List of usage examples for org.bouncycastle.openpgp PGPLiteralData getInputStream
public InputStream getInputStream()
From source file:org.brownsocks.payments.gateways.enets.pgp.BCPGPProvider.java
@Override public String decryptAndVerify(String messageIn) throws IOException, SignatureVerificationException { try {/* ww w.j av a 2s . com*/ /* Stage zero: Convert to ASCII armored format and open a decoding stream */ InputStream is = new ByteArrayInputStream(Base64.decode(messageIn)); InputStream decoderStream = PGPUtil.getDecoderStream(is); /* Stage one: Init a decrypting stream */ PGPObjectFactory pgpFactory = new PGPObjectFactory(decoderStream); PGPEncryptedDataList cryptedDataList = (PGPEncryptedDataList) pgpFactory.nextObject(); PGPPublicKeyEncryptedData cryptedData = (PGPPublicKeyEncryptedData) cryptedDataList.get(0); InputStream clearStream = cryptedData.getDataStream(getCryptingPrivateKey(), _provider); /* Stage two: Seperate the XML data from the signatures */ PGPObjectFactory plainFact = new PGPObjectFactory(clearStream); PGPOnePassSignatureList onePassSignatureList = (PGPOnePassSignatureList) plainFact.nextObject(); PGPLiteralData literalData = (PGPLiteralData) plainFact.nextObject(); String xmlMessage = IOUtils.toString(literalData.getInputStream()); PGPSignatureList signatureList = (PGPSignatureList) plainFact.nextObject(); /* Stage three: Verify signature */ PGPOnePassSignature ops = onePassSignatureList.get(0); PGPPublicKey key = _remotePublicKeyRing.getPublicKey(ops.getKeyID()); ops.initVerify(key, _provider); ops.update(xmlMessage.getBytes()); if (!ops.verify(signatureList.get(0))) { throw new SignatureVerificationException( "Failed to verify message signature. Message authenticity cannot be thrusted."); } return xmlMessage; } catch (PGPException pgpException) { throw new IOException("PGP subsystem problem.", pgpException); } catch (SignatureException signException) { throw new IOException("PGP subsystem problem.", signException); } catch (Throwable t) { throw new IOException("Unknown error occured in PGP subsystem: " + t.getMessage(), t); } }
From source file:org.kontalk.crypto.Coder.java
License:Open Source License
private static DecryptionResult decryptAndVerify(InputStream encryptedStream, PersonalKey myKey, PGPPublicKey senderKey) {//w ww . jav a 2 s .c o m // note: the signature is inside the encrypted data DecryptionResult result = new DecryptionResult(); PGPObjectFactory pgpFactory = new PGPObjectFactory(encryptedStream); ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); try { // catch all IO and PGP exceptions // the first object might be a PGP marker packet Object o = pgpFactory.nextObject(); // nullable if (!(o instanceof PGPEncryptedDataList)) { o = pgpFactory.nextObject(); // nullable } if (!(o instanceof PGPEncryptedDataList)) { LOGGER.warning("can't find encrypted data list in data"); result.errors.add(Error.INVALID_DATA); return result; } PGPEncryptedDataList encDataList = (PGPEncryptedDataList) o; // check if secret key matches our encryption keyID Iterator<?> it = encDataList.getEncryptedDataObjects(); PGPPrivateKey sKey = null; PGPPublicKeyEncryptedData pbe = null; long myKeyID = myKey.getPrivateEncryptionKey().getKeyID(); while (sKey == null && it.hasNext()) { Object i = it.next(); if (!