org.bouncycastle.asn1.ASN1Object.fromByteArray()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.bouncycastle.asn1.ASN1Object.fromByteArray()方法的一些代码示例，展示了ASN1Object.fromByteArray()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。ASN1Object.fromByteArray()方法的具体详情如下：
包路径：org.bouncycastle.asn1.ASN1Object
类名称：ASN1Object
方法名：fromByteArray

ASN1Object.fromByteArray介绍

暂无

代码示例

代码示例来源：origin: com.google.code.jscep/jscep-api

private X509CertificateStructure getCertificate() {
  try {
    ASN1Sequence seq = (ASN1Sequence) ASN1Object.fromByteArray(identity.getEncoded());
    X509CertificateStructure x509 = new X509CertificateStructure(seq);
    
    return x509;
  } catch (CertificateEncodingException e) {
    throw new RuntimeException(e);
  } catch (IOException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: com.google.code.jscep/jscep-api

private DEREncodableVector getCertificatesVector() throws IOException {
  final DEREncodableVector v = new ASN1EncodableVector();
  
  for (Certificate cert : certs) {
    try {
      v.add(ASN1Object.fromByteArray(cert.getEncoded()));
    } catch (CertificateEncodingException e) {
      // This is thrown if an encoding error occurs.
      throw new IOException(e);
    }
  }
  
  return v;
}

代码示例来源：origin: net.jradius/jradius-extended

/**
 * Create a private key parameter from a PKCS8 PrivateKeyInfo encoding.
 * 
 * @param privateKeyInfoData the PrivateKeyInfo encoding
 * @return a suitable private key parameter
 * @throws IOException on an error decoding the key
 */
public static AsymmetricKeyParameter createKey(
  byte[] privateKeyInfoData)
  throws IOException
{
  return createKey(
    PrivateKeyInfo.getInstance(
      ASN1Object.fromByteArray(privateKeyInfoData)));
}

代码示例来源：origin: com.hynnet/jradius-extended

/**
 * Create a private key parameter from a PKCS8 PrivateKeyInfo encoding.
 * 
 * @param privateKeyInfoData the PrivateKeyInfo encoding
 * @return a suitable private key parameter
 * @throws IOException on an error decoding the key
 */
public static AsymmetricKeyParameter createKey(
  byte[] privateKeyInfoData)
  throws IOException
{
  return createKey(
    PrivateKeyInfo.getInstance(
      ASN1Object.fromByteArray(privateKeyInfoData)));
}

代码示例来源：origin: com.google.code.jscep/jscep-api

private DEREncodableVector getCRLsVector() throws IOException {
  final DEREncodableVector v = new ASN1EncodableVector();
  
  for (CRL crl : crls) {
    final X509CRL x509crl = (X509CRL) crl;
    try {
      v.add(ASN1Object.fromByteArray(x509crl.getEncoded()));
    } catch (CRLException e) {
      // This is thrown if an encoding error occurs.
      throw new IOException(e);
    }
  }
  
