Package org.bouncycastle.openpgp.operator

Examples of org.bouncycastle.openpgp.operator.PGPDigestCalculator

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    }

    public PGPContentSigner build(final int signatureType, final PGPPrivateKey privateKey)
        throws PGPException
    {
        final PGPDigestCalculator digestCalculator = digestCalculatorProvider.get(hashAlgorithm);
        final Signer signer = BcImplProvider.createSigner(keyAlgorithm, hashAlgorithm);

        if (random != null)
        {
            signer.init(true, new ParametersWithRandom(keyConverter.getPrivateKey(privateKey), random));
        }
        else
        {
            signer.init(true, keyConverter.getPrivateKey(privateKey));
        }

        return new PGPContentSigner()
        {
            public int getType()
            {
                return signatureType;
            }

            public int getHashAlgorithm()
            {
                return hashAlgorithm;
            }

            public int getKeyAlgorithm()
            {
                return keyAlgorithm;
            }

            public long getKeyID()
            {
                return privateKey.getKeyID();
            }

            public OutputStream getOutputStream()
            {
                return new TeeOutputStream(new SignerOutputStream(signer), digestCalculator.getOutputStream());
            }

            public byte[] getSignature()
            {
                try
                {
                    return signer.generateSignature();
                }
                catch (CryptoException e)
                {    // TODO: need a specific runtime exception for PGP operators.
                    throw new IllegalStateException("unable to create signature");
                }
            }

            public byte[] getDigest()
            {
                return digestCalculator.getDigest();
            }
        };
    }
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    {
        final Digest dig = BcImplProvider.createDigest(algorithm);

        final DigestOutputStream stream = new DigestOutputStream(dig);

        return new PGPDigestCalculator()
        {
            public int getAlgorithm()
            {
                return algorithm;
            }
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                catch (GeneralSecurityException e)
                {
                    throw new PGPException("exception on setup: " + e, e);
                }

                return new PGPDigestCalculator()
                {
                    public int getAlgorithm()
                    {
                        return algorithm;
                    }
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        if (armor)
        {
            secretOut = new ArmoredOutputStream(secretOut);
        }

        PGPDigestCalculator sha1Calc = new JcaPGPDigestCalculatorProviderBuilder().build().get(HashAlgorithmTags.SHA1);
        PGPKeyPair          keyPair = new PGPKeyPair(PGPPublicKey.RSA_GENERAL, publicKey, privateKey, new Date());
        PGPSecretKey        secretKey = new PGPSecretKey(PGPSignature.DEFAULT_CERTIFICATION, keyPair, identity, sha1Calc, null, null, new JcaPGPContentSignerBuilder(keyPair.getPublicKey().getAlgorithm(), HashAlgorithmTags.SHA1), new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.CAST5, sha1Calc).setProvider("BC").build(passPhrase));
       
        secretKey.encode(secretOut);
       
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    }

    public PGPContentSigner build(final int signatureType, final PGPPrivateKey privateKey)
        throws PGPException
    {
        final PGPDigestCalculator digestCalculator = digestCalculatorProviderBuilder.build().get(hashAlgorithm);
        final Signature           signature = helper.createSignature(keyAlgorithm, hashAlgorithm);

        try
        {
            if (random != null)
            {
                signature.initSign(keyConverter.getPrivateKey(privateKey), random);
            }
            else
            {
                signature.initSign(keyConverter.getPrivateKey(privateKey));
            }
        }
        catch (InvalidKeyException e)
        {
           throw new PGPException("invalid key.", e);
        }

        return new PGPContentSigner()
        {
            public int getType()
            {
                return signatureType;
            }

            public int getHashAlgorithm()
            {
                return hashAlgorithm;
            }

            public int getKeyAlgorithm()
            {
                return keyAlgorithm;
            }

            public long getKeyID()
            {
                return privateKey.getKeyID();
            }

            public OutputStream getOutputStream()
            {
                return new TeeOutputStream(new SignatureOutputStream(signature), digestCalculator.getOutputStream());
            }

            public byte[] getSignature()
            {
                try
                {
                    return signature.sign();
                }
                catch (SignatureException e)
                {    // TODO: need a specific runtime exception for PGP operators.
                    throw new IllegalStateException("unable to create signature");
                }
            }

            public byte[] getDigest()
            {
                return digestCalculator.getDigest();
            }
        };
    }
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            secretOut = new ArmoredOutputStream(secretOut);
        }

        PGPKeyPair        dsaKeyPair = new PGPKeyPair(PGPPublicKey.DSA, dsaKp, new Date());
        PGPKeyPair        elgKeyPair = new PGPKeyPair(PGPPublicKey.ELGAMAL_ENCRYPT, elgKp, new Date());
        PGPDigestCalculator sha1Calc = new JcaPGPDigestCalculatorProviderBuilder().build().get(HashAlgorithmTags.SHA1);
        PGPKeyRingGenerator    keyRingGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION, dsaKeyPair,
                 identity, sha1Calc, null, null, new JcaPGPContentSignerBuilder(dsaKeyPair.getPublicKey().getAlgorithm(), HashAlgorithmTags.SHA1), new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256, sha1Calc).setProvider("BC").build(passPhrase));
       
        keyRingGen.addSubKey(elgKeyPair);
       
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        svg.setFeature(true, Features.FEATURE_MODIFICATION_DETECTION);
        svg.setKeyFlags(true, KeyFlags.CERTIFY_OTHER + KeyFlags.SIGN_DATA);

        PGPSignatureSubpacketVector hashedPcks = svg.generate();

        PGPDigestCalculator sha1Calc = new JcaPGPDigestCalculatorProviderBuilder().build().get(HashAlgorithmTags.SHA1);
        PGPKeyRingGenerator keyRingGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION,
            sgnKeyPair, identity,
            sha1Calc, hashedPcks, unhashedPcks, new JcaPGPContentSignerBuilder(sgnKeyPair.getPublicKey().getAlgorithm(), HashAlgorithmTags.SHA1), new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256).setProvider("BC").build(passPhrase));

        svg = new PGPSignatureSubpacketGenerator();
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Related Classes of org.bouncycastle.openpgp.operator.PGPDigestCalculator

  • org.bouncycastle.openpgp.examples.DSAElGamalKeyRingGenerator
  • org.bouncycastle.openpgp.examples.RSAKeyPairGenerator
  • org.bouncycastle.openpgp.operator.bc.BcPGPContentSignerBuilder
  • org.bouncycastle.openpgp.operator.bc.BcPGPDigestCalculatorProvider
  • org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder
  • org.bouncycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder
  • org.bouncycastle.openpgp.test.PGPRSATest
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