(i instanceof PGPPublicKeyEncryptedData)) continue; pbe = (PGPPublicKeyEncryptedData) i; if (pbe.getKeyID() == myKeyID) sKey = myKey.getPrivateEncryptionKey(); } if (sKey == null || pbe == null) { LOGGER.warning("private key for message not found"); result.errors.add(Error.INVALID_PRIVATE_KEY); return result; } InputStream clear = pbe.getDataStream(new BcPublicKeyDataDecryptorFactory(sKey)); PGPObjectFactory plainFactory = new PGPObjectFactory(clear); Object object = plainFactory.nextObject(); // nullable if (!(object instanceof PGPCompressedData)) { LOGGER.warning("data packet not compressed"); result.errors.add(Error.INVALID_DATA); return result; } PGPCompressedData cData = (PGPCompressedData) object; PGPObjectFactory pgpFact = new PGPObjectFactory(cData.getDataStream()); object = pgpFact.nextObject(); // nullable // the first object could be the signature list // get signature from it PGPOnePassSignature ops = null; if (object instanceof PGPOnePassSignatureList) { PGPOnePassSignatureList signatureList = (PGPOnePassSignatureList) object; // there is a signature list, so we assume the message is signed // (makes sense) result.signing = Signing.SIGNED; if (signatureList.isEmpty()) { LOGGER.warning("signature list is empty"); result.errors.add(Error.INVALID_SIGNATURE_DATA); } else { ops = signatureList.get(0); ops.init(new BcPGPContentVerifierBuilderProvider(), senderKey); } object = pgpFact.nextObject(); // nullable } else { LOGGER.warning("signature list not found"); result.signing = Signing.NOT; } if (!(object instanceof PGPLiteralData)) { LOGGER.warning("unknown packet type: " + object.getClass().getName()); result.errors.add(Error.INVALID_DATA); return result; } PGPLiteralData ld = (PGPLiteralData) object; InputStream unc = ld.getInputStream(); int ch; while ((ch = unc.read()) >= 0) { outputStream.write(ch); if (ops != null) try { ops.update((byte) ch); } catch (SignatureException ex) { LOGGER.log(Level.WARNING, "can't read signature", ex); } } result.decryptedStream = Optional.of(outputStream); if (ops != null) { result = verifySignature(result, pgpFact, ops); } // verify message integrity if (pbe.isIntegrityProtected()) { if (!pbe.verify()) { LOGGER.warning("message integrity check failed"); result.errors.add(Error.INVALID_INTEGRITY); } } else { LOGGER.warning("message is not integrity protected"); result.errors.add(Error.NO_INTEGRITY); } } catch (IOException | PGPException ex) { LOGGER.log(Level.WARNING, "can't decrypt message", ex); result.errors.add(Error.UNKNOWN_ERROR); } return result; }
From source file:org.mule.module.pgp.DecryptStreamTransformer.java
License:Open Source License
/** * {@inheritDoc}/*from w w w. jav a2s.c o m*/ */ @Override public void initialize(OutputStream out) throws Exception { InputStream decodedInputStream = PGPUtil.getDecoderStream(this.toBeDecrypted); PGPObjectFactory pgpF = new PGPObjectFactory(decodedInputStream); Object o = pgpF.nextObject(); if (o == null) { throw new IllegalArgumentException("Invalid PGP message"); } // the first object might be a PGP marker packet. PGPEncryptedDataList enc; if (o instanceof PGPEncryptedDataList) { enc = (PGPEncryptedDataList) o; } else { enc = (PGPEncryptedDataList) pgpF.nextObject(); } // This loop looks like it is ready for multiple encrypted // objects, but really only one is expected. Iterator<?