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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.

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package org.bouncycastle.crypto.test;

import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.digests.RIPEMD256Digest;

/**
 * RIPEMD128 Digest Test
 */
public class RIPEMD256DigestTest
    extends DigestTest
{
    final static String[] messages = {
        "",
        "a",
        "abc",
        "message digest",
        "abcdefghijklmnopqrstuvwxyz",
        "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
        "12345678901234567890123456789012345678901234567890123456789012345678901234567890"
    };

    final static String[] digests = {
        "02ba4c4e5f8ecd1877fc52d64d30e37a2d9774fb1e5d026380ae0168e3c5522d",
        "f9333e45d857f5d90a91bab70a1eba0cfb1be4b0783c9acfcd883a9134692925",
        "afbd6e228b9d8cbbcef5ca2d03e6dba10ac0bc7dcbe4680e1e42d2e975459b65",
        "87e971759a1ce47a514d5c914c392c9018c7c46bc14465554afcdf54a5070c0e",
        "649d3034751ea216776bf9a18acc81bc7896118a5197968782dd1fd97d8d5133",
        "3843045583aac6c8c8d9128573e7a9809afb2a0f34ccc36ea9e72f16f6368e3f",
        "5740a408ac16b720b84424ae931cbb1fe363d1d0bf4017f1a89f7ea6de77a0b8",
        "06fdcc7a409548aaf91368c06a6275b553e3f099bf0ea4edfd6778df89a890dd"
    };

    final static String million_a_digest = "ac953744e10e31514c150d4d8d7b677342e33399788296e43ae4850ce4f97978";

    RIPEMD256DigestTest()
    {
        super(new RIPEMD256Digest(), messages, digests);
    }

    public void performTest()
    {
        super.performTest();
        
        millionATest(million_a_digest);
    }

    protected Digest cloneDigest(Digest digest)
    {
        return new RIPEMD256Digest((RIPEMD256Digest)digest);
    }
    
    public static void main(
        String[]    args)
    {
        runTest(new RIPEMD256DigestTest());
    }
}