Java DERBitString类代码示例

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
public PublicKey getPublicKey(String provider)
    throws NoSuchAlgorithmException, NoSuchProviderException, 
           InvalidKeyException
{
    SubjectPublicKeyInfo subjectPKInfo = pkac.getSubjectPublicKeyInfo();
    try
    {
        DERBitString bStr = new DERBitString(subjectPKInfo);
        X509EncodedKeySpec xspec = new X509EncodedKeySpec(bStr.getBytes());
        

        AlgorithmIdentifier keyAlg = subjectPKInfo.getAlgorithm();

        KeyFactory factory =
            KeyFactory.getInstance(keyAlg.getAlgorithm().getId(),provider);

        return factory.generatePublic(xspec);
                       
    }
    catch (Exception e)
    {
        throw new InvalidKeyException("error encoding public key");
    }
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
public boolean[] getIssuerUniqueID()
{
    DERBitString    id = cert.getAcinfo().getIssuerUniqueID();

    if (id != null)
    {
        byte[]          bytes = id.getBytes();
        boolean[]       boolId = new boolean[bytes.length * 8 - id.getPadBits()];

        for (int i = 0; i != boolId.length; i++)
        {
            boolId[i] = (bytes[i / 8] & (0x80 >>> (i % 8))) != 0;
        }

        return boolId;
    }
        
    return null;
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
private X509Certificate generateJcaObject(TBSCertificate tbsCert, byte[] signature)
    throws CertificateEncodingException
{
    ASN1EncodableVector v = new ASN1EncodableVector();

    v.add(tbsCert);
    v.add(sigAlgId);
    v.add(new DERBitString(signature));

    try
    {
        return new X509CertificateObject(Certificate.getInstance(new DERSequence(v)));
    }
    catch (CertificateParsingException e)
    {
        throw new ExtCertificateEncodingException("exception producing certificate object", e);
    }
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
private DERBitString booleanToBitString(boolean[] id)
{
    byte[] bytes = new byte[(id.length + 7) / 8];

    for (int i = 0; i != id.length; i++)
    {
        bytes[i / 8] |= (id[i]) ? (1 << ((7 - (i % 8)))) : 0;
    }

    int pad = id.length % 8;

    if (pad == 0)
    {
        return new DERBitString(bytes);
    }
    else
    {
        return new DERBitString(bytes, 8 - pad);
    }
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
static DERBitString booleanToBitString(boolean[] id)
{
    byte[] bytes = new byte[(id.length + 7) / 8];

    for (int i = 0; i != id.length; i++)
    {
        bytes[i / 8] |= (id[i]) ? (1 << ((7 - (i % 8)))) : 0;
    }

    int pad = id.length % 8;

    if (pad == 0)
    {
        return new DERBitString(bytes);
    }
    else
    {
        return new DERBitString(bytes, 8 - pad);
    }
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
static boolean[] bitStringToBoolean(DERBitString bitString)
{
    if (bitString != null)
    {
        byte[]          bytes = bitString.getBytes();
        boolean[]       boolId = new boolean[bytes.length * 8 - bitString.getPadBits()];

        for (int i = 0; i != boolId.length; i++)
        {
            boolId[i] = (bytes[i / 8] & (0x80 >>> (i % 8))) != 0;
        }

        return boolId;
    }

    return null;
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
public PKMACValue generate(char[] password, SubjectPublicKeyInfo keyInfo)
    throws CRMFException
{
    MacCalculator calculator = builder.build(password);

    OutputStream macOut = calculator.getOutputStream();

    try
    {
        macOut.write(keyInfo.getEncoded(ASN1Encoding.DER));

        macOut.close();
    }
    catch (IOException e)
    {
        throw new CRMFException("exception encoding mac input: " + e.getMessage(), e);
    }

    return new PKMACValue(calculator.getAlgorithmIdentifier(), new DERBitString(calculator.getMac()));
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
/**
 * Build a protected PKI message which has MAC based integrity protection.
 *
 * @param macCalculator MAC calculator.
 * @return the resulting protected PKI message.
 * @throws CMPException if the protection MAC cannot be calculated.
 */
public ProtectedPKIMessage build(MacCalculator macCalculator)
    throws CMPException
{
    finaliseHeader(macCalculator.getAlgorithmIdentifier());