> it = enc.getEncryptedDataObjects(); PGPPublicKeyEncryptedData pbe = null; PGPPrivateKey privateKey = null; while (privateKey == null && it.hasNext()) { pbe = (PGPPublicKeyEncryptedData) it.next(); privateKey = getPrivateKey(pbe.getKeyID(), this.password); if (privateKey == null) { throw new IllegalArgumentException("Failed to find private key with ID " + pbe.getKeyID()); } } clearStream = pbe.getDataStream(privateKey, "BC"); PGPObjectFactory plainFact = new PGPObjectFactory(clearStream); o = plainFact.nextObject(); PGPOnePassSignature signature = null; if (o instanceof PGPOnePassSignatureList) { PGPOnePassSignatureList list = (PGPOnePassSignatureList) o; signature = list.get(0); signature.initVerify(this.publicKey, "BC"); // TODO verify signature // signature.verify(null); o = plainFact.nextObject(); } compressedStream = null; if (o instanceof PGPCompressedData) { PGPCompressedData cData = (PGPCompressedData) o; compressedStream = new BufferedInputStream(cData.getDataStream()); PGPObjectFactory pgpFact = new PGPObjectFactory(compressedStream); Object streamData = pgpFact.nextObject(); o = streamData; } if (o instanceof PGPLiteralData) { PGPLiteralData ld = (PGPLiteralData) o; uncStream = ld.getInputStream(); } else { throw new PGPException("input is not PGPLiteralData - type unknown."); } }
From source file:org.pgptool.gui.encryption.implpgp.EncryptionServicePgpImpl.java
License:Open Source License
/** * decrypt the passed in message stream. * //from ww w.java2 s . co m * Inspired by * https://github.com/bcgit/bc-java/blob/master/pg/src/main/java/org/bouncycastle/openpgp/examples/KeyBasedFileProcessor.java * * @param countingStream * this stream is passed for progress reporting only, must not be * used to actually read data */ private void decryptStream(PGPPublicKeyEncryptedData pbe, PGPPrivateKey privateKey, OutputStream outputStream, Updater optionalProgress, CountingInputStream countingStream) throws UserRequestedCancellationException { try { InputStream clear = pbe.getDataStream(new BcPublicKeyDataDecryptorFactory(privateKey)); BcPGPObjectFactory plainFact = new BcPGPObjectFactory(clear); Object message = plainFact.nextObject(); if (message instanceof PGPMarker) { message = plainFact.nextObject(); } BcPGPObjectFactory pgpFactory = null; if (message instanceof PGPCompressedData) { PGPCompressedData cData = (PGPCompressedData) message; pgpFactory = new BcPGPObjectFactory(cData.getDataStream()); message = pgpFactory.nextObject(); } int watchDog = 0; while (message != null) { Preconditions.checkState(watchDog++ < 100, "Inifinite loop watch dog just hit"); if (message instanceof PGPLiteralData) { PGPLiteralData ld = (PGPLiteralData) message; // NOTE: We know initial file name (in case we need it): // ld.getFileName(); InputStream unc = ld.getInputStream(); OutputStream fOut = new BufferedOutputStream(outputStream); if (optionalProgress != null) { optionalProgress.updateStepInfo("progress.decrypting"); } pipeStream(unc, fOut, BUFFER_SIZE, optionalProgress, countingStream); fOut.close(); unc.close(); if (pbe.isIntegrityProtected()) { if (!pbe.verify()) { throw new RuntimeException("message failed integrity check"); } } return; } else if (message instanceof PGPOnePassSignatureList) { log.info("PGPOnePassSignatureList is not implemented yet. Skipping signature validation"); // NOTE: Here is a place to copyright from // http://stackoverflow.com/questions/19173181/bouncycastle-pgp-decrypt-and-verify Preconditions.checkArgument(pgpFactory != null, "File format is not supported. pgpFact is supposed to be initialized by that time"); message = pgpFactory.nextObject(); } else if (message instanceof PGPSignatureList) { log.info("PGPSignatureList is not implemented yet. Skipping signature validation"); Preconditions.checkArgument(pgpFactory != null, "File format is not supported. pgpFact is supposed to be initialized by that time"); message = pgpFactory.nextObject(); } else { throw new PGPException( "Don't know how to decrypt the input file. Encountered unexpected block: " + message); } } } catch (Throwable e) { Throwables.throwIfInstanceOf(e, UserRequestedCancellationException.class); throw new RuntimeException("Decryption failed", e); } }
