bool EncodingTable::load(const std::wstring& fileName, TextFile::Encoding encoding)
{
unsigned char hexBuffer[MAXHEXLENGTH];
TextFile input;
if (input.open(fileName,TextFile::Read,encoding) == false)
return false;
hexData.clear();
valueData.clear();
entries.clear();
setTerminationEntry((unsigned char*)"\0",1);
while (!input.atEnd())
{
std::wstring line = input.readLine();
if (line.empty() || line[0] == '*') continue;
if (line[0] == '/')
{
std::wstring hex = line.substr(1);
if (hex.empty() || hex.length() > 2*MAXHEXLENGTH)
{
// error
continue;
}
int length = parseHexString(hex,hexBuffer);
if (length == -1)
{
// error
continue;
}
setTerminationEntry(hexBuffer,length);
} else {
size_t pos = line.find(L'=');
std::wstring hex = line.substr(0,pos);
std::wstring value = line.substr(pos+1);
if (hex.empty() || value.empty() || hex.length() > 2*MAXHEXLENGTH)
{
// error
continue;
}
int length = parseHexString(hex,hexBuffer);
if (length == -1)
{
// error
continue;
}
addEntry(hexBuffer,length,value);
}
}
return true;
}
int main(int argc, char const *argv[]) {
uint8_t* input = parseHexString("1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736", 68);
int inputlen = 34;
char* message = breakSingleXOR(input, inputlen);
printf("Message: %s\n", message);
free(message);
return 0;
}
int main()
{
unsigned char* plaintext = "1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736";
unsigned char* plaintextDecoded;
int size = parseHexString(plaintext, &plaintextDecoded);
char key = solveSingleByteXor(plaintextDecoded, size);
unsigned char* decrypted;
singleByteXor(plaintextDecoded, key, size, &decrypted);
printf("%s\n", decrypted);
return 0;
}
static p_str*
parseRegularString(FILE *file) {
unsigned int len, p;
int ch;
p_str *ret;
uint8_t buf[BUFFSIZE];
bool skip = false;
ch = parseWhiteSpace(file);
if(ch == '(') {
p = 1;
ch = getc(file);
for(len=0; len < BUFFSIZE && p > 0 && ch != EOF; len++) {
buf[len] = ch;
if(skip == false) {
if(ch == '(')
p++;
else if(ch == ')')
p--;
if(ch == '\\')
skip = true;
}
else
skip = false;
ch = getc(file);
}
ungetc(ch, file);
ret = objStringToByte(buf, len);
}
else if(ch == '<') {
len = 0;
while(ch != '>' && len < BUFFSIZE && ch != EOF) {
if((ch >= '0' && ch <= '9') ||
(ch >= 'a' && ch <= 'f') ||
(ch >= 'A' && ch <= 'F')) {
buf[len++] = ch;
}
ch = getc(file);
}
ungetc(ch,file);
ret = parseHexString(buf,len);
}
else
ret = NULL;
return ret;
}
