/* Initialise RC4 state arrays */
RC4_set_key(&rc4_decrypt_key, rc4_key_len, sec_decrypt_key);
RC4_set_key(&rc4_encrypt_key, rc4_key_len, sec_encrypt_key);
+
+ {
+ int i;
+ printf("sec_decrypt_key: ");
+ for (i = 0; i < 16; ++i)
+ printf("0x%02x ", sec_decrypt_key[i]);
+ printf("\n");
+
+ printf("sec_encrypt_key: ");
+ for (i = 0; i < 16; ++i)
+ printf("0x%02x ", sec_encrypt_key[i]);
+ printf("\n");
+ }
}
static uint8 pad_54[40] = {
if (use_count == 4096)
{
- sec_update(sec_encrypt_key, sec_encrypt_update_key);
- RC4_set_key(&rc4_encrypt_key, rc4_key_len, sec_encrypt_key);
+ sec_update(sec_decrypt_key, sec_decrypt_update_key);
+ RC4_set_key(&rc4_decrypt_key, rc4_key_len, sec_decrypt_key);
use_count = 0;
}
- RC4(&rc4_encrypt_key, length, data, data);
+ RC4(&rc4_decrypt_key, length, data, data);
use_count++;
}
if (use_count == 4096)
{
- sec_update(sec_decrypt_key, sec_decrypt_update_key);
- RC4_set_key(&rc4_decrypt_key, rc4_key_len, sec_decrypt_key);
+ sec_update(sec_encrypt_key, sec_encrypt_update_key);
+ RC4_set_key(&rc4_encrypt_key, rc4_key_len, sec_encrypt_key);
use_count = 0;
}
- RC4(&rc4_decrypt_key, length, data, data);
+ RC4(&rc4_encrypt_key, length, data, data);
use_count++;
}
}
}
+extern unsigned char cacert[];
+
+unsigned char demand_license[] = {
+ 0x01, 0x03, 0x86, 0x00, 0x9c, 0x6e, 0xef, 0x5a, 0x26, 0x45, 0x88, 0x86, 0x0e, 0xdf, 0xa4, 0x4a,
+ 0x45, 0xc7, 0x5a, 0x4c, 0xec, 0x33, 0xff, 0x4c, 0xd8, 0x4b, 0xd2, 0x4e, 0xd2, 0x22, 0x16, 0xde,
+ 0x1e, 0x5b, 0x06, 0x6e, 0x00, 0x00, 0x05, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x4d, 0x00, 0x69, 0x00,
+ 0x63, 0x00, 0x72, 0x00, 0x6f, 0x00, 0x73, 0x00, 0x6f, 0x00, 0x66, 0x00, 0x74, 0x00, 0x20, 0x00,
+ 0x43, 0x00, 0x6f, 0x00, 0x72, 0x00, 0x70, 0x00, 0x6f, 0x00, 0x72, 0x00, 0x61, 0x00, 0x74, 0x00,
+ 0x69, 0x00, 0x6f, 0x00, 0x6e, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x41, 0x00, 0x30, 0x00,
+ 0x32, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04, 0xf6, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x0e, 0x00, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66,
+ 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x00
+};
+unsigned char authreq_license[] = {
+ 0x02, 0x03, 0x26, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x0a, 0x00, 0x37, 0x58, 0x0f, 0xc6,
+ 0x59, 0xfb, 0x03, 0xb2, 0x2a, 0xb7, 0xfa, 0x65, 0xac, 0x02, 0x8d, 0x8b, 0xda, 0xf7, 0xc5, 0x20,
+ 0x1b, 0xe3, 0x65, 0x26, 0xc4, 0x6a
+};
+unsigned char result_license[] = {
+ 0xff, 0x03, 0x10, 0x00, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x6a, 0xbd, 0x00, 0x00
+};
+
+#define EXPECT8(value) { in_uint8(s, unknown); if (unknown != (value)) printf("Unknown value on code line %u; expected 0x%x, got 0x%x\n", __LINE__, (value), unknown); }
+#define EXPECT16(value) { in_uint16_le(s, unknown); if (unknown != (value)) printf("Unknown value on code line %u; expected 0x%x, got 0x%x\n", __LINE__, (value), unknown); }
+#define EXPECT32(value) { in_uint32_le(s, unknown); if (unknown != (value)) printf("Unknown value on code line %u; expected 0x%x, got 0x%x\n", __LINE__, (value), unknown); }
+
+void
+process_presented_license(STREAM s)
+{
+ unsigned char client_license_random[SEC_RANDOM_SIZE];
+ unsigned char client_license_rsa_data[SEC_MODULUS_SIZE];
+
+ uint16 length, license_size;
+ uint32 unknown;
+ uint8 *license, hwid[LICENCE_HWID_SIZE], signature[LICENCE_SIGNATURE_SIZE];
+ int i;
+
+ EXPECT8(2); // version
+ in_uint16_le(s, length);
+
+ EXPECT32(1); // unknown
+ EXPECT16(0);
+ EXPECT16(0x0201);
+
+ in_uint8a(s, client_license_random, SEC_RANDOM_SIZE);
+ EXPECT16(0);
+ EXPECT16(SEC_MODULUS_SIZE + SEC_PADDING_SIZE);
+ in_uint8a(s, client_license_rsa_data, SEC_MODULUS_SIZE);
+ in_uint8s(s, SEC_PADDING_SIZE);
+
+ EXPECT16(1);
+ in_uint16_le(s, license_size);
+
+ license = (uint8 *)xmalloc(license_size);
+ in_uint8a(s, license, license_size);
+
+ printf("Received license:\n");
+ for (i = 0; i < license_size; ++i)
+ printf(" 0x%02x", license[i]);
+ printf("\n");
+
+ EXPECT16(1);
+ EXPECT16(LICENCE_HWID_SIZE);
+ in_uint8a(s, hwid, LICENCE_HWID_SIZE);
+
+ printf("License hardware ID:\n");
+ for (i = 0; i < LICENCE_HWID_SIZE; ++i)
+ printf(" 0x%02x", hwid[i]);
+ printf("\n");
+
+ in_uint8a(s, signature, LICENCE_SIGNATURE_SIZE);
+
+ if (!s_check_end(s)) {
+ printf("Unknown data at the end of presented license!");
+ }
+
+ // now we can generate the keys we need
+ licence_generate_keys(client_license_random, demand_license + 4, client_license_rsa_data);
+}
+
/* Receive secure transport packet */
STREAM
sec_recv(void)
if (sec_flags & SEC_LICENCE_NEG)
{
- printf("SEC_LICENSE_NEG unknown\n");
+ uint8 tag;
+ in_uint8(s, tag);
+ printf("SEC_LICENSE_NEG tag %x\n", tag);
+
+ if (tag == LICENCE_TAG_PRESENT) {
+ process_presented_license(s);
+ }
+
//licence_process(s);
continue;
}
{
printf("Received logon packet!\n");
rdp_get_logon_info(s);
+
+ // demand a license
+ {
+ STREAM s;
+
+ s = sec_init(sizeof(demand_license), SEC_LICENCE_NEG);
+ out_uint8p(s, demand_license, sizeof(demand_license));
+ s_mark_end(s);
+ sec_send(s, SEC_LICENCE_NEG);
+ }
+
+ continue;
}
if (sec_flags & SEC_CLIENT_RANDOM) {
printf("0x%x ", inr[i + SEC_RANDOM_SIZE]);
}
printf("\n");
+
+ // now we can generate the keys
+ sec_generate_keys(inr + SEC_RANDOM_SIZE, cacert, 1);
+ continue;
}
}
projects / rdpsrv / blobdiff