  return v;
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public String getNetscapeCertComment( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( MiscObjectIdentifiers.netscapeCertComment.getId() );
    if ( value == null ) {
      return null;
    }
    return ASN1Object.fromByteArray( value ).toString();
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract NetscapeCertComment from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public GeneralNames getIssuerAlternativeNames( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.IssuerAlternativeName.getId() );
    if ( value == null ) {
      return null;
    }
    return GeneralNames.getInstance( ASN1Object.fromByteArray( ( ( ASN1OctetString ) ASN1Object.fromByteArray( value ) ).getOctets() ) );
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract IssuerAlternativeName from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public GeneralNames getSubjectAlternativeNames( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.SubjectAlternativeName.getId() );
    if ( value == null ) {
      return null;
    }
    return GeneralNames.getInstance( ASN1Object.fromByteArray( ( ( ASN1OctetString ) ASN1Object.fromByteArray( value ) ).getOctets() ) );
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract SubjectAlternativeName from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public BasicConstraints getBasicConstraints( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.BasicConstraints.getId() );
    if ( value == null ) {
      return null;
    }
    return BasicConstraints.getInstance( ASN1Object.fromByteArray( ( ( ASN1OctetString ) ASN1Object.fromByteArray( value ) ).getOctets() ) );
    // return BasicConstraints.getInstance( ASN1Object.fromByteArray( value ) );
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract BasicConstraints from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public byte[] getSubjectKeyIdentifier( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.SubjectKeyIdentifier.getId() );
    if ( value == null ) {
      return null;
    }
    byte[] octets = ( ( ASN1OctetString ) ASN1Object.fromByteArray( value ) ).getOctets();
    return SubjectKeyIdentifier.getInstance( ASN1Object.fromByteArray( octets ) ).getKeyIdentifier();
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract SubjectKeyIdentifier from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public Interval getPrivateKeyUsagePeriod( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.PrivateKeyUsagePeriod.getId() );
    if ( value == null ) {
      return null;
    }
    PrivateKeyUsagePeriod privKeyUsagePeriod = PrivateKeyUsagePeriod.getInstance( ASN1Object.fromByteArray( value ) );
    SimpleDateFormat derDateFormat = new SimpleDateFormat( "yyyyMMddHHmmssz" );
    Date notBefore = derDateFormat.parse( privKeyUsagePeriod.getNotBefore().getTime() );
    Date notAfter = derDateFormat.parse( privKeyUsagePeriod.getNotAfter().getTime() );
    return new Interval( new DateTime( notBefore ), new DateTime( notAfter ) );
  } catch ( ParseException ex ) {
    throw new CryptoFailure( "Unable to extract PrivateKeyUsagePeriod from X509Certificate extensions", ex );
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract PrivateKeyUsagePeriod from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public Set<PolicyInformation> getCertificatePolicies( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.CertificatePolicies.getId() );
    if ( value == null ) {
      return Collections.emptySet();
    }
    ASN1Sequence policiesSequence = ( ASN1Sequence ) ASN1Object.fromByteArray( value );
    Set<PolicyInformation> certPolicies = new LinkedHashSet<PolicyInformation>();
    for ( int idx = 0; idx < policiesSequence.size(); idx++ ) {
      PolicyInformation policy = PolicyInformation.getInstance( policiesSequence.getObjectAt( idx ) );
      certPolicies.add( policy );
    }
    return certPolicies;
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract CertificatePolicies from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
@SuppressWarnings( "SetReplaceableByEnumSet" )
public Set<NetscapeCertType> getNetscapeCertTypes( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( MiscObjectIdentifiers.netscapeCertType.getId() );
    if ( value == null ) {
      return Collections.emptySet();
    }
    byte[] asn1octets = ( ( ASN1OctetString ) ASN1Object.fromByteArray( value ) ).getOctets();
    int nctIntValue = new org.bouncycastle.asn1.misc.NetscapeCertType( ( DERBitString ) ASN1Object.fromByteArray( asn1octets ) ).intValue();
    Set<NetscapeCertType> netscapeCertTypes = new LinkedHashSet<NetscapeCertType>();
    for ( NetscapeCertType eachCertType : NetscapeCertType.values() ) {
      if ( ( nctIntValue & eachCertType.getIntValue() ) == eachCertType.getIntValue() ) {
        netscapeCertTypes.add( eachCertType );
      }
    }
    return netscapeCertTypes;
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract NetscapeCertType from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: com.google.code.jscep/jscep-api

private EnvelopedData getEnvelopedData(DEREncodable content) throws IOException {
  // According to PKCS #9, data consists of an octet string.
  final ASN1OctetString octetString = (ASN1OctetString) content;
  final byte[] octets = octetString.getOctets();
  final ContentInfo contentInfo = ContentInfo.getInstance(ASN1Object.fromByteArray(octets));
  final DERObjectIdentifier contentType = contentInfo.getContentType();
  
  if (contentType.equals(CMSObjectIdentifiers.envelopedData) == false) {
    LOGGER.warning("Expected envelopedData ContentInfo, was " + contentType);
  }
  
  return new EnvelopedData((ASN1Sequence) contentInfo.getContent());
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public NameConstraints getNameConstraints( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.NameConstraints.getId() );
    if ( value == null ) {
      return null;
    }
    return new NameConstraints( ( ASN1Sequence ) ASN1Object.fromByteArray( value ) );
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract NameConstraints from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
@SuppressWarnings( "SetReplaceableByEnumSet" )
public Set<ExtendedKeyUsage> getExtendedKeyUsages( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.ExtendedKeyUsage.getId() );
    if ( value == null ) {
      return Collections.emptySet();
    }
    byte[] asn1octets = ( ( ASN1OctetString ) ASN1Object.fromByteArray( value ) ).getOctets();
    org.bouncycastle.asn1.x509.ExtendedKeyUsage usages = org.bouncycastle.asn1.x509.ExtendedKeyUsage.getInstance( ( ASN1Sequence ) ASN1Sequence.fromByteArray( asn1octets ) );
    Set<ExtendedKeyUsage> keyUsages = new LinkedHashSet<ExtendedKeyUsage>();
    for ( ExtendedKeyUsage eachPossible : ExtendedKeyUsage.values() ) {
      if ( usages.hasKeyPurposeId( eachPossible.getKeyPurposeId() ) ) {
        keyUsages.add( eachPossible );
      }
    }
    return keyUsages;
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract ExtendedKeyUsages from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: edu.vt.middleware/vt-crypt

