bool Updater::encryptZipFile(const char* szPatchFile, const char* szNewPatchFile) const
{
//参数检查
assert(szPatchFile);
if(!szPatchFile || szPatchFile[0]==0)
{
setLastError(AXP_ERR_PARAM);
return false;
}
//拷贝文件
if(compareTwoFileName(szPatchFile, szNewPatchFile) != 0)
{
if(!CopyFile(szPatchFile, szNewPatchFile, FALSE))
{
setLastError(AXP_ERR_FILE_WRITE, "File=%s, WinErr: %d", szNewPatchFile, GetLastError());
return false;
}
}
bool isCrced = checkCRCFlag(szNewPatchFile);
//加密/解密
if(!encryptFile(szNewPatchFile, isCrced)) return false;
//加上校验尾
return attachCRCFlag(szNewPatchFile);
}
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();
}
/**
* 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 NewEntryDlg::on_pathBtn_clicked()
{
if(mIsFileMode)
encryptFile();
else
encryptDir();
}
// 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;
}
// 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;
}
/**
* Process public key and random number received from other user.
* Encrypt facial recognition parameters.
*/
bool thirdMessage() {
cout << "Third Message" << endl;
// Split received file into random number and public key
vector<string> outputFiles;
outputFiles.push_back(OTHER_FIRST_MESSAGE_RANDOM_NUMBER);
outputFiles.push_back(OTHER_PUBLIC_KEY_FILE_NAME);
vector<int> bytesPerFile;
bytesPerFile.push_back(RANDOM_NUMBER_SIZE);
splitFile(FIRST_MESSAGE_REPLY_FILE_NAME, outputFiles, bytesPerFile);
// Read from file
SecByteBlock privateKey;
SecByteBlock otherPublicKey;
readFromFile(PRIVATE_KEY_FILE_NAME, privateKey);
readFromFile(OTHER_PUBLIC_KEY_FILE_NAME, otherPublicKey);
// Compute shared secret
SecByteBlock sharedSecret;
if (!diffieHellmanSharedSecretAgreement(sharedSecret, otherPublicKey, privateKey)) {
cerr << "Security Error in thirdMessage. Diffie-Hellman shared secret could not be agreed to." << endl;
return false;
}
// Compute key from shared secret
SecByteBlock key;
generateSymmetricKeyFromSharedSecret(key, sharedSecret);
// Write shared secret and computed key to file
writeToFile(SHARED_SECRET_FILE_NAME, sharedSecret);
writeToFile(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);
// Encrypt facial recognition params
encryptFile(FACIAL_RECOGNITION_FILE_NAME,
THIRD_MESSAGE_FILE_NAME,
key, curIv);
return true;
}
bool callFunction(std::string get, int scramblers[3+1][26], int shift[3], int rotor[3]){
// make input string lower case
for(size_t i = 0, n = get.length(); i < n; i++)
get[i] = tolower(get[i]);
if(get.compare("end") == 0)
return false;
if(get.compare("help") == 0)
help();
else if(get.compare("generate_key") == 0 or get.compare("gk") == 0)
generateKey();
else if(get.compare("generate_scrambler") == 0 or get.compare("gs") == 0)
generateScrambler(scramblers);
else if(get.compare("set_key") == 0 or get.compare("sk") == 0)
setKey(scramblers);
else if(get.compare("encrypt") == 0 or get.compare("e") == 0)
encrypt(scramblers, shift, rotor);
else if(get.compare("set_shift") == 0 or get.compare("ss") == 0)
setShift(shift);
else if(get.compare("set_rotor") == 0 or get.compare("sr") == 0)
setRotor(rotor);
else if(get.compare("reset_shift") == 0 or get.compare("rs") == 0)
resetShift(shift);
else if(get.compare("print_shift") == 0 or get.compare("ps") == 0)
printShift(shift);
else if(get.compare("print_rotor") == 0 or get.compare("pr") == 0)
printRotor(rotor);
else if(get.compare("encrypt_file") == 0 or get.compare("ef") == 0)
encryptFile(scramblers, shift, rotor);
