/[rdesktop]/sourceforge.net/trunk/rdesktop/licence.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Diff of /sourceforge.net/trunk/rdesktop/licence.c

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revision 1372 by jsorg71, Mon Jan 8 04:47:06 2007 UTC revision 1374 by jsorg71, Tue Jan 9 07:24:44 2007 UTC
# Line 19  Line 19 
19  */  */
20    
21  #include "rdesktop.h"  #include "rdesktop.h"
22  #include <openssl/rc4.h>  #include "ssl.h"
23    
24  extern char g_username[64];  extern char g_username[64];
25  extern char g_hostname[16];  extern char g_hostname[16];
# Line 143  licence_process_demand(STREAM s) Line 143  licence_process_demand(STREAM s)
143          uint8 hwid[LICENCE_HWID_SIZE];          uint8 hwid[LICENCE_HWID_SIZE];
144          uint8 *licence_data;          uint8 *licence_data;
145          int licence_size;          int licence_size;
146          RC4_KEY crypt_key;          SSL_RC4 crypt_key;
147    
148          /* Retrieve the server random from the incoming packet */          /* Retrieve the server random from the incoming packet */
149          in_uint8p(s, server_random, SEC_RANDOM_SIZE);          in_uint8p(s, server_random, SEC_RANDOM_SIZE);
# Line 161  licence_process_demand(STREAM s) Line 161  licence_process_demand(STREAM s)
161                  sec_sign(signature, 16, g_licence_sign_key, 16, hwid, sizeof(hwid));                  sec_sign(signature, 16, g_licence_sign_key, 16, hwid, sizeof(hwid));
162    
163                  /* Now encrypt the HWID */                  /* Now encrypt the HWID */
164                  RC4_set_key(&crypt_key, 16, g_licence_key);                  ssl_rc4_set_key(&crypt_key, g_licence_key, 16);
165                  RC4(&crypt_key, sizeof(hwid), hwid, hwid);                  ssl_rc4_crypt(&crypt_key, hwid, hwid, sizeof(hwid));
166    
167                  licence_present(null_data, null_data, licence_data, licence_size, hwid, signature);                  licence_present(null_data, null_data, licence_data, licence_size, hwid, signature);
168                  xfree(licence_data);                  xfree(licence_data);
# Line 230  licence_process_authreq(STREAM s) Line 230  licence_process_authreq(STREAM s)
230          uint8 hwid[LICENCE_HWID_SIZE], crypt_hwid[LICENCE_HWID_SIZE];          uint8 hwid[LICENCE_HWID_SIZE], crypt_hwid[LICENCE_HWID_SIZE];
231          uint8 sealed_buffer[LICENCE_TOKEN_SIZE + LICENCE_HWID_SIZE];          uint8 sealed_buffer[LICENCE_TOKEN_SIZE + LICENCE_HWID_SIZE];
232          uint8 out_sig[LICENCE_SIGNATURE_SIZE];          uint8 out_sig[LICENCE_SIGNATURE_SIZE];
233          RC4_KEY crypt_key;          SSL_RC4 crypt_key;
234    
235          /* Parse incoming packet and save the encrypted token */          /* Parse incoming packet and save the encrypted token */
236          licence_parse_authreq(s, &in_token, &in_sig);          licence_parse_authreq(s, &in_token, &in_sig);
237          memcpy(out_token, in_token, LICENCE_TOKEN_SIZE);          memcpy(out_token, in_token, LICENCE_TOKEN_SIZE);
238    
239          /* Decrypt the token. It should read TEST in Unicode. */          /* Decrypt the token. It should read TEST in Unicode. */
240          RC4_set_key(&crypt_key, 16, g_licence_key);          ssl_rc4_set_key(&crypt_key, g_licence_key, 16);
241          RC4(&crypt_key, LICENCE_TOKEN_SIZE, in_token, decrypt_token);          ssl_rc4_crypt(&crypt_key, in_token, decrypt_token, LICENCE_TOKEN_SIZE);
242    
243          /* Generate a signature for a buffer of token and HWID */          /* Generate a signature for a buffer of token and HWID */
244          licence_generate_hwid(hwid);          licence_generate_hwid(hwid);
# Line 247  licence_process_authreq(STREAM s) Line 247  licence_process_authreq(STREAM s)
247          sec_sign(out_sig, 16, g_licence_sign_key, 16, sealed_buffer, sizeof(sealed_buffer));          sec_sign(out_sig, 16, g_licence_sign_key, 16, sealed_buffer, sizeof(sealed_buffer));
248    
249          /* Now encrypt the HWID */          /* Now encrypt the HWID */
250          RC4_set_key(&crypt_key, 16, g_licence_key);          ssl_rc4_set_key(&crypt_key, g_licence_key, 16);
251          RC4(&crypt_key, LICENCE_HWID_SIZE, hwid, crypt_hwid);          ssl_rc4_crypt(&crypt_key, hwid, crypt_hwid, LICENCE_HWID_SIZE);
252    
253          licence_send_authresp(out_token, crypt_hwid, out_sig);          licence_send_authresp(out_token, crypt_hwid, out_sig);
254  }  }
# Line 257  licence_process_authreq(STREAM s) Line 257  licence_process_authreq(STREAM s)
257  static void  static void
258  licence_process_issue(STREAM s)  licence_process_issue(STREAM s)
259  {  {
260          RC4_KEY crypt_key;          SSL_RC4 crypt_key;
261          uint32 length;          uint32 length;
262          uint16 check;          uint16 check;
263          int i;          int i;
# Line 267  licence_process_issue(STREAM s) Line 267  licence_process_issue(STREAM s)
267          if (!s_check_rem(s, length))          if (!s_check_rem(s, length))
268                  return;                  return;
269    
270          RC4_set_key(&crypt_key, 16, g_licence_key);          ssl_rc4_set_key(&crypt_key, g_licence_key, 16);
271          RC4(&crypt_key, length, s->p, s->p);          ssl_rc4_crypt(&crypt_key, s->p, s->p, length);
272    
273          in_uint16(s, check);          in_uint16(s, check);
274          if (check != 0)          if (check != 0)
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