org.spongycastle.asn1.ASN1InputStream.close()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中org.spongycastle.asn1.ASN1InputStream.close()方法的一些代码示例，展示了ASN1InputStream.close()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ASN1InputStream.close()方法的具体详情如下：
包路径：org.spongycastle.asn1.ASN1InputStream
类名称：ASN1InputStream
方法名：close

ASN1InputStream.close介绍

暂无

代码示例

代码示例来源：origin: ethereum/ethereumj

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: fr.acinq/bitcoinj-core

public static ECDSASignature decodeFromDER(byte[] bytes) throws IllegalArgumentException {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    final ASN1Primitive seqObj = decoder.readObject();
    if (seqObj == null)
      throw new IllegalArgumentException("Reached past end of ASN.1 stream.");
    if (!(seqObj instanceof DLSequence))
      throw new IllegalArgumentException("Read unexpected class: " + seqObj.getClass().getName());
    final DLSequence seq = (DLSequence) seqObj;
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new IllegalArgumentException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: com.google/bitcoinj

private static BigInteger extractPrivateKeyFromASN1(byte[] asn1privkey) {
  // To understand this code, see the definition of the ASN.1 format for EC private keys in the OpenSSL source
  // code in ec_asn1.c:
  //
  // ASN1_SEQUENCE(EC_PRIVATEKEY) = {
  //   ASN1_SIMPLE(EC_PRIVATEKEY, version, LONG),
  //   ASN1_SIMPLE(EC_PRIVATEKEY, privateKey, ASN1_OCTET_STRING),
  //   ASN1_EXP_OPT(EC_PRIVATEKEY, parameters, ECPKPARAMETERS, 0),
  //   ASN1_EXP_OPT(EC_PRIVATEKEY, publicKey, ASN1_BIT_STRING, 1)
  // } ASN1_SEQUENCE_END(EC_PRIVATEKEY)
  //
  try {
    ASN1InputStream decoder = new ASN1InputStream(asn1privkey);
    DLSequence seq = (DLSequence) decoder.readObject();
    checkArgument(seq.size() == 4, "Input does not appear to be an ASN.1 OpenSSL EC private key");
    checkArgument(((DERInteger) seq.getObjectAt(0)).getValue().equals(BigInteger.ONE),
        "Input is of wrong version");
    Object obj = seq.getObjectAt(1);
    byte[] bits = ((ASN1OctetString) obj).getOctets();
    decoder.close();
    return new BigInteger(1, bits);
  } catch (IOException e) {
    throw new RuntimeException(e);  // Cannot happen, reading from memory stream.
  }
}

代码示例来源：origin: inchaincodes/inchain

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    e.printStackTrace();
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: cash.bitcoinj/bitcoinj-core

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: CoinbaseWallet/toshi-headless-client

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: nebulasio/neb.java

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: greenaddress/GreenBits

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: HashEngineering/dashj

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: QuincySx/BlockchainWallet-Crypto

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try {
        decoder.close();
      } catch (IOException x) {
      }
  }
}

代码示例来源：origin: com.google/bitcoinj

public static ECDSASignature decodeFromDER(byte[] bytes) {
  try {
    ASN1InputStream decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    DERInteger r, s;
    try {
      r = (DERInteger) seq.getObjectAt(0);
      s = (DERInteger) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    decoder.close();
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: UlordChain/ulordj-thin

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try { decoder.close(); } catch (IOException x) {}
  }
}

代码示例来源：origin: biheBlockChain/wkcwallet-java

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null)
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these
    // values as unsigned, though they should not be
    // Thus, we always use the positive versions. See:
    // http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    throw new RuntimeException(e);
  } finally {
    if (decoder != null)
      try {
        decoder.close();
      } catch (IOException x) {
      }
  }
}

代码示例来源：origin: es.gob.afirma.jmulticard/jmulticard

void fromByteArray(final byte[] encodedData) throws SecureMessagingException {
  try (
    final ASN1InputStream asn1in = new ASN1InputStream(encodedData);
  ) {
    this.to = (DERTaggedObject) asn1in.readObject();
    asn1in.close();
  }
  catch (final IOException e) {
    throw new SecureMessagingException(e);
  }
  final DEROctetString ocs = (DEROctetString) this.to.getObject();
  this.data = ocs.getOctets();
}

代码示例来源：origin: es.gob.afirma/afirma-crypto-cms-enveloper

is.close();
final Enumeration<?> e = dsq.getObjects();

代码示例来源：origin: es.gob.afirma/afirma-crypto-cms-enveloper

) {
  final ASN1Sequence dsq = (ASN1Sequence) is.readObject();
  is.close();
  final Enumeration<?> e = dsq.getObjects();