From source file:org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyOperation.java
License:Open Source License
/** Decrypt and/or verify binary or ascii armored pgp data. */ @NonNull/*from w w w.j a v a2s . c om*/ private DecryptVerifyResult decryptVerify(PgpDecryptVerifyInputParcel input, CryptoInputParcel cryptoInput, InputData inputData, InputStream in, OutputStream out, int indent) throws IOException, PGPException { OperationLog log = new OperationLog(); log.add(LogType.MSG_DC, indent); indent += 1; updateProgress(R.string.progress_reading_data, 0, 100); // parse ASCII Armor headers ArmorHeaders armorHeaders = parseArmorHeaders(in, log, indent); String charset = armorHeaders.charset; boolean useBackupCode = false; if (armorHeaders.backupVersion != null && armorHeaders.backupVersion == 2) { useBackupCode = true; } OpenPgpDecryptionResultBuilder decryptionResultBuilder = new OpenPgpDecryptionResultBuilder(); JcaSkipMarkerPGPObjectFactory plainFact; Object dataChunk; EncryptStreamResult esResult = null; { // resolve encrypted (symmetric and asymmetric) packets JcaSkipMarkerPGPObjectFactory pgpF = new JcaSkipMarkerPGPObjectFactory(in); Object obj = pgpF.nextObject(); if (obj instanceof PGPEncryptedDataList) { esResult = handleEncryptedPacket(input, cryptoInput, (PGPEncryptedDataList) obj, log, indent, useBackupCode); // if there is an error, nothing left to do here if (esResult.errorResult != null) { return esResult.errorResult; } // if this worked out so far, the data is encrypted decryptionResultBuilder.setEncrypted(true); if (esResult.sessionKey != null && esResult.decryptedSessionKey != null) { decryptionResultBuilder.setSessionKey(esResult.sessionKey, esResult.decryptedSessionKey); } if (esResult.insecureEncryptionKey) { log.add(LogType.MSG_DC_INSECURE_SYMMETRIC_ENCRYPTION_ALGO, indent + 1); decryptionResultBuilder.setInsecure(true); } // Check for insecure encryption algorithms! if (!PgpSecurityConstants.isSecureSymmetricAlgorithm(esResult.symmetricEncryptionAlgo)) { log.add(LogType.MSG_DC_INSECURE_SYMMETRIC_ENCRYPTION_ALGO, indent + 1); decryptionResultBuilder.setInsecure(true); } plainFact = new JcaSkipMarkerPGPObjectFactory(esResult.cleartextStream); dataChunk = plainFact.nextObject(); } else { decryptionResultBuilder.setEncrypted(false); plainFact = pgpF; dataChunk = obj; } } log.add(LogType.MSG_DC_PREP_STREAMS, indent); log.add(LogType.MSG_DC_CLEAR, indent); indent += 1; // resolve compressed data if (dataChunk instanceof PGPCompressedData) { log.add(LogType.MSG_DC_CLEAR_DECOMPRESS, indent + 1); PGPCompressedData compressedData = (PGPCompressedData) dataChunk; JcaSkipMarkerPGPObjectFactory fact = new JcaSkipMarkerPGPObjectFactory(compressedData.getDataStream()); dataChunk = fact.nextObject(); plainFact = fact; } PgpSignatureChecker signatureChecker = new PgpSignatureChecker(mProviderHelper, input.getSenderAddress()); if (signatureChecker.initializeOnePassSignature(dataChunk, log, indent + 1)) { dataChunk = plainFact.nextObject(); } if (dataChunk instanceof PGPSignatureList) { // skip dataChunk = plainFact.nextObject(); } OpenPgpMetadata metadata; if (!