diff options
Diffstat (limited to 'src/encryption_functions.cpp')
| -rw-r--r-- | src/encryption_functions.cpp | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/src/encryption_functions.cpp b/src/encryption_functions.cpp deleted file mode 100644 index 6669fe15..00000000 --- a/src/encryption_functions.cpp +++ /dev/null @@ -1,58 +0,0 @@ -#include "encryption_functions.h" - -#include "hex_functions.h" - -QString fanta_encrypt(QString temp_input, unsigned int p_key) -{ - // using standard stdlib types is actually easier here because of implicit - // char<->int conversion which in turn makes encryption arithmetic easier - - unsigned int key = p_key; - unsigned int C1 = 53761; - unsigned int C2 = 32618; - - QVector<uint_fast8_t> temp_result; - std::string input = temp_input.toUtf8().constData(); - - for (unsigned int pos = 0; pos < input.size(); ++pos) { - uint_fast8_t output = input.at(pos) ^ (key >> 8) % 256; - temp_result.append(output); - key = (temp_result.at(pos) + key) * C1 + C2; - } - - std::string result = ""; - - for (uint_fast8_t i_int : temp_result) { - result += omni::int_to_hex(i_int); - } - - QString final_result = QString::fromStdString(result); - - return final_result; -} - -QString fanta_decrypt(QString temp_input, unsigned int key) -{ - std::string input = temp_input.toUtf8().constData(); - - QVector<unsigned int> unhexed_vector; - - for (unsigned int i = 0; i < input.length(); i += 2) { - std::string byte = input.substr(i, 2); - unsigned int hex_int = strtoul(byte.c_str(), nullptr, 16); - unhexed_vector.append(hex_int); - } - - unsigned int C1 = 53761; - unsigned int C2 = 32618; - - std::string result = ""; - - for (int pos = 0; pos < unhexed_vector.size(); ++pos) { - unsigned char output = unhexed_vector.at(pos) ^ (key >> 8) % 256; - result += output; - key = (unhexed_vector.at(pos) + key) * C1 + C2; - } - - return QString::fromStdString(result); -} |
