public ChunkedCipherInputStream(DocumentInputStream dis, long size, AgileDecryptor ag)
{
try
{
_size = size;
_stream = dis;
_ag = ag;
_cipher = _ag.GetCipher(_ag.Info.Header.Algorithm,
_ag.Info.Header.CipherMode,
_ag.SecretKey, _ag.Info.Header.KeySalt);
}
catch (System.Security.Cryptography.CryptographicException ex)
{
throw ex;
}
}
public void TestCertificateEncryption1()
{
POIFSFileSystem fs = new POIFSFileSystem();
EncryptionInfo info = new EncryptionInfo(EncryptionMode.Agile, CipherAlgorithm.aes128, HashAlgorithm.sha1, -1, -1, ChainingMode.cbc);
AgileEncryptionVerifier aev = (AgileEncryptionVerifier)info.Verifier;
CertData certData = loadKeystore();
aev.AddCertificate(certData.x509);
Encryptor enc = info.Encryptor;
enc.ConfirmPassword("foobaa");
FileStream file = POIDataSamples.GetDocumentInstance().GetFile("VariousPictures.docx");
//InputStream fis = new FileInputStream(file);
byte[] byteExpected = IOUtils.ToByteArray(file);
//fis.Close();
Stream os = enc.GetDataStream(fs);
IOUtils.Copy(new MemoryStream(byteExpected), os);
os.Close();
MemoryStream bos = new MemoryStream();
fs.WriteFileSystem(bos);
bos.Close();
fs = new POIFSFileSystem(new MemoryStream(bos.ToArray()));
info = new EncryptionInfo(fs);
AgileDecryptor agDec = (AgileDecryptor)info.Decryptor;
bool passed = agDec.VerifyPassword(certData.keypair, certData.x509);
Assert.IsTrue(passed, "certificate verification failed");
Stream fis = agDec.GetDataStream(fs);
byte[] byteActual = IOUtils.ToByteArray(fis);
fis.Close();
Assert.That(byteExpected, Is.EqualTo(byteActual));
}
public ChunkedCipherInputStream(DocumentInputStream dis, long size, AgileDecryptor ag)
{
try
{
_size = size;
_stream = dis;
_ag = ag;
_cipher = _ag.GetCipher(_ag.Info.Header.Algorithm,
_ag.Info.Header.CipherMode,
_ag.SecretKey, _ag.Info.Header.KeySalt);
}
catch (System.Security.Cryptography.CryptographicException ex)
{
throw ex;
}
}