else if(get.compare("capitalize") == 0 or get.compare("c") == 0)
capitalize();
else if(get.compare("set_plugboard") == 0 or get.compare("sp") == 0)
setPlugboard();
else if(get.compare("save") == 0 or get.compare("s") == 0)
save(scramblers, shift, rotor);
else if(get.compare("load") == 0 or get.compare("l") == 0)
load(scramblers, shift, rotor);
else
unrecognized();
return true;
}
int C3dsTool::Action()
{
if (m_eAction == kActionExtract)
{
if (!extractFile())
{
printf("ERROR: extract file failed\n\n");
return 1;
}
}
if (m_eAction == kActionCreate)
{
if (!createFile())
{
printf("ERROR: create file failed\n\n");
return 1;
}
}
if (m_eAction == kActionEncrypt)
{
if (!encryptFile())
{
printf("ERROR: encrypt file failed\n\n");
return 1;
}
}
if (m_eAction == kActionUncompress)
{
if (!uncompressFile())
{
printf("ERROR: uncompress file failed\n\n");
return 1;
}
}
if (m_eAction == kActionCompress)
{
if (!compressFile())
{
printf("ERROR: compress file failed\n\n");
return 1;
}
}
if (m_eAction == kActionTrim)
{
if (!trimFile())
{
printf("ERROR: trim file failed\n\n");
return 1;
}
}
if (m_eAction == kActionPad)
{
if (!padFile())
{
printf("ERROR: pad file failed\n\n");
return 1;
}
}
if (m_eAction == kActionDiff)
{
if (!diffFile())
{
printf("ERROR: create patch file failed\n\n");
return 1;
}
}
if (m_eAction == kActionPatch)
{
if (!patchFile())
{
printf("ERROR: apply patch file failed\n\n");
return 1;
}
}
if (m_eAction == kActionSample)
{
return sample();
}
if (m_eAction == kActionHelp)
{
return Help();
}
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;
}
int main()
{
int newpwd, newpwda; // 更改密码时，用户两次输入的新密码
char sourcefile[30], // 加密/解密的文件名
targetFile[30], // 解密/加密后要保存的文件名
secretKey[21], // 文件加密的密钥
action; // 要进行的操作
// 操作前先校验使用密码
if(!checkPwd(1))
{
printf("Sorry,check failed!please press any key to quit...\n");
getch();//吃掉按键不回显
exit(1);
}
// 密码校验成功，进入程序
while(1)
{
system("cls"); // 清屏
printMenu(); // 显示菜单
scanf("%c",&action); // 输入要执行的操作
fflush(stdin); // 清空stdin缓冲区
system("cls");
switch(action)
{
case 'z':
printf("Bye!");
exit(0);
break;
case 'a':
while(1)
{
printf("Enter the name of sourcefile(route):\n");
scanf("%s", sourcefile);
printf("Enter secretkey:\n"); //密钥是用户自己定义的，可以随意给需要加密的文件添加密钥
scanf("%s", secretKey);
printf("Enter the name of targetfile(route):\n"); //给加密后的文件命名，并保存
scanf("%s",targetFile);
if( encryptFile(sourcefile, secretKey, targetFile) )
{
printf("Congratulation!,encrypt [%s] successfully,save in[%s].\n", sourcefile, targetFile);
}
if(redo() == 'a') // 继续加密文件
{
system("cls");
}
else // 回到主菜单
{
break;
}
}
break;
case 'b':
while(1)
{
printf("Enter the name of sourcefile(route):\n");
scanf("%s",sourcefile);
printf("Enter secretkey:\n");
scanf("%s",secretKey);
printf("Enter the name of targetfile(route):\n"); //对解密的文件系统又可以提供保存路径
scanf("%s", targetFile);
if( encryptFile(sourcefile, secretKey, targetFile) )
{
printf("Congratulation!,decrypt [%s] successfully,save in[%s].\n", sourcefile, targetFile);
}
if(redo() == 'a') // 继续解密文件
{
system("cls");
}
else
{
break; // 回到主菜单
}
}
break;
case 'c':
while(1)
{
if(!checkPwd(2))
{
printf("Sorry,check failed!please press any key to quit...\n");
getch();
exit(0);
}
printf("Please enter new password\n");
scanf("%d",&newpwd);
printf("Please enter new password again\n");
scanf("%d",&newpwda);
if(newpwd==newpwda) // 两次输入密码相同才成功
{
password = newpwd;
printf("Congrarulation!Change password successfully!\n");
}
else
{
printf("Sorry,twice enter is not same,change failed!\n");
}
if(redo() == 'a') // 继续修改密码
