List of usage examples for org.bouncycastle.openpgp PGPEncryptedDataList size
public int size()
From source file:com.geekcommune.identity.EncryptionUtil.java
License:Open Source License
/** * Decrypt the specified (PKE) input file. * /*from w w w .j a v a 2s. c o m*/ * Either pubRing and secRing should be null, or pgpSecKey should be null, but not both. * * @param out * @param inFile * @param pubRing * @param secRing * @param pgpSecKey * @param encKey * @param passwd * @param mdcRequired * @throws PGPException */ private void decryptKeyBasedFile(OutputStream out, InputStream inFile, PGPPublicKeyRingCollection pubRing, PGPSecretKeyRingCollection secRing, PGPSecretKey pgpSecKey, char[] passwd, boolean mdcRequired) throws PGPException { try { InputStream fileToDecrypt = PGPUtil.getDecoderStream(inFile); PGPObjectFactory pgpFact = new PGPObjectFactory(fileToDecrypt); Object message = pgpFact.nextObject(); PGPPublicKeyEncryptedData pked = null; // PGPCompressedData cData; // Check for signed only if (!(message instanceof PGPCompressedData)) { // // Encrypted - the first object might be a PGP marker packet. // if (!(message instanceof PGPEncryptedDataList)) { message = pgpFact.nextObject(); if (!(message instanceof PGPEncryptedDataList)) { throw new PGPException("Unrecognised PGP message type: " + message.getClass()); } } PGPEncryptedDataList enc = (PGPEncryptedDataList) message; int count = 0; // find the secret key that is needed while (count != enc.size()) { if (enc.get(count) instanceof PGPPublicKeyEncryptedData) { pked = (PGPPublicKeyEncryptedData) enc.get(count); if (pgpSecKey == null) { pgpSecKey = secRing.getSecretKey(pked.getKeyID()); if (pgpSecKey != null) { break; } } else { if (pgpSecKey.getKeyID() == pked.getKeyID()) { break; } } } count++; } if (pgpSecKey == null) { throw new PGPException("Corresponding secret key not found"); } // Check for revoked key PGPPublicKey encKey = pgpSecKey.getPublicKey(); if (encKey == null) { encKey = findPublicKey(pubRing, pgpSecKey.getKeyID(), true); } if (encKey.isRevoked()) { String keyId = Long.toHexString(encKey.getKeyID()).substring(8); System.out.println("Warning: Encryption key (0x" + keyId + ") has been revoked"); // throw new PGPException("Encryption key (0x"+keyId+") has been revoked"); } InputStream clear = pked.getDataStream(pgpSecKey.extractPrivateKey(passwd, "BC"), "BC"); PGPObjectFactory pgpClearFact = new PGPObjectFactory(clear); message = pgpClearFact.nextObject(); if (message == null) { message = pgpFact.nextObject(); } // // cData = (PGPCompressedData) pgpFact.nextObject(); // } // else { // cData = (PGPCompressedData) message; } if (message instanceof PGPCompressedData) { PGPCompressedData compressedData = (PGPCompressedData) message; pgpFact = new PGPObjectFactory(compressedData.getDataStream()); message = pgpFact.nextObject(); } // Plain file if (message instanceof PGPLiteralData) { PGPLiteralData ld = (PGPLiteralData) message; InputStream dataIn = ld.getInputStream(); int ch; while ((ch = dataIn.read()) >= 0) { out.write(ch); } out.close(); } else if (message instanceof PGPOnePassSignatureList) { // One-pass signature if (!checkOnePassSignature(out, (PGPOnePassSignatureList) message, pgpFact, pubRing)) { throw new PGPException("Signature verification failed"); } System.out.println("Signature verified"); } else if (message instanceof PGPSignatureList) { // Signature list if (!checkSignature(out, (PGPSignatureList) message, pgpFact, pubRing)) { throw new PGPException("Signature verification failed"); } System.out.println("Signature verified"); } else { // what? // System.out.println("Unrecognised message type"); throw new PGPException("Unrecognised PGP message type: " + message.getClass()); } if (pked != null) { if (pked.isIntegrityProtected()) { if (!pked.verify()) { throw new PGPException("Message failed integrity check"); } if (_verbose) { System.out.println("Message integrity check passed"); } } else { if (_verbose) { System.out.println("No message integrity check"); } if (mdcRequired) { throw new PGPException("Missing required message integrity check"); } } } } catch (PGPException e) { throw e; } catch (Exception e) { throw new PGPException("Error in decryption", e); } }
