Refactor, improved readability

header.h

@@ -0,0 +1,76 @@
+//
+// Created by neo on 5/26/2023.
+//
+
+#ifndef WINDOWSXPKG_HEADER_H
+#define WINDOWSXPKG_HEADER_H
+
+#include <cassert>
+#include <cstdio>
+#include <cstdint>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+#include <string>
+#include <vector>
+#include <unordered_map>
+
+#include <openssl/bn.h>
+#include <openssl/ec.h>
+#include <openssl/sha.h>
+#include <openssl/rand.h>
+
+#define PK_LENGTH           25
+#define NULL_TERMINATOR     1
+
+#define FIELD_BITS          384
+#define FIELD_BYTES         48
+#define FIELD_BITS_2003     512
+#define FIELD_BYTES_2003    64
+
+typedef unsigned char byte;
+typedef unsigned long ul32;
+
+extern char charset[];
+
+// util.cpp
+void endian(byte *data, int length);
+
+// key.cpp
+void unbase24(ul32 *byteSeq, char *cdKey);
+void base24(char *cdKey, ul32 *byteSeq);
+
+// cli.cpp
+void print_product_key(char *pk);
+void print_product_id(ul32 *pid);
+
+// xp.cpp
+bool verifyXPKey(EC_GROUP *eCurve, EC_POINT *generator, EC_POINT *publicKey, char *cdKey);
+void generateXPKey(char *pKey, EC_GROUP *eCurve, EC_POINT *generator, BIGNUM *order, BIGNUM *privateKey, ul32 *pRaw);
+
+// server.cpp
+
+struct ECDLP_Params {
+    //         p,           a,           b
+    std::tuple<std::string, std::string, std::string> E;
+
+    //         x,           y
+    std::tuple<std::string, std::string> K;
+
+    //         x,           y
+    std::tuple<std::string, std::string> G;
+
+    std::string n;
+    std::string k;
+};
+
+struct ProductID {
+    uint8_t SiteID;
+    uint16_t Serial;
+};
+
+extern std::unordered_map<std::string, std::unordered_map<int, std::string>> Products;
+extern std::unordered_map<std::string, ECDLP_Params> BINKData;
+void initBink();
+
+#endif //WINDOWSXPKG_HEADER_H