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https://github.com/Neo-Desktop/WindowsXPKg
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Create Srv2003KGmain.cpp
Same as XP keygen, but code modified to adapt to server 2003 key system.
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TheMCHK
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341
Srv2003KGmain.cpp
Normal file
341
Srv2003KGmain.cpp
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@ -0,0 +1,341 @@
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#include <stdio.h>
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#include <string.h>
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#include <openssl/bn.h>
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#include <openssl/ec.h>
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#include <openssl/sha.h>
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#include <openssl/rand.h>
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#include <assert.h>
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typedef unsigned char U8;
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typedef unsigned long U32;
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U8 cset[] = "BCDFGHJKMPQRTVWXY2346789";
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#define FIELD_BITS_2003 512
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#define FIELD_BYTES_2003 64
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void unpack2003(U32 *osfamily, U32 *hash, U32 *sig, U32 *prefix, U32 *raw)
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{
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osfamily[0] = raw[0] & 0x7ff;
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hash[0] = ((raw[0] >> 11) | (raw[1] << 21)) & 0x7fffffff;
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sig[0] = (raw[1] >> 10) | (raw[2] << 22);
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sig[1] = ((raw[2] >> 10) | (raw[3] << 22)) & 0x3fffffff;
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prefix[0] = (raw[3] >> 8) & 0x3ff;
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}
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void pack2003(U32 *raw, U32 *osfamily, U32 *hash, U32 *sig, U32 *prefix)
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{
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raw[0] = osfamily[0] | (hash[0] << 11);
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raw[1] = (hash[0] >> 21) | (sig[0] << 10);
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raw[2] = (sig[0] >> 22) | (sig[1] << 10);
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raw[3] = (sig[1] >> 22) | (prefix[0] << 8);
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}
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static void endian(U8 *x, int n)
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{
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int i;
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for (i = 0; i < n/2; i++) {
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U8 t;
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t = x[i];
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x[i] = x[n-i-1];
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x[n-i-1] = t;
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}
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}
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void unbase24(U32 *x, U8 *c)
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{
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memset(x, 0, 16);
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int i, n;
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BIGNUM *y = BN_new();
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BN_zero(y);
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for (i = 0; i < 25; i++)
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{
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BN_mul_word(y, 24);
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BN_add_word(y, c[i]);
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}
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n = BN_num_bytes(y);
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BN_bn2bin(y, (U8 *)x);
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BN_free(y);
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endian((U8 *)x, n);
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}
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void base24(U8 *c, U32 *x)
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{
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U8 y[16];
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int i;
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BIGNUM *z;
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memcpy(y, x, sizeof(y));
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for (i = 15; y[i] == 0; i--) {} i++;
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endian(y, i);
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z = BN_bin2bn(y, i, NULL);
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c[25] = 0;
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for (i = 24; i >= 0; i--) {
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U8 t = BN_div_word(z, 24);
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c[i] = cset[t];
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}
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BN_free(z);
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}
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void print_product_key(U8 *pk)
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{
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int i;
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assert(strlen(pk) == 25);
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for (i = 0; i < 25; i++) {
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putchar(pk[i]);
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if (i != 24 && i % 5 == 4) putchar('-');
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}
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}
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void verify2003(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *cdkey)
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{
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U8 key[25];
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int i, j, k;
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BN_CTX *ctx = BN_CTX_new();
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for (i = 0, k = 0; i < strlen(cdkey); i++) {
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for (j = 0; j < 24; j++) {
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if (cdkey[i] != '-' && cdkey[i] == cset[j]) {
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key[k++] = j;
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break;
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}
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assert(j < 24);
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}
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if (k >= 25) break;
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}
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U32 bkey[4] = {0};
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U32 osfamily[1], hash[1], sig[2], prefix[1];
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unbase24(bkey, key);
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printf("%.8x %.8x %.8x %.8x\n", bkey[3], bkey[2], bkey[1], bkey[0]);
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unpack2003(osfamily, hash, sig, prefix, bkey);
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printf("OS Family: %u\nHash: %.8x\nSig: %.8x %.8x\nPrefix: %.8x\n", osfamily[0], hash[0], sig[1], sig[0], prefix[0]);
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U8 buf[FIELD_BYTES_2003], md[20];
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U32 h1[2];