From source file:com.geekcommune.identity.EncryptionUtil.java
License:Open Source License
/** * Decrypt the specified (PBE) input file *///w w w . j av a 2 s. com public void decryptPBEBasedFile(String outputFilename, InputStream in, char[] passPhrase, boolean mdcRequired) throws PGPException { try { // // we need to be able to reset the stream if we try a // wrong passphrase, we'll assume that all the mechanisms // appear in the first 10k for the moment... // int READ_LIMIT = 10 * 1024; in.mark(READ_LIMIT); PGPPBEEncryptedData pbe; InputStream clear; int count = 0; for (;;) { InputStream dIn = PGPUtil.getDecoderStream(in); PGPObjectFactory pgpF = new PGPObjectFactory(dIn); PGPEncryptedDataList enc; Object o = pgpF.nextObject(); // // the first object might be a PGP marker packet. // if (o instanceof PGPEncryptedDataList) { enc = (PGPEncryptedDataList) o; } else { enc = (PGPEncryptedDataList) pgpF.nextObject(); } while (count < enc.size()) { if (enc.get(count) instanceof PGPPBEEncryptedData) { break; } count++; } if (count >= enc.size()) { throw new PGPException("Passphrase invalid"); } pbe = (PGPPBEEncryptedData) enc.get(count); try { clear = pbe.getDataStream(passPhrase, "BC"); } catch (PGPKeyValidationException e) { in.reset(); continue; } break; } PGPObjectFactory pgpFact = new PGPObjectFactory(clear); PGPCompressedData cData = (PGPCompressedData) pgpFact.nextObject(); pgpFact = new PGPObjectFactory(cData.getDataStream()); PGPLiteralData ld = (PGPLiteralData) pgpFact.nextObject(); if (outputFilename == null) { outputFilename = ld.getFileName(); } FileOutputStream fOut = new FileOutputStream(outputFilename); InputStream unc = ld.getInputStream(); int ch; while ((ch = unc.read()) >= 0) { fOut.write(ch); } if (pbe.isIntegrityProtected()) { if (!pbe.verify()) { throw new PGPException("Message failed integrity check"); } if (_verbose) { System.out.println("Message integrity check passed"); } } else { if (_verbose) { System.out.println("No message integrity check"); } if (mdcRequired) { throw new PGPException("Missing required message integrity check"); } } } catch (PGPException e) { throw e; } catch (Exception e) { throw new PGPException("Error in decryption", e); } }
From source file:google.registry.rde.BouncyCastleTest.java
License:Open Source License
@Test public void testEncryptDecrypt_ExplicitStyle() throws Exception { int bufferSize = 64 * 1024; // Alice loads Bob's "publicKey" into memory. PGPPublicKeyRing publicKeyRing = new BcPGPPublicKeyRing(PUBLIC_KEY); PGPPublicKey publicKey = publicKeyRing.getPublicKey(); // Alice encrypts the secret message for Bob using his "publicKey". PGPEncryptedDataGenerator encryptor = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(AES_128)); encryptor.