commit ea4689c79195e243bdbefef66d469a886aea750f Author: Pedro Loures <120764243+iPedroLB@users.noreply.github.com> Date: Sat Apr 8 14:47:59 2023 -0300 Add Files diff --git a/2003.c b/2003.c new file mode 100644 index 0000000..3cf2c61 --- /dev/null +++ b/2003.c @@ -0,0 +1,341 @@ +#include +#include +#include +#include +#include +#include +#include + +typedef unsigned char U8; +typedef unsigned long U32; + +U8 cset[] = "BCDFGHJKMPQRTVWXY2346789"; + +#define FIELD_BITS_2003 512 +#define FIELD_BYTES_2003 64 + +void unpack2003(U32 *osfamily, U32 *hash, U32 *sig, U32 *prefix, U32 *raw) +{ + osfamily[0] = raw[0] & 0x7ff; + hash[0] = ((raw[0] >> 11) | (raw[1] << 21)) & 0x7fffffff; + sig[0] = (raw[1] >> 10) | (raw[2] << 22); + sig[1] = ((raw[2] >> 10) | (raw[3] << 22)) & 0x3fffffff; + prefix[0] = (raw[3] >> 8) & 0x3ff; +} + +void pack2003(U32 *raw, U32 *osfamily, U32 *hash, U32 *sig, U32 *prefix) +{ + raw[0] = osfamily[0] | (hash[0] << 11); + raw[1] = (hash[0] >> 21) | (sig[0] << 10); + raw[2] = (sig[0] >> 22) | (sig[1] << 10); + raw[3] = (sig[1] >> 22) | (prefix[0] << 8); +} + +static void endian(U8 *x, int n) +{ + int i; + for (i = 0; i < n/2; i++) { + U8 t; + t = x[i]; + x[i] = x[n-i-1]; + x[n-i-1] = t; + } +} + +void unbase24(U32 *x, U8 *c) +{ + memset(x, 0, 16); + int i, n; + + BIGNUM *y = BN_new(); + BN_zero(y); + + for (i = 0; i < 25; i++) + { + BN_mul_word(y, 24); + BN_add_word(y, c[i]); + } + n = BN_num_bytes(y); + BN_bn2bin(y, (U8 *)x); + BN_free(y); + + endian((U8 *)x, n); +} + +void base24(U8 *c, U32 *x) +{ + U8 y[16]; + int i; + + BIGNUM *z; + memcpy(y, x, sizeof(y)); + for (i = 15; y[i] == 0; i--) {} i++; + endian(y, i); + z = BN_bin2bn(y, i, NULL); + + c[25] = 0; + for (i = 24; i >= 0; i--) { + U8 t = BN_div_word(z, 24); + c[i] = cset[t]; + } + BN_free(z); +} + +void print_product_key(U8 *pk) +{ + int i; + assert(strlen(pk) == 25); + for (i = 0; i < 25; i++) { + putchar(pk[i]); + if (i != 24 && i % 5 == 4) putchar('-'); + } +} + +void verify2003(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *cdkey) +{ + U8 key[25]; + int i, j, k; + + BN_CTX *ctx = BN_CTX_new(); + + for (i = 0, k = 0; i < strlen(cdkey); i++) { + for (j = 0; j < 24; j++) { + if (cdkey[i] != '-' && cdkey[i] == cset[j]) { + key[k++] = j; + break; + } + assert(j < 24); + } + if (k >= 25) break; + } + + U32 bkey[4] = {0}; + U32 osfamily[1], hash[1], sig[2], prefix[1]; + unbase24(bkey, key); + printf("%.8x %.8x %.8x %.8x\n", bkey[3], bkey[2], bkey[1], bkey[0]); + unpack2003(osfamily, hash, sig, prefix, bkey); + + printf("OS Family: %u\nHash: %.8x\nSig: %.8x %.8x\nPrefix: %.8x\n", osfamily[0], hash[0], sig[1], sig[0], prefix[0]); + + U8 buf[FIELD_BYTES_2003], md[20]; + U32 h1[2]; + SHA_CTX h_ctx; + + /* h1 = SHA-1(5D || OS Family || Hash || Prefix || 00 00) */ + SHA1_Init(&h_ctx); + buf[0] = 0x5d; + buf[1] = osfamily[0] & 