v2.2

Author: Endermanch

Keygen.vcxproj

@@ -171,6 +171,8 @@
     <Image Include="resources\ender.bmp" />
     <Image Include="resources\icon.ico" />
     <Image Include="resources\logo.bmp" />
+    <Image Include="resources\musicoff.bmp" />
+    <Image Include="resources\musicon.bmp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

Keygen.vcxproj.filters

@@ -45,5 +45,7 @@
     <Image Include="resources\icon.ico" />
     <Image Include="resources\ender.bmp" />
     <Image Include="resources\logo.bmp" />
+    <Image Include="resources\musicon.bmp" />
+    <Image Include="resources\musicoff.bmp" />
   </ItemGroup>
 </Project>

header.h

@@ -39,6 +39,7 @@
 #define IDC_INPUT2  1021
 
 #define IDC_IMAGE1  1050
+#define IDC_IMAGE2  1051
 
 #define IDC_LABEL1  1055
 #define IDC_LABEL2  1056
@@ -58,76 +59,78 @@ extern const long aXP;
 extern const long bXP;
 
 // xp.cpp
-int keyXP(
-    char *pKey,
-    ul32 *hash,
-    ul32 *sig,
-    ul32 nRaw
+bool keyXP(
+        char *pKey,
+        ul32 nRaw
 );
 
 void unpackXP(
         ul32 *serial,
         ul32 *hash,
         ul32 *sig,
         ul32 *raw
-        );
+);
 
 void packXP(
         ul32 *raw,
         ul32 *serial,
         ul32 *hash,
         ul32 *sig
-        );
+);
 
-void verifyXPKey(
+bool verifyXPKey(
         EC_GROUP    *eCurve,
         EC_POINT    *generator,
         EC_POINT    *publicKey,
         char        *cdKey
-        );
+);
 
 void generateXPKey(
-        byte        *pKey,
+        char        *pKey,
         EC_GROUP    *eCurve,
         EC_POINT    *generator,
         BIGNUM      *order,
         BIGNUM      *privateKey,
         ul32        *pRaw
-        );
+);
 
 // server.cpp
+bool keyServer(
+        char *pKey
+);
+
 void unpackServer(
         ul32 *osFamily,
         ul32 *hash,
         ul32 *sig,
         ul32 *prefix,
         ul32 *raw
-        );
+);
 
 void packServer(
         ul32 *raw,
         ul32 *osFamily,
         ul32 *hash,
         ul32 *sig,
         ul32 *prefix
-        );
+);
 
-void verifyServerKey(
+bool verifyServerKey(
         EC_GROUP    *eCurve,
         EC_POINT    *generator,
         EC_POINT    *public_key,
         char        *cdKey
-        );
+);
 
 void generateServerKey(
-        byte        *pKey,
+        char        *pKey,
         EC_GROUP    *eCurve,
         EC_POINT    *generator,
         BIGNUM      *order,
         BIGNUM      *privateKey,
         ul32        *osFamily,
         ul32        *prefix
-        );
+);
 
 // utilities.cpp
 void cprintf(const char *Format, int nColor, ...);
@@ -149,8 +152,8 @@ EC_GROUP *initializeEllipticCurve(
         );
 
 // key.cpp
-void unbase24(ul32 *byteSeq, byte *cdKey);
-void base24(byte *cdKey, ul32 *byteSeq);
+void unbase24(ul32 *byteSeq, const char *cdKey);
+void base24(char *cdKey, ul32 *byteSeq);
 void printProductKey(const char *pKey);
 void printProductID(const ul32 *pRaw);
 

key.cpp

@@ -5,7 +5,7 @@
 #include "header.h"
 
 /* Convert from byte sequence to the CD-key. */
-void base24(byte *cdKey, ul32 *byteSeq) {
+void base24(char *cdKey, ul32 *byteSeq) {
     byte rbs[16];
     BIGNUM *z;
 
@@ -31,39 +31,51 @@ void base24(byte *cdKey, ul32 *byteSeq) {
 }
 
 /* Convert from CD-key to a byte sequence. */
-void unbase24(ul32 *byteSeq, byte *cdKey) {
+void unbase24(ul32 *byteSeq, const char *cdKey) {
+    byte pDecodedKey[PK_LENGTH + NULL_TERMINATOR]{};
     BIGNUM *y = BN_new();
+
     BN_zero(y);
 
+    // Remove dashes from the CD-key and put it into a Base24 byte array.
+    for (int i = 0, k = 0; i < strlen(cdKey) && k < PK_LENGTH; i++) {
+        for (int j = 0; j < 24; j++) {
+            if (cdKey[i] != '-' && cdKey[i] == charset[j]) {
+                pDecodedKey[k++] = j;
+                break;
+            }
+        }
+    }
+
     // Empty byte sequence.
     memset(byteSeq, 0, 16);
 
-    // For each character in product key, place its ASCII-code.
-    for (int i = 0; i < 25; i++) {
-        BN_mul_word(y, 24);
-        BN_add_word(y, cdKey[i]);
+    // Calculate the weighed sum of byte array elements.
+    for (int i = 0; i < PK_LENGTH; i++) {
+        BN_mul_word(y, PK_LENGTH - 1);
+        BN_add_word(y, pDecodedKey[i]);
     }
 
     // Acquire length.
     int n = BN_num_bytes(y);
 
     // Place the generated code into the byte sequence.
-    BN_bn2bin(y, (unsigned char *)byteSeq);
+    BN_bn2bin(y, (byte *)byteSeq);
     BN_free(y);
 
     // Reverse the byte sequence.
-    endiannessConvert((unsigned char *) byteSeq, n);
+    endiannessConvert((byte *) byteSeq, n);
 }
 
