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Security testing method and device for protocol implementation

A technology for protocol implementation and security testing, applied in the field of information security, can solve problems such as time-consuming, difficult to optimize and improve, and high cost of black-box testing, and achieve high execution efficiency and low implementation cost

Inactive Publication Date: 2012-08-01
SIEMENS AG
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the implementation cost of black-box testing is very high, it is also very time-consuming, and it is difficult to optimize and improve

Method used

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  • Security testing method and device for protocol implementation
  • Security testing method and device for protocol implementation
  • Security testing method and device for protocol implementation

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] The embodiment of the present invention proposes a method for security testing of Protocol Implementation. When testing a protocol implementation, the processing flow of this method is as follows figure 1 Shown include the following steps:

[0031] Step 101: Map the protocol specification on which the protocol implementation is based to a first protocol state model (also referred to as an initial protocol state model).

[0032] Step 102: Introduce an illegal state into the first protocol state model to form a second protocol state model.

[0033] Step 103: Using assertions to characterize the test purpose of the second protocol state model and / or the first protocol state model.

[0...

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Abstract

The embodiment of the invention provides a security testing method for protocol implementation, and comprises: mapping a protocol specification on which the protocol implementation is based to a first protocol state model; forming a second protocol state model by introducing an illegal state that corresponds to security failure into the first protocol state model; characterizing the testing purposes of the first protocol state model and the second protocol state model by utilizing an assertion; generating a mutated protocol state model by carrying out a mutative operation on the second protocol state model; performing a model test on the mutated protocol state model according to the assertion to generate a testing suite obtained from mapping a counter-example in the mutated protocol state model that violates the assertion; and carrying out a fuzzing test on the protocol implementation by a testing suite to test security holes in protocol implementation. The invented embodiment further provides a corresponding testing device. According to the invented embodiment, efficient and low-cost protocol security test is realized.

Description

technical field [0001] The invention relates to the technical field of information security (Information Security), in particular to a method and device for performing security testing on protocol implementation. Background technique [0002] Computer information security technology is a computer comprehensive application discipline composed of cryptography application technology, information security technology, data disaster and data recovery technology, operating system maintenance technology, etc. Among them, information security technology is mainly used to prevent system vulnerabilities, prevent external hackers from invading, defend against virus damage, and effectively control suspicious access. [0003] With the development of the Internet (Internet), it is urgent to strengthen its information security technology in various computer systems. Take the Information Communication Technology (ICT, Information Communication Technology) system as an example. As a service...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L29/06
Inventor 唐文隋爱芬
Owner SIEMENS AG
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