/** {@inheritDoc} */
protected PublicKey decode(final byte[] encoded)
 throws CryptException
{
 try {
  final ASN1Sequence seq = (ASN1Sequence) ASN1Object.fromByteArray(encoded);
  final ASN1Sequence innerSeq = (ASN1Sequence) seq.getObjectAt(0);
  final DEREncodable algId = innerSeq.getObjectAt(0);
  final String algorithm;
  if (RSA_ID.equals(algId)) {
   algorithm = "RSA";
  } else if (EC_ID.equals(algId)) {
   algorithm = "EC";
  } else if (DSA_ID.equals(algId)) {
   algorithm = "DSA";
  } else {
   throw new CryptException(
    "Unsupported public key algorithm ID " + algId);
  }
  return
   CryptProvider.getKeyFactory(algorithm).generatePublic(
    new X509EncodedKeySpec(encoded));
 } catch (Exception e) {
  throw new CryptException("Invalid public key.", e);
 }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public Set<PolicyConstraint> getPolicyConstraints( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.PolicyConstraints.getId() );
    if ( value == null ) {
      return Collections.emptySet();
    }
    ASN1Sequence constraintsSequence = ( ASN1Sequence ) ASN1Object.fromByteArray( value );
    Set<PolicyConstraint> constraints = new LinkedHashSet<PolicyConstraint>();
    for ( int idx = 0; idx < constraintsSequence.size(); idx++ ) {
      DERTaggedObject asn1Constraint = ( DERTaggedObject ) constraintsSequence.getObjectAt( idx );
      DERInteger skipCerts = new DERInteger( ( ( DEROctetString ) asn1Constraint.getObject() ).getOctets() );
      PolicyConstraint constraint = new PolicyConstraint();
      switch ( asn1Constraint.getTagNo() ) {
        case 0:
          constraint.setRequireExplicitPolicy( skipCerts.getValue().intValue() );
          break;
        case 1:
          constraint.setInhibitPolicyMapping( skipCerts.getValue().intValue() );
      }
      constraints.add( constraint );
    }
    return constraints;
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract PolicyConstraints from X509Certificate extensions", ex );
  }
}

代码示例来源：origin: com.google.code.jscep/jscep-api

private RecipientInfo toRecipientInfo(X509Certificate cert, SecretKey key) throws CertificateEncodingException, IOException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException {
    PublicKey pubKey = cert.getPublicKey();
    TBSCertificateStructure tbs = TBSCertificateStructure.getInstance(ASN1Object.fromByteArray(cert.getTBSCertificate()));
    AlgorithmIdentifier keyEncAlg = tbs.getSubjectPublicKeyInfo().getAlgorithmId();

    Cipher keyCipher = Cipher.getInstance("RSA");
    keyCipher.init(Cipher.WRAP_MODE, pubKey);
    ASN1OctetString encKey = new DEROctetString(keyCipher.wrap(key));
    
    ASN1InputStream aIn = new ASN1InputStream(cert.getTBSCertificate());
    tbs = TBSCertificateStructure.getInstance(aIn.readObject());
    IssuerAndSerialNumber encSid = new IssuerAndSerialNumber(tbs.getIssuer(), tbs.getSerialNumber().getValue());
    
    return new RecipientInfo(new KeyTransRecipientInfo(new RecipientIdentifier(encSid), keyEncAlg, encKey));
  }
}

代码示例来源：origin: org.codeartisans.qipki/qipki-crypto

@Override
public Set<PolicyMapping> getPolicyMappings( X509Certificate cert )
{
  try {
    byte[] value = cert.getExtensionValue( X509Extensions.PolicyMappings.getId() );
    if ( value == null ) {
      return Collections.emptySet();
    }
    ASN1Sequence mappingsSequence = ( ASN1Sequence ) ASN1Object.fromByteArray( value );
    Set<PolicyMapping> mappings = new LinkedHashSet<PolicyMapping>();
    for ( int idx = 0; idx < mappingsSequence.size(); idx++ ) {
      ASN1Sequence seq = ( ASN1Sequence ) mappingsSequence.getObjectAt( idx );
      PolicyMapping mapping = new PolicyMapping();
      if ( seq.size() > 0 ) {
        mapping.setIssuerDomainPolicyOID( ( ( DERObjectIdentifier ) seq.getObjectAt( 0 ) ).getId() );
      }
      if ( seq.size() > 1 ) {
        mapping.setIssuerDomainPolicyOID( ( ( DERObjectIdentifier ) seq.getObjectAt( 1 ) ).getId() );
      }
      mappings.add( mapping );
    }
    return mappings;
  } catch ( IOException ex ) {
    throw new CryptoFailure( "Unable to extract PolicyMappings from X509Certificate extensions", ex );
  }
}

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