyParameters, byte[] withId, byte[] srcData, byte[] sign) {
+ SM2Signer signer = new SM2Signer();
+ CipherParameters param;
+ if (withId != null) {
+ param = new ParametersWithID(pubKeyParameters, withId);
+ } else {
+ param = pubKeyParameters;
+ }
+ signer.init(false, param);
+ signer.update(srcData, 0, srcData.length);
+ return signer.verifySignature(sign);
+ }
+
+ private static byte[] extractBytes(byte[] src, int offset, int length) {
+ byte[] result = new byte[length];
+ System.arraycopy(src, offset, result, 0, result.length);
+ return result;
+ }
+
+ private static byte[] fixToCurveLengthBytes(byte[] src) {
+ if (src.length == CURVE_LEN) {
+ return src;
+ }
+
+ byte[] result = new byte[CURVE_LEN];
+ if (src.length > CURVE_LEN) {
+ System.arraycopy(src, src.length - result.length, result, 0, result.length);
+ } else {
+ System.arraycopy(src, 0, result, result.length - src.length, src.length);
+ }
+ return result;
+ }
+}
diff --git a/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/Sm2SignatureHelper.java b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/Sm2SignatureHelper.java
new file mode 100644
index 0000000..cbac104
--- /dev/null
+++ b/src/main/java/com/knowledge/base/infrastructure/util/crypto/gmhelper/Sm2SignatureHelper.java
@@ -0,0 +1,98 @@
+package com.knowledge.base.infrastructure.util.crypto.gmhelper;
+
+import org.bouncycastle.asn1.*;
+import org.bouncycastle.crypto.CipherParameters;
+import org.bouncycastle.crypto.params.ParametersWithID;
+import org.bouncycastle.crypto.signers.SM2Signer;
+import org.bouncycastle.crypto.util.PrivateKeyFactory;
+import org.bouncycastle.crypto.util.PublicKeyFactory;
+
+import java.math.BigInteger;
+import java.nio.charset.StandardCharsets;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.util.Arrays;
+
+/**
+ *
+ *
+ *
+ *
+ * @author Luke.ye
+ * @date 2025/5/24 00:27
+ */
+public class Sm2SignatureHelper {
+
+ private static final String PROVIDER = "BC";
+
+ /**
+ * 标准 ASN.1 格式签名
+ */
+ public static byte[] signAsASN1(PrivateKey privKey, byte[] content, String userId) throws Exception {
+ SM2Signer signer = new SM2Signer();
+ CipherParameters param = new ParametersWithID(PrivateKeyFactory.createKey(privKey.getEncoded()),
+ userId.getBytes(StandardCharsets.UTF_8));
+ signer.init(true, param);
+ signer.update(content, 0, content.length);
+ return signer.generateSignature(); // DER 编码的 R + S
+ }
+
+ public static boolean verifyAsASN1(PublicKey pubKey, byte[] content, byte[] signature, String userId) throws Exception {
+ SM2Signer signer = new SM2Signer();
+ CipherParameters param = new ParametersWithID(PublicKeyFactory.createKey(pubKey.getEncoded()),
+ userId.getBytes(StandardCharsets.UTF_8));
+ signer.init(false, param);
+ signer.update(content, 0, content.length);
+ return signer.verifySignature(signature);
+ }
+
+ /**
+ * R||S 拼接格式签名(64 字节,CFCA 等机构常用)
+ */
+ public static byte[] signAsRS(PrivateKey privKey, byte[] content, String userId) throws Exception {
+ byte[] der = signAsASN1(privKey, content, userId);
+ ASN1Sequence seq = (ASN1Sequence) ASN1Primitive.fromByteArray(der);
+ BigInteger r = ((ASN1Integer) seq.getObjectAt(0)).getValue();
+ BigInteger s = ((ASN1Integer) seq.getObjectAt(1)).getValue();
+ return ByteUtils.join(32, r.toByteArray(), s.toByteArray()); // 拼接为 R || S
+ }
+
+ public static boolean verifyAsRS(PublicKey pubKey, byte[] content, byte[] rsSig, String userId) throws Exception {