{
system("cls");
}
else // 回到主菜单
{
break;
}
}
break;
default:
printf("No such choice,please press any key back to menu...\n");
getch();
}
}
return 0;
}
// header and do while switch that keeps showing you options until you exit
int main(){
int choice;
printf("Roncon Contact Directory\n");
printf("========================\n");
initList();
load();
do{
choice = showMenu();
switch(choice){
case 0: // exit
printf("Goodbye\n");
break;
case 1: // view all
printf("View all:\n");
if(listHead->next != listTail){
view();
}
else{
printf("No contacts\n");
}
break;
case 2: // search
printf("Search:\n");
if(encrypted){
printf("Decrypt file first!\n");
}
else{
search();
}
break;
case 3: // add
printf("Add: \n");
if(encrypted){
printf("Decrypt file first!\n");
}
else{
add();
}
break;
case 4: // remove
printf("Remove:\n");
if(encrypted){
printf("Decrypt file first!\n");
}
else{
rem();
}
break;
case 5: // edit
printf("Edit:\n");
if(encrypted){
printf("Decrypt file first!\n");
}
else{
edit();
}
break;
case 6: // sort
printf("Sort:\n");
if(listHead->next != listTail){
sort();
}
else{
printf("No contacts\n");
}
break;
case 7: // encrypt
printf("En/Decrypt:\n");
encryptFile();
break;
default:
printf("Not a valid number, re-enter.\n");
break;
} // switch
}while(choice != 0);
save();
printf("\n\n");
system("pause");
} // main
int clientUploadFile(BIO *conn, char *filename) {
/* CALCULATE AND STORE ANY RECORDS OF THIS FILE WE NEED
* BEFORE UPLOADING IT */
FILE *ifp = fopen(filename, "rb");
if ( ifp == NULL ) return NO_SUCH_FILE;
//generate key and iv for encryption
unsigned char *key = randomBytes(32);
unsigned char *iv = randomBytes(32);
//encrypt the file
int status = encryptFile(filename, TEMP_ENCRYPTED_FILENAME, key, iv);
if(status == -1) {
fprintf(stderr, "Failed to encrypt %s in clientUploadFile()\n", filename);
return -1;
}
//we need to store NUM_HASHES salts and digests for later verification
unsigned char *salts[NUM_HASHES];
unsigned char *hashes[NUM_HASHES];
for(int i=0; i<NUM_HASHES; ++i) {
//generate a random salt
salts[i] = randomBytes(SALT_LENGTH);
//compute the digest for the file with that salt
hashes[i] = calculateMD5(TEMP_ENCRYPTED_FILENAME, salts[i], SALT_LENGTH);
if(hashes[i] == NULL) {
fprintf(stderr, "Failed to calculate digest in clientUploadFile()\n");
return -1;
}
}
//store all this data for later
status = addRecord(filename, 0, hashes, salts, key, iv);
if(status == -1) {
fprintf(stderr, "addRecord() failed for in clientUploadFile()\n");
return -1;
}
//free the memory we allocated above
for(int i=0; i < NUM_HASHES; ++i) {
free(salts[i]);
free(hashes[i]);
}
free(key);
free(iv);
/* START THE ACTUAL COMMUNICATION WITH THE SERVER */
//send the code which causes the server to call serverUploadFile()
if(writeInt(conn, UPLOAD_FILE_CODE) == -1) return -1;
//send the fileSize
int fileSize = sizeOfFile(TEMP_ENCRYPTED_FILENAME);
if(writeInt(conn, fileSize) == -1) return -1;
printf("NOTE: Original size: %f MB. Encrypted size: %f MB.\n", (double)sizeOfFile(filename)/MEGABYTE, (double)fileSize/MEGABYTE);
//wait for an int telling us the balance owing
unsigned int fee = readInt(conn);
if(fee > 0) {
printf("Purchase %d more cloud dollar(s) to upload this file.\n", fee);
removeRecord(filename);
return -1;
}
else if(fee < 0) return -1;
//send the file
if(writeFile(conn, TEMP_ENCRYPTED_FILENAME, filename) < 1) return -1;
unlink( TEMP_ENCRYPTED_FILENAME );
printf("Succesfully uploaded the file.\n");
return 0;
}