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(publicKey)); byte[] encryptedData; try (ByteArrayOutputStream output = new ByteArrayOutputStream()) { try (OutputStream output2 = encryptor.open(output, new byte[bufferSize])) { output2.write(FALL_OF_HYPERION_A_DREAM.getBytes(UTF_8)); }/*ww w.jav a2 s . c o m*/ encryptedData = output.toByteArray(); } logger.info("Encrypted data: " + dumpHex(encryptedData)); // Bob loads his "privateKey" into memory. PGPSecretKeyRing privateKeyRing = new BcPGPSecretKeyRing(PRIVATE_KEY); PGPPrivateKey privateKey = extractPrivateKey(privateKeyRing.getSecretKey()); // Bob decrypt's the OpenPGP message (w/ ciphertext) using his "privateKey". try (ByteArrayInputStream input = new ByteArrayInputStream(encryptedData)) { PGPObjectFactory pgpFact = new BcPGPObjectFactory(input); PGPEncryptedDataList encDataList = (PGPEncryptedDataList) pgpFact.nextObject(); assertThat(encDataList.size()).isEqualTo(1); PGPPublicKeyEncryptedData encData = (PGPPublicKeyEncryptedData) encDataList.get(0); assertThat(encData.getKeyID()).isEqualTo(publicKey.getKeyID()); assertThat(encData.getKeyID()).isEqualTo(privateKey.getKeyID()); try (InputStream original = encData.getDataStream(new BcPublicKeyDataDecryptorFactory(privateKey))) { assertThat(CharStreams.toString(new InputStreamReader(original, UTF_8))) .isEqualTo(FALL_OF_HYPERION_A_DREAM); } } }
From source file:google.registry.rde.BouncyCastleTest.java
License:Open Source License
@Test public void testEncryptDecrypt_KeyRingStyle() throws Exception { int bufferSize = 64 * 1024; // Alice loads Bob's "publicKey" into memory from her public key ring. PGPPublicKeyRingCollection publicKeyRings = new BcPGPPublicKeyRingCollection( PGPUtil.getDecoderStream(new ByteArrayInputStream(PUBLIC_KEY))); PGPPublicKeyRing publicKeyRing = publicKeyRings.getKeyRings("eric@bouncycastle.org", true, true).next(); PGPPublicKey publicKey = publicKeyRing.getPublicKey(); // Alice encrypts the secret message for Bob using his "publicKey". PGPEncryptedDataGenerator encryptor = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(AES_128)); encryptor.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(publicKey)); byte[] encryptedData; try (ByteArrayOutputStream output = new ByteArrayOutputStream()) { try (OutputStream output2 = encryptor.open(output, new byte[bufferSize])) { output2.write(FALL_OF_HYPERION_A_DREAM.getBytes(UTF_8)); }/* w w w.j a v a2s . c o m*/ encryptedData = output.toByteArray(); } logger.info("Encrypted data: " + dumpHex(encryptedData)); // Bob loads his chain of private keys into memory. PGPSecretKeyRingCollection privateKeyRings = new BcPGPSecretKeyRingCollection( PGPUtil.getDecoderStream(new ByteArrayInputStream(PRIVATE_KEY))); // Bob decrypt's the OpenPGP message (w/ ciphertext) using his "privateKey". try (ByteArrayInputStream input = new ByteArrayInputStream(encryptedData)) { PGPObjectFactory pgpFact = new BcPGPObjectFactory(input); PGPEncryptedDataList encDataList = (PGPEncryptedDataList) pgpFact.nextObject(); assertThat(encDataList.size()).isEqualTo(1); PGPPublicKeyEncryptedData encData = (PGPPublicKeyEncryptedData) encDataList.get(0); // Bob loads the private key to which the message is addressed. PGPPrivateKey privateKey = extractPrivateKey(privateKeyRings.getSecretKey(encData.getKeyID())); try (InputStream original = encData.getDataStream(new BcPublicKeyDataDecryptorFactory(privateKey))) { assertThat(CharStreams.toString(new InputStreamReader(original, UTF_8))) .isEqualTo(FALL_OF_HYPERION_A_DREAM); } } }
From source file:google.registry.rde.BouncyCastleTest.java
License:Open Source License
