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Date: Tue, 29 Sep 2015 15:04:54 +0530
From: Sayantan Datta <std2048@...il.com>
To: john-dev <john-dev@...ts.openwall.com>
Subject: Reading loaded password hashes inside crypt-all.
Hi Solar,
Are password hashes removed from database as they are cracked ? Apparently
there are discrepancies between salt->count and number of remaining hashes
in salt->list. While salt-count is updated, it seems like salt->list is not
updated to reflect the cracked hashes.
pw = salt -> list;
i = 0;
do {
bin = (int *)pw -> binary;
if (bin != NULL) {
store_binary();
i++ ;
}
} while ((pw = pw -> next)) ;
Running this loop in the middle of cracking results in 'i' being greater
than 'salt->count' !! Some recent change might have triggered this issue.
Earlier, such behavior were not noticed.
This broke an optimization where hashes are re-loaded onto GPU after some
of them are cracked, resulting in better speed!!
Regadrs,
Sayantan
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