//
byte[] text = { (byte)'h', (byte)'e', (byte)'l', (byte)'l', (byte)'o', (byte)' ', (byte)'w', (byte)'o', (byte)'r', (byte)'l', (byte)'d', (byte)'!', (byte)'\n' };
PGPObjectFactory pgpF = new PGPObjectFactory(enc1, new BcKeyFingerprintCalculator());
PGPEncryptedDataList encList = (PGPEncryptedDataList)pgpF.nextObject();
PGPPublicKeyEncryptedData encP = (PGPPublicKeyEncryptedData)encList.get(0);
pgpPrivKey = pgpPriv.getSecretKey(encP.getKeyID()).extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass));
InputStream clear = encP.getDataStream(new BcPublicKeyDataDecryptorFactory(pgpPrivKey));
pgpFact = new PGPObjectFactory(clear, new BcKeyFingerprintCalculator());
c1 = (PGPCompressedData)pgpFact.nextObject();
pgpFact = new PGPObjectFactory(c1.getDataStream(), new BcKeyFingerprintCalculator());
PGPLiteralData ld = (PGPLiteralData)pgpFact.nextObject();
bOut = new ByteArrayOutputStream();
if (!ld.getFileName().equals("test.txt"))
{
throw new RuntimeException("wrong filename in packet");
}
InputStream inLd = ld.getDataStream();
while ((ch = inLd.read()) >= 0)
{
bOut.write(ch);
}
if (!areEqual(bOut.toByteArray(), text))
{
fail("wrong plain text in decrypted packet");
}
//
// encrypt - short message
//
byte[] shortText = { (byte)'h', (byte)'e', (byte)'l', (byte)'l', (byte)'o' };
ByteArrayOutputStream cbOut = new ByteArrayOutputStream();
PGPEncryptedDataGenerator cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(SymmetricKeyAlgorithmTags.CAST5).setSecureRandom(new SecureRandom()));
PGPPublicKey puK = pgpPriv.getSecretKey(encP.getKeyID()).getPublicKey();
cPk.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(puK));
OutputStream cOut = cPk.open(new UncloseableOutputStream(cbOut), shortText.length);
cOut.write(shortText);
cOut.close();
pgpF = new PGPObjectFactory(cbOut.toByteArray(), new BcKeyFingerprintCalculator());
encList = (PGPEncryptedDataList)pgpF.nextObject();
encP = (PGPPublicKeyEncryptedData)encList.get(0);
pgpPrivKey = pgpPriv.getSecretKey(encP.getKeyID()).extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass));
PublicKeyDataDecryptorFactory dataDecryptorFactory = new BcPublicKeyDataDecryptorFactory(pgpPrivKey);
if (encP.getSymmetricAlgorithm(dataDecryptorFactory) != SymmetricKeyAlgorithmTags.CAST5)
{
fail("symmetric algorithm mismatch");
}
clear = encP.getDataStream(dataDecryptorFactory);
bOut.reset();
while ((ch = clear.read()) >= 0)
{
bOut.write(ch);
}
out = bOut.toByteArray();
if (!areEqual(out, shortText))
{
fail("wrong plain text in generated short text packet");
}
//
// encrypt
//
cbOut = new ByteArrayOutputStream();
cPk = new PGPEncryptedDataGenerator(new BcPGPDataEncryptorBuilder(SymmetricKeyAlgorithmTags.CAST5).setSecureRandom(new SecureRandom()));
puK = pgpPriv.getSecretKey(encP.getKeyID()).getPublicKey();
cPk.addMethod(new BcPublicKeyKeyEncryptionMethodGenerator(puK));
cOut = cPk.open(new UncloseableOutputStream(cbOut), text.length);
cOut.write(text);
cOut.close();
pgpF = new PGPObjectFactory(cbOut.toByteArray());
encList = (PGPEncryptedDataList)pgpF.nextObject();
encP = (PGPPublicKeyEncryptedData)encList.get(0);
pgpPrivKey = pgpPriv.getSecretKey(encP.getKeyID()).extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(pass));
clear = encP.getDataStream(new BcPublicKeyDataDecryptorFactory(pgpPrivKey));