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sm2 support encoding

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Looly
2020-04-17 17:09:16 +08:00
parent 07229be2db
commit 2f9fa2c29a
3 changed files with 70 additions and 8 deletions
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58
hutool-crypto/src/main/java/cn/hutool/crypto/asymmetric/SM2.java
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@@ -6,13 +6,18 @@ import cn.hutool.crypto.BCUtil;
import cn.hutool.crypto.CryptoException;
import cn.hutool.crypto.SecureUtil;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.InvalidCipherTextException;
import org.bouncycastle.crypto.digests.SM3Digest;
import org.bouncycastle.crypto.engines.SM2Engine;
import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
import org.bouncycastle.crypto.params.ECPublicKeyParameters;
import org.bouncycastle.crypto.params.ParametersWithID;
import org.bouncycastle.crypto.params.ParametersWithRandom;
import org.bouncycastle.crypto.signers.DSAEncoding;
import org.bouncycastle.crypto.signers.PlainDSAEncoding;
import org.bouncycastle.crypto.signers.SM2Signer;
import org.bouncycastle.crypto.signers.StandardDSAEncoding;
import java.security.PrivateKey;
import java.security.PublicKey;
@@ -35,10 +40,13 @@ public class SM2 extends AbstractAsymmetricCrypto<SM2> {
protected SM2Engine engine;
protected SM2Signer signer;
private SM2Engine.Mode mode = SM2Engine.Mode.C1C3C2;
private ECPrivateKeyParameters privateKeyParams;
private ECPublicKeyParameters publicKeyParams;
private DSAEncoding encoding = StandardDSAEncoding.INSTANCE;
private Digest digest = new SM3Digest();
private SM2Engine.Mode mode = SM2Engine.Mode.C1C3C2;
// ------------------------------------------------------------------ Constructor start
/**
@@ -414,16 +422,51 @@ public class SM2 extends AbstractAsymmetricCrypto<SM2> {
}
/**
* 设置加密类型
* 设置DSA signatures的编码为PlainDSAEncoding
*
* @return this
* @since 5.3.1
*/
public SM2 usePlainEncoding() {
return setEncoding(PlainDSAEncoding.INSTANCE);
}
/**
* 设置DSA signatures的编码
*
* @param encoding {@link DSAEncoding}实现
* @return this
* @since 5.3.1
*/
public SM2 setEncoding(DSAEncoding encoding) {
this.encoding = encoding;
this.signer = null;
return this;
}
/**
* 设置Hash算法
*
* @param digest {@link Digest}实现
* @return this
* @since 5.3.1
*/
public SM2 setDigest(Digest digest) {
this.digest = digest;
this.engine = null;
this.signer = null;
return this;
}
/**
* 设置SM2模式，旧版是C1C2C3，新版本是C1C3C2
*
* @param mode {@link SM2Engine.Mode}
* @return this
*/
public SM2 setMode(SM2Engine.Mode mode) {
this.mode = mode;
if (null != this.engine) {
this.engine = null;
}
this.engine = null;
return this;
}
@@ -455,7 +498,7 @@ public class SM2 extends AbstractAsymmetricCrypto<SM2> {
*/
private SM2Engine getEngine() {
if (null == this.engine) {
this.engine = new SM2Engine(this.mode);
this.engine = new SM2Engine(this.digest, this.mode);
}
return this.engine;
}
@@ -467,10 +510,9 @@ public class SM2 extends AbstractAsymmetricCrypto<SM2> {
*/
private SM2Signer getSigner() {
if (null == this.signer) {
this.signer = new SM2Signer();
this.signer = new SM2Signer(this.encoding, this.digest);
}
return this.signer;
}
// ------------------------------------------------------------------------------------------------------------------------- Private method end
}