Package org.bouncycastle2.bcpg

Examples of org.bouncycastle2.bcpg.S2K

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        InputStream    in)
        throws IOException
    {
        this.keys = new ArrayList();

        BCPGInputStream pIn = wrap(in);

        int initialTag = pIn.nextPacketTag();
        if (initialTag != PacketTags.PUBLIC_KEY && initialTag != PacketTags.PUBLIC_SUBKEY)
        {
            throw new IOException(
                "public key ring doesn't start with public key tag: " +
                "tag 0x" + Integer.toHexString(initialTag));
        }

        PublicKeyPacket pubPk = (PublicKeyPacket)pIn.readPacket();
        TrustPacket     trustPk = readOptionalTrustPacket(pIn);

        // direct signatures and revocations
        List keySigs = readSignaturesAndTrust(pIn);

        List ids = new ArrayList();
        List idTrusts = new ArrayList();
        List idSigs = new ArrayList();
        readUserIDs(pIn, ids, idTrusts, idSigs);

        keys.add(new PGPPublicKey(pubPk, trustPk, keySigs, ids, idTrusts, idSigs));


        // Read subkeys
        while (pIn.nextPacketTag() == PacketTags.PUBLIC_SUBKEY)
        {
            PublicKeyPacket pk = (PublicKeyPacket)pIn.readPacket();
            TrustPacket     kTrust = readOptionalTrustPacket(pIn);

            // PGP 8 actually leaves out the signature.
            List sigList = readSignaturesAndTrust(pIn);
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        if (keyAlgorithm == PublicKeyAlgorithmTags.RSA_SIGN
            || keyAlgorithm == PublicKeyAlgorithmTags.RSA_GENERAL)
            // an RSA signature
        {
            sigValues = new MPInteger[1];
            sigValues[0] = new MPInteger(new BigInteger(1, sig.sign()));
        }
        else
        {
            sigValues = PGPUtil.dsaSigToMpi(sig.sign());
        }
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     */
    public PGPOnePassSignature generateOnePassVersion(
        boolean isNested)
        throws PGPException
    {
        return new PGPOnePassSignature(new OnePassSignaturePacket(signatureType, hashAlgorithm, keyAlgorithm, privKey.getKeyID(), isNested));
    }
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            throw new IOException(
                "public key ring doesn't start with public key tag: " +
                "tag 0x" + Integer.toHexString(initialTag));
        }

        PublicKeyPacket pubPk = (PublicKeyPacket)pIn.readPacket();
        TrustPacket     trustPk = readOptionalTrustPacket(pIn);

        // direct signatures and revocations
        List keySigs = readSignaturesAndTrust(pIn);

        List ids = new ArrayList();
        List idTrusts = new ArrayList();
        List idSigs = new ArrayList();
        readUserIDs(pIn, ids, idTrusts, idSigs);

        keys.add(new PGPPublicKey(pubPk, trustPk, keySigs, ids, idTrusts, idSigs));


        // Read subkeys
        while (pIn.nextPacketTag() == PacketTags.PUBLIC_SUBKEY)
        {
            PublicKeyPacket pk = (PublicKeyPacket)pIn.readPacket();
            TrustPacket     kTrust = readOptionalTrustPacket(pIn);

            // PGP 8 actually leaves out the signature.
            List sigList = readSignaturesAndTrust(pIn);
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        byte[]        iv = new byte[8];
       
        rand.nextBytes(iv);
       
        S2K            s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
       
        methods.add(new PBEMethod(defAlgorithm, s2k, PGPUtil.makeKeyFromPassPhrase(defAlgorithm, s2k, passPhrase, defProvider)));
    }
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            {
                byte[]       iv = new byte[8];
               
                rand.nextBytes(iv);
               
