/**
* Decrypt received facial recognition parameters.
* Encrypt facial recognition parameters.
*/
bool replyToThirdMessage() {
cout << "Reply To Third Message" << endl;
// Read session key from file
SecByteBlock key;
readFromFile(COMPUTED_KEY_FILE_NAME, key);
// Read in the current initialization vector from file
byte curIv[AES::BLOCKSIZE];
// TODO: actually read it in
// Set to 0 for now
memset(curIv, 0, AES::BLOCKSIZE);
// Decrypt received facial recognition params
if (!decryptFile(THIRD_MESSAGE_FILE_NAME,
RECEIVED_FACIAL_RECOGNITION_FILE_NAME,
key, curIv)) {
cerr << "Security Error in replyToThirdMessage. MAC could not be verified." << endl;
return false;
}
// Encrypt facial recognition params
encryptFile(FACIAL_RECOGNITION_FILE_NAME,
THIRD_MESSAGE_REPLY_FILE_NAME,
key, curIv);
return true;
}
void Thread::run()
{
qDebug()<<"run";
if (l_source_files.size()!=l_destination_files.size())
{
exec();
emit processFinished(encrypt);
return;
}
if (encrypt)
{
//encryptFile(v.toString().toLatin1().data(),dest_path.toLatin1().data(),text.toLatin1().data());
for (int i = 0; i< l_source_files.size(); i++)
{
emit setLabel("Encrypt: " + *l_source_files[i]);
encryptFile(l_source_files[i]->toLatin1().data(), l_destination_files[i]->toLatin1().data(), password.toLatin1().data());
}
}
else
{
for (int i = 0; i<l_source_files.size(); i++)
{
emit setLabel("Decrypt: " + *l_source_files[i]);
decryptFile(l_source_files[i]->toLatin1().data(), l_destination_files[i]->toLatin1().data(), password.toLatin1().data());
}
}
emit setLabel("");
emit processFinished(encrypt);
exec();
}
// Sets the color of the button to green if it was clicked and acts accordingly.
void RunManager::handleClick(string key) {
// If ECB makes button green and sets the cipher type accordingly.
if (key == "ECB") {
cipherType = 0;
ECBButton.setColor(sf::Color(0, 255, 0));
ECBText.setColor(sf::Color(0, 255, 0));
}
// Same but for CBC.
if (key == "CBC") {
cipherType = 1;
CBCButton.setColor(sf::Color(0, 255, 0));
CBCText.setColor(sf::Color(0, 255, 0));
}
// Etc.
if (key == "CTR") {
cipherType = 2;
CTRButton.setColor(sf::Color(0, 255, 0));
CTRText.setColor(sf::Color(0, 255, 0));
}
// If the encrypt button was clicked the program will encrypt the file based on the location given.
if (key == "encrypt")
encryptFile();
// If the decrypt button was clicked.
else if (key == "decrypt")
decryptFile();
// If encrypt file location was clicked.
if (key == "eFile") {
// Informs program the user is typing in the encryption file location.
typing = 1;
// Sets encryption file location color.
encryptFileSelector.setColor(sf::Color(0, 255, 0));
encryptFileLocationText.setColor(sf::Color(0, 255, 0));
decryptFileSelector.setColor(sf::Color(255, 255, 255));
decryptFileLocationText.setColor(sf::Color(0, 0, 0));
}
// Same but for decryption file location.
else if (key == "dFile") {
typing = 2;
decryptFileSelector.setColor(sf::Color(0, 255, 0));
decryptFileLocationText.setColor(sf::Color(0, 255, 0));
encryptFileSelector.setColor(sf::Color(255, 255, 255));
encryptFileLocationText.setColor(sf::Color(0, 0, 0));
}
// If the user was typing but selects a button other than the two file locations, it unhighlights them both and infroms the program the user has stopped typing.
