/**
   * Returns a hash function implementing the Message Authentication Code (MAC) algorithm, using the
   * MD5 (128 hash bits) hash function and a {@link SecretKeySpec} created from the given byte array
   * and the MD5 algorithm.
   *
   * <p>If you are designing a new system that needs HMAC, prefer {@link #hmacSha256} or other
   * future-proof algorithms <a

        }
    }

    @Override
    public byte[] decompress(byte[] compressedData, int algorithm) throws CIFSException {
        if (compressedData == null) {
            throw new CIFSException("Compressed data cannot be null");
        }
        return decompress(compressedData, 0, compressedData.length, algorithm);
    }

    @Override

    /**
     * Gets the name of a hash algorithm.
     *
     * @param algorithm the algorithm constant
     * @return the algorithm name
     */
    public static String getHashAlgorithmName(int algorithm) {
        switch (algorithm) {
        case HASH_ALGO_SHA512:
            return "SHA-512";
        default:
            return "Unknown(0x" + Integer.toHexString(algorithm) + ")";
        }
    }

    /**

		{
			policy:  `{"conditions":[["eq","$bucket","asdf"],["eq","$key","hello.txt"]],"conditions":[["eq","$success_action_status","201"],["eq","$Content-Type","plain/text"],["eq","$success_action_status","201"],["eq","$x-amz-algorithm","AWS4-HMAC-SHA256"],["eq","$x-amz-credential","Q3AM3UQ867SPQQA43P2F/20210315/us-east-1/s3/aws4_request"],["eq","$x-amz-date","20210315T091621Z"]]}`,
			success: false,
		},
		// invalid json.
		{

	{dataBlocks: 4, onDisks: 8, offDisks: 0, blocksize: int64(blockSizeV2), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 2

	{dataBlocks: 4, onDisks: 8, offDisks: 2, blocksize: int64(blockSizeV2), data: oneMiByte, offset: 2, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false},                 // 2

    }

    /**
     * Returns the algorithm.
     *
     * @return the algorithm
     */
    public String getAlgorithm() {
        return algorithm;
    }

    /**
     * Sets the algorithm.
     *
     * @param algorithm
     *            the algorithm
     */
    public void setAlgorithm(final String algorithm) {
        this.algorithm = algorithm;
    }

    /**

		}
		if keyID != test.KeyID {
			t.Errorf("Test %d: got key-ID '%v' - want key-ID '%v'", i, keyID, test.KeyID)
		}
		if sealedKey.Algorithm != test.SealedKey.Algorithm {
			t.Errorf("Test %d: got sealed key algorithm '%v' - want sealed key algorithm '%v'", i, sealedKey.Algorithm, test.SealedKey.Algorithm)
		}
		if !bytes.Equal(sealedKey.Key[:], test.SealedKey.Key[:]) {

    assertThat(hmacSha256(SHA256_KEY).toString())
        .isEqualTo("Hashing.hmacSha256(Key[algorithm=HmacSHA256, format=RAW])");
    assertThat(hmacSha256(keyData).toString())
        .isEqualTo("Hashing.hmacSha256(Key[algorithm=HmacSHA256, format=RAW])");

    assertThat(hmacSha512(SHA512_KEY).toString())
        .isEqualTo("Hashing.hmacSha512(Key[algorithm=HmacSHA512, format=RAW])");

	{
		Header: http.Header{
			"X-Amz-Server-Side-Encryption-Customer-Algorithm": []string{""},
			"X-Amz-Server-Side-Encryption-Customer-Key":       []string{""},
			"X-Amz-Server-Side-Encryption-Customer-Key-Md5":   []string{""},
		},
		Expected: true,
	}, // 4
	{
		Header: http.Header{
			"X-Amz-Server-Side-Encryption-Customer-Algorithm": []string{"AES256"},