(dataChunk instanceof PGPLiteralData)) { log.add(LogType.MSG_DC_ERROR_INVALID_DATA, indent); return new DecryptVerifyResult(DecryptVerifyResult.RESULT_ERROR, log); } log.add(LogType.MSG_DC_CLEAR_DATA, indent + 1); indent += 2; PGPLiteralData literalData = (PGPLiteralData) dataChunk; String originalFilename = literalData.getFileName(); // reject filenames with slashes completely (path traversal issue) if (originalFilename.contains("/")) { originalFilename = ""; } String mimeType = null; if (literalData.getFormat() == PGPLiteralData.TEXT || literalData.getFormat() == PGPLiteralData.UTF8) { mimeType = "text/plain"; } else { // try to guess from file ending String extension = MimeTypeMap.getFileExtensionFromUrl(originalFilename); if (extension != null) { MimeTypeMap mime = MimeTypeMap.getSingleton(); mimeType = mime.getMimeTypeFromExtension(extension); } } if (mimeType == null) { mimeType = "application/octet-stream"; } if (!"".equals(originalFilename)) { log.add(LogType.MSG_DC_CLEAR_META_FILE, indent + 1, originalFilename); } log.add(LogType.MSG_DC_CLEAR_META_TIME, indent + 1, new Date(literalData.getModificationTime().getTime()).toString()); // return here if we want to decrypt the metadata only if (input.isDecryptMetadataOnly()) { log.add(LogType.MSG_DC_CLEAR_META_MIME, indent + 1, mimeType); // this operation skips the entire stream to find the data length! Long originalSize = literalData.findDataLength(); if (originalSize != null) { log.add(LogType.MSG_DC_CLEAR_META_SIZE, indent + 1, Long.toString(originalSize)); } else { log.add(LogType.MSG_DC_CLEAR_META_SIZE_UNKNOWN, indent + 1); } metadata = new OpenPgpMetadata(originalFilename, mimeType, literalData.getModificationTime().getTime(), originalSize == null ? 0 : originalSize, charset); log.add(LogType.MSG_DC_OK_META_ONLY, indent); DecryptVerifyResult result = new DecryptVerifyResult(DecryptVerifyResult.RESULT_OK, log); result.setDecryptionMetadata(metadata); return result; } InputStream dataIn = literalData.getInputStream(); long opTime, startTime = System.currentTimeMillis(); long alreadyWritten = 0; long wholeSize = inputData.getSize() - inputData.getStreamPosition(); boolean sizeIsKnown = inputData.getSize() != InputData.UNKNOWN_FILESIZE && wholeSize > 0; int length; byte[] buffer = new byte[8192]; byte[] firstBytes = new byte[48]; CharsetVerifier charsetVerifier = new CharsetVerifier(buffer, mimeType, charset); updateProgress(R.string.progress_decrypting, 1, 100); long nextProgressTime = 0L; int lastReportedProgress = 1; while ((length = dataIn.read(buffer)) > 0) { // Log.d(Constants.TAG, "read bytes: " + length); if (out != null) { out.write(buffer, 0, length); } // update signature buffer if signature is also present signatureChecker.updateSignatureData(buffer, 0, length); charsetVerifier.readBytesFromBuffer(0, length); // note down first couple of bytes for "magic bytes" file type detection if (alreadyWritten == 0) { System.arraycopy(buffer, 0, firstBytes, 0, length > firstBytes.length ? firstBytes.length : length); } alreadyWritten += length; if (sizeIsKnown && nextProgressTime < System.currentTimeMillis()) { long progress = 100 * inputData.getStreamPosition() / wholeSize; // stop at 100% for wrong file sizes... if (progress > 100) { progress = 100; } if (progress > lastReportedProgress) { updateProgress((int) progress, 