                S2K          s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
                SecretKey    key = PGPUtil.makeKeyFromPassPhrase(encAlgorithm, s2k, passPhrase, provider);
   
                c.init(Cipher.ENCRYPT_MODE, key, rand);
           
                iv = c.getIV();
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        throws PGPException
    {
        byte[]   rawKeyData = key.extractKeyData(oldPassPhrase, provider);
        int        s2kUsage = key.secret.getS2KUsage();
        byte[]           iv = null;
        S2K             s2k = null;
        byte[]      keyData;

        if (newEncAlgorithm == SymmetricKeyAlgorithmTags.NULL)
        {
            s2kUsage = SecretKeyPacket.USAGE_NONE;
            if (key.secret.getS2KUsage() == SecretKeyPacket.USAGE_SHA1)   // SHA-1 hash, need to rewrite checksum
            {
                keyData = new byte[rawKeyData.length - 18];

                System.arraycopy(rawKeyData, 0, keyData, 0, keyData.length - 2);

                byte[] check = checksum(false, keyData, keyData.length - 2);
               
                keyData[keyData.length - 2] = check[0];
                keyData[keyData.length - 1] = check[1];
            }
            else
            {
                keyData = rawKeyData;
            }
        }
        else
        {
            Cipher      c = null;
            String      cName = PGPUtil.getSymmetricCipherName(newEncAlgorithm);
           
            try
            {
                c = Cipher.getInstance(cName + "/CFB/NoPadding", provider);
            }
            catch (Exception e)
            {
                throw new PGPException("Exception creating cipher", e);
            }
           
            iv = new byte[8];
           
            rand.nextBytes(iv);
           
            s2k = new S2K(HashAlgorithmTags.SHA1, iv, 0x60);
           
            try
            {               
                SecretKey    sKey = PGPUtil.makeKeyFromPassPhrase(newEncAlgorithm, s2k, newPassPhrase, provider);
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        byte[] fingerPrint = new byte[2];

        fingerPrint[0] = digest[0];
        fingerPrint[1] = digest[1];

        return new PGPSignature(new SignaturePacket(3, signatureType, privKey.getKeyID(), keyAlgorithm, hashAlgorithm, creationTime * 1000, fingerPrint, sigValues));
    }
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                "public key ring doesn't start with public key tag: " +
                "tag 0x" + Integer.toHexString(initialTag));
        }

        PublicKeyPacket pubPk = (PublicKeyPacket)pIn.readPacket();
        TrustPacket     trustPk = readOptionalTrustPacket(pIn);

        // direct signatures and revocations
        List keySigs = readSignaturesAndTrust(pIn);

        List ids = new ArrayList();
        List idTrusts = new ArrayList();
        List idSigs = new ArrayList();
        readUserIDs(pIn, ids, idTrusts, idSigs);

        keys.add(new PGPPublicKey(pubPk, trustPk, keySigs, ids, idTrusts, idSigs));


        // Read subkeys
        while (pIn.nextPacketTag() == PacketTags.PUBLIC_SUBKEY)
        {
            PublicKeyPacket pk = (PublicKeyPacket)pIn.readPacket();
            TrustPacket     kTrust = readOptionalTrustPacket(pIn);

            // PGP 8 actually leaves out the signature.
            List sigList = readSignaturesAndTrust(pIn);

            keys.add(new PGPPublicKey(pk, kTrust, sigList));
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        return null;
    }
   
    public ImageAttribute getImageAttribute()
    {
        UserAttributeSubpacket    p = this.getSubpacket(UserAttributeSubpacketTags.IMAGE_ATTRIBUTE);
       
        if (p == null)
        {
            return null;
        }
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Related Classes of org.bouncycastle2.bcpg.S2K

  • org.bouncycastle2.asn1.ASN1InputStream
  • org.bouncycastle2.asn1.ASN1Sequence
  • org.bouncycastle2.asn1.cryptopro.GOST3410PublicKeyAlgParameters
  • org.bouncycastle2.asn1.DERObjectIdentifier
  • org.bouncycastle2.asn1.DEROctetString
  • org.bouncycastle2.asn1.pkcs.RSAPrivateKeyStructure
  • org.bouncycastle2.asn1.x509.RSAPublicKeyStructure
  • org.bouncycastle2.bcpg.sig.PreferredAlgorithms
  • org.bouncycastle2.crypto.BufferedBlockCipher
  • org.bouncycastle2.crypto.CipherParameters
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