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7.1.2 slower than 6.1.2 for SHA512

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7.1.2 slower than 6.1.2 for SHA512
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#9
08-28-2025, 04:53 PM (This post was last modified: 08-28-2025, 04:56 PM by atom. Edit Reason: format )
As a workaround, you can stick to optimized mode, unless you really need password length >= 16 support, and enjoy 7.1.2 improved performance.

This is a 10k iterated sh512crypt on my 4090:

7.1.2:

Code:
Session..........: hashcat
Status...........: Running
Hash.Mode........: 1800 (sha512crypt $6$, SHA512 (Unix))
Hash.Target......: $6$rounds=10000$87$s7eRJvRffP/tMSxP8JfH8xHXN459xOC9...YGvBM1
Time.Started.....: Thu Aug 28 14:52:00 2025 (0 secs)
Time.Estimated...: Fri May 25 22:39:42 2029 (3 years, 270 days)
Kernel.Feature...: Optimized Kernel (password length 0-15 bytes)
Guess.Mask.......: ?a?a?a?a?a?a?a [7]
Guess.Queue......: 1/1 (100.00%)
Speed.#01........:   591.6 kH/s (86.88ms) @ Accel:16 Loops:1000 Thr:256 Vec:1
Recovered........: 0/1 (0.00%) Digests (total), 0/1 (0.00%) Digests (new)
Progress.........: 0/69833729609375 (0.00%)
Rejected.........: 0/0 (0.00%)
Restore.Point....: 0/735091890625 (0.00%)
Restore.Sub.#01..: Salt:0 Amplifier:0-1 Iteration:9000-10000
Candidate.Engine.: Device Generator
Candidates.#01...: sarieri -> s;iBONA
Hardware.Mon.#01.: Temp: 57c Fan:  0% Util: 99% Core:2655MHz Mem:10251MHz Bus:16

6.2.6:

Code:
Session..........: hashcat
Status...........: Running
Hash.Mode........: 1800 (sha512crypt $6$, SHA512 (Unix))
Hash.Target......: $6$rounds=10000$87$s7eRJvRffP/tMSxP8JfH8xHXN459xOC9...YGvBM1
Time.Started.....: Thu Aug 28 14:52:09 2025 (1 sec)
Time.Estimated...: Tue Jul 31 07:29:28 2029 (3 years, 336 days)
Kernel.Feature...: Optimized Kernel
Guess.Mask.......: ?a?a?a?a?a?a?a [7]
Guess.Queue......: 1/1 (100.00%)
Speed.#1.........:   564.2 kH/s (91.80ms) @ Accel:2048 Loops:1024 Thr:256 Vec:1
Recovered........: 0/1 (0.00%) Digests (total), 0/1 (0.00%) Digests (new)
Progress.........: 524288/69833729609375 (0.00%)
Rejected.........: 0/524288 (0.00%)
Restore.Point....: 0/735091890625 (0.00%)
Restore.Sub.#1...: Salt:0 Amplifier:1-2 Iteration:0-1024
Candidate.Engine.: Device Generator
Candidates.#1....: marieri -> m;iBONA
Hardware.Mon.#1..: Temp: 58c Fan: 30% Util: 99% Core:2625MHz Mem:10251MHz Bus:16
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Messages In This Thread
7.1.2 slower than 6.1.2 for SHA512 - by zamgold - 08-26-2025, 12:44 PM
RE: 7.1.2 slower than 6.1.2 for SHA512 - by atom - 08-26-2025, 02:05 PM
RE: 7.1.2 slower than 6.1.2 for SHA512 - by atom - 08-27-2025, 11:38 AM
RE: 7.1.2 slower than 6.1.2 for SHA512 - by atom - 08-28-2025, 03:49 PM
RE: 7.1.2 slower than 6.1.2 for SHA512 - by atom - 08-28-2025, 04:53 PM
RE: 7.1.2 slower than 6.1.2 for SHA512 - by atom - 08-28-2025, 08:15 PM