diff options
Diffstat (limited to 'Srv2003KGmain.cpp')
-rw-r--r-- | Srv2003KGmain.cpp | 83 |
1 files changed, 40 insertions, 43 deletions
diff --git a/Srv2003KGmain.cpp b/Srv2003KGmain.cpp index 48b10c9..5527a88 100644 --- a/Srv2003KGmain.cpp +++ b/Srv2003KGmain.cpp @@ -6,15 +6,12 @@ #include <openssl/rand.h> #include <assert.h> -typedef unsigned char U8; -typedef unsigned long U32; - -U8 cset[] = "BCDFGHJKMPQRTVWXY2346789"; +uint8_t cset[] = "BCDFGHJKMPQRTVWXY2346789"; #define FIELD_BITS_2003 512 #define FIELD_BYTES_2003 64 -void unpack2003(U32 *osfamily, U32 *hash, U32 *sig, U32 *prefix, U32 *raw) +void unpack2003(uint32_t *osfamily, uint32_t *hash, uint32_t *sig, uint32_t *prefix, uint32_t *raw) { osfamily[0] = raw[0] & 0x7ff; hash[0] = ((raw[0] >> 11) | (raw[1] << 21)) & 0x7fffffff; @@ -23,7 +20,7 @@ void unpack2003(U32 *osfamily, U32 *hash, U32 *sig, U32 *prefix, U32 *raw) prefix[0] = (raw[3] >> 8) & 0x3ff; } -void pack2003(U32 *raw, U32 *osfamily, U32 *hash, U32 *sig, U32 *prefix) +void pack2003(uint32_t *raw, uint32_t *osfamily, uint32_t *hash, uint32_t *sig, uint32_t *prefix) { raw[0] = osfamily[0] | (hash[0] << 11); raw[1] = (hash[0] >> 21) | (sig[0] << 10); @@ -31,18 +28,18 @@ void pack2003(U32 *raw, U32 *osfamily, U32 *hash, U32 *sig, U32 *prefix) raw[3] = (sig[1] >> 22) | (prefix[0] << 8); } -static void endian(U8 *x, int n) +static void endian(uint8_t *x, int n) { int i; for (i = 0; i < n/2; i++) { - U8 t; + uint8_t t; t = x[i]; x[i] = x[n-i-1]; x[n-i-1] = t; } } -void unbase24(U32 *x, U8 *c) +void unbase24(uint32_t *x, uint8_t *c) { memset(x, 0, 16); int i, n; @@ -56,15 +53,15 @@ void unbase24(U32 *x, U8 *c) BN_add_word(y, c[i]); } n = BN_num_bytes(y); - BN_bn2bin(y, (U8 *)x); + BN_bn2bin(y, (uint8_t *)x); BN_free(y); - endian((U8 *)x, n); + endian((uint8_t *)x, n); } -void base24(U8 *c, U32 *x) +void base24(uint8_t *c, uint32_t *x) { - U8 y[16]; + uint8_t y[16]; int i; BIGNUM *z; @@ -75,16 +72,16 @@ void base24(U8 *c, U32 *x) c[25] = 0; for (i = 24; i >= 0; i--) { - U8 t = BN_div_word(z, 24); + uint8_t t = BN_div_word(z, 24); c[i] = cset[t]; } BN_free(z); } -void print_product_key(U8 *pk) +void print_product_key(uint8_t *pk) { int i; - assert(strlen(pk) == 25); + assert(strlen((const char *)pk) == 25); for (i = 0; i < 25; i++) { putchar(pk[i]); if (i != 24 && i % 5 == 4) putchar('-'); @@ -93,7 +90,7 @@ void print_product_key(U8 *pk) void verify2003(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *cdkey) { - U8 key[25]; + uint8_t key[25]; int i, j, k; BN_CTX *ctx = BN_CTX_new(); @@ -109,16 +106,16 @@ void verify2003(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *c if (k >= 25) break; } - U32 bkey[4] = {0}; - U32 osfamily[1], hash[1], sig[2], prefix[1]; + uint32_t bkey[4] = {0}; + uint32_t 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]; + uint8_t buf[FIELD_BYTES_2003], md[20]; + uint32_t h1[2]; SHA_CTX h_ctx; /* h1 = SHA-1(5D || OS Family || Hash || Prefix || 00 00) */ @@ -143,10 +140,10 @@ void verify2003(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *c 