0xff; + buf[2] = (osfamily[0] & 0xff00) >> 8; + buf[3] = hash[0] & 0xff; + buf[4] = (hash[0] & 0xff00) >> 8; + buf[5] = (hash[0] & 0xff0000) >> 16; + buf[6] = (hash[0] & 0xff000000) >> 24; + buf[7] = prefix[0] & 0xff; + buf[8] = (prefix[0] & 0xff00) >> 8; + buf[9] = buf[10] = 0; + SHA1_Update(&h_ctx, buf, 11); + SHA1_Final(md, &h_ctx); + h1[0] = md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24); + h1[1] = (md[4] | (md[5] << 8) | (md[6] << 16) | (md[7] << 24)) >> 2; + h1[1] &= 0x3FFFFFFF; + printf("h1: %.8x %.8x\n", h1[1], h1[0]); + + BIGNUM *s, *h, *x, *y; + x = BN_new(); + y = BN_new(); + endian((U8 *)sig, 8); + endian((U8 *)h1, 8); + s = BN_bin2bn((U8 *)sig, 8, NULL); + h = BN_bin2bn((U8 *)h1, 8, NULL); + + EC_POINT *r = EC_POINT_new(ec); + EC_POINT *t = EC_POINT_new(ec); + /* r = sig*(sig*generator + h1*public_key) */ + EC_POINT_mul(ec, t, NULL, generator, s, ctx); + EC_POINT_mul(ec, r, NULL, public_key, h, ctx); + EC_POINT_add(ec, r, r, t, ctx); + EC_POINT_mul(ec, r, NULL, r, s, ctx); + EC_POINT_get_affine_coordinates_GFp(ec, r, x, y, ctx); + + U32 h2[1]; + /* h2 = SHA-1(79 || OS Family || r.x || r.y) */ + SHA1_Init(&h_ctx); + buf[0] = 0x79; + buf[1] = osfamily[0] & 0xff; + buf[2] = (osfamily[0] & 0xff00) >> 8; + SHA1_Update(&h_ctx, buf, 3); + + memset(buf, 0, FIELD_BYTES_2003); + BN_bn2bin(x, buf); + endian((U8 *)buf, FIELD_BYTES_2003); + SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003); + + memset(buf, 0, FIELD_BYTES_2003); + BN_bn2bin(y, buf); + endian((U8 *)buf, FIELD_BYTES_2003); + SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003); + + SHA1_Final(md, &h_ctx); + h2[0] = (md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24)) & 0x7fffffff; + printf("Calculated hash: %.8x\n", h2[0]); + + if (h2[0] == hash[0]) printf("Key VALID\n"); + else printf("Key invalid\n"); + + BN_free(s); + BN_free(h); + BN_free(x); + BN_free(y); + EC_POINT_free(r); + EC_POINT_free(t); + BN_CTX_free(ctx); +} + +void generate2003(U8 *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BIGNUM *priv, U32 *osfamily, U32 *prefix) +{ + BN_CTX *ctx = BN_CTX_new(); + + BIGNUM *k = BN_new(); + BIGNUM *s = BN_new(); + BIGNUM *x = BN_new(); + BIGNUM *y = BN_new(); + BIGNUM *b = BN_new(); + EC_POINT *r = EC_POINT_new(ec); + + U32 bkey[4]; + U8 buf[FIELD_BYTES_2003], md[20]; + U32 h1[2]; + U32 hash[1], sig[2]; + + SHA_CTX h_ctx; + + for (;;) { + /* r = k*generator */ + BN_pseudo_rand(k, FIELD_BITS_2003, -1, 0); + EC_POINT_mul(ec, r, NULL, generator, k, ctx); + EC_POINT_get_affine_coordinates_GFp(ec, r, x, y, ctx); + + /* hash = SHA-1(79 || OS Family || r.x || r.y) */ + SHA1_Init(&h_ctx); + buf[0] = 0x79; + buf[1] = osfamily[0] & 0xff; + buf[2] = (osfamily[0] & 0xff00) >> 8; + SHA1_Update(&h_ctx, buf, 3); + + memset(buf, 0, FIELD_BYTES_2003); + BN_bn2bin(x, buf); + endian((U8 *)buf, FIELD_BYTES_2003); + SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003); + + memset(buf, 0, FIELD_BYTES_2003); + BN_bn2bin(y, buf); + endian((U8 *)buf, FIELD_BYTES_2003); + SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003); + + SHA1_Final(md, &h_ctx); + hash[0] = (md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24)) & 0x7fffffff; + + /* h1 = SHA-1(5D || OS Family || Hash || Prefix || 00 00) */ + SHA1_Init(&h_ctx); + buf[0] = 0x5d; + buf[1] = osfamily[0] & 0xff; + buf[2] = (osfamily[0] & 0xff00) >> 8; + buf[3] = hash[0] & 0xff; + buf[4] = (hash[0] & 0xff00) >> 8; + buf[5] = (hash[0] & 0xff0000) >> 16; + buf[6] = (hash[0] & 0xff000000) >> 24; + buf[7] = prefix[0] & 0xff; + buf[8] = (prefix[0] & 0xff00) >> 8; + buf[9] = buf[10] = 0; + SHA1_Update(&h_ctx, buf, 11); + SHA1_Final(md, &h_ctx); + h1[0] = md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24); + h1[1] = (md[4] | (md[5] << 8) | (md[6] << 16) | (md[7] << 24)) >> 2; + h1[1] &= 0x3FFFFFFF; + printf("h1: %.8x %.8x\n", h1[1], h1[0]); + + /* s = ( -h1*priv + sqrt( (h1*priv)^2 + 4k ) ) / 2 */ + endian((U8 *)h1, 8); + BN_bin2bn((U8 *)h1, 8, b); + BN_mod_mul(b, b, priv, order, ctx); + BN_copy(s, b); + BN_mod_sqr(s, s, order, ctx); + BN_lshift(k, k, 2); + BN_add(s, s, k); + BN_mod_sqrt(s, s, order, ctx); + BN_mod_sub(s, s, b, order, ctx); + if (BN_is_odd(s)) { + BN_add(s, s, order); + } + BN_rshift1(s, s); + sig[0] = sig[1] = 0; + BN_bn2bin(s, (U8 *)sig); + endian((U8 *)sig, BN_num_bytes(s)); + if (sig[1] < 0x40000000) break; + } + pack2003(bkey, osfamily, hash, sig, prefix); + printf("OS family: %u\nHash: %.8x\nSig: %.8x %.8x\nPrefix: %.8x\n", osfamily[0], hash[0], sig[1], sig[0], prefix[0]); + printf("%.8x %.8x %.8x %.8x\n", bkey[3], bkey[2], bkey[1], bkey[0]); + base24(pkey, bkey); + + BN_free(k); + BN_free(s); + BN_free(x); + BN_free(y); + BN_free(b); + EC_POINT_free(r); + + BN_CTX_free(ctx); + +} + +int main() +{ + BIGNUM *a, *b, *p, *gx, *gy, *pubx, *puby, *n, *priv; + BN_CTX *ctx = BN_CTX_new(); + + a = BN_new(); + b = BN_new(); + p = BN_new(); + gx = BN_new(); + gy = BN_new(); + pubx = BN_new(); + puby = BN_new(); + n = BN_new(); + priv = BN_new(); + + /* Windows Sever 2003 VLK */ + BN_set_word(a, 1); + BN_set_word(b, 0); + BN_hex2bn(&p, "C9AE7AED19F6A7E100AADE98134111AD8118E59B8264734327940064BC675A0C682E19C89695FBFA3A4653E47D47FD7592258C7E3C3C61BBEA07FE5A7E842379"); + BN_hex2bn(&gx, "85ACEC9F9F9B456A78E43C3637DC88D21F977A9EC15E5225BD5060CE5B892F24FEDEE574BF5801F06BC232EEF2161074496613698D88FAC4B397CE3B475406A7"); + BN_hex2bn(&gy, "66B7D1983F5D4FE43E8B4F1E28685DE0E22BBE6576A1A6B86C67533BF72FD3D082DBA281A556A16E593DB522942C8DD7120BA50C9413DF944E7258BDDF30B3C4"); + BN_hex2bn(&pubx, "90BF6BD980C536A8DB93B52AA9AEBA640BABF1D31BEC7AA345BB7510194A9B07379F552DA7B4A3EF81A9B87E0B85B5118E1E20A098641EE4CCF2045558C98C0E"); + BN_hex2bn(&puby, "6B87D1E658D03868362945CDD582E2CF33EE4BA06369E0EFE9E4851F6DCBEC7F15081E250D171EA0CC4CB06435BCFCFEA8F438C9766743A06CBD06E7EFB4C3AE"); + BN_hex2bn(&n, "4CC5C56529F0237D"); // from