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Password cracking method, host device and storage device

A technology of storage devices and host devices, which is applied in the field of information security, can solve problems such as long cracking time and large space occupied by rainbow tables, and achieve the effect of improving cracking speed

Inactive Publication Date: 2018-08-17
SHENZHEN DAPU MICROELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, as a compressed hash table, the rainbow table often takes up a huge space and takes a long time to crack for long passwords.

Method used

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  • Password cracking method, host device and storage device
  • Password cracking method, host device and storage device
  • Password cracking method, host device and storage device

Examples

Experimental program
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Embodiment Construction

[0044] Embodiments of the present invention provide a method for cracking passwords, a host device and a storage device, so as to achieve the purpose of increasing the cracking speed.

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0046]The terms "first" and "second" in the specification and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable u...

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PUM

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Abstract

The invention discloses a password cracking method, a host device and a storage device, which achieve the purpose of increasing the cracking speed. The method comprises the steps that the host devicecalculates a hash value of a to-be-cracked password through a preset attenuation function to obtain first to-be-selected password data; the host device sends the first to-be-selected password data asan input parameter to the storage device; and the host device receives an output parameter fed back by the storage device and performs cracking operation on the hash value according to the output parameter, wherein the output parameter is a first-of-chain node value corresponding to an end-of-chain node value matched successfully after the storage device matches the input parameter with the end-of-chain node value of a preset rainbow table through an internal storage controller.

Description

technical field [0001] The invention relates to the technical field of information security, in particular to a method for cracking passwords, a host device and a storage device. Background technique [0002] With the rapid development of the Internet, the problem of using computers and their networks to commit computer crimes is becoming more and more serious. During the investigation of such cases, in order to obtain investigative clues or extract electronic evidence used to prove the facts of the crime, it is often necessary to check the relevant files in the criminal suspect's computer. It is very difficult to log in to the computer involved in the case or open the files involved in the case when the password cannot be obtained through the confession. In such cases, password cracking techniques may be the only option. [0003] Currently, for simple passwords and password systems, password cracking can be done by brute force. And for more complicated passwords and pass...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/46G06F21/60H04L9/06H04L9/08
CPCG06F21/46G06F21/602H04L9/0643H04L9/0894
Inventor 肖宛昂尚宁
Owner SHENZHEN DAPU MICROELECTRONICS CO LTD
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