js/scrypt-genpass
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Add -p option and fixed memory bug

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This commit is contained in:
Chris Oei 2012-09-02 22:53:50 -07:00
parent d8d6735872
commit a3b016ceed
1 changed files with 13 additions and 8 deletions
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13
main.c
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@ -41,7 +41,7 @@ usage(void)
{
fprintf(stderr,
"usage: scrypt-genpass [-m MAXMEM] [-o MAXOPS] <site>\n");
"usage: scrypt-genpass [-m MAXMEM] [-o MAXOPS] [-p PASS] <site>\n");
exit(1);
}
@ -54,7 +54,7 @@ main(int argc, char *argv[])
uint32_t maxmem = 1000;
uint32_t megaops = 32;
char ch;
char * passwd;
char * passwd = NULL;
int rc;
int i;
@ -66,7 +66,7 @@ main(int argc, char *argv[])
usage();
/* Parse arguments. */
while ((ch = getopt(argc, argv, "hm:o:")) != -1) {
while ((ch = getopt(argc, argv, "hm:o:p:")) != -1) {
switch (ch) {
case 'm':
maxmem = atoi(optarg);
@ -74,6 +74,9 @@ main(int argc, char *argv[])
case 'o':
megaops = atoi(optarg);
break;
case 'p':
passwd = strdup(optarg);
break;
default:
usage();
}
@ -85,10 +88,12 @@ main(int argc, char *argv[])
if (argc != 1)
usage();
if (!passwd) {
/* Prompt for a password. */
if (tarsnap_readpass(&passwd, "Please enter passphrase",
dec ? NULL : "Please confirm passphrase", 1))
exit(1);
}
uint8_t dk[64];
rc = genpass(dk, (uint8_t *)passwd, strlen(passwd), (void*) *argv,
@ -98,7 +103,7 @@ main(int argc, char *argv[])
memset(passwd, 0, strlen(passwd));
free(passwd);
char* buf = malloc(65);
char buf[65];
for (i = 0; i < 64; i++) {
sprintf(buf + i, "%x", dk[i]);
}