public static Mac getHmac(Digest digest, byte[] key) {
    KeyParameter keyParameter = new KeyParameter(key);
    HMac hmac = new HMac(new SM3Digest());
    hmac.init(keyParameter);

    return new Mac() {
        @Override
        public byte[] doFinal(byte[] bytes) {
            hmac.update(bytes, 0, bytes.length);
            byte[] result = new byte[hmac.getMacSize()];
            hmac.doFinal(result, 0);
            return result;
        }
    };

}
 

public static Mac getHmac(HMacAlgorithms macAlgorithms, byte[] key) {
    try {
        switch (macAlgorithms) {
            case HMAC_SM3:
                return getHmac(new SM3Digest(), key);
            default:
                javax.crypto.Mac mac = javax.crypto.Mac.getInstance(macAlgorithms.getName());
                mac.init(new SecretKeySpec(key, macAlgorithms.getName()));
                return new Mac() {
                    @Override
                    public byte[] doFinal(byte[] bytes) {
                        return mac.doFinal(bytes);
                    }
                };
        }

    } catch (Exception e) {

        throw new RuntimeException(e);
    }
}
 

public static byte[] getSM2Z(byte[] userID, ASN1ObjectIdentifier curveOid,
    BigInteger pubPointX, BigInteger pubPointY) {
  SM3Digest digest = new SM3Digest();

  addUserId(digest, userID);

  X9ECParameters ecParams = GMNamedCurves.getByOID(curveOid);
  addFieldElement(digest, ecParams.getCurve().getA());
  addFieldElement(digest, ecParams.getCurve().getB());
  addFieldElement(digest, ecParams.getG().getAffineXCoord());
  addFieldElement(digest, ecParams.getG().getAffineYCoord());

  int fieldSize = (ecParams.getCurve().getFieldSize() + 7) / 8;
  byte[] bytes = BigIntegers.asUnsignedByteArray(fieldSize, pubPointX);
  digest.update(bytes, 0, fieldSize);

  bytes = BigIntegers.asUnsignedByteArray(fieldSize, pubPointY);
  digest.update(bytes, 0, fieldSize);

  byte[] result = new byte[digest.getDigestSize()];
  digest.doFinal(result, 0);
  return result;
}
 

/**
 * sm3 hash.
 * @param sourceData source data
 * @return digest of sm3
 */
public static byte[] hash(byte[] sourceData) {
    SM3Digest sm3Digest = new SM3Digest();
    sm3Digest.update(sourceData, 0, sourceData.length);
    byte[] md = new byte[sm3Digest.getDigestSize()];
    sm3Digest.doFinal(md, 0);
    return md;
}
 

/**
 * 计算SM3 Mac值
 *
 * @param key     key值，可以是任意长度的字节数组
 * @param srcData 原文
 * @return Mac值，对于HMac-SM3来说是32字节
 */
public static byte[] hmac(byte[] key, byte[] srcData) {
    KeyParameter keyParameter = new KeyParameter(key);
    SM3Digest digest = new SM3Digest();
    HMac mac = new HMac(digest);
    mac.init(keyParameter);
    mac.update(srcData, 0, srcData.length);
    byte[] result = new byte[mac.getMacSize()];
    mac.doFinal(result, 0);
    return result;
}
 

public static byte[] hmac(byte[] key, byte[] srcData) {
    KeyParameter keyParameter = new KeyParameter(key);
    SM3Digest digest = new SM3Digest();
    HMac mac = new HMac(digest);
    mac.init(keyParameter);
    mac.update(srcData, 0, srcData.length);
    byte[] result = new byte[mac.getMacSize()];
    mac.doFinal(result, 0);
    return result;
}
 

public static final void register(final Map<String, Hasher> hashers) {
  hashers.put(BouncyCastleHasher.GOST,
          new BouncyCastleHasher(new GOST3411Digest()));
  hashers.put(BouncyCastleHasher.MD2,
          new BouncyCastleHasher(new MD2Digest()));
  hashers.put(BouncyCastleHasher.MD4,
          new BouncyCastleHasher(new MD4Digest()));
  hashers.put(BouncyCastleHasher.MD5,
          new BouncyCastleHasher(new MD5Digest()));
  hashers.put(BouncyCastleHasher.RIPEMD128,
          new BouncyCastleHasher(new RIPEMD128Digest()));
  hashers.put(BouncyCastleHasher.RIPEMD160,
          new BouncyCastleHasher(new RIPEMD160Digest()));
  hashers.put(BouncyCastleHasher.RIPEMD256,
          new BouncyCastleHasher(new RIPEMD256Digest()));
  hashers.put(BouncyCastleHasher.RIPEMD320,
          new BouncyCastleHasher(new RIPEMD320Digest()));
  hashers.put(BouncyCastleHasher.SHA1,
          new BouncyCastleHasher(new SHA1Digest()));
  hashers.put(BouncyCastleHasher.SHA224,
          new BouncyCastleHasher(new SHA224Digest()));
  hashers.put(BouncyCastleHasher.SHA256,
          new BouncyCastleHasher(new SHA256Digest()));
  hashers.put(BouncyCastleHasher.SHA3,
          new BouncyCastleHasher(new SHA3Digest()));
  hashers.put(BouncyCastleHasher.SHA384,
          new BouncyCastleHasher(new SHA384Digest()));
  hashers.put(BouncyCastleHasher.SHA512,
          new BouncyCastleHasher(new SHA512Digest()));
  hashers.put(BouncyCastleHasher.SHA512_T,
          new BouncyCastleHasher(new SHA512tDigest(7 * 8)));
  hashers.put(BouncyCastleHasher.SKEIN1024, new BouncyCastleHasher(
          new SkeinDigest(SkeinDigest.SKEIN_1024, Long.BYTES * 8)));
  hashers.put(BouncyCastleHasher.SKEIN256, new BouncyCastleHasher(
          new SkeinDigest(SkeinDigest.SKEIN_256, Long.BYTES * 8)));
  hashers.put(BouncyCastleHasher.SKEIN512, new BouncyCastleHasher(
          new SkeinDigest(SkeinDigest.SKEIN_512, Long.BYTES * 8)));
  hashers.put(BouncyCastleHasher.SM3,
          new BouncyCastleHasher(new SM3Digest()));
  hashers.put(BouncyCastleHasher.TIGER,
          new BouncyCastleHasher(new TigerDigest()));
  hashers.put(BouncyCastleHasher.WHIRLPOOL2,
          new BouncyCastleHasher(new WhirlpoolDigest()));
}
 

/**
 * 初始化
 *
 * @param forSigning true表示用于签名，false表示用于验签
 * @param param
 */
public void init(boolean forSigning, CipherParameters param) {
    init(forSigning, new SM3Digest(), param);
}