void Node::generateKeysAES(void){
AutoSeededRandomPool rnd;
aeskey=SecByteBlock(0x00, AES::DEFAULT_KEYLENGTH);
rnd.GenerateBlock( aeskey, aeskey.size() );
rnd.GenerateBlock(iv, AES::BLOCKSIZE);
return;
}
CryptoPP::Integer RandomQuadraticResidue(CryptoPP::Integer p) {
AutoSeededRandomPool rng;
byte randomBytes[64];
rng.GenerateBlock(randomBytes, 64);
Integer t = Integer(randomBytes, 64);
return ModularExponentiation(t, 2, p);
}
void CUIntX::SetRandomValue()
{
using namespace CryptoPP;
AutoSeededRandomPool rng;
rng.GenerateBlock(GetData(), GetSize());
}
static string DES3(const string & text, const char * passwd = "", const char * stored_iv = "", const bool & encryption = true) {
const char * enhPwd(enhancePasswd(passwd, int(DES_EDE3::DEFAULT_KEYLENGTH)));
SecByteBlock key(strlen(enhPwd));
byte iv[DES_EDE3::BLOCKSIZE];
for(int i(0); i < strlen(enhPwd); ++i)
key[i] = enhPwd[i];
if(stored_iv == "") {
AutoSeededRandomPool prng;
prng.GenerateBlock(iv, sizeof(iv));
} else
for(int i(0); i < DES_EDE3::BLOCKSIZE; ++i)
iv[i] = (byte)stored_iv[i];
string cipher("");
try {
if(encryption) {
CBC_Mode< DES_EDE3 >::Encryption e;
e.SetKeyWithIV(key, key.size(), iv);
StringSource(text, true, new StreamTransformationFilter(e, new StringSink(cipher)));
cipher.append("\n").append((char *)iv);
} else {
CBC_Mode< DES_EDE3 >::Decryption d;
d.SetKeyWithIV(key, key.size(), iv);
StringSource(text, true, new StreamTransformationFilter(d, new StringSink(cipher)));
}
} catch(const CryptoPP::Exception & e) {
cerr << e.what() << endl;
exit(1);
}
return cipher;
}
std::string GenerateRandomSequence(size_t length) {
AutoSeededRandomPool rnd;
string result;
result.resize(length);
rnd.GenerateBlock((byte*)result.data(), length);
return result;
}
std::vector<unsigned char> ContainerController::get_pseudo_seed()
{
using namespace CryptoPP;
SecByteBlock b(32);
AutoSeededRandomPool prng;
prng.GenerateBlock(b, b.size());
return{ std::begin(b), std::end(b) };
}
CUInt128& CUInt128::setValueRandom(void)
{
AutoSeededRandomPool rng;
byte randomBytes[16];
rng.GenerateBlock(randomBytes, 16);
setValueBE( randomBytes );
return *this;
}
CUInt128& CUInt128::SetValueRandom()
{
AutoSeededRandomPool rng;
byte byRandomBytes[16];
rng.GenerateBlock(byRandomBytes, 16);
SetValueBE( byRandomBytes );
return *this;
}
int main(int argc, char* argv[])
{
(void)argc; (void)argv;
AutoSeededRandomPool prng;
SecByteBlock key(Blowfish::DEFAULT_KEYLENGTH);
prng.GenerateBlock( key, key.size() );
byte iv[ Blowfish::BLOCKSIZE ];
prng.GenerateBlock( iv, sizeof(iv) );
string ofilename = "puppy-and-teddy-orig.jpg";
string efilename = "puppy-and-teddy.enc";
string rfilename = "puppy-and-teddy-recovered.jpg";
try {
/*********************************\
\*********************************/
EAX< Blowfish >::Encryption e1;
e1.SetKeyWithIV( key, key.size(), iv, sizeof(iv) );
std::ifstream ifile("puppy-and-teddy-orig.jpg", ios::binary);
std::ifstream::pos_type size = ifile.seekg(0, std::ios_base::end).tellg();
ifile.seekg(0, std::ios_base::beg);
string temp;
temp.resize(size);
ifile.read((char*)temp.data(), temp.size());