+ if (rsSig.length != 64) {
+ throw new IllegalArgumentException("RS签名应为64字节,实际:" + rsSig.length);
+ }
+ byte[] rBytes = Arrays.copyOfRange(rsSig, 0, 32);
+ byte[] sBytes = Arrays.copyOfRange(rsSig, 32, 64);
+ BigInteger r = new BigInteger(1, rBytes);
+ BigInteger s = new BigInteger(1, sBytes);
+ ASN1EncodableVector v = new ASN1EncodableVector();
+ v.add(new ASN1Integer(r));
+ v.add(new ASN1Integer(s));
+ byte[] der = new DERSequence(v).getEncoded();
+ return verifyAsASN1(pubKey, content, der, userId);
+ }
+
+ /**
+ * 将 BigInteger 按 32 字节对齐拼接
+ */
+ static class ByteUtils {
+ public static byte[] join(int length, byte[] r, byte[] s) {
+ byte[] result = new byte[length * 2];
+ System.arraycopy(alignToLength(r, length), 0, result, 0, length);
+ System.arraycopy(alignToLength(s, length), 0, result, length, length);
+ return result;
+ }
+
+ private static byte[] alignToLength(byte[] input, int length) {
+ if (input.length == length) return input;
+ byte[] padded = new byte[length];
+ if (input.length > length) {
+ System.arraycopy(input, input.length - length, padded, 0, length); // 截断右边
+ } else {
+ System.arraycopy(input, 0, padded, length - input.length, input.length); // 左补0
+ }
+ return padded;
+ }
+ }
+}
+
diff --git a/src/test/java/com/knowledge/base/domain/user/service/UserServiceTest.java b/src/test/java/com/knowledge/base/domain/user/service/UserServiceTest.java
new file mode 100644
index 0000000..dc83af0
--- /dev/null
+++ b/src/test/java/com/knowledge/base/domain/user/service/UserServiceTest.java
@@ -0,0 +1,30 @@
+package com.knowledge.base.domain.user.service;
+
+import com.google.common.collect.Lists;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import java.util.List;
+
+@SpringBootTest(properties = {
+ "spring.profiles.active=dev-windows"
+})
+@Slf4j
+public class UserServiceTest {
+
+ private static final List USER_NAMES = Lists.newArrayList(
+ "Luke.Ye", "WangRui", "HuangHuang", "LiFang", "QiHui");
+
+ @Autowired
+ private UserService userService;
+
+ @Test
+ public void testBatchRegisterUsers() {
+ USER_NAMES.forEach(username -> {
+ boolean success = userService.registerUser(username, username);
+ log.info("注册用户 [{}] -> {}", username, success ? "成功" : "已存在");
+ });
+ }
+}
diff --git a/src/test/resources/application-dev-mac.properties b/src/test/resources/application-dev-mac.properties
new file mode 100644
index 0000000..cec4bfe
--- /dev/null
+++ b/src/test/resources/application-dev-mac.properties
@@ -0,0 +1,39 @@
+# 日志
+logging.config=classpath:log/log4j.xml
+
+# nacos相关
+## nacos公用
+spring.cloud.nacos.config.data-id-without-suffix=nacos
+spring.cloud.nacos.config.file-extension=properties
+spring.config.import=nacos:${spring.cloud.nacos.config.data-id-without-suffix}.${spring.cloud.nacos.config.file-extension}?refresh=true
+## Nacos配置中心
+spring.cloud.nacos.config.username=nacos
+spring.cloud.nacos.config.password=lukeye
+spring.cloud.nacos.config.contextPath=/nacos
+spring.cloud.nacos.config.server-addr=http://101.132.255.39:8848
+spring.cloud.nacos.config.namespace=lukeye
+spring.cloud.nacos.config.refreshEnabled=true
+
+# Arthas配置
+arthas.telnetPort=-1
+arthas.httpPort=-1
+arthas.ip=127.0.0.1
+arthas.appName=${spring.application.name}
+arthas.tunnel-server=ws://101.132.255.39:7777/ws
+
+# 导入的材料路径
+exclude.file.path.prefix=/Users/admin/Desktop/ahnx-share-src-public/public
