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Tableau Accelerator Algorithm Support
The Tableau TACC1441 Hardware Accelerator is based on a matrix of re-configurable
logic which can be re-targeted at numerous kinds of compute-intensive applications.
Password recovery is the first application for which Tableau has developed publicly
available algorithms and software support. The following table lists the password recovery
attacks currently available, the applications to be used for those attacks, and the
expected performance for a single accelerator when running the indicated password
attack.
Tableau is constantly adding new hardware accelerator algorithms, and this table
will be updated as new algorithms become available.
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Accelerator |
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Password Type |
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Application |
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Hardware Platform |
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Algorithm Version |
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Release Date |
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Performance6 (pwd/sec) |
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Notes |
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Ashampoo |
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PRTK / DNA5 |
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TACC1441 |
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v0.90 |
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Q3-2008 |
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16,600 |
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EFS |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2008 |
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4,300 |
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Ghost |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2008 |
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17,000 |
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Office2007 |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q1-2008 |
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3,050 |
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1 |
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Open Office |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2008 |
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22,700 |
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PGP Disk v4 |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2007 |
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27,500 |
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2 |
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PGP Disk v6 (AES256) |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2007 |
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13,500 +/- |
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2 |
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PGP Disk v6 (Cast128) |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2007 |
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27,000 +/- |
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2 |
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PGP Message
(Secret Key Ring) |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2007 |
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1,900 +/- |
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2 |
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PGP SDA |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2007 |
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59,000 +/- |
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2 |
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Roboform |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2008 |
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55,400 |
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Safehouse (v3+)
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2008 |
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9,750 |
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Steganos |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2008 |
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57,650 |
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TrueCrypt (SHA-1) |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2008 |
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2,650 |
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WinRAR |
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PRTK / DNA |
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TACC1441 |
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v0.90 |
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Q3-2007 |
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1,300 +/- |
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3, 4 |
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WinZip9 |
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PRTK / DNA |
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TACC1441 |
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v0.80 |
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Q3-2007 |
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60 - 65k |
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NOTES:
| 1. |
The Office2007 algorithm supports both Office2007 and OneNote.
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| 2. |
Performance varies with password length for some, but not all, PGP algorithms
(Performance for the PGP Disk v4 algorithm is not sensitive to password length). PGP performance
is shown for passwords with an average length of 5 characters. For those PGP algorithms which are sensitive
to password length, performance will be higher for shorter
passwords and lower for longer passwords.
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| 3. |
WinRAR performance varies with password length. A performance of 1,300 pwd/sec is based
on an average password length of 5 characters. Performance will be higher for shorter
passwords and lower for longer passwords.
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| 4. |
In order to validate/test a given RAR password it may be necessary to decrypt the entire
RAR file. As RAR files grow beyond a few kilobytes in size, file decryption begins to dominate
performance, and the effective passwords / second rate will drop dramatically. In this
situation, the Tableau Hardware Accelerator may be idle most of the time. But, if "header
encryption" is turned ON for a RAR file, then the passwords / second rate will not
decrease with increased RAR file size.
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| 5. |
PRTK refers to AccessData's Password Recovery ToolkitTM; and DNA refers to AccessData's Distributed
Network AttackTM.
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| 6. |
The table lists performance figures for a single Tableau hardware accelerator. For most
algorithms, performance increases linearly with the addition of more accelerators.
Tableau suggests reading the Host Computer Selection Guidelines document listed on
the
TACC1441 product page
for more information on using multiple accelerators
with a single computer.
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