代码示例来源：origin: nuls-io/nuls

public static ECDSASignature decodeFromDER(byte[] bytes) {
  ASN1InputStream decoder = null;
  try {
    decoder = new ASN1InputStream(bytes);
    DLSequence seq = (DLSequence) decoder.readObject();
    if (seq == null) {
      throw new RuntimeException("Reached past end of ASN.1 stream.");
    }
    ASN1Integer r, s;
    try {
      r = (ASN1Integer) seq.getObjectAt(0);
      s = (ASN1Integer) seq.getObjectAt(1);
    } catch (ClassCastException e) {
      throw new IllegalArgumentException(e);
    }
    // OpenSSL deviates from the DER spec by interpreting these values as unsigned, though they should not be
    // Thus, we always use the positive versions. See: http://r6.ca/blog/20111119T211504Z.html
    return new ECDSASignature(r.getPositiveValue(), s.getPositiveValue());
  } catch (IOException e) {
    Log.error(e);
    throw new RuntimeException(e);
  } finally {
    if (decoder != null) {
      try {
        decoder.close();
      } catch (IOException x) {
      }
    }
  }
}

代码示例来源：origin: telehash/telehash-java

public HashNamePrivateKeyImpl(byte[] derBuffer) throws TelehashException {
  try {
    ASN1InputStream asn1InputStream =
        new ASN1InputStream(new ByteArrayInputStream(derBuffer));
    ASN1Primitive toplevelObject = asn1InputStream.readObject();
    asn1InputStream.close();
    if (! (toplevelObject instanceof ASN1Sequence)) {
      throw new TelehashException("ASN.1 toplevel object not sequence");
    }
    ASN1Sequence sequence = (ASN1Sequence)toplevelObject;
    if (getIntegerFromSequence(sequence, 0).compareTo(BigInteger.ZERO) != 0) {
      throw new TelehashException("only PKCS#1v1.5 (version=0) structures supported.");
    }
    mKey = new RSAPrivateCrtKeyParameters(
        getIntegerFromSequence(sequence, 1),
        getIntegerFromSequence(sequence, 2),
        getIntegerFromSequence(sequence, 3),
        getIntegerFromSequence(sequence, 4),
        getIntegerFromSequence(sequence, 5),
        getIntegerFromSequence(sequence, 6),
        getIntegerFromSequence(sequence, 7),
        getIntegerFromSequence(sequence, 8)
    );
  } catch (IOException e) {
    throw new TelehashException(e);
  }
}

代码示例来源：origin: QuincySx/BlockchainWallet-Crypto

public static boolean verify(byte[] hash, byte[] signature, byte[] pub) {
    ASN1InputStream asn1 = new ASN1InputStream(signature);
    try {
      ECDSASigner signer = new ECDSASigner();
      signer.init(false, new ECPublicKeyParameters(CURVE.getCurve().decodePoint(pub),
          domain));

      DLSequence seq = (DLSequence) asn1.readObject();
      BigInteger r = ((DERInteger) seq.getObjectAt(0)).getPositiveValue();
      BigInteger s = ((DERInteger) seq.getObjectAt(1)).getPositiveValue();
      return signer.verifySignature(hash, r, s);
    } catch (Exception e) {
      // threat format errors as invalid signatures
      return false;
    } finally {
      try {
        asn1.close();
      } catch (IOException e) {
      }
    }
  }
}

代码示例来源：origin: QuincySx/BlockchainWallet-Crypto

public static boolean verify(byte[] publicKey, byte[] signature, byte[] msg) {
    X9ECParameters params = SECNamedCurves.getByName("secp256k1");
    ECDomainParameters EC_PARAMS = new ECDomainParameters(params.getCurve(), params.getG(), params.getN(), params.getH());
    synchronized (EC_PARAMS) {
      boolean valid;
      ECDSASigner signerVer = new ECDSASigner(new HMacDSAKCalculator(new SHA256Digest()));
      try {
        ECPublicKeyParameters pubKey = new ECPublicKeyParameters(EC_PARAMS.getCurve().decodePoint(publicKey), EC_PARAMS);
        signerVer.init(false, pubKey);
        ASN1InputStream derSigStream = new ASN1InputStream(signature);
        DLSequence seq = (DLSequence) derSigStream.readObject();
        BigInteger r = ((ASN1Integer) seq.getObjectAt(0)).getPositiveValue();
        BigInteger s = ((ASN1Integer) seq.getObjectAt(1)).getPositiveValue();
        derSigStream.close();
        valid = signerVer.verifySignature(msg, r, s);
      } catch (IOException e) {
        throw new RuntimeException();
      }
      return valid;
    }
  }
}

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