    PKIHeader header = hdrBuilder.build();

    try
    {
        DERBitString protection = new DERBitString(calculateMac(macCalculator, header, body));

        return finaliseMessage(header, protection);
    }
    catch (IOException e)
    {
        throw new CMPException("unable to encode MAC input: " + e.getMessage(), e);
    }
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
private ProtectedPKIMessage finaliseMessage(PKIHeader header, DERBitString protection)
{
    if (!extraCerts.isEmpty())
    {
        CMPCertificate[] cmpCerts = new CMPCertificate[extraCerts.size()];

        for (int i = 0; i != cmpCerts.length; i++)
        {
            cmpCerts[i] = new CMPCertificate(((X509CertificateHolder)extraCerts.get(i)).toASN1Structure());
        }

        return new ProtectedPKIMessage(new PKIMessage(header, body, protection, cmpCerts));
    }
    else
    {
        return new ProtectedPKIMessage(new PKIMessage(header, body, protection));
    }
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
public NetscapeCertRequest(
    String challenge,
    AlgorithmIdentifier signing_alg,
    PublicKey pub_key) throws NoSuchAlgorithmException,
        InvalidKeySpecException, NoSuchProviderException
{

    this.challenge = challenge;
    sigAlg = signing_alg;
    pubkey = pub_key;

    ASN1EncodableVector content_der = new ASN1EncodableVector();
    content_der.add(getKeySpec());
    //content_der.add(new SubjectPublicKeyInfo(sigAlg, new RSAPublicKeyStructure(pubkey.getModulus(), pubkey.getPublicExponent()).getDERObject()));
    content_der.add(new DERIA5String(challenge));

    try
    {
        content = new DERBitString(new DERSequence(content_der));
    }
    catch (IOException e)
    {
        throw new InvalidKeySpecException("exception encoding key: " + e.toString());
    }
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
public ASN1Primitive toASN1Primitive()
{
    ASN1EncodableVector spkac = new ASN1EncodableVector();
    ASN1EncodableVector pkac = new ASN1EncodableVector();

    try
    {
        pkac.add(getKeySpec());
    }
    catch (Exception e)
    {
        //ignore
    }

    pkac.add(new DERIA5String(challenge));

    spkac.add(new DERSequence(pkac));
    spkac.add(sigAlg);
    spkac.add(new DERBitString(sigBits));

    return new DERSequence(spkac);
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
public boolean[] getIssuerUniqueID()
{
    DERBitString    id = c.getTBSCertificate().getIssuerUniqueId();

    if (id != null)
    {
        byte[]          bytes = id.getBytes();
        boolean[]       boolId = new boolean[bytes.length * 8 - id.getPadBits()];

        for (int i = 0; i != boolId.length; i++)
        {
            boolId[i] = (bytes[i / 8] & (0x80 >>> (i % 8))) != 0;
        }

        return boolId;
    }
        
    return null;
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
public boolean[] getSubjectUniqueID()
{
    DERBitString    id = c.getTBSCertificate().getSubjectUniqueId();

    if (id != null)
    {
        byte[]          bytes = id.getBytes();
        boolean[]       boolId = new boolean[bytes.length * 8 - id.getPadBits()];

        for (int i = 0; i != boolId.length; i++)
        {
            boolId[i] = (bytes[i / 8] & (0x80 >>> (i % 8))) != 0;
        }

        return boolId;
    }
        
    return null;
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
public ECPrivateKeyStructure(
    BigInteger    key,
    DERBitString  publicKey,
    ASN1Encodable parameters)
{
    byte[] bytes = BigIntegers.asUnsignedByteArray(key);

    ASN1EncodableVector v = new ASN1EncodableVector();

    v.add(new ASN1Integer(1));
    v.add(new DEROctetString(bytes));

    if (parameters != null)
    {
        v.add(new DERTaggedObject(true, 0, parameters));
    }

    if (publicKey != null)
    {
        v.add(new DERTaggedObject(true, 1, publicKey));
    }

    seq = new DERSequence(v);
}
 

import org.bouncycastle.asn1.DERBitString; //导入依赖的package包/类
/**
 * Constructor from given details.
 * <p>
 * If <code>digestedObjectType</code> is not {@link #publicKeyCert} or
 * {@link #publicKey} <code>otherObjectTypeID</code> must be given,
 * otherwise it is ignored.
 * 
 * @param digestedObjectType The digest object type.
 * @param otherObjectTypeID The object type ID for
 *            <code>otherObjectDigest</code>.
 * @param digestAlgorithm The algorithm identifier for the hash.
 * @param objectDigest The hash value.
 */
public ObjectDigestInfo(
    int digestedObjectType,
    ASN1ObjectIdentifier otherObjectTypeID,
    AlgorithmIdentifier digestAlgorithm,
    byte[] objectDigest)
{
    this.digestedObjectType = new ASN1Enumerated(digestedObjectType);
    if (digestedObjectType == otherObjectDigest)
    {
        this.otherObjectTypeID = otherObjectTypeID;
    }

    this.digestAlgorithm = digestAlgorithm;
    this.objectDigest = new DERBitString(objectDigest);
}