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Message-ID: <kBrh9KAzMiVET49SaRhQcF380MHkvILoNnZoqIrODNkpyCdkGD0iDRUxsQ8rPEp4zc4JeUhyOfD0wkmBXjNHLxNXWY9Ru3LNgIQWuZCaMdw=@protonmail.com>
Date: Thu, 18 Feb 2021 09:04:59 +0000
From: Misgac04 <Misgac04@...tonmail.com>
To: "john-users@...ts.openwall.com" <john-users@...ts.openwall.com>
Subject: HMAC-SHA256 Max length / Bug ?
Hi,
I'm using john 1.9.0.jumbo1-5, from blackarch.
I'm having issues at cracking hmac-sha256 key because john skip my hash, I think my message/signature combination seems too long.
For instance this works well:
john.txt
hello#750f39f4f1bc9dfb785a9a939d324227e910cf33af8bbd4e7a65012d385e508c
However this is not loaded by john
john.txt
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa#26a8d8c86b34a358817ced22bfde859642ba4d13a30a0b814345cb3e878b8618
In that case john says: No password hashes loaded (see FAQ)
I'm using john like that: john --format=HMAC-SHA256 ./john.txt
My practical case is with a message of 3kbytes.
I understand there may be length limitations but I cannot find it documented anywhere.
Or maybe there is not and it's an issue with john.
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