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Thread: Mask option: date?
Post: Mask option: date?
| What would be the best approach to limit the key space of a password that contains a date, e.g. DDMM? Rights now I'm scripting a batch of hashcat command with masks like
0?d0?d
1?d0?d
2?d0?d
3... |
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John Doe |
hashcat
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5 |
7,371 |
07-04-2016, 11:59 PM |
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Thread: Mask option: date?
Post: RE: Mask option: date?
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ScAnMaG Wrote: (07-05-2016, 12:43 AM)
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Charset 1: 0123
Charset 2: 01
Charset 3: 12
Charset 4: 90
===================================================
Mask: ?1?d?2?d - For DDMM Only
For example... |
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John Doe |
hashcat
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5 |
7,371 |
07-08-2016, 11:28 PM |
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Thread: Mask option: date?
Post: RE: Mask option: date?
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rico Wrote: (07-08-2016, 11:36 PM)
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Stick the masks in a mask file: https://hashcat.net/wiki/doku.php?id=mask_attack#hashcat_mask_files
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How will this help? AFAIKS that's automating the problem... |
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John Doe |
hashcat
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5 |
7,371 |
07-08-2016, 11:48 PM |
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Thread: I'm overlooking something when implementing new algorithm: please help
Post: RE: I'm overlooking something when implementing ne...
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epixoip Wrote: (07-12-2016, 05:27 AM)
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Did you remove the cached kernel after rebuilding?
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Yes, by a make clean && make. |
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John Doe |
hashcat
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5 |
7,702 |
07-12-2016, 10:26 AM |
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Thread: I'm overlooking something when implementing new algorithm: please help
Post: I'm overlooking something when implementing new al...
| Hi,
I'd like to implement a DES-based algorithm. After figuring out how coding for oclHashcat works, everything went just fine. Implementation of step one, DES, works. What I did:
- Implement ... |
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John Doe |
hashcat
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5 |
7,702 |
07-12-2016, 12:37 AM |
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Thread: I'm overlooking something when implementing new algorithm: please help
Post: RE: I'm overlooking something when implementing ne...
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atom Wrote: (07-12-2016, 09:26 AM)
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Just a guess:
With a key 0xAAAAAAAAAAAAAAAA you do not have to care about Little endian/Big endian, because the key has always the same byte value. Try again ... |
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John Doe |
hashcat
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5 |
7,702 |
07-12-2016, 10:40 AM |
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Thread: Bitslice DES S-boxes with LOP3.LUT instructions
Post: Bitslice DES S-boxes with LOP3.LUT instructions
| I've been working on implementing a specific algorithm. Everything works, thanks to amongst others, some very useful tips and hints from the forum :)
On a Titan X (3072 cores), the algorithm runs ... |
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John Doe |
hashcat
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5 |
7,885 |
07-14-2016, 02:40 AM |
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Thread: Bitslice DES S-boxes with LOP3.LUT instructions
Post: RE: Bitslice DES S-boxes with LOP3.LUT instruction...
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atom Wrote: (07-14-2016, 12:20 PM)
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Bitsliced DES makes sense with brute-force -a 3 mode. Otherwise the register pressure is too strong and your data gets swapped on global memory, making everythin... |
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John Doe |
hashcat
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5 |
7,885 |
07-15-2016, 02:47 AM |
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Thread: Bitslice DES S-boxes with LOP3.LUT instructions
Post: RE: Bitslice DES S-boxes with LOP3.LUT instruction...
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atom Wrote: (07-15-2016, 10:28 AM)
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Quote:
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My first impression is that a < 400 speed boost for 1 high end 3k+ core GPU versus 1 outdated CPU is pretty poor
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There's no such general state... |
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John Doe |
hashcat
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5 |
7,885 |
07-18-2016, 12:43 AM |
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Thread: void _des_crypt_decrypt?
Post: void _des_crypt_decrypt?
| I'm working on support for an extra algorithm. The algorithm consists of a few well knows hashing and encryption algorithms. I've successfully implemented most steps, recycling code of a bunch already... |
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John Doe |
hashcat
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4 |
6,448 |
07-04-2016, 11:58 PM |
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Thread: void _des_crypt_decrypt?
Post: RE: void _des_crypt_decrypt?
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atom Wrote: (07-05-2016, 08:15 AM)
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For pure DES encryption or decryption you might want to check out the old DES oracle algorithm in -m 3100
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The old Oracle hashing algorithm only usese DES en... |
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John Doe |
hashcat
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4 |
6,448 |
07-05-2016, 08:43 AM |
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Thread: void _des_crypt_decrypt?
Post: RE: void _des_crypt_decrypt?
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atom Wrote: (07-05-2016, 08:56 AM)
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In DES, for decrypt, you just access the sboxes in reverse. See https://www.scs.stanford.edu/histar/src/pkg/uclibc/libcrypt/des.c how it handles de_keysl[] and en... |
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John Doe |
hashcat
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4 |
6,448 |
07-09-2016, 01:17 AM |
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Thread: Questions about kernels (a0/1/2/3), kernel functions (mXXXXXm/mXXXXXs) and debugging
Post: Questions about kernels (a0/1/2/3), kernel functio...
| I'd like to add a new algorithm to hashcat (3.00). It seems to me that e.g. https://github.com/hashcat/oclHashcat/commit/b9eefd9b20d85c16b92106aa90b14d2ac427179c
is a good starting point. I've got... |
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John Doe |
hashcat
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1 |
3,692 |
06-21-2016, 11:38 AM |