@Test public void testCompressEncryptDecryptDecompress_KeyRingStyle() throws Exception { int bufsz = 64 * 1024; // Alice loads Bob's "publicKey" into memory from her public key ring. PGPPublicKeyRingCollection publicKeyRings = new BcPGPPublicKeyRingCollection( PGPUtil.getDecoderStream(new ByteArrayInputStream(PUBLIC_KEY))); PGPPublicKeyRing publicKeyRing = publicKeyRings.getKeyRings("eric@bouncycastle.org", true, true).next(); PGPPublicKey publicKey = publicKeyRing.getPublicKey(); // Alice encrypts the secret message for Bob using his "publicKey". PGPEncryptedDataGenerator encryptor = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(AES_128)); encryptor.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(publicKey)); byte[] encryptedData; try (ByteArrayOutputStream output = new ByteArrayOutputStream()) { try (OutputStream output2 = encryptor.open(output, new byte[bufsz])) { PGPCompressedDataGenerator kompressor = new PGPCompressedDataGenerator(ZIP); try (OutputStream output3 = kompressor.open(output2, new byte[bufsz])) { output3.write(FALL_OF_HYPERION_A_DREAM.getBytes(UTF_8)); }// www .ja v a 2s. co m } encryptedData = output.toByteArray(); } logger.info("Encrypted data: " + dumpHex(encryptedData)); // Bob loads his chain of private keys into memory. PGPSecretKeyRingCollection privateKeyRings = new BcPGPSecretKeyRingCollection( PGPUtil.getDecoderStream(new ByteArrayInputStream(PRIVATE_KEY))); // Bob decrypt's the OpenPGP message (w/ ciphertext) using his "privateKey". try (ByteArrayInputStream input = new ByteArrayInputStream(encryptedData)) { PGPObjectFactory pgpFact = new BcPGPObjectFactory(input); PGPEncryptedDataList encDataList = (PGPEncryptedDataList) pgpFact.nextObject(); assertThat(encDataList.size()).isEqualTo(1); PGPPublicKeyEncryptedData encData = (PGPPublicKeyEncryptedData) encDataList.get(0); // Bob loads the private key to which the message is addressed. PGPPrivateKey privateKey = extractPrivateKey(privateKeyRings.getSecretKey(encData.getKeyID())); try (InputStream original = encData.getDataStream(new BcPublicKeyDataDecryptorFactory(privateKey))) { pgpFact = new BcPGPObjectFactory(original); PGPCompressedData kompressedData = (PGPCompressedData) pgpFact.nextObject(); try (InputStream orig2 = kompressedData.getDataStream()) { assertThat(CharStreams.toString(new InputStreamReader(orig2, UTF_8))) .isEqualTo(FALL_OF_HYPERION_A_DREAM); } } } }
From source file:google.registry.rde.Ghostryde.java
License:Open Source License
/** * Opens a new {@link Decryptor} (Reading Step 1/3) * * <p>This is the first step in opening a ghostryde file. After this method, you'll want to * call {@link #openDecompressor(Decryptor)}. * * @param input is an {@link InputStream} of the ghostryde file data. * @param privateKey is the private encryption key of the recipient (which is us!) * @throws IOException/*from ww w .j a v a 2 s .c o m*/ * @throws PGPException */ @CheckReturnValue public Decryptor openDecryptor(@WillNotClose InputStream input, PGPPrivateKey privateKey) throws IOException, PGPException { checkNotNull(privateKey, "privateKey"); PGPObjectFactory fact = new BcPGPObjectFactory(checkNotNull(input, "input")); PGPEncryptedDataList crypts = pgpCast(fact.nextObject(), PGPEncryptedDataList.class); checkState(crypts.size() > 0); if (crypts.size() > 1) { logger.warningfmt("crypts.size() is %d (should be 1)", crypts.size()); } PGPPublicKeyEncryptedData crypt = pgpCast(crypts.get(0), PGPPublicKeyEncryptedData.class); if (crypt.getKeyID() != privateKey.getKeyID()) { throw new PGPException(String.format("Message was encrypted for keyid %x but ours is %x", crypt.getKeyID(), privateKey.getKeyID())); } return new Decryptor(crypt.getDataStream(new BcPublicKeyDataDecryptorFactory(privateKey)), crypt); }
From source file:org.apache.camel.converter.crypto.PGPDataFormat.java
License:Apache License
