org.bouncycastle.asn1.ASN1InputStream类的使用及代码示例

x33g5p2x  于2022-01-15 转载在 其他  
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本文整理了Java中org.bouncycastle.asn1.ASN1InputStream类的一些代码示例，展示了ASN1InputStream类的具体用法。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类的具体详情如下：
包路径：org.bouncycastle.asn1.ASN1InputStream
类名称：ASN1InputStream

ASN1InputStream介绍

[英]a general purpose ASN.1 decoder - note: this class differs from the others in that it returns null after it has read the last object in the stream. If an ASN.1 NULL is encountered a DER/BER Null object is returned.
[中]通用ASN。1解码器-注意：该类与其他类的不同之处在于，它在读取流中的最后一个对象后返回null。如果是ASN。如果遇到1 NULL，则返回DER/BER NULL对象。

代码示例

代码示例来源：origin: jamesdbloom/mockserver

private static SubjectKeyIdentifier createSubjectKeyIdentifier(Key key) throws IOException {
  try (ASN1InputStream is = new ASN1InputStream(new ByteArrayInputStream(key.getEncoded()))) {
    ASN1Sequence seq = (ASN1Sequence) is.readObject();
    SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(seq);
    return new BcX509ExtensionUtils().createSubjectKeyIdentifier(info);
  }
}

代码示例来源：origin: igniterealtime/Openfire

@Override
public int doEndTag() throws JspException {
  try {
    final ASN1InputStream decoder = new ASN1InputStream(value);
    ASN1Primitive primitive = decoder.readObject();
    while (primitive != null && !(primitive instanceof ASN1Null)) {
      pageContext.getOut().write(doPrimitive(primitive));
      primitive = decoder.readObject();
    }
  } catch (Exception ex) {
    throw new JspException(ex.getMessage());
  }
  return super.doEndTag();
}

代码示例来源：origin: org.apache.poi/poi-ooxml

private BigInteger getCrlNumber(X509CRL crl) {
  byte[] crlNumberExtensionValue = crl.getExtensionValue(Extension.cRLNumber.getId());
  if (null == crlNumberExtensionValue) {
    return null;
  }
  try {
    ASN1InputStream asn1IS1 = null, asn1IS2 = null;
    try {
      asn1IS1 = new ASN1InputStream(crlNumberExtensionValue);
      ASN1OctetString octetString = (ASN1OctetString)asn1IS1.readObject();
      byte[] octets = octetString.getOctets();
      asn1IS2 = new ASN1InputStream(octets);
      ASN1Integer integer = (ASN1Integer)asn1IS2.readObject();
      return integer.getPositiveValue();
    } finally {
      IOUtils.closeQuietly(asn1IS2);
      IOUtils.closeQuietly(asn1IS1);
    }
  } catch (IOException e) {
    throw new RuntimeException("I/O error: " + e.getMessage(), e);
  }
}

代码示例来源：origin: com.itextpdf/itextpdf

/**
 * Get the "subject" from the TBSCertificate bytes that are passed in
 * @param enc A TBSCertificate in a byte array
 * @return a ASN1Primitive
 */
public static ASN1Primitive getSubject(byte[] enc) {
  try {
    ASN1InputStream in = new ASN1InputStream(new ByteArrayInputStream(enc));
    ASN1Sequence seq = (ASN1Sequence)in.readObject();
    return (ASN1Primitive)seq.getObjectAt(seq.getObjectAt(0) instanceof ASN1TaggedObject ? 5 : 4);
  }
  catch (IOException e) {
    throw new ExceptionConverter(e);
  }
}

代码示例来源：origin: hyperledger/fabric-sdk-java

try (ByteArrayInputStream inStream = new ByteArrayInputStream(signature)) {
  ASN1InputStream asnInputStream = new ASN1InputStream(inStream);
  ASN1Primitive asn1 = asnInputStream.readObject();
  if (asn1 instanceof ASN1Sequence) {
    ASN1Sequence asn1Sequence = (ASN1Sequence) asn1;
    ASN1Encodable[] asn1Encodables = asn1Sequence.toArray();
    for (ASN1Encodable asn1Encodable : asn1Encodables) {
      ASN1Primitive asn1Primitive = asn1Encodable.toASN1Primitive();
      if (asn1Primitive instanceof ASN1Integer) {
        ASN1Integer asn1Integer = (ASN1Integer) asn1Primitive;
        BigInteger integer = asn1Integer.getValue();
        if (count < 2) {
          sigs[count] = integer;