StringSource ss1( temp, true,
new AuthenticatedEncryptionFilter( e1,
new FileSink( efilename.c_str() )
) // StreamTransformationFilter
); // StringSource
/*********************************\
\*********************************/
EAX< Blowfish >::Decryption d2;
d2.SetKeyWithIV( key, key.size(), iv, sizeof(iv) );
FileSource fs2( efilename.c_str(), true,
new AuthenticatedDecryptionFilter( d2,
new FileSink( rfilename.c_str() ),
AuthenticatedDecryptionFilter::THROW_EXCEPTION
) // StreamTransformationFilter
); // StringSource
} catch (const Exception& ex) {
cerr << ex.what() << endl;
}
return 0;
}
void DaStorKeyGenerator::work()
{
AutoSeededRandomPool rnd;
cout << "gen key in memery." << endl;
rnd.GenerateBlock(keyData, AES::DEFAULT_KEYLENGTH);
saveKeyFile();
saveKeyCpp();
}
bool CWSKey::Save(char *filename)
{
int version = WSK_VERSION;
char junk1[1234] = {0};
char junk2[3456] = {0};
char encrypt[sizeof(junk1)+sizeof(WSKey_key)+sizeof(junk2)] = {0};
FILE *file = 0;
// Set Seed Value
srand(GetTickCount()); // set Seed Value for Pseudo Random Number Generator
// Generate Junk Data
for (int x = 0; x < sizeof(junk1); x++) {
junk1[x] = (char) (-127 + (rand( ) % 127));
junk2[x] = (char) (-127 + (rand( ) % 127));
}
for (int x = sizeof(junk1); x < sizeof(junk2); x++) {
junk2[x] = (char) (0 + (rand( ) % 255));
}
// Encrypt ALL DATA BEFORE WRITE
AutoSeededRandomPool rnd;
// Generate a random key
byte key[AES::DEFAULT_KEYLENGTH];
rnd.GenerateBlock(key, AES::DEFAULT_KEYLENGTH);
// Generate a random IV
byte iv[AES::BLOCKSIZE];
rnd.GenerateBlock(iv, AES::BLOCKSIZE);
// Copy To Tmp Place, Then Encrypt
WSKey_key encrypt_key = this->m_key;
CFB_Mode<AES>::Encryption cfbEncryption(key, AES::DEFAULT_KEYLENGTH, iv);
cfbEncryption.ProcessData((byte*)junk1, (byte*)junk1, sizeof(junk1));
cfbEncryption.ProcessData((byte*)&encrypt_key, (byte*)&encrypt_key, sizeof(m_key));
cfbEncryption.ProcessData((byte*)junk2, (byte*)junk2, sizeof(junk2));
// Write Key File
file = fopen(filename, "wb");
if (file == 0) {
WSK_LOG("Failed To Open The Key File");
return false;
}
// Write Encrypted Key Data
fwrite(&version, sizeof(version), 1, file); // File Version
fwrite(junk1, sizeof(junk1), 1, file); // write junk
fwrite(&encrypt_key, sizeof(m_key), 1, file); // Write Key
// fwrite(&m_key, sizeof(m_key), 1, file); // Unencrypted Key
fwrite(key, sizeof(key), 1, file); // AES KEY
fwrite(iv, sizeof(iv), 1, file); // AES iv
fwrite(junk2, sizeof(junk2), 1, file); // write junk
// Close file
fclose(file);
return true;
}
int main(){
AutoSeededRandomPool rand;
SecByteBlock key(AES::DEFAULT_KEYLENGTH);
rand.GenerateBlock(key, key.size());
byte iv[AES::BLOCKSIZE];
rand.GenerateBlock(iv, sizeof(iv));
encryptFile("test.txt", key, iv);
decryptFile("encText.txt", key, iv);
}
AESParams genAESParams(){
AESParams params;
AutoSeededRandomPool rnd;
SecByteBlock key(0x00, AES::DEFAULT_KEYLENGTH);
SecByteBlock iv(0x00, AES::BLOCKSIZE);
rnd.GenerateBlock(iv, AES::BLOCKSIZE);
rnd.GenerateBlock(key, AES::DEFAULT_KEYLENGTH);
params.key = key;
params.iv = iv;
return params;
