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Forgotten TrueCrypt password

post #1 of 6
Thread Starter 
I have a TrueCrypt volume on one of my USB flash drives that I haven't used in a while.I don't *think* I have any important data on the TrueCrypt volume but I'd just like to make sure before I delete it. I've forgotten the password to the file but I can more or less generate a small dictionary (of not quite actual words) that I may have used for the password. A quick Google search came up with TrueCrack but it's Linux only. Are there any similar software available for Windows?

Thanks!
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Garnet
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post #2 of 6

The point of truecript is for it do be secure. If it was easily hackable it would be pointless, now wouldn't it? Try your best guesses, otherwise it's a loss.

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post #3 of 6
While I second, nvidiaftw12, in that you can consider your data gone, there is at least a chance (however small) that you may be able to recover the data. While remembering your password is always the best route, there are other things to try if you are (1) truly desperate or (2) just want to see if you can get your back.

TrueCrack (google.com) is a brute force tool for TrueCrypt volumes that appears to have both CPU and GPU (CUDA) support. You would have to check it out and see how it works as I have not tried this tool personally.
post #4 of 6

Yeah if it's only aes and 6 digits you could probably get it fairly fast, but many more and it's gg.

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[Corsair] 120gb Force GT Some Lite-On thing [Coolermaster] V8 Winders 
MonitorKeyboardPowerCase
[Gateway] FDH2402 [CM Storm] QuickFire TK [XFX] Core Edition PRO850W [In Win] Dragon Rider 
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[CM Storm] Sentinel Advance II [AUDIOTRAK] Prodigy HD2 ADVANCE DE [Polk Audio] PSW 505 and Monitor 40's Denon AVR-791 
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by khoralin View Post

While I second, nvidiaftw12, in that you can consider your data gone, there is at least a chance (however small) that you may be able to recover the data. While remembering your password is always the best route, there are other things to try if you are (1) truly desperate or (2) just want to see if you can get your back.

TrueCrack (google.com) is a brute force tool for TrueCrypt volumes that appears to have both CPU and GPU (CUDA) support. You would have to check it out and see how it works as I have not tried this tool personally.

TrueCrack is Linux only that's why I went here to ask about Windows options. Looks like I may have to roll my own solution. Password is at least 20 characters but I can narrow down potential passwords via use of a custom dictionary. If I didn't go all crazy, there's 17,472 possible passwords. If I did, 4,433,514,624 and that's not even taking cases and characted substitutions into account - wonder how many years that'll take with current processing power available? In any case, if I strike out on the 17,000 password set, I'll likely just give up.
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Lucifiel
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G.SKILL Phoenix Pro 120GB Windows 7 Ultimate x64 Silverstone ST45SF 450W Silverstone Sugo SG05B 
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Garnet
(11 items)
 
Lucifiel
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Metatron
(13 items)
 
CPUMotherboardRAMHard Drive
Intel Core i5-3450S Intel DQ77KB Corsair 16GB DDR3 1600 SO-DIMM Samsung 830 256GB 
Hard DriveHard DriveCoolingOS
Crucial m4 256 mSATA Samsung 840 500GB Intel BXHTS1155LP Windows 7 Ultimate x64 
KeyboardCaseMouse
Logitech K800 Lian Li PC-Q05B Logitech M570 
CPUMotherboardGraphicsRAM
Core i7-860 Gigabyte GA-H55N-USB3 EVGA GTX 460 1GB GDDR5 Kingston 2x4GB DDR3 1333 
Hard DriveOSPowerCase
G.SKILL Phoenix Pro 120GB Windows 7 Ultimate x64 Silverstone ST45SF 450W Silverstone Sugo SG05B 
CPUMotherboardGraphicsRAM
Core i7-860 Biostar TH55B HD MSI GT 240 1GB GDDR5 Kingston 2x2GB DDR3 1333 
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post #6 of 6
Quote:
Originally Posted by rui-no-onna View Post

TrueCrack is Linux only that's why I went here to ask about Windows options. Looks like I may have to roll my own solution. Password is at least 20 characters but I can narrow down potential passwords via use of a custom dictionary. If I didn't go all crazy, there's 17,472 possible passwords. If I did, 4,433,514,624 and that's not even taking cases and characted substitutions into account - wonder how many years that'll take with current processing power available? In any case, if I strike out on the 17,000 password set, I'll likely just give up.

You could always install ubuntu to a thumb drive and just boot from that. Install truecrack to the thumb drive while in ubuntu and you should be good to go.
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My System
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F@H & Hyper-v
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CPUMotherboardGraphicsRAM
i7-2600k Asus Maximus IV GTX 570 2x4GB G.Skill Ripjaws X 
Hard DriveHard DriveHard DriveOptical Drive
128GB Crucial M4 300GB WD VelociRaptor 2x 500GB Seagate LG Blu-Ray 
CoolingOSMonitorPower
Corsair H80 Windows 7 Pro x64 Samsung 216bw Ultra X3 1000w 
Case
Corsair 800d 
CPUHard DriveOS
2x XEON 2.4GHZ 6x15,000 RPM SCSI Ubuntu 
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X5650 X5650 EVGA SR-2 24GB Corsair Dominator Platinum 
Hard DriveHard DriveCoolingCooling
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