List of usage examples for org.bouncycastle.bcpg BCPGOutputStream finish
public void finish() throws IOException
From source file:com.geekcommune.identity.EncryptionUtil.java
License:Open Source License
/** * UNUSED IN FRIENDLY BACKUP// www .java 2s . c o m * Sign the passed in message stream (version 3 signature) */ private void signDataV3(File inFile, OutputStream aOut, PGPPublicKey publicKey, PGPPrivateKey privateKey) throws PGPException { try { PGPCompressedDataGenerator cGen = new PGPCompressedDataGenerator(PGPCompressedData.ZIP); BCPGOutputStream bOut = new BCPGOutputStream(cGen.open(aOut)); PGPLiteralDataGenerator lGen = new PGPLiteralDataGenerator(true); PGPV3SignatureGenerator s3Gen = new PGPV3SignatureGenerator(publicKey.getAlgorithm(), PGPUtil.SHA1, "BC"); s3Gen.initSign(PGPSignature.BINARY_DOCUMENT, privateKey); s3Gen.generateOnePassVersion(false).encode(bOut); OutputStream lOut = lGen.open(bOut, PGPLiteralData.BINARY, inFile); FileInputStream fIn = new FileInputStream(inFile); int ch; while ((ch = fIn.read()) >= 0) { lOut.write(ch); s3Gen.update((byte) ch); } fIn.close(); // close() finishes the writing of the literal data and flushes the stream // It does not close bOut so this is ok here lGen.close(); // Generate the signature s3Gen.generate().encode(bOut); // Must not close bOut here bOut.finish(); bOut.flush(); cGen.close(); } catch (PGPException e) { throw e; } catch (Exception e) { throw new PGPException("Error in signing", e); } }
From source file:com.geekcommune.identity.EncryptionUtil.java
License:Open Source License
/** * Sign the passed in message stream/*w w w . ja va 2 s .c om*/ */ private void signData(File inFile, OutputStream aOut, PGPPublicKey publicKey, PGPPrivateKey privateKey) throws PGPException { try { PGPCompressedDataGenerator cGen = new PGPCompressedDataGenerator(PGPCompressedData.ZIP); BCPGOutputStream bOut = new BCPGOutputStream(cGen.open(aOut)); PGPLiteralDataGenerator lGen = new PGPLiteralDataGenerator(); PGPSignatureGenerator sGen = new PGPSignatureGenerator(publicKey.getAlgorithm(), PGPUtil.SHA1, "BC"); sGen.initSign(PGPSignature.BINARY_DOCUMENT, privateKey); @SuppressWarnings("unchecked") Iterator<String> users = publicKey.getUserIDs(); if (users.hasNext()) { PGPSignatureSubpacketGenerator spGen = new PGPSignatureSubpacketGenerator(); spGen.setSignerUserID(false, users.next()); sGen.setHashedSubpackets(spGen.generate()); } sGen.generateOnePassVersion(false).encode(bOut); OutputStream lOut = lGen.open(bOut, PGPLiteralData.BINARY, inFile); FileInputStream fIn = new FileInputStream(inFile); int ch; while ((ch = fIn.read()) >= 0) { lOut.write(ch); sGen.update((byte) ch); } fIn.close(); // close() finishes the writing of the literal data and flushes the stream // It does not close bOut so this is ok here lGen.close(); // Generate the signature sGen.generate().encode(bOut); // Must not close bOut here bOut.finish(); bOut.flush(); cGen.close(); } catch (PGPException e) { throw e; } catch (Exception e) { throw new PGPException("Error in signing", e); } }