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added comments and changed executable name to xrdp-keygen

This commit is contained in:
jsorg71 2008-04-15 05:37:30 +00:00
parent 2363bd373b
commit cc464bbd04
2 changed files with 18 additions and 10 deletions
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8
keygen/Makefile
View File

@ -10,13 +10,13 @@ LDFLAGS =
LIBS = -ldl -lcrypto
CC = gcc
all: keygen_
all: xrdp-keygen
keygen_: $(KEYGENOBJ)
$(CC) $(LDFLAGS) -o keygen $(KEYGENOBJ) $(LIBS)
xrdp-keygen: $(KEYGENOBJ)
$(CC) $(LDFLAGS) -o xrdp-keygen $(KEYGENOBJ) $(LIBS)
clean:
rm -f $(KEYGENOBJ) keygen
rm -f $(KEYGENOBJ) xrdp-keygen
os_calls.o: ../common/os_calls.c
$(CC) $(C_OS_FLAGS) ../common/os_calls.c

20
keygen/keygen.c
View File

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