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4 items tagged "memory trade"

Related tags: read [+], phone [+], password [+], ophcrack [+], mitigation steps [+], hacking [+], gsm [+], commodity hardware [+], Tools [+], Hardware [+], windows password cracker [+], usa [+], rainbow [+], password hashes [+], interface [+], graphical user interface [+], cracking password [+], abu dhabi [+]

• September 19, 2011
• 10:32

  [Paper] Attacking phone privacy

   » ‎ SecDocs
  Authors: Karsten Nohl
  Tags: GSM phone
  Event: Black Hat USA 2010
  Abstract: Our most popular phone technologies use decade-old proprietary cryptography. GSM's 64bit A5/1 cipher, for instance, is vulnerable to time memory trade-offs but commercial cracking hardware costs hundreds of thousands of dollars. We discuss how cryptographic improvements and the power of the community created an open GSM decrypt solution that runs on commodity hardware. Besides GSM we discuss weaknesses in DECT cordless phones. The talk concludes with an overview of mitigation steps for GSM and DECT in response to our research, some of which are already being implemented.

  Tags:  gsm Hardware phone usa mitigation-steps commodity-hardware memory-trade  

• April 16, 2011
• 5:27

  [Paper] Attacking Phone Privacy

   » ‎ SecDocs
  Authors: Karsten Nohl
  Tags: GSM phone
  Event: Black Hat Abu Dhabi 2010
  Abstract: Our most popular phone technologies use decade-old proprietary cryptography. GSM's 64bit A5/1 cipher, for instance, is vulnerable to time memory trade-offs but commercial cracking hardware costs hundreds of thousands of dollars. We discuss how cryptographic improvements and the power of the community created an open GSM decrypt solution that runs on commodity hardware. Besides GSM we discuss weaknesses in DECT cordless phones. The talk concludes with an overview of mitigation steps for GSM and DECT in response to our research, some of which are already being implemented.

  Tags:  gsm Hardware phone abu-dhabi mitigation-steps commodity-hardware memory-trade  

• March 18, 2011
• 1:22

  Wophcrack – Web Based Interface For Ophcrack Password Cracking Tool

   » ‎ Darknet
  I’m assuming everyone reading already knows about Ophcrack – the awesome time/memory trade-off password cracker. Well here is a nifty web-based interface for it. Rainbow Tables are really useful when cracking password hashes, but one major disadvantage of these tables is their size which can be hundreds of gigs for complex tables. The...
  
  Read the full post at darknet.org.uk

  
  

  

  Tags:  ophcrack password interface read password-hashes memory-trade cracking-password hacking Tools  

• March 16, 2011
• 1:07

  Ophcrack 3.3.1 & LiveCD – Free Rainbow Table Password Cracking Tool

   » ‎ Darknet
  Ophcrack is a free Windows password cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a Graphical User Interface and runs on multiple platforms. It works based on a time-memory trade-off using rainbow tables. This is a new variant of [...]
  
  Read the full post at darknet.org.uk

  
  

  

  Tags:  rainbow ophcrack password read windows-password-cracker graphical-user-interface memory-trade hacking Tools