org.fisco.bcos.sdk.crypto.signature.SM2SignatureResult Maven / Gradle / Ivy
/**
* Copyright 2014-2020 [fisco-dev]
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
*
http://www.apache.org/licenses/LICENSE-2.0
*
*
Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.fisco.bcos.sdk.crypto.signature;
import java.util.ArrayList;
import java.util.List;
import org.fisco.bcos.sdk.rlp.RlpString;
import org.fisco.bcos.sdk.rlp.RlpType;
import org.fisco.bcos.sdk.utils.Hex;
public class SM2SignatureResult extends SignatureResult {
protected final byte[] pub;
public SM2SignatureResult(final String hexPublicKey, final String signatureString) {
super(signatureString);
this.pub = Hex.decode(hexPublicKey.substring(2));
}
public SM2SignatureResult(byte[] pub, byte[] r, byte[] s) {
super(r, s);
this.pub = pub;
}
/**
* covert signatureResult into String
*
* @return the signature string with [r, s]
*/
@Override
public String convertToString() {
byte[] SignatureBytes = new byte[64];
System.arraycopy(this.r, 0, SignatureBytes, 0, 32);
System.arraycopy(this.s, 0, SignatureBytes, 32, 32);
return Hex.toHexString(SignatureBytes);
}
@Override
public List encode() {
List encodeResult = new ArrayList<>();
encodeResult.add(RlpString.create(this.pub));
super.encodeCommonField(encodeResult);
return encodeResult;
}
}