100); lastReportedProgress = (int) progress; nextProgressTime = System.currentTimeMillis() + PROGRESS_STRIDE_MILLISECONDS; } } } if (signatureChecker.isInitialized()) { Object o = plainFact.nextObject(); boolean signatureCheckOk = signatureChecker.verifySignatureOnePass(o, log, indent + 1); if (!signatureCheckOk) { return new DecryptVerifyResult(DecryptVerifyResult.RESULT_ERROR, log); } } opTime = System.currentTimeMillis() - startTime; Log.d(Constants.TAG, "decrypt time taken: " + String.format("%.2f", opTime / 1000.0) + "s, for " + alreadyWritten + " bytes"); // special treatment to detect pgp mime types // TODO move into CharsetVerifier? seems like that would be a plausible place for this logic if (matchesPrefix(firstBytes, "-----BEGIN PGP PUBLIC KEY BLOCK-----") || matchesPrefix(firstBytes, "-----BEGIN PGP PRIVATE KEY BLOCK-----")) { mimeType = Constants.MIME_TYPE_KEYS; } else if (matchesPrefix(firstBytes, "-----BEGIN PGP MESSAGE-----")) { // this is NOT application/pgp-encrypted, see RFC 3156! mimeType = Constants.MIME_TYPE_ENCRYPTED_ALTERNATE; } else { mimeType = charsetVerifier.getGuessedMimeType(); } metadata = new OpenPgpMetadata(originalFilename, mimeType, literalData.getModificationTime().getTime(), alreadyWritten, charsetVerifier.getCharset()); log.add(LogType.MSG_DC_CLEAR_META_MIME, indent + 1, mimeType); Log.d(Constants.TAG, metadata.toString()); indent -= 1; if (esResult != null) { if (esResult.encryptedData.isIntegrityProtected()) { if (esResult.encryptedData.verify()) { log.add(LogType.MSG_DC_INTEGRITY_CHECK_OK, indent); } else { log.add(LogType.MSG_DC_ERROR_INTEGRITY_CHECK, indent); return new DecryptVerifyResult(DecryptVerifyResult.RESULT_ERROR, log); } } else if (!signatureChecker.isInitialized()) { // If no signature is present, we *require* an MDC! // Handle missing integrity protection like failed integrity protection! // The MDC packet can be stripped by an attacker! log.add(LogType.MSG_DC_INSECURE_MDC_MISSING, indent); decryptionResultBuilder.setInsecure(true); } } updateProgress(R.string.progress_done, 100, 100); log.add(LogType.MSG_DC_OK, indent); // Return a positive result, with metadata and verification info DecryptVerifyResult result = new DecryptVerifyResult(DecryptVerifyResult.RESULT_OK, log); result.setCachedCryptoInputParcel(cryptoInput); result.setSignatureResult(signatureChecker.getSignatureResult()); result.setDecryptionResult(decryptionResultBuilder.build()); result.setDecryptionMetadata(metadata); result.mOperationTime = opTime; return result; }
From source file:org.tramaci.onionmail.PGP.java
License:Open Source License
@SuppressWarnings({ "rawtypes", "deprecation" })
public static byte[] decrypt(byte[] encrypted, InputStream keyIn, char[] password) throws Exception {
InputStream inb = new ByteArrayInputStream(encrypted);
InputStream in = PGPUtil.getDecoderStream(inb);
try {/*from w ww . j a va 2s . co m*/
PGPObjectFactory pgpF = new PGPObjectFactory(in);
PGPEncryptedDataList enc = null;
Object o = pgpF.nextObject();
if (o == null)
throw new Exception("@550 No data in message");
if (o instanceof PGPEncryptedDataList)
enc = (PGPEncryptedDataList) o;
else
enc = (PGPEncryptedDataList) pgpF.nextObject();
//deadcode: if (o==null) throw new Exception("@550 No dataList in message");
Iterator it = enc.getEncryptedDataObjects();
PGPPrivateKey sKey = null;
PGPPublicKeyEncryptedData pbe = null;
PGPSecretKeyRingCollection pgpSec = new PGPSecretKeyRingCollection(PGPUtil.getDecoderStream(keyIn));