代码示例来源：origin: dCache/dcache

/**
 * Octet String encapsulation - see RFC 3280 section 4.1
 */
private static byte[] decodeEncapsulation(byte[] payload) throws IOException
{
  ASN1InputStream payloadStream =
      new ASN1InputStream(new ByteArrayInputStream(payload));
  return ((ASN1OctetString) payloadStream.readObject()).getOctets();
}

代码示例来源：origin: itext/itext7

static DERForRecipientParams calculateDERForRecipientParams(byte[] in) throws IOException, GeneralSecurityException {
  String s = "1.2.840.113549.3.2";
  DERForRecipientParams parameters = new DERForRecipientParams();
  AlgorithmParameterGenerator algorithmparametergenerator = AlgorithmParameterGenerator.getInstance(s);
  AlgorithmParameters algorithmparameters = algorithmparametergenerator.generateParameters();
  ByteArrayInputStream bytearrayinputstream = new ByteArrayInputStream(algorithmparameters.getEncoded("ASN.1"));
  ASN1InputStream asn1inputstream = new ASN1InputStream(bytearrayinputstream);
  ASN1Primitive derobject = asn1inputstream.readObject();
  KeyGenerator keygenerator = KeyGenerator.getInstance(s);
  keygenerator.init(128);
  SecretKey secretkey = keygenerator.generateKey();
  Cipher cipher = Cipher.getInstance(s);
  cipher.init(1, secretkey, algorithmparameters);
  parameters.abyte0 = secretkey.getEncoded();
  parameters.abyte1 = cipher.doFinal(in);
  parameters.algorithmIdentifier = new AlgorithmIdentifier(new ASN1ObjectIdentifier(s), derobject);
  return parameters;
}

代码示例来源：origin: spoofzu/DeepViolet

/**
 * Convert <code>der</code> encoded data to <code>ASN1Primitive</code>.
 * For more information, 
 * (<a href="http://stackoverflow.com/questions/2409618/how-do-i-decode-a-der-encoded-string-in-java">StackOverflow: How do I decode a DER encoded string in Java?</a>) 
 * @param data byte[] of <code>der</code> encoded data
 * @return <code>ASN1Primitive</code> representation of <code>der</code> encoded data
 * @throws IOException
 */
static final ASN1Primitive toDERObject(byte[] data) throws IOException {
      ByteArrayInputStream inStream = new ByteArrayInputStream(data);
  
  ASN1InputStream asnInputStream = new ASN1InputStream(inStream);
  
  ASN1Primitive p = asnInputStream.readObject();
  asnInputStream.close();
  
  return p;
}

代码示例来源：origin: org.bouncycastle/bcprov-debug-jdk15on

private static ASN1Sequence getReq(
  byte[]  r)
  throws IOException
{
  ASN1InputStream aIn = new ASN1InputStream(new ByteArrayInputStream(r));
  return ASN1Sequence.getInstance(aIn.readObject());
}

代码示例来源：origin: org.codelibs/jcifs

public KerberosRelevantAuthData ( byte[] token, Map<Integer, KerberosKey> keys ) throws PACDecodingException {
  DLSequence authSequence;
  try {
    try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
      authSequence = ASN1Util.as(DLSequence.class, stream);
    }
  }
  catch ( IOException e ) {
    throw new PACDecodingException("Malformed kerberos ticket", e);
  }
  this.authorizations = new ArrayList<>();
  Enumeration<?> authElements = authSequence.getObjects();
  while ( authElements.hasMoreElements() ) {
    DLSequence authElement = ASN1Util.as(DLSequence.class, authElements);
    ASN1Integer authType = ASN1Util.as(ASN1Integer.class, ASN1Util.as(DERTaggedObject.class, authElement, 0));
    DEROctetString authData = ASN1Util.as(DEROctetString.class, ASN1Util.as(DERTaggedObject.class, authElement, 1));
    this.authorizations.addAll(KerberosAuthData.parse(authType.getValue().intValue(), authData.getOctets(), keys));
  }
}

