Create SHA 256 Digest - Java Security

Java examples for Security:SHA

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Description

Create SHA 256 Digest

Demo Code

import java.security.Security;

import org.bouncycastle.crypto.digests.SHA1Digest;
import org.bouncycastle.crypto.digests.SHA256Digest;
import org.bouncycastle.crypto.digests.SHA384Digest;
import org.bouncycastle.crypto.digests.SHA3Digest;
import org.bouncycastle.crypto.digests.SHA512Digest;
import org.bouncycastle.crypto.digests.ShortenedDigest;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.crypto.digests.GOST3411Digest;

public class hash_sha {

    public static void main(String[] args) {
        Security.addProvider(new BouncyCastleProvider());

        byte[] trial = "trial".getBytes();


        //GOST3411Digest examplesha = new GOST3411Digest(); //256-bits
        //SHA1Digest examplesha = new SHA1Digest();
        //SHA256Digest examplesha = new SHA256Digest(); //256-bits
        //SHA384Digest examplesha = new SHA384Digest(); //384-bits
        //SHA512Digest examplesha = new SHA512Digest(); //512-bits
        SHA3Digest examplesha = new SHA3Digest();

        examplesha.update(trial, 0, trial.length);

        byte[] digested = new byte[examplesha.getDigestSize()];
        examplesha.doFinal(digested, 0);

        System.out.println("Input (hex): " + new String(Hex.encode(trial)));
        System.out.println("Output (hex): "
                + new String(Hex.encode(digested)));
    }/*from   w w w  . java2s .com*/

}

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