public RecordInputStream createDecryptingStream(InputStream original) {
FilePassRecord fpr = _filePassRec;
String userPassword = Biff8EncryptionKey.getCurrentUserPassword();
Biff8EncryptionKey key;
if (userPassword == null) {
key = Biff8EncryptionKey.create(fpr.getDocId());
} else {
key = Biff8EncryptionKey.create(userPassword, fpr.getDocId());
}
if (!key.validate(fpr.getSaltData(), fpr.getSaltHash())) {
throw new EncryptedDocumentException(
(userPassword == null ? "Default" : "Supplied")
+ " password is invalid for docId/saltData/saltHash");
}
return new RecordInputStream(original, key, _initialRecordsSize);
}