}
string RNEncryptor::generateIv(int length)
{
AutoSeededRandomPool prng;
byte iv[length + 1];
prng.GenerateBlock(iv, length);
iv[length] = '\0';
string ivString = string((char *)iv);
return ivString;
}
void MyAES::GenerateKey()
{
AutoSeededRandomPool rnd;
byte key1[AES::DEFAULT_KEYLENGTH];
rnd.GenerateBlock(key1, AES::DEFAULT_KEYLENGTH);
// Generate a random IV
byte iv1[AES::BLOCKSIZE];
rnd.GenerateBlock(iv1, AES::BLOCKSIZE);
SetKey(key1, iv1, 16);
}
byte* generateRandomSalt(int size=DEFAULT_SALT_SIZE)
{
// Get a random number generator from the OS
AutoSeededRandomPool rng;
byte* salt = new byte[size];
// fill the variable with zeros
memset(salt, 0, size);
rng.GenerateBlock(salt, size);
return salt;
}
byte*
CryptoBackend::generateIV()
{
AutoSeededRandomPool rnd;
byte *iv = (byte*) calloc(AES::BLOCKSIZE, sizeof(byte));
if (iv == NULL) {
}
rnd.GenerateBlock(iv, AES::BLOCKSIZE);
return iv;
}
byte*
CryptoBackend::generateSalt()
{
AutoSeededRandomPool rnd;
byte *salt = (byte*) calloc(DEFAULT_SALT_LEN, sizeof(byte));
if (salt == NULL) {
}
rnd.GenerateBlock(salt, DEFAULT_SALT_LEN);
return salt;
}
int HASH224_message(char* message, int len,
char* hash_message, int hash_len)
{
AutoSeededRandomPool prng;
SecByteBlock key(16);
prng.GenerateBlock(key, key.size());
string plain;
CharToString(plain, message, len);
string mac, encoded;
encoded.clear();
StringSource(key, key.size(), true,
new HexEncoder(
new StringSink(encoded)
)
); //StringSource
try
{
HMAC<SHA224> hmac(key, key.size());
StringSource(plain, true,
new HashFilter(hmac,
new StringSink(mac)
)
);
}
catch(const CryptoPP::Exception& e)
{
cerr<<e.what()<<endl;
return 0;
exit(1);
}
encoded.clear();
StringSource(mac, true,
new HexEncoder(
new StringSink(encoded)
)
);
if(hash_len <= encoded.length())
return -1;
StringToChar(encoded, hash_message);
return (int)encoded.length();
}
std::string GenRandomStr(int min,int max)
{
using namespace CryptoPP;
assert(min>0&&max>0&&min<=max);
AutoSeededRandomPool asrng;
unsigned slen=asrng.GenerateWord32(min,max);
std::string out(slen,0);
for(int i=0;i<slen;i++)
{
out[i]=(char)asrng.GenerateWord32(32,126);
}
return out;
}
unsigned int rcry_setCryptoContext(struct ree_ccontext_t *newContext)
{
if (newContext == NULL) return 0x65;
// This means that a new IV needs to be made. Yay!
if (newContext->fresh != 0)
{
// TODO: Figure out how to make this code less ugly!
AutoSeededRandomPool prng;
if (target == RCRY_RIJNDAEL)
{
byte iv[AES::BLOCKSIZE];
prng.GenerateBlock(iv, sizeof(iv));
byte *final_iv = (byte*) malloc(sizeof(iv));
memcpy(final_iv, iv, sizeof(final_iv) * 2);
newContext->iv = final_iv;
CryptoPP::SecureWipeArray(iv, sizeof(iv));
}
else if (target == RCRY_TWOFISH)
{
byte iv[Twofish::BLOCKSIZE];
prng.GenerateBlock(iv, sizeof(iv));
byte *final_iv = (byte*) malloc(sizeof(iv));
memcpy(final_iv, iv, sizeof(final_iv));
newContext->iv = final_iv;
CryptoPP::SecureWipeArray(iv, sizeof(iv));
}
else return 0x66;
// Make sure to update the fresh variable.
newContext->fresh = 0;
}
// Now go ahead, zero the old context and write over the new!