while (sKey == null && it.hasNext()) {
pbe = (PGPPublicKeyEncryptedData) it.next();
sKey = findSecretKey(pgpSec, pbe.getKeyID(), password);
}
if (sKey == null)
throw new IllegalArgumentException("@550 SecretKey not found");
InputStream clear = pbe.getDataStream(sKey, "BC");
PGPObjectFactory pgpFact = new PGPObjectFactory(clear);
PGPCompressedData cData = (PGPCompressedData) pgpFact.nextObject();
pgpFact = new PGPObjectFactory(cData.getDataStream());
PGPLiteralData ld = (PGPLiteralData) pgpFact.nextObject();
InputStream unc = ld.getInputStream();
ByteArrayOutputStream out = new ByteArrayOutputStream();
int ch;
while ((ch = unc.read()) >= 0) {
out.write(ch);
}
byte[] rs = out.toByteArray();
try {
in.close();
} catch (Exception I) {
}
try {
inb.close();
} catch (Exception I) {
}
out.close();
return rs;
} catch (Exception E) {
try {
in.close();
} catch (Exception I) {
}
try {
inb.close();
} catch (Exception I) {
}
throw E;
}
}
From source file:uk.ac.ebi.ega.cipher.GPGStream.java
License:Apache License
public GPGStream(InputStream in, OutputStream out, int blocksize, char[] password, boolean mod, int pw_strength) { InputStream in_ = null;//from w w w .j av a 2 s.c o m { InputStream clear = null; try { if (mod) return; in_ = org.bouncycastle.openpgp.PGPUtil.getDecoderStream(in); PGPObjectFactory pgpF = new PGPObjectFactory(in_); PGPEncryptedDataList enc; Object o = pgpF.nextObject(); if (o instanceof PGPEncryptedDataList) { enc = (PGPEncryptedDataList) o; } else { enc = (PGPEncryptedDataList) pgpF.nextObject(); } PGPPBEEncryptedData pbe = (PGPPBEEncryptedData) enc.get(0); clear = pbe.getDataStream(password, "BC"); PGPObjectFactory pgpFact = new PGPObjectFactory(clear); PGPCompressedData cData = (PGPCompressedData) pgpFact.nextObject(); pgpFact = new PGPObjectFactory(cData.getDataStream()); PGPLiteralData ld = (PGPLiteralData) pgpFact.nextObject(); InputStream in__ = ld.getInputStream(); } catch (PGPException ex) { Logger.getLogger(GPGStream.class.getName()).log(Level.SEVERE, null, ex); } catch (NoSuchProviderException ex) { Logger.getLogger(GPGStream.class.getName()).log(Level.SEVERE, null, ex); } catch (IOException ex) { Logger.getLogger(GPGStream.class.getName()).log(Level.SEVERE, null, ex); } catch (Throwable t) { } finally { try { in_.close(); } catch (IOException ex) { Logger.getLogger(GPGStream.class.getName()).log(Level.SEVERE, null, ex); } try { clear.close(); } catch (IOException ex) { Logger.getLogger(GPGStream.class.getName()).log(Level.SEVERE, null, ex); } } } }
From source file:uk.ac.ebi.ega.cipher.GPGStream.java
License:Apache License
public static InputStream getDecodingGPGInoutStream(FileInputStream fis, char[] pw) throws IOException, PGPException, NoSuchProviderException { InputStream in = org.bouncycastle.openpgp.PGPUtil.getDecoderStream(fis); PGPObjectFactory pgpF = new PGPObjectFactory(in); PGPEncryptedDataList enc;/* w w w . j a va 2 s. c o m*/ Object o = pgpF.nextObject(); if (o instanceof PGPEncryptedDataList) { enc = (PGPEncryptedDataList) o; } else { enc = (PGPEncryptedDataList) pgpF.nextObject(); } PGPPBEEncryptedData pbe = (PGPPBEEncryptedData) enc.get(0); InputStream clear = pbe.getDataStream(pw, "BC"); PGPObjectFactory pgpFact = new PGPObjectFactory(clear); PGPCompressedData cData = (PGPCompressedData) pgpFact.nextObject(); pgpFact = new PGPObjectFactory(cData.getDataStream()); PGPLiteralData ld = (PGPLiteralData) pgpFact.nextObject(); return ld.getInputStream(); }