public Boolean verifySignature(byte[] originalData, byte[] signedData) {
boolean verified = false;
try {
Signature sig = Signature.getInstance("SHA1withDSA", "SUN");
sig.initVerify(getPublicKey());
sig.update(originalData, 0, originalData.length);
verified = sig.verify(signedData);
} catch (SignatureException ex) {
ex.printStackTrace();
Logger.getLogger(SignatureVerifier.class.getName()).log(Level.SEVERE, null);
} catch (InvalidKeyException ex) {
ex.printStackTrace();
Logger.getLogger(SignatureVerifier.class.getName()).log(Level.SEVERE, null);
} catch (NoSuchAlgorithmException ex) {
ex.printStackTrace();
Logger.getLogger(SignatureVerifier.class.getName()).log(Level.SEVERE, null);
} catch (NoSuchProviderException ex) {
ex.printStackTrace();
Logger.getLogger(SignatureVerifier.class.getName()).log(Level.SEVERE, null);
}
return verified;
}
@Override
public void run() {
ChukasaModel chukasaModel = chukasaModelManagementComponent.get(adaptiveBitrateStreaming);
String streamPath = chukasaModel.getStreamPath();
String tempEncPath = chukasaModel.getTempEncPath();
int tsPacketLength = chukasaModel.getHlsConfiguration().getMpeg2TsPacketLength();
int seqTsEnc = 0; // getSeqTsEnc();
seqTsEnc = chukasaModel.getSeqTsEnc();
if (chukasaModel.getChukasaSettings().getStreamingType() == StreamingType.OKKAKE) {
seqTsEnc = chukasaModel.getSeqTsOkkake() - 1;
}
if (chukasaModel.isFlagLastTs()) {
seqTsEnc = chukasaModel.getSeqTsLast();
}
Key sKey;
Cipher c;
FileOutputStream keyOut;
FileWriter ivOut;
FileInputStream fis;
BufferedInputStream bis;
FileOutputStream fos;
CipherOutputStream cos;
try {
Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
sKey = makeKey(128); // Key length is 128bit
c = Cipher.getInstance("AES/CBC/PKCS7Padding", "BC");
c.init(Cipher.ENCRYPT_MODE, sKey);
// Set Key File Name at random
String keyPre = RandomStringUtils.randomAlphabetic(10);
keyOut = new FileOutputStream(streamPath + FILE_SEPARATOR + keyPre + seqTsEnc + ".key");
chukasaModel.getKeyArrayList().add(keyPre);
chukasaModel = chukasaModelManagementComponent.update(adaptiveBitrateStreaming, chukasaModel);
byte[] keyOutByte = sKey.getEncoded();
keyOut.write(keyOutByte);
keyOut.close();
byte[] iv = c.getIV();
String ivHex = "";
for (int i = 0; i < iv.length; i++) {
String ivHexTmp = String.format("%02x", iv[i]).toUpperCase();
ivHex = ivHex + ivHexTmp;
}
String ivPre = RandomStringUtils.randomAlphabetic(10);
ivOut = new FileWriter(streamPath + FILE_SEPARATOR + ivPre + seqTsEnc + ".iv");
ivOut.write(ivHex);
ivOut.close();
chukasaModel.getIvArrayList().add(ivHex);
chukasaModel = chukasaModelManagementComponent.update(adaptiveBitrateStreaming, chukasaModel);
fis =
new FileInputStream(
tempEncPath
+ FILE_SEPARATOR
+ chukasaModel.getChukasaConfiguration().getStreamFileNamePrefix()
+ seqTsEnc
+ chukasaModel.getHlsConfiguration().getStreamExtension());
bis = new BufferedInputStream(fis);
fos =
new FileOutputStream(
streamPath
+ FILE_SEPARATOR
+ chukasaModel.getChukasaConfiguration().getStreamFileNamePrefix()
+ seqTsEnc
+ chukasaModel.getHlsConfiguration().getStreamExtension());
cos = new CipherOutputStream(fos, c);
if (chukasaModel.getChukasaSettings().getStreamingType() == StreamingType.OKKAKE) {
// TODO:
fis =
new FileInputStream(
tempEncPath
+ FILE_SEPARATOR
+ "fileSequenceEncoded"
+ seqTsEnc
+ chukasaModel.getHlsConfiguration().getStreamExtension());
bis = new BufferedInputStream(fis);
fos =
new FileOutputStream(
streamPath
+ FILE_SEPARATOR
+ chukasaModel.getChukasaConfiguration().getStreamFileNamePrefix()
+ seqTsEnc
+ chukasaModel.getHlsConfiguration().getStreamExtension());
cos = new CipherOutputStream(fos, c);
}
byte[] buf = new byte[tsPacketLength];
int ch;
while ((ch = bis.read(buf)) != -1) {
cos.write(buf, 0, ch);
}
cos.close();
fos.close();
bis.close();
fis.close();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (NoSuchProviderException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}