CryptoPP::SecureWipeArray(&context, sizeof(context));
context = newContext;
cout << "TARGET: " << target << endl;
return 0;
}
int main(int argc, char* argv[])
{
std::clock_t start,finish;
start=clock();
AutoSeededRandomPool prng;
/* generate key for mac */
unsigned char key1[16];
prng.GenerateBlock(key1, sizeof(key1));
/* generate key for encrypt */
unsigned char key2[AES::DEFAULT_KEYLENGTH];
prng.GenerateBlock(key2, sizeof(key2));
string encoded1,encoded2;
encoded1.clear();
encoded2.clear();
StringSource(key1, sizeof(key1), true,
new HexEncoder(
new StringSink(encoded1)
)
);
cout << "key for mac is:" << key1 <<endl;
cout << "hexadecimal key for mac is: " << encoded1 << endl;
StringSource(key2, sizeof(key2), true,
new HexEncoder(
new StringSink(encoded2)
)
);
cout << "key for encrypt is:" << key2 <<endl;
cout << "hexadecimal key for encrypto is: " << encoded2 << endl;
std::fstream f("key.txt",std::ios::out);
f<<encoded1<<endl;
f<<encoded2<<endl;
f.close();
finish=clock();
cout<< "the keygen running time is " << difftime(finish,start) << " ms" << endl;
return 0;
}
void testPuzzle()
{
Puzzle p(2);
cout << "base: " << p.getBase() << endl;
AutoSeededRandomPool rnd;
SecByteBlock key(0x00, AES::MAX_KEYLENGTH);
rnd.GenerateBlock(key, key.size());
// setup & solve
Integer n;
auto ckey = p.setup(key, 10, n);
auto keyback = p.solve(ckey, 10, n);
assert(key == keyback);
cout << "Key converted back successfully!" << endl;
// funcdur
auto samples = p.funcdur(1000, seconds(5), nanoseconds(1000));
for (auto& s : samples)
cout << s.first << ": " << s.second.count() << endl;
}
string makeNonce() {
const unsigned int BLOCKSIZE = 4;
byte scratch[BLOCKSIZE];
AutoSeededRandomPool prng;
prng.GenerateBlock(scratch, BLOCKSIZE);
unsigned int nonceInt = 0;
for (int i = (BLOCKSIZE - 1); i >= 0; i--) {
nonceInt += (nonceInt << 8) + scratch[i];
}
ostringstream oss;
oss << nonceInt;
string nonceStr = oss.str();
return nonceStr;
}
const QByteArray& AESAlgorithmCBCMode::generateKey(int keySize, int blockSize)
{
byte *key;
byte *iv;
keySize = keySize < 0 ? m_allowedKeySizes.first() : keySize;
blockSize = blockSize < 0 ? m_allowedBlockSizes.first() : blockSize;
if (!m_allowedKeySizes.contains(keySize)
|| !m_allowedBlockSizes.contains(blockSize)) {
throw SymmetricAlgorithmException("Unsupported IV or Key length");
}
m_key.clear();
m_iv.clear();
AutoSeededRandomPool prng;
key = new byte[keySize];
iv = new byte[blockSize];
try {
//generate random key and iv
prng.GenerateBlock(key, keySize);
prng.GenerateBlock(iv, blockSize);
//try to set them
m_aesEncryption.SetKeyWithIV(key, keySize, iv);
m_aesDecryption.SetKeyWithIV(key, keySize, iv);
m_key = QByteArray(reinterpret_cast<const char*>(key), keySize);
m_iv = QByteArray(reinterpret_cast<const char*>(iv), blockSize);
} catch (const CryptoPP::Exception& e) {
delete[] key;
delete[] iv;
throw SymmetricAlgorithmException(e.what());
}
delete[] key;
delete[] iv;
return m_key;
}
int Cryption::encrypt(int fd){
AutoSeededRandomPool prng;
string encryptedBytes, encodedKey, decodedKey;
encodedKey = getKey();
cout<<"Encode: "<<encodedKey<<endl;
StringSource(encodedKey, true, new HexDecoder(new StringSink(decodedKey)));
cout<<"Decode: "<<decodedKey<<endl;
const byte* ebyteKey = (const byte*) decodedKey.data();
string encodedIV;
//createIV
byte IVBytes[AES::BLOCKSIZE];
prng.GenerateBlock(IVBytes, sizeof(IVBytes));
