js/scrypt-genpass
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Add simple algorithm for converting result hash to password

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This commit is contained in:
Chris Oei 2012-09-03 13:55:29 -07:00
parent b3d2d92c81
commit 395b11b807
6 changed files with 80 additions and 3 deletions
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16
main.c
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@ -41,7 +41,7 @@ usage(void)
{
fprintf(stderr,
"usage: scrypt-genpass [-m MAXMEM] [-o MAXOPS] [-k KEYFILE] [-p PASS] <site>\n");
"usage: scrypt-genpass [-l LEN] [-m MAXMEM] [-o MAXOPS] [-k KEYFILE] [-p PASS] <site>\n");
fprintf(stderr,
" scrypt-genpass -t\n");
exit(1);
@ -75,6 +75,7 @@ main(int argc, char *argv[])
FILE * outfile = stdout;
int dec = 0;
size_t passwdlen = 0;
size_t outputlength = 12;
uint32_t maxmem = 1000;
uint32_t megaops = 32;
char ch;
@ -90,11 +91,13 @@ main(int argc, char *argv[])
usage();
/* Parse arguments. */
while ((ch = getopt(argc, argv, "htk:m:o:p:")) != -1) {
while ((ch = getopt(argc, argv, "htk:l:m:o:p:")) != -1) {
switch (ch) {
case 'k':
keyfile = strdup(optarg);
break;
case 'l':
outputlength = atoi(optarg);
case 'm':
maxmem = atoi(optarg);
break;
@ -177,6 +180,15 @@ main(int argc, char *argv[])
bintohex(buf, 64, dk);
printf("Pass hex: %s\n", buf);
if ((outputlength < 3)||(outputlength > 64)) {
warn("Unable to generate password for output length %lu", outputlength);
exit(1);
}
char output[outputlength + 1];
hashtopass(output, outputlength, dk);
printf("Generated password: %s\n", output);
/* If we failed, print the right error message and exit. */
if (rc != 0) {
switch (rc) {