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SHA_CTX h_ctx;
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/* h1 = SHA-1(5D || OS Family || Hash || Prefix || 00 00) */
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SHA1_Init(&h_ctx);
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buf[0] = 0x5d;
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buf[1] = osfamily[0] & 0xff;
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buf[2] = (osfamily[0] & 0xff00) >> 8;
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buf[3] = hash[0] & 0xff;
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buf[4] = (hash[0] & 0xff00) >> 8;
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buf[5] = (hash[0] & 0xff0000) >> 16;
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buf[6] = (hash[0] & 0xff000000) >> 24;
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buf[7] = prefix[0] & 0xff;
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buf[8] = (prefix[0] & 0xff00) >> 8;
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buf[9] = buf[10] = 0;
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SHA1_Update(&h_ctx, buf, 11);
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SHA1_Final(md, &h_ctx);
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h1[0] = md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24);
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h1[1] = (md[4] | (md[5] << 8) | (md[6] << 16) | (md[7] << 24)) >> 2;
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h1[1] &= 0x3FFFFFFF;
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printf("h1: %.8x %.8x\n", h1[1], h1[0]);
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BIGNUM *s, *h, *x, *y;
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x = BN_new();
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y = BN_new();
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endian((U8 *)sig, 8);
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endian((U8 *)h1, 8);
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s = BN_bin2bn((U8 *)sig, 8, NULL);
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h = BN_bin2bn((U8 *)h1, 8, NULL);
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EC_POINT *r = EC_POINT_new(ec);
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EC_POINT *t = EC_POINT_new(ec);
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/* r = sig*(sig*generator + h1*public_key) */
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EC_POINT_mul(ec, t, NULL, generator, s, ctx);
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EC_POINT_mul(ec, r, NULL, public_key, h, ctx);
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EC_POINT_add(ec, r, r, t, ctx);
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EC_POINT_mul(ec, r, NULL, r, s, ctx);
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EC_POINT_get_affine_coordinates_GFp(ec, r, x, y, ctx);
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U32 h2[1];
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/* h2 = SHA-1(79 || OS Family || r.x || r.y) */
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SHA1_Init(&h_ctx);
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buf[0] = 0x79;
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buf[1] = osfamily[0] & 0xff;
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buf[2] = (osfamily[0] & 0xff00) >> 8;
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SHA1_Update(&h_ctx, buf, 3);
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memset(buf, 0, FIELD_BYTES_2003);
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BN_bn2bin(x, buf);
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endian((U8 *)buf, FIELD_BYTES_2003);
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SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003);
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memset(buf, 0, FIELD_BYTES_2003);
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BN_bn2bin(y, buf);
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endian((U8 *)buf, FIELD_BYTES_2003);
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SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003);
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SHA1_Final(md, &h_ctx);
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h2[0] = (md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24)) & 0x7fffffff;
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printf("Calculated hash: %.8x\n", h2[0]);
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if (h2[0] == hash[0]) printf("Key VALID\n");
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else printf("Key invalid\n");
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BN_free(s);
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BN_free(h);
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BN_free(x);
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BN_free(y);
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EC_POINT_free(r);
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EC_POINT_free(t);
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BN_CTX_free(ctx);
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}
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void generate2003(U8 *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BIGNUM *priv, U32 *osfamily, U32 *prefix)
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{
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BN_CTX *ctx = BN_CTX_new();
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BIGNUM *k = BN_new();
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BIGNUM *s = BN_new();
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BIGNUM *x = BN_new();
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BIGNUM *y = BN_new();
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BIGNUM *b = BN_new();
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EC_POINT *r = EC_POINT_new(ec);
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U32 bkey[4];
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U8 buf[FIELD_BYTES_2003], md[20];
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U32 h1[2];
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U32 hash[1], sig[2];
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SHA_CTX h_ctx;
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for (;;) {
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/* r = k*generator */
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BN_pseudo_rand(k, FIELD_BITS_2003, -1, 0);
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EC_POINT_mul(ec, r, NULL, generator, k, ctx);
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EC_POINT_get_affine_coordinates_GFp(ec, r, x, y, ctx);
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/* hash = SHA-1(79 || OS Family || r.x || r.y) */
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SHA1_Init(&h_ctx);
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buf[0] = 0x79;
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buf[1] = osfamily[0] & 0xff;
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buf[2] = (osfamily[0] & 0xff00) >> 8;
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SHA1_Update(&h_ctx, buf, 3);
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memset(buf, 0, FIELD_BYTES_2003);
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BN_bn2bin(x, buf);
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endian((U8 *)buf, FIELD_BYTES_2003);
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SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003);
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memset(buf, 0, FIELD_BYTES_2003);
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BN_bn2bin(y, buf);
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endian((U8 *)buf, FIELD_BYTES_2003);
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SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003);
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SHA1_Final(md, &h_ctx);