StringSource(IVBytes, sizeof(IVBytes), true, new HexEncoder(new StringSink(encodedIV)));
encryptedBytes = read(fd);
string encryptedContents;
//Encrypting the file contents
try{
CBC_Mode< AES >::Encryption e;
e.SetKeyWithIV(ebyteKey, CryptoPP::AES::DEFAULT_KEYLENGTH, IVBytes);
StringSource file(encryptedBytes, true, new StreamTransformationFilter(e,new StringSink(encryptedContents)));
}
catch( const CryptoPP::Exception& e ){
cerr << e.what() << endl;
exit(1);
}
string output = encodedIV + encryptedContents;
const char *bufContents = output.c_str();
ssize_t WriteLength = pwrite(fd, bufContents, output.length(), 0);
ftruncate(fd, output.length());
return 0;
}
void initAES() {
SecByteBlock key(0x00, AES::DEFAULT_KEYLENGTH);
rng.GenerateBlock(key, key.size());
byte initVector[AES::BLOCKSIZE];
rng.GenerateBlock(initVector, AES::BLOCKSIZE);
printf("sending aes... ");
string aesInform;
for (int i = 0; i < AES::DEFAULT_KEYLENGTH; i++)
aesInform.push_back(*(key.BytePtr() + i));
for (int i = 0; i < AES::BLOCKSIZE; i++)
aesInform.push_back(initVector[i]);
aesInform = encryptRSA(aesInform);
aesInform = base64_encode((unsigned char*)(aesInform.c_str()), aesInform.size());
send(mainSocket, aesInform.c_str(), aesInform.size(), 0);
printf("sended\n");
cfbEncryption = new CFB_Mode<AES>::Encryption(key, key.size(), initVector);
cfbDecryption = new CFB_Mode<AES>::Decryption(key, key.size(), initVector);
recvDecrypted();
if (strncmp("vtyulb", buf, 6) == 0)
printf("server authorized\n");
else {
printf("false server??\n");
initNET();
initAES();
return;
}
}
unsigned int rcry_generateKey(ree_crypto_t ctype, byte **key)
{
AutoSeededRandomPool prng;
if (ctype == RCRY_RIJNDAEL)
{
(*key) = (byte*) malloc(AES::MAX_KEYLENGTH);
prng.GenerateBlock((*key), sizeof((*key)));
}
else if (ctype == RCRY_TWOFISH)
{
(*key) = (byte*) malloc(AES::MAX_KEYLENGTH);
prng.GenerateBlock((*key), sizeof((*key)));
}
else
{
cerr
<< "Unknown encryption scheme. Please pick one from the available or go f**k yourself!"
<< endl;
return 0xFA;
}
return 0;
}
size_t CRandomPasswordGen::getRandomSymbolIndex(void) const
{
uint32_t RandomNumber;
size_t const Symbols = mAlphabet.getMaxLength();
size_t const MaxRandomNumber = ((uint64_t)1 << (uint64_t)sizeof(RandomNumber)*8)-1;
size_t const Blocks = MaxRandomNumber / Symbols;
do
{
RandomGenerator.GenerateBlock(reinterpret_cast<uint8_t *>(&RandomNumber), sizeof(RandomNumber));
} while(RandomNumber > (Blocks * Symbols)-1);
size_t const Index = RandomNumber % Symbols;
return Index;
}
int main() {
AutoSeededRandomPool rnd;
byte key[AES_LENGTH];
array<byte, AES_LENGTH> akey;
vector<byte> vkey(AES_LENGTH);
rnd.GenerateBlock(key, sizeof(key));
rnd.GenerateBlock(akey.data(), akey.size());
rnd.GenerateBlock(vkey.data(), vkey.size());
for(int s = 0; s < 100000; s += 100){
vector<byte> msg(s);
rnd.GenerateBlock(msg.data(), msg.size());
auto cipher = enc(key, msg);
auto recovered = dec(key, cipher);
if (recovered != msg) {
cerr << "ERR key" << endl;
return;
}
}
for(int s = 0; s < 100000; s += 100){
vector<byte> msg(s);
rnd.GenerateBlock(msg.data(), msg.size());
auto cipher = enc(akey, msg);
auto recovered = dec(akey, cipher);
if (recovered != msg) {
cerr << "ERR akey" << endl;
return;
}
}
for(int s = 0; s < 100000; s += 100){
vector<byte> msg(s);
rnd.GenerateBlock(msg.data(), msg.size());
auto cipher = enc(vkey, msg);
auto recovered = dec(vkey, cipher);
if (recovered != msg) {
cerr << "ERR vkey" << endl;
return;
}
}
}