代码示例来源：origin: stackoverflow.com

InputStream signatureIn = new ByteArrayInputStream(signature);
DERObject obj = new ASN1InputStream(signatureIn).readObject();
ContentInfo contentInfo = ContentInfo.getInstance(obj);
while (certificates.hasMoreElements()) {
  DERObject certObj = (DERObject) certificates.nextElement();
  InputStream in = new ByteArrayInputStream(certObj.getDEREncoded());
  certList.add(cf.generateCertificate(in));

代码示例来源：origin: stackoverflow.com

ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(data));
DERApplicationSpecific application = (DERApplicationSpecific) stream.readObject();
ASN1Sequence sequence = (ASN1Sequence) application.getObject(BERTags.SEQUENCE);
Enumeration enum = sequence.getObjects();
while (enum.hasMoreElements()) {
  ASN1Primitive object = (ASN1Primitive) secEnum.nextElement();
  System.out.println(object);
}

代码示例来源：origin: org.codelibs/jcifs

public KerberosToken ( byte[] token, KerberosKey[] keys ) throws PACDecodingException {
  if ( token.length <= 0 )
    throw new PACDecodingException("Empty kerberos token");
  try {
    ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token));
    DERApplicationSpecific derToken = ASN1Util.as(DERApplicationSpecific.class, stream);
    if ( derToken == null || !derToken.isConstructed() )
      throw new PACDecodingException("Malformed kerberos token");
    stream.close();
    stream = new ASN1InputStream(new ByteArrayInputStream(derToken.getContents()));
    ASN1ObjectIdentifier kerberosOid = ASN1Util.as(ASN1ObjectIdentifier.class, stream);
    if ( !kerberosOid.getId().equals(KerberosConstants.KERBEROS_OID) )
      throw new PACDecodingException("Not a kerberos token");
    int read = 0;
    int readLow = stream.read() & 0xff;
    int readHigh = stream.read() & 0xff;
    read = ( readHigh << 8 ) + readLow;
    if ( read != 0x01 )
      throw new PACDecodingException("Malformed kerberos token");
    DERApplicationSpecific krbToken = ASN1Util.as(DERApplicationSpecific.class, stream);
    if ( krbToken == null || !krbToken.isConstructed() )
      throw new PACDecodingException("Malformed kerberos token");
    stream.close();
    this.apRequest = new KerberosApRequest(krbToken.getContents(), keys);
  }
  catch ( IOException e ) {
    throw new PACDecodingException("Malformed kerberos token", e);
  }
}

代码示例来源：origin: igniterealtime/Openfire

try ( final ASN1InputStream decoder = new ASN1InputStream( item ) )
  final ASN1Primitive object = decoder.readObject();
  final ASN1Sequence otherNameSeq = (ASN1Sequence) object;
  final ASN1ObjectIdentifier typeId = (ASN1ObjectIdentifier) otherNameSeq.getObjectAt( 0 );
  final ASN1TaggedObject taggedValue = (ASN1TaggedObject) otherNameSeq.getObjectAt( 1 );
  switch ( typeId.getId() )
        return otherName;
      Log.debug( "Ignoring subjectAltName 'otherName' type-id '{}' that's neither id-on-xmppAddr nor id-on-dnsSRV.", typeId.getId() );
      return null;

代码示例来源：origin: eu.eu-emi.security/canl

private static ASN1Primitive getObject(
  String oid,
  byte[] ext)
  throws AnnotatedException
{
  try
  {
    ASN1InputStream aIn = new ASN1InputStream(ext);
    ASN1OctetString octs = (ASN1OctetString)aIn.readObject();
    aIn = new ASN1InputStream(octs.getOctets());
    return aIn.readObject();
  }
  catch (Exception e)
  {
    throw new AnnotatedException("exception processing extension " + oid, e);
  }
}