if (typing && key != "eFile" && key != "dFile") {
typing = 0;
encryptFileSelector.setColor(sf::Color(255, 255, 255));
encryptFileLocationText.setColor(sf::Color(0, 0, 0));
decryptFileSelector.setColor(sf::Color(255, 255, 255));
decryptFileLocationText.setColor(sf::Color(0, 0, 0));
}
}
int main()
{
char sourceFileName[MAXLENGTH];
int encryptFileLength = MAXLENGTH + 11;
char encryptFileName[encryptFileLength];
char decryptFileName[encryptFileLength];
int encryptFile(char fileName[],char encryptFileName[]);
int decryptFile(char encryptfileName[],char decryptFileName[]);
printf("Enter the name of file\n");
scanf("%s",sourceFileName);
if (strlen(sourceFileName) > MAXLENGTH-1 || strlen(sourceFileName) < 1 )
{
printf("File name must be within range of 1 to %d\n",MAXLENGTH-1);
return 0;
}
sprintf(encryptFileName,"%s_encrypted",sourceFileName);
if (strlen(encryptFileName) > encryptFileLength-1 || strlen(encryptFileName) < 1 )
{
printf("File name must be within range of 1 to %d\n",encryptFileLength-1);
return 0;
}
sprintf(decryptFileName,"%s_decrypted",sourceFileName);
if (strlen(decryptFileName) > encryptFileLength-1 || strlen(decryptFileName) < 1 )
{
printf("File name must be within range of 1 to %d\n",encryptFileLength-1);
return 0;
}
if (encryptFile(sourceFileName,encryptFileName))
{
if (!decryptFile(encryptFileName,decryptFileName))
{
printf("File decryption failed \n");
return 0;
}
}
else
{
printf("File encryption failed \n");
return 0;
}
return 1;
}
// main is a menu method
int main (int argc, char *argv[]) {
int status = 0;
if (argv[1] != NULL
&& (strcmp(argv[1], "-e")
== 0 || strcmp(argv[1], "-d")
== 0 || strcmp(argv[1], "-h")
== 0)) {
if (argv[2] != NULL && argv[3] != NULL && argv[4] != NULL) {
if (strcmp(argv[1], "-e") == 0) {
// check for distance, defaults to 0.
if (argc == 6) {
status = encryptFile("%t %k %o %d", argv[3], argv[2], argv[4],
atoi(argv[5]));
} else {
status = encryptFile("%t %k %o", argv[3], argv[2], argv[4]);
}
} else if (strcmp(argv[1], "-d") == 0) {
status = decryptFile(argv[3], argv[2], argv[4]);
} else if (strcmp(argv[1], "-h") == 0) {
if (argv[5] != NULL) {
status = hackFile(argv[2], argv[3], argv[4], argv[5]);
} else {
printf("\nCorrect format is \"assignment2 -h <(targetfile).txt>");
printf(" <(outputFile).txt> <keyDir> <DictionaryDir>\"\n\n");
status = 0;
}
}
} else {
printf("\nCorrect format is \"assignment2 -[edh] "
"<(keyfile).txt)|(targetFile).txt>");
printf(" <(targetfile).txt|(outputFile).txt> "
"<(outputFile).txt|keyDir> [distance|<dictionaryDir>]\"\n\n");
status = 0;
}
} else {
printf("\nNot recognized control. \"-[edh]\"\n\n");
status = 0;
}
if (statusMessage != NULL) {
printf("%s", statusMessage);
}
return status;
}
/* Download the file with the given name from the server. If decrypt is 0
* then the file will not be decrypted, and will be left in TEMP_ENCRYPTED_FILENAME.
