Package org.bouncycastle2.bcpg

Examples of org.bouncycastle2.bcpg.RSAPublicBCPGKey

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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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    {
        BCPGKey                key = publicPk.getKey();
       
        if (publicPk.getVersion() <= 3)
        {
            RSAPublicBCPGKey    rK = (RSAPublicBCPGKey)key;
           
            this.keyID = rK.getModulus().longValue();
           
            try
            {
                MessageDigest   digest = MessageDigest.getInstance("MD5");
           
                byte[]  bytes = new MPInteger(rK.getModulus()).getEncoded();
                digest.update(bytes, 2, bytes.length - 2);
           
                bytes = new MPInteger(rK.getPublicExponent()).getEncoded();
                digest.update(bytes, 2, bytes.length - 2);
           
                this.fingerprint = digest.digest();
            }
            catch (NoSuchAlgorithmException e)
            {
                throw new IOException("can't find MD5");
            }

            this.keyStrength = rK.getModulus().bitLength();
        }
        else
        {
            byte[]             kBytes = publicPk.getEncodedContents();
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        if (pubKey instanceof RSAPublicKey)
        {
            RSAPublicKey    rK = (RSAPublicKey)pubKey;

            bcpgKey = new RSAPublicBCPGKey(rK.getModulus(), rK.getPublicExponent());
        }
        else if (pubKey instanceof DSAPublicKey)
        {
            DSAPublicKey    dK = (DSAPublicKey)pubKey;
            DSAParams       dP = dK.getParams();
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            switch (publicPk.getAlgorithm())
            {
            case RSA_ENCRYPT:
            case RSA_GENERAL:
            case RSA_SIGN:
                RSAPublicBCPGKey    rsaK = (RSAPublicBCPGKey)publicPk.getKey();
                RSAPublicKeySpec    rsaSpec = new RSAPublicKeySpec(rsaK.getModulus(), rsaK.getPublicExponent());
   
                fact = KeyFactory.getInstance("RSA", provider);
               
                return fact.generatePublic(rsaSpec);
            case DSA:
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            switch (pubPk.getAlgorithm())
            {
            case PGPPublicKey.RSA_ENCRYPT:
            case PGPPublicKey.RSA_GENERAL:
            case PGPPublicKey.RSA_SIGN:
                RSAPublicBCPGKey        rsaPub = (RSAPublicBCPGKey)pubPk.getKey();
                RSASecretBCPGKey        rsaPriv = new RSASecretBCPGKey(in);
                RSAPrivateCrtKeySpec    rsaPrivSpec = new RSAPrivateCrtKeySpec(
                                                    rsaPriv.getModulus(),
                                                    rsaPub.getPublicExponent(),
                                                    rsaPriv.getPrivateExponent(),
                                                    rsaPriv.getPrimeP(),
                                                    rsaPriv.getPrimeQ(),
                                                    rsaPriv.getPrimeExponentP(),
                                                    rsaPriv.getPrimeExponentQ(),
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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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Related Classes of org.bouncycastle2.bcpg.RSAPublicBCPGKey

  • 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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