mskey 4in1 + BN_hex2bn(&priv, "2606120F59C05118"); + + + EC_GROUP *ec = EC_GROUP_new_curve_GFp(p, a, b, ctx); + EC_POINT *g = EC_POINT_new(ec); + EC_POINT_set_affine_coordinates_GFp(ec, g, gx, gy, ctx); + EC_POINT *pub = EC_POINT_new(ec); + EC_POINT_set_affine_coordinates_GFp(ec, pub, pubx, puby, ctx); + + assert(EC_POINT_is_on_curve(ec, g, ctx) == 1); + assert(EC_POINT_is_on_curve(ec, pub, ctx) == 1); + + U8 pkey[25]; + U32 osfamily[1], prefix[1]; + + osfamily[0] = 1280; + RAND_pseudo_bytes((U8 *)prefix, 4); + prefix[0] &= 0x3ff; + generate2003(pkey, ec, g, n, priv, osfamily, prefix); + printf("Product Key: "); print_product_key(pkey); printf("\n\n"); + verify2003(ec, g, pub, pkey); + + BN_CTX_free(ctx); + + return 0; +} diff --git a/auto2003.c b/auto2003.c new file mode 100644 index 0000000..69dea10 --- /dev/null +++ b/auto2003.c @@ -0,0 +1,13 @@ +#include +#include + +int main() +{ + int numero = 1; + char cmd[300]; + while (numero < 1001){ + sprintf(cmd, "./server2003 > %d.txt", numero, numero); + system(cmd); + numero=numero+1; + } +} diff --git a/autoxp.c b/autoxp.c new file mode 100644 index 0000000..1eebc33 --- /dev/null +++ b/autoxp.c @@ -0,0 +1,13 @@ +#include +#include + +int main() +{ + int numero = 1; + char cmd[300]; + while (numero < 1001){ + sprintf(cmd, "./windowsxp > %d.txt", numero, numero); + system(cmd); + numero=numero+1; + } +} diff --git a/build-all.bat b/build-all.bat new file mode 100644 index 0000000..823184c --- /dev/null +++ b/build-all.bat @@ -0,0 +1,4 @@ +g++ 2003.c -fpermissive "libcrypto-1_1.dll" "libssl-1_1.dll" -o server2003 +g++ xp.c "libcrypto-1_1.dll" "libssl-1_1.dll" -o windowsxp +g++ -Wformat-extra-args autoxp.c -o autoxp +g++ -Wformat-extra-args auto2003.c -o auto2003 \ No newline at end of file diff --git a/libcrypto-1_1.dll b/libcrypto-1_1.dll new file mode 100644 index 0000000..5a68bb2 Binary files /dev/null and b/libcrypto-1_1.dll differ diff --git a/libssl-1_1.dll b/libssl-1_1.dll new file mode 100644 index 0000000..093722a Binary files /dev/null and b/libssl-1_1.dll differ diff --git a/xp.c b/xp.c new file mode 100644 index 0000000..b051e0a --- /dev/null +++ b/xp.c @@ -0,0 +1,367 @@ +/* + Windows XP CD Key Verification/Generator v0.03 + by z22 + + Compile with OpenSSL libs, modify to suit your needs. + http://gnuwin32.sourceforge.net/packages/openssl.htm + + History: + 0.03 Stack corruptionerror on exit fixed (now pkey is large enough) + More Comments added + 0.02 Changed name the *.cpp; + Fixed minor bugs & Make it compilable on VC++ + 0.01 First version compilable MingW + + +*/ + +#include +#include +#include +#include +#include +#include + + +#define FIELD_BITS 384 +#define FIELD_BYTES 48 +unsigned char