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@ -106,17 +106,18 @@ static int APP_CC
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out_params(void)
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out_params(void)
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{
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{
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g_writeln("");
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g_writeln("");
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g_writeln("key gen utility examples");
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g_writeln("xrdp rsa key gen utility examples");
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g_writeln(" './keygen xrdp'");
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g_writeln(" './xrdp-keygen xrdp'");
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g_writeln(" './keygen test'");
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g_writeln(" './xrdp-keygen test'");
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g_writeln("");
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g_writeln("");
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return 0;
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return 0;
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}
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/* this is the special key signing algorithm */
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static int APP_CC
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static int APP_CC
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sign_key(char* e_data, int e_len, char* n_data, int n_len,
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sign_key(char* e_data, int e_len, char* n_data, int n_len,
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char* d_data, int d_len, char* sign_data, int sign_len)
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char* sign_data, int sign_len)
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{
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{
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char* key;
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char* key;
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char* md5_final;
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char* md5_final;
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@ -129,18 +130,26 @@ sign_key(char* e_data, int e_len, char* n_data, int n_len,
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key = (char*)g_malloc(176, 0);
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key = (char*)g_malloc(176, 0);
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md5_final = (char*)g_malloc(64, 0);
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md5_final = (char*)g_malloc(64, 0);
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md5 = ssl_md5_info_create();
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md5 = ssl_md5_info_create();
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/* copy the test key */
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g_memcpy(key, g_testkey, 176);
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g_memcpy(key, g_testkey, 176);
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/* replace e and n */
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g_memcpy(key + 32, e_data, 4);
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g_memcpy(key + 32, e_data, 4);
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g_memcpy(key + 36, n_data, 64);
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g_memcpy(key + 36, n_data, 64);
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ssl_md5_clear(md5);
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ssl_md5_clear(md5);
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/* the first 108 bytes */
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ssl_md5_transform(md5, key, 108);
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ssl_md5_transform(md5, key, 108);
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/* set the whole thing with 0xff */
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g_memset(md5_final, 0xff, 64);
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g_memset(md5_final, 0xff, 64);
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/* digest 16 bytes */
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ssl_md5_complete(md5, md5_final);
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ssl_md5_complete(md5, md5_final);
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/* set non 0xff array items */
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md5_final[16] = 0;
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md5_final[16] = 0;
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md5_final[62] = 1;
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md5_final[62] = 1;
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md5_final[63] = 0;
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md5_final[63] = 0;
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/* encrypt */
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ssl_mod_exp(sign_data, 64, md5_final, 64, (char*)g_ppk_n, 64,
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ssl_mod_exp(sign_data, 64, md5_final, 64, (char*)g_ppk_n, 64,
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(char*)g_ppk_d, 64);
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(char*)g_ppk_d, 64);
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/* cleanup */
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ssl_md5_info_delete(md5);
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ssl_md5_info_delete(md5);
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g_free(key);
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g_free(key);
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g_free(md5_final);
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g_free(md5_final);
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@ -260,8 +269,7 @@ key_gen(void)
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{
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{
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g_writeln("ssl_gen_key_xrdp1 ok");
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g_writeln("ssl_gen_key_xrdp1 ok");
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g_writeln("");
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g_writeln("");
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error = sign_key(e_data, e_len, n_data, n_len, d_data, d_len,
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error = sign_key(e_data, e_len, n_data, n_len, sign_data, sign_len);
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sign_data, sign_len);
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if (error != 0)
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if (error != 0)
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{
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{
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g_writeln("error %d in key_gen, sign_key", error);
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g_writeln("error %d in key_gen, sign_key", error);
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