+markdown.path=/Users/admin/Desktop/ahnx-share-src-public/public
+pdf.path=/Users/admin/Desktop/ahnx-share-src-public/public
+word.path=/Users/admin/Desktop/ahnx-share-src-public/public
+excel.path=/Users/admin/Desktop/ahnx-share-src-public/public
+
+# mysql
+spring.datasource.url=jdbc:mysql://localhost:3306/kbase?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
+spring.datasource.username=root
+spring.datasource.password=lukeye@6
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+# mybatis-plus
+mybatis-plus.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
+mybatis-plus.global-config.db-config.logic-delete-field=deleted
+mybatis-plus.global-config.db-config.id-type=auto
diff --git a/src/test/resources/application-dev-windows.properties b/src/test/resources/application-dev-windows.properties
new file mode 100644
index 0000000..d095c50
--- /dev/null
+++ b/src/test/resources/application-dev-windows.properties
@@ -0,0 +1,39 @@
+# 日志
+logging.config=classpath:log/log4j.xml
+
+# nacos相关
+## nacos公用
+spring.cloud.nacos.config.data-id-without-suffix=nacos
+spring.cloud.nacos.config.file-extension=properties
+spring.config.import=nacos:${spring.cloud.nacos.config.data-id-without-suffix}.${spring.cloud.nacos.config.file-extension}?refresh=true
+## Nacos配置中心
+spring.cloud.nacos.config.username=nacos
+spring.cloud.nacos.config.password=lukeye
+spring.cloud.nacos.config.contextPath=/nacos
+spring.cloud.nacos.config.server-addr=http://127.0.0.1:8848
+spring.cloud.nacos.config.namespace=lukeye
+spring.cloud.nacos.config.refreshEnabled=true
+
+# Arthas配置
+arthas.telnetPort=-1
+arthas.httpPort=-1
+arthas.ip=127.0.0.1
+arthas.appName=${spring.application.name}
+arthas.tunnel-server=ws://127.0.0.1:7777/ws
+
+# 导入的材料路径
+exclude.file.path.prefix=D:/02-documents/01-ahnx-share-src-public/public
+markdown.path=D:/02-documents/01-ahnx-share-src-public/public
+pdf.path=D:/02-documents/01-ahnx-share-src-public/public
+word.path=D:/02-documents/01-ahnx-share-src-public/public
+excel.path=D:/02-documents/01-ahnx-share-src-public/public
+
+# mysql
+spring.datasource.url=jdbc:mysql://localhost:3306/kbase?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
+spring.datasource.username=root
+spring.datasource.password=lukeye
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+# mybatis-plus
+mybatis-plus.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
+mybatis-plus.global-config.db-config.logic-delete-field=deleted
+mybatis-plus.global-config.db-config.id-type=auto
\ No newline at end of file
diff --git a/src/test/resources/application.properties b/src/test/resources/application.properties
new file mode 100644
index 0000000..8caa3b9
--- /dev/null
+++ b/src/test/resources/application.properties
@@ -0,0 +1,26 @@
+
+spring.application.name=doc-parser-server
+application.author=Luke.Ye
+server.port=18080
+
+# 日志相关
+logging.config=classpath:log/log4j.xml
+log4j2.enable.threadlocals=true
+logging.level.com.doc.parser=info
+logging.level.root=${logging.level.com.doc.parser}
+logging.org.springframework.web=${logging.level.com.doc.parser}
+logging.org.springframework.context=${logging.level.com.doc.parser}
+
+# ES相关
+elasticsearch.host=es.wisdompulse.cn
+elasticsearch.port=80
+elasticsearch.scheme=http
+search.default-page-size=100
+
+# 是否打开定时导入,且指定导入的频率
+import.schedule.enabled=true
+# 每小时执行一次(可改)
+import.schedule.cron=0 0 * * * *
+
+
+