cset[] = "BCDFGHJKMPQRTVWXY2346789"; + + +static void unpack(unsigned long *pid, unsigned long *hash, unsigned long *sig, unsigned long *raw) +{ + // pid = Bit 0..30 + pid[0] = raw[0] & 0x7fffffff; + + // hash(s) = Bit 31..58 + hash[0] = ((raw[0] >> 31) | (raw[1] << 1)) & 0xfffffff; + + // sig(e) = bit 58..113 + sig[0] = (raw[1] >> 27) | (raw[2] << 5); + sig[1] = (raw[2] >> 27) | (raw[3] << 5); +} + +static void pack(unsigned long *raw, unsigned long *pid, unsigned long *hash, unsigned long *sig) +{ + raw[0] = pid[0] | ((hash[0] & 1) << 31); + raw[1] = (hash[0] >> 1) | ((sig[0] & 0x1f) << 27); + raw[2] = (sig[0] >> 5) | (sig[1] << 27); + raw[3] = sig[1] >> 5; +} + +// Reverse data +static void endian(unsigned char *data, int len) +{ + int i; + for (i = 0; i < len/2; i++) { + unsigned char temp; + temp = data[i]; + data[i] = data[len-i-1]; + data[len-i-1] = temp; + } +} + +void unbase24(unsigned long *x, unsigned char *c) +{ + + memset(x, 0, 16); + int i, n; + + BIGNUM *y = BN_new(); + BN_zero(y); + + for (i = 0; i < 25; i++) + { + BN_mul_word(y, 24); + BN_add_word(y, c[i]); + } + n = BN_num_bytes(y); + BN_bn2bin(y, (unsigned char *)x); + BN_free(y); + + endian((unsigned char *)x, n); +} + +void base24(unsigned char *c, unsigned long *x) +{ + unsigned char y[16]; + int i; + BIGNUM *z; + + // Convert x to BigNum z + memcpy(y, x, sizeof(y)); // Copy X to Y; Y=X + for (i = 15; y[i] == 0; i--) {} i++; // skip following nulls + endian(y, i); // Reverse y + z = BN_bin2bn(y, i, NULL); // Convert y to BigNum z + + + // Divide z by 24 and convert remainder with cset to Base24-CDKEY Char + c[25] = 0; + for (i = 24; i >= 0; i--) { + unsigned char t = BN_div_word(z, 24); + c[i] = cset[t]; + } + + BN_free(z); +} + +void print_product_id(unsigned long *pid) +{ + char raw[12]; + char b[6], c[8]; + int i, digit = 0; + + // Cut a away last bit of pid and convert it to an accii-number (=raw) + sprintf(raw, "%d", pid[0] >> 1); + + // Make b-part {640-....} + strncpy(b, raw, 3); + b[3] = 0; + + // Make c-part {...-123456X...} + strcpy(c, raw + 3); + + // Make checksum digit-part {...56X-} + assert(strlen(c) == 6); + for (i = 0; i < 6; i++) + digit -= c[i] - '0'; // Sum digits + + while (digit < 0) + digit += 7; + c[6] = digit + '0'; + c[7] = 0; + + printf("Product ID: 55274-%s-%s-23xxx\n", b, c); +} + +void print_product_key(unsigned char *pk) +{ + int i; + assert(strlen((const char *)pk) == 25); + for (i = 0; i < 25; i++) { + putchar(pk[i]); + if (i != 24 && i % 5 == 4) putchar('-'); + } +} + +void verify(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *cdkey) +{ + unsigned char key[25]; + int i, j, k; + + BN_CTX *ctx = BN_CTX_new(); +// remove Dashs from CDKEY + for (i = 0, k = 0; i < strlen(cdkey); i++) { + for (j = 0; j < 24; j++) { + if (cdkey[i] != '-' && cdkey[i] == cset[j]) { + key[k++] = j; + break; + } + assert(j < 24); + } + if (k >= 25) break; + } + + // Base24_CDKEY -> Bin_CDKEY + unsigned long bkey[4] = {0}; + unsigned long pid[1], hash[1], sig[2]; + unbase24(bkey, key); + + // Output Bin_CDKEY + printf("%.8x %.8x %.8x %.8x\n", bkey[3], bkey[2], bkey[1], bkey[0]); + + // Divide/Extract pid_data, hash, sig from Bin_CDKEY + unpack(pid, hash, sig, bkey); + print_product_id(pid); + + printf("PID: %.8x\nHash: %.8x\nSig: %.8x %.8x\n", pid[0], hash[0], sig[1], sig[0]); + + + BIGNUM *e, *s; + + /* e = hash, s = sig */ + e = BN_new(); + BN_set_word(e, hash[0]); + endian((unsigned char *)sig, sizeof(sig)); + s = BN_bin2bn((unsigned char *)sig, sizeof(sig), NULL); + + BIGNUM *x = BN_new(); + BIGNUM *y = BN_new(); + EC_POINT *u = EC_POINT_new(ec); + EC_POINT *v = EC_POINT_new(ec); + + /* v = s*generator + e*(-public_key) */ + EC_POINT_mul(ec, u, NULL, generator, s, ctx); + EC_POINT_mul(ec, v, NULL, public_key, e, ctx); + EC_POINT_add(ec, v, u, v, ctx); + EC_POINT_get_affine_coordinates_GFp(ec, v, x, y, ctx); + + unsigned char buf[FIELD_BYTES], md[20]; + unsigned long h; + unsigned char t[4]; + SHA_CTX h_ctx; + + /* h = (fist 32 bits of SHA1(pid || v.x, v.y)) >> 4 */ + SHA1_Init(&h_ctx); + t[0] = pid[0] & 0xff; + t[1] = (pid[0] & 0xff00) >> 8; + t[2] = (pid[0] & 0xff0000) >> 16; + t[3] = (pid[0] & 0xff000000) >> 24; + SHA1_Update(&h_ctx, t, sizeof(t)); + + memset(buf, 0, sizeof(buf)); + BN_bn2bin(x, buf); + endian((unsigned char *)buf, sizeof(buf)); + SHA1_Update(&h_ctx, buf, sizeof(buf)); + + memset(buf, 0, sizeof(buf)); + BN_bn2bin(y, buf); + endian((unsigned char *)buf, sizeof(buf)); + SHA1_Update(&h_ctx, buf, sizeof(buf)); + + SHA1_Final(md, &h_ctx); + h = (md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24)) >> 4; + h &= 0xfffffff; + + printf("Calculated hash: %.8x\n", h); + if (h == hash[0]) printf("Key valid\n"); + else printf("Key invalid\n"); + putchar('\n'); + + BN_free(e); + BN_free(s); + BN_free(x); + BN_free(y); + EC_POINT_free(u); + EC_POINT_free(v); + + BN_CTX_free(ctx); +} + +void generate(unsigned char *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BIGNUM *priv, unsigned long *pid) +{ + BN_CTX *ctx = BN_CTX_new(); + + BIGNUM *k = BN_new(); + BIGNUM *s = BN_new(); + BIGNUM *x = BN_new(); + BIGNUM *y = BN_new(); + EC_POINT *r = EC_POINT_new(ec); + unsigned long bkey[4]; + + // Loop in case signaturepart will make cdkey(base-24 "digits") longer than 25 + do { + BN_pseudo_rand(k, FIELD_BITS, -1, 0); + EC_POINT_mul(ec, r, NULL, generator, k, ctx); + EC_POINT_get_affine_coordinates_GFp(ec, r, x, y, ctx); + + SHA_CTX h_ctx; + unsigned char t[4], md[20], buf[FIELD_BYTES]; + unsigned long hash[1]; + /* h = (fist 32 bits of SHA1(pid || r.x, r.y)) >> 4 */ + SHA1_Init(&h_ctx); + t[0] = pid[0] & 0xff; + t[1] = (pid[0] & 0xff00) >> 8; + t[2] = (pid[0] & 0xff0000) >> 16; + t[3] = (pid[0] & 0xff000000) >> 