io.nuls.core.crypto.Sha3Hash Maven / Gradle / Ivy
/**
* MIT License
*
* Copyright (c) 2017-2019 nuls.io
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package io.nuls.core.crypto;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.digests.SHA3Digest;
/**
* @author: PierreLuo
* @date: 2018/11/8
*/
public class Sha3Hash {
public static String sha3(String src) {
if (src == null || src.length() == 0) {
return null;
}
try {
byte[] bytes = HexUtil.decode(src);
return sha3(bytes);
} catch (Exception e) {
return null;
}
}
public static String sha3(byte[] bytes) {
return sha3(bytes, 256);
}
public static String sha3(byte[] bytes, int bitLength) {
Digest digest = new SHA3Digest(bitLength);
digest.update(bytes, 0, bytes.length);
byte[] rsData = new byte[digest.getDigestSize()];
digest.doFinal(rsData, 0);
return HexUtil.encode(rsData);
}
public static byte[] sha3bytes(byte[] bytes, int bitLength) {
Digest digest = new SHA3Digest(bitLength);
digest.update(bytes, 0, bytes.length);
byte[] rsData = new byte[digest.getDigestSize()];
digest.doFinal(rsData, 0);
return rsData;
}
}