Java 类org.bouncycastle.crypto.digests.SM3Digest 实例源码

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;
}

private static void initDigesters() {
    digesters.put("Blake2b", Blake2bDigest.class);
    digesters.put("GOST3411", GOST3411Digest.class);
    digesters.put("Keccak", KeccakDigest.class);
    digesters.put("MD2", MD2Digest.class);
    digesters.put("MD4", MD4Digest.class);
    digesters.put("MD5", MD5Digest.class);
    digesters.put("RIPEMD128", RIPEMD128Digest.class);
    digesters.put("RIPEMD160", RIPEMD160Digest.class);
    digesters.put("RIPEMD256", RIPEMD256Digest.class);
    digesters.put("RIPEMD320", RIPEMD320Digest.class);
    digesters.put("SHA1", SHA1Digest.class);
    digesters.put("SHA224", SHA224Digest.class);
    digesters.put("SHA256", SHA256Digest.class);
    digesters.put("SHA384", SHA384Digest.class);
    digesters.put("SHA3-512", SHA3Digest.class);
    digesters.put("SHA3-256", SHA3Digest.class);
    digesters.put("SHA3-224", SHA3Digest.class);
    digesters.put("SHA3-384", SHA3Digest.class);
    digesters.put("SHA512", SHA512Digest.class);
    digesters.put("SHAKE-128", SHAKEDigest.class);
    digesters.put("SHAKE-256", SHAKEDigest.class);
    digesters.put("Skein256", SkeinDigest.class);
    digesters.put("Skein512", SkeinDigest.class);
    digesters.put("Skein1024", SkeinDigest.class);
    digesters.put("SM3", SM3Digest.class);
    digesters.put("Tiger", TigerDigest.class);
    digesters.put("Whirlpool", WhirlpoolDigest.class);
}

public Object clone()
    throws CloneNotSupportedException
{
    Digest d = (Digest)super.clone();
    d.digest = new SM3Digest((SM3Digest)digest);

    return d;
}

public Object clone()
    throws CloneNotSupportedException
{
    Digest d = (Digest)super.clone();
    d.digest = new SM3Digest((SM3Digest)digest);

    return d;
}

public Object clone()
    throws CloneNotSupportedException
{
    Digest d = (Digest)super.clone();
    d.digest = new SM3Digest((SM3Digest)digest);

    return d;
}

public Object clone()
    throws CloneNotSupportedException
{
    Digest d = (Digest)super.clone();
    d.digest = new SM3Digest((SM3Digest)digest);

    return d;
}

SM3DigestTest()
{
    super(new SM3Digest(), messages, digests);
}

protected Digest cloneDigest(Digest digest)
{
    return new SM3Digest((SM3Digest)digest);
}

public Digest()
{
    super(new SM3Digest());
}

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()));
}

public Digest()
{
    super(new SM3Digest());
}

SM3DigestTest()
{
    super(new SM3Digest(), messages, digests);
}

protected Digest cloneDigest(Digest digest)
{
    return new SM3Digest((SM3Digest)digest);
}

public Digest()
{
    super(new SM3Digest());
}

SM3DigestTest()
{
    super(new SM3Digest(), messages, digests);
}

protected Digest cloneDigest(Digest digest)
{
    return new SM3Digest((SM3Digest)digest);
}

public Digest()
{
    super(new SM3Digest());
}