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hash[0] = (md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24)) & 0x7fffffff;
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/* h1 = SHA-1(5D || OS Family || Hash || Prefix || 00 00) */
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SHA1_Init(&h_ctx);
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buf[0] = 0x5d;
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buf[1] = osfamily[0] & 0xff;
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buf[2] = (osfamily[0] & 0xff00) >> 8;
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buf[3] = hash[0] & 0xff;
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buf[4] = (hash[0] & 0xff00) >> 8;
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buf[5] = (hash[0] & 0xff0000) >> 16;
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buf[6] = (hash[0] & 0xff000000) >> 24;
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buf[7] = prefix[0] & 0xff;
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buf[8] = (prefix[0] & 0xff00) >> 8;
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buf[9] = buf[10] = 0;
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SHA1_Update(&h_ctx, buf, 11);
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SHA1_Final(md, &h_ctx);
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h1[0] = md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24);
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h1[1] = (md[4] | (md[5] << 8) | (md[6] << 16) | (md[7] << 24)) >> 2;
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h1[1] &= 0x3FFFFFFF;
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printf("h1: %.8x %.8x\n", h1[1], h1[0]);
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/* s = ( -h1*priv + sqrt( (h1*priv)^2 + 4k ) ) / 2 */
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endian((U8 *)h1, 8);
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BN_bin2bn((U8 *)h1, 8, b);
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BN_mod_mul(b, b, priv, order, ctx);
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BN_copy(s, b);
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BN_mod_sqr(s, s, order, ctx);
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BN_lshift(k, k, 2);
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BN_add(s, s, k);
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BN_mod_sqrt(s, s, order, ctx);
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BN_mod_sub(s, s, b, order, ctx);
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if (BN_is_odd(s)) {
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BN_add(s, s, order);
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}
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BN_rshift1(s, s);
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sig[0] = sig[1] = 0;
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BN_bn2bin(s, (U8 *)sig);
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endian((U8 *)sig, BN_num_bytes(s));
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if (sig[1] < 0x40000000) break;
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}
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pack2003(bkey, osfamily, hash, sig, prefix);
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printf("OS family: %u\nHash: %.8x\nSig: %.8x %.8x\nPrefix: %.8x\n", osfamily[0], hash[0], sig[1], sig[0], prefix[0]);
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printf("%.8x %.8x %.8x %.8x\n", bkey[3], bkey[2], bkey[1], bkey[0]);
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base24(pkey, bkey);
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BN_free(k);
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BN_free(s);
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BN_free(x);
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BN_free(y);
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BN_free(b);
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EC_POINT_free(r);
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BN_CTX_free(ctx);
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}
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int main()
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{
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BIGNUM *a, *b, *p, *gx, *gy, *pubx, *puby, *n, *priv;
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BN_CTX *ctx = BN_CTX_new();
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a = BN_new();
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b = BN_new();
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p = BN_new();
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gx = BN_new();
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gy = BN_new();
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pubx = BN_new();
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puby = BN_new();
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n = BN_new();
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priv = BN_new();
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/* Windows Sever 2003 VLK */
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BN_set_word(a, 1);
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BN_set_word(b, 0);
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BN_hex2bn(&p, "C9AE7AED19F6A7E100AADE98134111AD8118E59B8264734327940064BC675A0C682E19C89695FBFA3A4653E47D47FD7592258C7E3C3C61BBEA07FE5A7E842379");
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BN_hex2bn(&gx, "85ACEC9F9F9B456A78E43C3637DC88D21F977A9EC15E5225BD5060CE5B892F24FEDEE574BF5801F06BC232EEF2161074496613698D88FAC4B397CE3B475406A7");
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BN_hex2bn(&gy, "66B7D1983F5D4FE43E8B4F1E28685DE0E22BBE6576A1A6B86C67533BF72FD3D082DBA281A556A16E593DB522942C8DD7120BA50C9413DF944E7258BDDF30B3C4");
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BN_hex2bn(&pubx, "90BF6BD980C536A8DB93B52AA9AEBA640BABF1D31BEC7AA345BB7510194A9B07379F552DA7B4A3EF81A9B87E0B85B5118E1E20A098641EE4CCF2045558C98C0E");
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BN_hex2bn(&puby, "6B87D1E658D03868362945CDD582E2CF33EE4BA06369E0EFE9E4851F6DCBEC7F15081E250D171EA0CC4CB06435BCFCFEA8F438C9766743A06CBD06E7EFB4C3AE");
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BN_hex2bn(&n, "4CC5C56529F0237D"); // from mskey 4in1
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BN_hex2bn(&priv, "2606120F59C05118");
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EC_GROUP *ec = EC_GROUP_new_curve_GFp(p, a, b, ctx);
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EC_POINT *g = EC_POINT_new(ec);
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EC_POINT_set_affine_coordinates_GFp(ec, g, gx, gy, ctx);
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EC_POINT *pub = EC_POINT_new(ec);
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EC_POINT_set_affine_coordinates_GFp(ec, pub, pubx, puby, ctx);
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assert(EC_POINT_is_on_curve(ec, g, ctx) == 1);
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assert(EC_POINT_is_on_curve(ec, pub, ctx) == 1);
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U8 pkey[25];
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U32 osfamily[1], prefix[1];
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osfamily[0] = 1280;
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RAND_pseudo_bytes((U8 *)prefix, 4);
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prefix[0] &= 0x3ff;
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generate2003(pkey, ec, g, n, priv, osfamily, prefix);
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print_product_key(pkey); printf("\n\n");
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verify2003(ec, g, pub, pkey);
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BN_CTX_free(ctx);
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return 0;
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}
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