代码示例来源：origin: stackoverflow.com

import java.io.IOException;
import java.math.BigInteger;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DLSequence;

public class RsaAsn1Example {
// ...
  public static BigInteger [] parseASN1RsaPublicKey(byte [] encoded) throws IOException {
    ASN1InputStream asn1_is = new ASN1InputStream(encoded);
    DLSequence dlSeq = (DLSequence) asn1_is.readObject();
    ASN1Integer asn1_n = (ASN1Integer) dlSeq.getObjectAt(0);
    ASN1Integer asn1_e = (ASN1Integer) dlSeq.getObjectAt(1);
    asn1_is.close();
    return new BigInteger[]{ asn1_n.getPositiveValue(), asn1_e.getPositiveValue()};
  }
// ....
}

代码示例来源：origin: org.xipki.scep/scep-server-emulator

protected PKIMessage generatePkiMessage(InputStream is) throws IOException {
 ASN1InputStream asn1Stream = new ASN1InputStream(ScepUtil.requireNonNull("is", is));
 try {
  return PKIMessage.getInstance(asn1Stream.readObject());
 } finally {
  try {
   asn1Stream.close();
  } catch (Exception ex) {
   LOG.error("could not close stream: {}", ex.getMessage());
  }
 }
}

代码示例来源：origin: BMF-RKSV-Technik/at-registrierkassen-mustercode

/**
 * Helper method to convert DER-encoded signature values (e.g. used by Java)
 * to concatenated signature values
 * (as used by the JWS-standard)
 *
 * @param derEncodedSignatureValue
 *          DER-encoded signature value
 * @return concatenated signature value (as used by JWS standard)
 * @throws IOException
 */
public static byte[] convertDEREncodedSignatureToJWSConcatenated(final byte[] derEncodedSignatureValue)
  throws IOException {
 final ASN1InputStream asn1InputStream = new ASN1InputStream(derEncodedSignatureValue);
 final ASN1Primitive asn1Primitive = asn1InputStream.readObject();
 asn1InputStream.close();
 final ASN1Sequence asn1Sequence = (ASN1Sequence.getInstance(asn1Primitive));
 final ASN1Integer rASN1 = (ASN1Integer) asn1Sequence.getObjectAt(0);
 final ASN1Integer sASN1 = (ASN1Integer) asn1Sequence.getObjectAt(1);
 final X9IntegerConverter x9IntegerConverter = new X9IntegerConverter();
 final byte[] r = x9IntegerConverter.integerToBytes(rASN1.getValue(), 32);
 final byte[] s = x9IntegerConverter.integerToBytes(sASN1.getValue(), 32);
 final byte[] concatenatedSignatureValue = new byte[64];
 System.arraycopy(r, 0, concatenatedSignatureValue, 0, 32);
 System.arraycopy(s, 0, concatenatedSignatureValue, 32, 32);
 return concatenatedSignatureValue;
}

代码示例来源：origin: igniterealtime/Openfire

try ( final ASN1InputStream decoder = new ASN1InputStream( (byte[]) value ) )
  final ASN1Primitive object = decoder.readObject();
  final ASN1Sequence otherNameSeq = (ASN1Sequence) object;
  final ASN1ObjectIdentifier typeId = (ASN1ObjectIdentifier) otherNameSeq.getObjectAt( 0 );
  final ASN1TaggedObject taggedValue = (ASN1TaggedObject) otherNameSeq.getObjectAt( 1 );

代码示例来源：origin: apache/pdfbox

private ASN1Primitive createDERForRecipient(byte[] in, X509Certificate cert)
    throws IOException, GeneralSecurityException
  String algorithm = PKCSObjectIdentifiers.RC2_CBC.getId();
  AlgorithmParameterGenerator apg;
  KeyGenerator keygen;
  try (ASN1InputStream input = new ASN1InputStream(parameters.getEncoded("ASN.1")))
    object = input.readObject();
  DERSet set = new DERSet(new RecipientInfo(recipientInfo));
  AlgorithmIdentifier algorithmId = new AlgorithmIdentifier(new ASN1ObjectIdentifier(algorithm), object);
  EncryptedContentInfo encryptedInfo = 
      new EncryptedContentInfo(PKCSObjectIdentifiers.data, algorithmId, new DEROctetString(bytes));

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