Examples of codec.pkcs1.DigestInfo

org.bouncycastle.asn1.x509.DigestInfo
This class implements a DigestInfo data structure according to PKCS#1
```
 DigestInfo ::= SEQUENCE { digestAlgorithm AlgorithmIdentifier, -- identifies the digest algorithm digest OCTET STRING                  -- contains the DER-encoded digest value } 
```
@author Michele Boivin @version "$Id: DigestInfo.java,v 1.6 2002/08/28 21:40:35 jpeters Exp $"

     * Default constructor. Builds up the ASN.1 structure
     */
    public MacData() {
  super(3);


  mac_ = new DigestInfo();
  add(mac_);


  macSalt_ = new ASN1OctetString();
  add(macSalt_);

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    {
        byte[]  hash = new byte[digest.getDigestSize()];


        digest.doFinal(hash, 0);


        DigestInfo  digInfo;
        byte[]      sig;


        try
        {
            sig = cipher.processBlock(sigBytes, 0, sigBytes.length);
            digInfo = derDecode(sig);
        }
        catch (Exception e)
        {
            return false;
        }


        if (!digInfo.getAlgorithmId().equals(algId))
        {
            return false;
        }


        byte[]  sigHash = digInfo.getDigest();


        if (hash.length != sigHash.length)
        {
            return false;
        }

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        byte[]  hash)
        throws IOException
    {
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        DEROutputStream         dOut = new DEROutputStream(bOut);
        DigestInfo              dInfo = new DigestInfo(algId, hash);


        dOut.writeObject(dInfo);


        return bOut.toByteArray();
    }

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        throws IOException
    {
        ByteArrayInputStream    bIn = new ByteArrayInputStream(encoding);
        DERInputStream          dIn = new DERInputStream(bIn);


        return new DigestInfo((ASN1Sequence)dIn.readObject());
    }

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    }


    private byte[] derEncode(ASN1ObjectIdentifier oid, byte[] hash) throws IOException
    {
        AlgorithmIdentifier algId = new AlgorithmIdentifier(oid, DERNull.INSTANCE);
        DigestInfo dInfo = new DigestInfo(algId, hash);


        return dInfo.getEncoded(ASN1Encoding.DER);
    }

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        {
            // For raw RSA, the DigestInfo must be prepared externally
            return hash;
        }


        DigestInfo dInfo = new DigestInfo(algId, hash);


        return dInfo.getEncoded(ASN1Encoding.DER);
    }

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    public OtherCertID(
        AlgorithmIdentifier  algId,
        byte[]               digest)
    {
        this.otherCertHash = new DigestInfo(algId, digest);
    }

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    public OtherCertID(
        AlgorithmIdentifier  algId,
        byte[]               digest,
        IssuerSerial    issuerSerial)
    {
        this.otherCertHash = new DigestInfo(algId, digest);
        this.issuerSerial = issuerSerial;
    }

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            int itCount = mData.getIterationCount().intValue();
            byte[] data = ASN1OctetString.getInstance(info.getContent()).getOctets();
            byte[] res = calculatePbeMac(mData.getMac().getAlgorithmId().getObjectId(), mData.getSalt(), itCount, passwd, data, provider);


            AlgorithmIdentifier algId = new AlgorithmIdentifier(mData.getMac().getAlgorithmId().getObjectId(), DERNull.INSTANCE);
            DigestInfo dInfo = new DigestInfo(algId, res);


            mData = new MacData(dInfo, mData.getSalt(), itCount);
        }
        catch (Exception e)
        {

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        boolean wrongPKCS12Zero = false;


        if (bag.getMacData() != null)           // check the mac code
        {
            MacData mData = bag.getMacData();
            DigestInfo dInfo = mData.getMac();
            AlgorithmIdentifier algId = dInfo.getAlgorithmId();
            byte[] salt = mData.getSalt();
            int itCount = mData.getIterationCount().intValue();


            byte[] data = ((ASN1OctetString)info.getContent()).getOctets();


            try
            {
                byte[] res = calculatePbeMac(algId.getAlgorithm(), salt, itCount, password, false, data);
                byte[] dig = dInfo.getDigest();


                if (!Arrays.constantTimeAreEqual(res, dig))
                {
                    if (password.length > 0)
                    {

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Related Classes of codec.pkcs1.DigestInfo

codec.asn1.ASN1OctetString

codec.pkcs12.MacData

codec.x509.AlgorithmIdentifier

org.apache.geronimo.crypto.asn1.ASN1EncodableVector

org.apache.geronimo.crypto.asn1.DEROctetString

org.apache.geronimo.crypto.asn1.DERSequence

org.apache.geronimo.util.asn1.ASN1EncodableVector

org.apache.geronimo.util.asn1.DEROctetString

org.apache.geronimo.util.asn1.DERSequence

org.bouncycastle.asn1.ASN1EncodableVector

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