@SuppressWarnings("resource") public Object unmarshal(Exchange exchange, InputStream encryptedStream) throws Exception { if (encryptedStream == null) { return null; }//w w w . j a va2 s .c om InputStream in = PGPUtil.getDecoderStream(encryptedStream); PGPObjectFactory pgpFactory = new PGPObjectFactory(in); Object o = pgpFactory.nextObject(); // the first object might be a PGP marker packet PGPEncryptedDataList enc; if (o instanceof PGPEncryptedDataList) { enc = (PGPEncryptedDataList) o; } else { enc = (PGPEncryptedDataList) pgpFactory.nextObject(); } PGPPublicKeyEncryptedData pbe = null; PGPPrivateKey key = null; // find encrypted data for which a private key exists in the secret key ring for (int i = 0; i < enc.size() && key == null; i++) { pbe = (PGPPublicKeyEncryptedData) enc.get(i); key = PGPDataFormatUtil.findPrivateKeyWithKeyId(exchange.getContext(), findKeyFileName(exchange), findEncryptionKeyRing(exchange), pbe.getKeyID(), findKeyPassword(exchange), getPassphraseAccessor(), getProvider()); } if (key == null) { throw new PGPException("Provided input is encrypted with unknown pair of keys."); } InputStream encData = pbe .getDataStream(new JcePublicKeyDataDecryptorFactoryBuilder().setProvider(getProvider()).build(key)); pgpFactory = new PGPObjectFactory(encData); PGPCompressedData comData = (PGPCompressedData) pgpFactory.nextObject(); pgpFactory = new PGPObjectFactory(comData.getDataStream()); Object object = pgpFactory.nextObject(); PGPOnePassSignature signature; if (object instanceof PGPOnePassSignatureList) { signature = getSignature(exchange, (PGPOnePassSignatureList) object); object = pgpFactory.nextObject(); } else { signature = null; } PGPLiteralData ld = (PGPLiteralData) object; InputStream litData = ld.getInputStream(); // enable streaming via OutputStreamCache CachedOutputStream cos; ByteArrayOutputStream bos; OutputStream os; if (exchange.getContext().getStreamCachingStrategy().isEnabled()) { cos = new CachedOutputStream(exchange); bos = null; os = cos; } else { cos = null; bos = new ByteArrayOutputStream(); os = bos; } try { byte[] buffer = new byte[BUFFER_SIZE]; int bytesRead; while ((bytesRead = litData.read(buffer)) != -1) { os.write(buffer, 0, bytesRead); if (signature != null) { signature.update(buffer, 0, bytesRead); } os.flush(); } } finally { IOHelper.close(os, litData, encData, in); } if (signature != null) { PGPSignatureList sigList = (PGPSignatureList) pgpFactory.nextObject(); if (!signature.verify(getSignatureWithKeyId(signature.getKeyID(), sigList))) { throw new SignatureException("Cannot verify PGP signature"); } } if (cos != null) { return cos.newStreamCache(); } else { return bos.toByteArray(); } }
From source file:org.apache.camel.converter.crypto.PGPKeyAccessDataFormat.java
License:Apache License
private InputStream getDecryptedData(Exchange exchange, InputStream encryptedStream) throws Exception, PGPException { PGPObjectFactory pgpFactory = new PGPObjectFactory(encryptedStream); Object firstObject = pgpFactory.nextObject(); // the first object might be a PGP marker packet PGPEncryptedDataList enc = getEcryptedDataList(pgpFactory, firstObject); if (enc == null) { throw getFormatException(); }/* ww w . j a v a 2 s. c o m*/ PGPPublicKeyEncryptedData pbe = null; PGPPrivateKey key = null; // find encrypted data for which a private key exists in the secret key ring for (int i = 0; i < enc.size() && key == null; i++) { Object encryptedData = enc.get(i); if (!(encryptedData instanceof PGPPublicKeyEncryptedData)) { throw getFormatException(); } pbe = (PGPPublicKeyEncryptedData) encryptedData; key = secretKeyAccessor.getPrivateKey(exchange, pbe.getKeyID()); if (key != null) { // take the first key break; } } if (key == null) { throw new PGPException( "PGP message is encrypted with a key which could not be found in the Secret Keyring."); } InputStream encData = pbe .getDataStream(new JcePublicKeyDataDecryptorFactoryBuilder().setProvider(getProvider()).build(key)); return encData; }