* If decrypt is not 0 then the file will be decrypted according to the clients
* records and saved under its original name. */
int clientDownloadFile(BIO *conn, char *filename, int decrypt) {
//trigger the server to call serverDownloadFile()
if(writeInt(conn, DOWNLOAD_FILE_CODE) == -1) return -1;
//send the server the filename we want to download
if ( writeString(conn, filename) < 1 ) return -1;
int status = readInt(conn);
if(status == -1) {
printf("No such file %s\n", filename);
return 0;
}
//receive the encrypted file, save to temporary file
status = recvFile(conn, TEMP_ENCRYPTED_FILENAME);
if ( status < 0 ) return -1;
if ( status == 5 ) return 5;
//if no decryption requested quit early
if(!decrypt) return 0;
//otherwise check our records to decrypt this file
FILERECORD *r = getRecord(filename);
if(r == NULL) {
printf("No record stored for this file, so no decryption performed.\n");
return -1;
}
//decrypt the file, and save with it's original name
status = decryptFile(TEMP_ENCRYPTED_FILENAME, filename, r->key, r->iv);
if ( status < 0 ) return -1;
unlink(TEMP_ENCRYPTED_FILENAME);
printf("Successfully downloaded %s\n", filename);
return 0;
}
int main(int argc,char **argv)
{
if(argc>2)
{
switch(decryptFile(argv[1],argv[2]))
{
case -1:
printf("Error opening File %s\r\n",argv[1]);
break;
case -2:
printf("Error opening File %s\r\n",argv[2]);
break;
default:
printf("Password removed\r\nDo the folowing now:\r\n");
printf("1. Open the excel sheet and press [ALT]+[F11]\r\n");
printf(" Confirm any errors that might appear\r\n");
printf("2. go to Tools > VBA project properties.\r\n");
printf("3. In the Tab \"Protection\" enter any password\r\n");
printf(" Do not clear the Checkbox!\r\n");
printf("4. Save, close the Editor, save the excel sheet and close it\r\n");
printf("5. Open it again\r\n");
printf("6. Repear step 1 and 2, there should be no errors\r\n");
printf("7. Clear the password checkbox in the \"protection\" tab\r\n");
printf("8. Repeat Steps 4 and 5.\r\n");
printf("9. Your password is gone!\r\n");
printf("\r\n");
printf("/u/AyrA_ch\r\n");
printf("\r\n");
break;
}
}
else
{
printf("excelDecrypt <input-filename> <output-filename>");
}
printf("\r\n");
return 0;
}
int main( int argc, char *argv[] )
{
std::string inputfile = "";
std::string outputfile = "";
std::string passphrase = "";
std::string publicKey = "";
bool encrypt = false,
decrypt = false,
keygen = false;
// set up command line options and
// check for help requests and usage errors
po::variables_map var_map;
try
{
init_program_options(argc, argv, &var_map);
}
catch( po::multiple_occurrences m )
{
std::cerr << "Error: Please use each options at most once."
<< std::endl << std::endl;
print_usage( argv[0] );
exit( 2 );
}
catch( ... )
{
std::cerr << "Error: unknown error in command line options."
<< std::endl << std::endl;
print_usage( argv[0] );
exit( 2 );
}
// no options -> print usage message
if( argc == 1 )
{
print_usage( argv[0] );
exit( 1 );
}
// check command line options
if( var_map.count("test") > 0 )
{
exit( run_tests() );
}
encrypt = (var_map.count("encrypt") > 0);
decrypt = (var_map.count("decrypt") > 0);
keygen = (var_map.count("create-key") > 0);
// check that the user only request one out of decrypt/encrypt/keygen
if( (int)decrypt + (int)encrypt + (int)keygen > 1 )
{
std::cerr << "You need to chose one of encrypt, decrypt and key-gen."
<< std::endl << std::endl;
print_usage( argv[0] );
exit( 2 );
}
if (var_map.count("pass") > 0) passphrase = var_map["pass"].as<std::string>();
if (var_map.count("input") > 0) inputfile = var_map["input"].as<std::string>();
if (var_map.count("output") > 0) outputfile = var_map["output"].as<std::string>();
if (var_map.count("key") > 0) publicKey = var_map["key"].as<std::string>();
quiet = (var_map.count("quiet") > 0);
// here comes the program logic
if( keygen )
{
if( passphrase == "" )
passphrase = prompt_password( "passphrase", true );
uint8_t publicKey[32];
if( generate_key( publicKey, passphrase ) )
std::cerr << "Public key: " << b64encode( publicKey );
else