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); + endian((uint8_t *)sig, 8); + endian((uint8_t *)h1, 8); + s = BN_bin2bn((uint8_t *)sig, 8, NULL); + h = BN_bin2bn((uint8_t *)h1, 8, NULL); EC_POINT *r = EC_POINT_new(ec); EC_POINT *t = EC_POINT_new(ec); @@ -157,7 +154,7 @@ void verify2003(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *c EC_POINT_mul(ec, r, NULL, r, s, ctx); EC_POINT_get_affine_coordinates_GFp(ec, r, x, y, ctx); - U32 h2[1]; + uint32_t h2[1]; /* h2 = SHA-1(79 || OS Family || r.x || r.y) */ SHA1_Init(&h_ctx); buf[0] = 0x79; @@ -167,12 +164,12 @@ void verify2003(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *c memset(buf, 0, FIELD_BYTES_2003); BN_bn2bin(x, buf); - endian((U8 *)buf, FIELD_BYTES_2003); + endian((uint8_t *)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); + endian((uint8_t *)buf, FIELD_BYTES_2003); SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003); SHA1_Final(md, &h_ctx); @@ -191,7 +188,7 @@ void verify2003(EC_GROUP *ec, EC_POINT *generator, EC_POINT *public_key, char *c BN_CTX_free(ctx); } -void generate2003(U8 *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BIGNUM *priv, U32 *osfamily, U32 *prefix) +void generate2003(uint8_t *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BIGNUM *priv, uint32_t *osfamily, uint32_t *prefix) { BN_CTX *ctx = BN_CTX_new(); @@ -202,10 +199,10 @@ void generate2003(U8 *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BI 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]; + uint32_t bkey[4]; + uint8_t buf[FIELD_BYTES_2003], md[20]; + uint32_t h1[2]; + uint32_t hash[1], sig[2]; SHA_CTX h_ctx; @@ -224,12 +221,12 @@ void generate2003(U8 *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BI memset(buf, 0, FIELD_BYTES_2003); BN_bn2bin(x, buf); - endian((U8 *)buf, FIELD_BYTES_2003); + endian((uint8_t *)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); + endian((uint8_t *)buf, FIELD_BYTES_2003); SHA1_Update(&h_ctx, buf, FIELD_BYTES_2003); SHA1_Final(md, &h_ctx); @@ -255,8 +252,8 @@ void generate2003(U8 *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BI 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); + endian((uint8_t *)h1, 8); + BN_bin2bn((uint8_t *)h1, 8, b); BN_mod_mul(b, b, priv, order, ctx); BN_copy(s, b); BN_mod_sqr(s, s, order, ctx); @@ -269,8 +266,8 @@ void generate2003(U8 *pkey, EC_GROUP *ec, EC_POINT *generator, BIGNUM *order, BI } BN_rshift1(s, s); sig[0] = sig[1] = 0; - BN_bn2bin(s, (U8 *)sig); - endian((U8 *)sig, BN_num_bytes(s)); + BN_bn2bin(s, (uint8_t *)sig); + endian((uint8_t *)sig, BN_num_bytes(s)); if (sig[1] < 0x40000000) break; } pack2003(bkey, osfamily, hash, sig, prefix); @@ -325,15 +322,15 @@ int main() 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]; + uint8_t pkey[25]; + uint32_t osfamily[1], prefix[1]; osfamily[0] = 1280; - RAND_pseudo_bytes((U8 *)prefix, 4); + RAND_pseudo_bytes((uint8_t *)prefix, 4); prefix[0] &= 0x3ff; generate2003(pkey, ec, g, n, priv, osfamily, prefix); print_product_key(pkey); printf("\n\n"); - verify2003(ec, g, pub, pkey); + verify2003(ec, g, pub, (char*)pkey); BN_CTX_free(ctx); |