 /* Print Product Key. */
 void printProductKey(const char *pKey) {
-    assert(strlen((const char *)pKey) == 25);
+    assert(strlen(pKey) == 25);
 
     SetConsoleTextAttribute(hConsole, 0x0A);
 
-    for (int i = 0; i < 25; i++) {
+    for (int i = 0; i < PK_LENGTH; i++) {
         putchar(pKey[i]);
-        if (i != 24 && i % 5 == 4) putchar('-');
+        if (i != PK_LENGTH - 1 && i % 5 == 4) putchar('-');
     }
 
     SetConsoleTextAttribute(hConsole, 0x0F);

main.cpp

@@ -9,80 +9,6 @@ HANDLE hConsole;
 ul32 dwSeed;
 byte charset[] = "BCDFGHJKMPQRTVWXY2346789";
 
-int mainServer() {
-    BIGNUM *a, *b, *p, *generatorX, *generatorY, *publicKeyX, *publicKeyY, *genOrder, *privateKey;
-    BN_CTX *context = BN_CTX_new();
-
-    a = BN_new();
-    b = BN_new();
-    p = BN_new();
-
-    generatorX = BN_new();
-    generatorY = BN_new();
-
-    publicKeyX = BN_new();
-    publicKeyY = BN_new();
-
-    genOrder = BN_new();
-
-    privateKey = BN_new();
-
-    /* Public data */
-    // Data taken from pidgen.dll BINK-resources
-    BN_hex2bn(&p, "C9AE7AED19F6A7E100AADE98134111AD8118E59B8264734327940064BC675A0C682E19C89695FBFA3A4653E47D47FD7592258C7E3C3C61BBEA07FE5A7E842379");
-
-    BN_set_word(a, 1);
-    BN_set_word(b, 0);
-
-    // Base point G (Generator)
-    BN_hex2bn(&generatorX, "85ACEC9F9F9B456A78E43C3637DC88D21F977A9EC15E5225BD5060CE5B892F24FEDEE574BF5801F06BC232EEF2161074496613698D88FAC4B397CE3B475406A7");
-    BN_hex2bn(&generatorY, "66B7D1983F5D4FE43E8B4F1E28685DE0E22BBE6576A1A6B86C67533BF72FD3D082DBA281A556A16E593DB522942C8DD7120BA50C9413DF944E7258BDDF30B3C4");
-
-    // Inverse of the public key
-    BN_hex2bn(&publicKeyX, "90BF6BD980C536A8DB93B52AA9AEBA640BABF1D31BEC7AA345BB7510194A9B07379F552DA7B4A3EF81A9B87E0B85B5118E1E20A098641EE4CCF2045558C98C0E");
-    BN_hex2bn(&publicKeyY, "6B87D1E658D03868362945CDD582E2CF33EE4BA06369E0EFE9E4851F6DCBEC7F15081E250D171EA0CC4CB06435BCFCFEA8F438C9766743A06CBD06E7EFB4C3AE");
-
-    /* Computed data */
-    // Order of G <- from MSKey 4-in-1
-    BN_hex2bn(&genOrder, "4CC5C56529F0237D");
-
-    // Computed private key
-    BN_hex2bn(&privateKey, "2606120F59C05118");
-
-    /* Elliptical Curve calculations. */
-    // The group is defined via Fp = all integers [0; p - 1], where p is prime.
-    // The function EC_POINT_set_affine_coordinates() sets the x and y coordinates for the point p defined over the curve given in group.
-    EC_GROUP *eCurve = EC_GROUP_new_curve_GFp(p, a, b, context);
-
-    // Create new point for the generator on the elliptic curve and set its coordinates to (genX; genY).
-    EC_POINT *genPoint = EC_POINT_new(eCurve);
-    EC_POINT_set_affine_coordinates(eCurve, genPoint, generatorX, generatorY, context);
-
-    // Create new point for the public key on the elliptic curve and set its coordinates to (pubX; pubY).
-    EC_POINT *pubPoint = EC_POINT_new(eCurve);
-    EC_POINT_set_affine_coordinates(eCurve, pubPoint, publicKeyX, publicKeyY, context);
-
-    // If generator and public key points are not on the elliptic curve, either the generator or the public key values are incorrect.
-    assert(EC_POINT_is_on_curve(eCurve, genPoint, context) == 1);
-    assert(EC_POINT_is_on_curve(eCurve, pubPoint, context) == 1);
-
-    char pkey[25]{};
-    ul32 osfamily[1], prefix[1];
-
-    osfamily[0] = 1280;
-    RAND_bytes((byte *)prefix, 4);
-
-    prefix[0] &= 0x3ff;
-    generateServerKey((byte *)pkey, eCurve, genPoint, genOrder, privateKey, osfamily, prefix);
-    printProductKey(pkey);
-    printf("\n\n");
-    verifyServerKey(eCurve, genPoint, pubPoint, (char *) pkey);
-
-    BN_CTX_free(context);
-
-    return 0;
-}
-
 /*
  * PK: VX8CG-8KC6V-PVPMD-GKPPH-GC7W8
  *

resource.h

@@ -6,12 +6,14 @@
 #define IDR_WAVE1                       102
 #define IDB_BITMAP1                     103
 #define IDB_BITMAP2                     104
+#define IDB_BITMAP3                     105
+#define IDB_BITMAP4                     106
 
 // Next default values for new objects
 // 
 #ifdef APSTUDIO_INVOKED
 #ifndef APSTUDIO_READONLY_SYMBOLS
-#define _APS_NEXT_RESOURCE_VALUE        105
+#define _APS_NEXT_RESOURCE_VALUE        107
 #define _APS_NEXT_COMMAND_VALUE         40001
 #define _APS_NEXT_CONTROL_VALUE         1001
 #define _APS_NEXT_SYMED_VALUE           101