std::cerr << "Failed to generate public key" << std::endl;
}
else if( encrypt )
{
if( inputfile == "" && publicKey == "" )
{
std::cerr << "Error: Public key needs to be given on "
<< "commandline when encrypting from stdin" << std::endl;
exit( 1 );
}
if( publicKey == "" )
publicKey = prompt_password( "public key" );
encryptFile( outputfile, inputfile, passphrase, publicKey );
}
else if( decrypt )
{
if( inputfile == "" && passphrase == "" )
{
std::cerr << "Error: passphrase needs to be given on "
<< "commandline when decrypting from stdin" << std::endl;
exit( 1 );
}
if( passphrase == "" )
passphrase = prompt_password( "passphrase", true );
decryptFile( outputfile, inputfile, passphrase );
}
else
{
print_usage( argv[0] );
exit( 0 );
}
return 0;
}
bool EncryptedStore::openRead(const QString& name)
{
Q_D(KOdfStore);
if (bad())
return false;
const KArchiveEntry* fileArchiveEntry = m_pZip->directory()->entry(name);
if (!fileArchiveEntry) {
return false;
}
if (fileArchiveEntry->isDirectory()) {
kWarning(30002) << name << " is a directory!";
return false;
}
const KZipFileEntry* fileZipEntry = static_cast<const KZipFileEntry*>(fileArchiveEntry);
delete d->stream;
d->stream = fileZipEntry->createDevice();
d->size = fileZipEntry->size();
if (m_encryptionData.contains(name)) {
// This file is encrypted, do some decryption first
if (m_bPasswordDeclined) {
// The user has already declined to give a password
// Open the file as empty
d->stream->close();
delete d->stream;
d->stream = new QBuffer();
d->stream->open(QIODevice::ReadOnly);
d->size = 0;
return true;
}
QCA::SecureArray encryptedFile(d->stream->readAll());
if (encryptedFile.size() != d->size) {
// Read error detected
d->stream->close();
delete d->stream;
d->stream = NULL;
kWarning(30002) << "read error";
return false;
}
d->stream->close();
delete d->stream;
d->stream = NULL;
KoEncryptedStore_EncryptionData encData = m_encryptionData.value(name);
QCA::SecureArray decrypted;
// If we don't have a password yet, try and find one
if (m_password.isEmpty()) {
findPasswordInKWallet();
}
while (true) {
QByteArray pass;
QCA::SecureArray password;
bool keepPass = false;
// I already have a password! Let's test it. If it's not good, we can dump it, anyway.
if (!m_password.isEmpty()) {
password = m_password;
m_password = QCA::SecureArray();
} else {
if (!m_filename.isNull())
keepPass = false;
QPointer<KPasswordDialog> dlg = new KPasswordDialog(d->window ,
keepPass ? KPasswordDialog::ShowKeepPassword : static_cast<KPasswordDialog::KPasswordDialogFlags>(0));
dlg->setPrompt(i18n("Please enter the password to open this file."));
if (! dlg->exec()) {
m_bPasswordDeclined = true;
d->stream = new QBuffer();
d->stream->open(QIODevice::ReadOnly);
d->size = 0;
delete dlg;
return true;
}
if (dlg) {
password = QCA::SecureArray(dlg->password().toUtf8());
if (keepPass)
keepPass = dlg->keepPassword();
if (password.isEmpty()) {
delete dlg;
continue;
}
}
delete dlg;
}
decrypted = decryptFile(encryptedFile, encData, password);
if (decrypted.isEmpty()) {
kError(30002) << "empty decrypted file" << endl;
return false;
}
if (!encData.checksum.isEmpty()) {
QCA::SecureArray checksum;
if (encData.checksumShort && decrypted.size() > 1024) {
// TODO: Eww!!!! I don't want to convert via insecure arrays to get the first 1K characters of a secure array <- fix QCA?
checksum = QCA::Hash("sha1").hash(QCA::SecureArray(decrypted.toByteArray().left(1024)));
} else {
checksum = QCA::Hash("sha1").hash(decrypted);
}
if (checksum != encData.checksum) {
continue;
}
}
// The password passed all possible tests, so let's accept it
m_password = password;
m_bPasswordUsed = true;
if (keepPass) {
savePasswordInKWallet();
}
break;
}
QByteArray *resultArray = new QByteArray(decrypted.toByteArray());
QIODevice *resultDevice = KFilterDev::device(new QBuffer(resultArray, NULL), "application/x-gzip");
if (!resultDevice) {
delete resultArray;
return false;
}
static_cast<KFilterDev*>(resultDevice)->setSkipHeaders();
d->stream = resultDevice;
d->size = encData.filesize;
}
d->stream->open(QIODevice::ReadOnly);
return true;
}
