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add method

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Looly
2021-02-25 23:53:51 +08:00
parent 8c0ad9c69c
commit 4c772ead35
5 changed files with 54 additions and 11 deletions
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22
hutool-crypto/src/main/java/cn/hutool/crypto/ECKeyUtil.java
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@@ -1,5 +1,11 @@
package cn.hutool.crypto;
import cn.hutool.core.io.IORuntimeException;
import org.bouncycastle.asn1.ASN1Encoding;
import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
import org.bouncycastle.asn1.sec.ECPrivateKey;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x9.X9ObjectIdentifiers;
import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
import org.bouncycastle.crypto.params.ECDomainParameters;
import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
@@ -8,6 +14,7 @@ import org.bouncycastle.jcajce.provider.asymmetric.util.ECUtil;
import org.bouncycastle.math.ec.ECCurve;
import org.bouncycastle.util.BigIntegers;
import java.io.IOException;
import java.math.BigInteger;
import java.security.InvalidKeyException;
import java.security.Key;
@@ -262,4 +269,19 @@ public class ECKeyUtil {
throw new CryptoException(e);
}
}
/**
* 将SM2算法的{@link ECPrivateKey} 转换为 {@link PrivateKey}
* @param privateKey {@link ECPrivateKey}
* @return {@link PrivateKey}
*/
public static PrivateKey toSm2PrivateKey(ECPrivateKey privateKey){
try {
final PrivateKeyInfo info = new PrivateKeyInfo(
new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, SmUtil.ID_SM2_PUBLIC_KEY_PARAM), privateKey);
return KeyUtil.generatePrivateKey("SM2", info.getEncoded(ASN1Encoding.DER));
} catch (IOException e) {
throw new IORuntimeException(e);
}
}
}

12
hutool-crypto/src/main/java/cn/hutool/crypto/PemUtil.java
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@@ -3,6 +3,7 @@ package cn.hutool.crypto;
import cn.hutool.core.io.IORuntimeException;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.StrUtil;
import org.bouncycastle.asn1.sec.ECPrivateKey;
import org.bouncycastle.util.io.pem.PemObject;
import org.bouncycastle.util.io.pem.PemObjectGenerator;
import org.bouncycastle.util.io.pem.PemReader;
@@ -159,4 +160,15 @@ public class PemUtil {
IoUtil.close(writer);
}
}
/**
* 读取OpenSSL生成的ANS1格式的Pem私钥文件
*
* @param keyStream 私钥pem流
* @return {@link PrivateKey}
*/
public static PrivateKey readSm2PemPrivateKey(InputStream keyStream){
final ECPrivateKey ecPrivateKey = ECPrivateKey.getInstance(readPem(keyStream));
return ECKeyUtil.toSm2PrivateKey(ecPrivateKey);
}
}

14
hutool-crypto/src/main/java/cn/hutool/crypto/SmUtil.java
View File

@@ -10,6 +10,7 @@ import cn.hutool.crypto.digest.mac.BCHMacEngine;
import cn.hutool.crypto.digest.mac.MacEngine;
import cn.hutool.crypto.symmetric.SM4;
import cn.hutool.crypto.symmetric.SymmetricCrypto;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.gm.GMNamedCurves;
import org.bouncycastle.crypto.digests.SM3Digest;
import org.bouncycastle.crypto.params.ECDomainParameters;
@@ -31,6 +32,7 @@ import java.math.BigInteger;
*/
public class SmUtil {
private final static int RS_LEN = 32;
/**
* SM2默认曲线
*/
@@ -38,13 +40,11 @@ public class SmUtil {
/**
* SM2推荐曲线参数（来自https://github.com/ZZMarquis/gmhelper）
*/
public static final ECDomainParameters SM2_DOMAIN_PARAMS;
private final static int RS_LEN = 32;
static {
SM2_DOMAIN_PARAMS = BCUtil.toDomainParams(GMNamedCurves.getByName(SM2_CURVE_NAME));
}
public static final ECDomainParameters SM2_DOMAIN_PARAMS = BCUtil.toDomainParams(GMNamedCurves.getByName(SM2_CURVE_NAME));
/**
* SM2国密算法公钥参数的Oid标识
*/
public static final ASN1ObjectIdentifier ID_SM2_PUBLIC_KEY_PARAM = new ASN1ObjectIdentifier("1.2.156.10197.1.301");
/**
* 创建SM2算法对象<br>