24; + SHA1_Update(&h_ctx, t, sizeof(t)); + + memset(buf, 0, sizeof(buf)); + BN_bn2bin(x, buf); + endian((unsigned char *)buf, sizeof(buf)); + SHA1_Update(&h_ctx, buf, sizeof(buf)); + + memset(buf, 0, sizeof(buf)); + BN_bn2bin(y, buf); + endian((unsigned char *)buf, sizeof(buf)); + SHA1_Update(&h_ctx, buf, sizeof(buf)); + + SHA1_Final(md, &h_ctx); + hash[0] = (md[0] | (md[1] << 8) | (md[2] << 16) | (md[3] << 24)) >> 4; + hash[0] &= 0xfffffff; + + /* s = priv*h + k */ + BN_copy(s, priv); + BN_mul_word(s, hash[0]); + BN_mod_add(s, s, k, order, ctx); + + unsigned long sig[2] = {0}; + BN_bn2bin(s, (unsigned char *)sig); + endian((unsigned char *)sig, BN_num_bytes(s)); + pack(bkey, pid, hash, sig); + printf("PID: %.8x\nHash: %.8x\nSig: %.8x %.8x\n", pid[0], hash[0], sig[1], sig[0]); + } while (bkey[3] >= 0x62a32); + + base24(pkey, bkey); + + BN_free(k); + BN_free(s); + BN_free(x); + BN_free(y); + EC_POINT_free(r); + + BN_CTX_free(ctx); +} + +int main() +{ + // Init + BIGNUM *a, *b, *p, *gx, *gy, *pubx, *puby, *n, *priv; + BN_CTX *ctx = BN_CTX_new(); + + // make BigNumbers + a = BN_new(); + b = BN_new(); + p = BN_new(); + gx = BN_new(); + gy = BN_new(); + pubx = BN_new(); + puby = BN_new(); + n = BN_new(); + priv = BN_new(); + + // Data from pidgen-Bink-resources + /* Elliptic curve parameters: y^2 = x^3 + ax + b mod p */ + BN_hex2bn(&p, "92ddcf14cb9e71f4489a2e9ba350ae29454d98cb93bdbcc07d62b502ea12238ee904a8b20d017197aae0c103b32713a9"); + BN_set_word(a, 1); + BN_set_word(b, 0); + + + /* base point (generator) G */ + BN_hex2bn(&gx, "46E3775ECE21B0898D39BEA57050D422A0AF989E497962BAEE2CB17E0A28D5360D5476B8DC966443E37A14F1AEF37742"); + BN_hex2bn(&gy, "7C8E741D2C34F4478E325469CD491603D807222C9C4AC09DDB2B31B3CE3F7CC191B3580079932BC6BEF70BE27604F65E"); + + /* inverse of public key */ + BN_hex2bn(&pubx, "5D8DBE75198015EC41C45AAB6143542EB098F6A5CC9CE4178A1B8A1E7ABBB5BC64DF64FAF6177DC1B0988AB00BA94BF8"); + BN_hex2bn(&puby, "23A2909A0B4803C89F910C7191758B48746CEA4D5FF07667444ACDB9512080DBCA55E6EBF30433672B894F44ACE92BFA"); + + // Computed data + /* order of G - computed in 18 hours using a P3-450 */ + BN_hex2bn(&n, "DB6B4C58EFBAFD"); + + /* THE private key - computed in 10 hours using a P3-450 */ + BN_hex2bn(&priv, "565B0DFF8496C8"); + + // Calculation + EC_GROUP *ec = EC_GROUP_new_curve_GFp(p, a, b, ctx); + EC_POINT *g = EC_POINT_new(ec); + EC_POINT_set_affine_coordinates_GFp(ec, g, gx, gy, ctx); + EC_POINT *pub = EC_POINT_new(ec); + EC_POINT_set_affine_coordinates_GFp(ec, pub, pubx, puby, ctx); + + unsigned char pkey[26]; + unsigned long pid[1]; + pid[0] = 640000000 << 1; /* <- change */ + + // generate a key + generate(pkey, ec, g, n, priv, pid); + printf("Product Key: "); print_product_key(pkey); printf("\n\n"); + + // verify the key + verify(ec, g, pub, (char*)pkey); + + // Cleanup + BN_CTX_free(ctx); + + return 0; +}