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Method, storage device and transfer device for tamper-proof storage of payload data

A technology for payloads and transmission devices, used in digital data protection, digital transmission systems, secure communication devices, etc.

Active Publication Date: 2021-11-30
VEGA GRIESHABER GMBH & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, once an attacker has privileged access, he also has write access to the log files and can cover his tracks

Method used

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  • Method, storage device and transfer device for tamper-proof storage of payload data
  • Method, storage device and transfer device for tamper-proof storage of payload data
  • Method, storage device and transfer device for tamper-proof storage of payload data

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Embodiment Construction

[0061] according to figure 1 The step 110 the payload data (Nutzdaten) 12 stored in the data record chain 10 is 1, herein by way of example shows two data records. The data recorded in each data record 10 contains the previous data record as a current 10 in the previous hash value of the hash value 1311 in accordance with step 130 of a previous data record 10 and obtained. Data record 10 further comprising payload data 12, according to step 120 by the payload data 12 and the current hash value previously combined hash values ​​11 and 13 formed in accordance with step 125 the current hash value using the private key 11 of 51 cryptographic signature 15. 10 in that the first data record differs from all subsequent data records 10, the root hash value of the predefined 13 'here replaces the previous hash value 13.

[0062] According to step 140, each hash value 13 ', 13, 11 is provided with a time stamp associated 14, and stored in the form of chain 2 in the persistent memory 4. Accor...

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PUM

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Abstract

The invention relates to a method (100) for tamper-proof storage of payload data (12), wherein said payload data (12) is stored (110) in a chain (1) of data records (10); for For each data record (10), at least a current hash value (11) is formed from the payload data (12) contained in the data record (10) and stored (120) in said data record (10); in each A previous hash value (13) is stored (130) in said data record (10) corresponding to a current hash value (11) of a previous data record (10), wherein in said chain (1 In the first data record (10) of ), the predetermined root hash value (13') replaces the previous hash value (13); the chain (2) of hash values ​​(13', 13, 11) is stored (140) in the persistent storage (4) such that once stored in the persistent storage (4), the content cannot be altered or deleted from the persistent storage (4); and storing (150) the data record (10) in the same persistent storage (4) in different reversible memories (3). The invention relates to associated storage means (6) having interfaces (61, 62, 63) for transferring data records (10) to transfer means (5), reversible memory (3) and persistent memory (4). The invention relates to an associated conveying device (5) having one or more sensors (54, 57). The present invention relates to related computer programs and computer readable media or downloads.

Description

[0001] Cross-reference related application [0002] The present application claims priority to European Patent Application No. 18 158 375.8, filed on February 23, 2018, which is incorporated herein by reference. Technical field [0003] The present invention relates to the storage of evidence-related data, in particular by the storage of sensor data from the industrial field device, which is protected to prevent the post-incident forgery and conceal. Background technique [0004] Get data in digital form and data processing according to its intended purpose, also helps the post-tamper or concealment. In this regard, the mileage for the car is a good example. In order to make the mileage afterwards and gain fraud, it is obtained when the sedan is sold, for example, the previous analog counter is reversed. However, there is a need for handmade skills to do not leave any traces of exposure. When implementing a digital mileage, the so-called "tachometer regulator" boom is rapidly esta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/64H04L9/32
CPCH04L9/3247H04L9/3297G06F21/64G06F16/2379G06F21/602H04L9/0637H04L9/30H04L9/3242H04L9/50
Inventor 雅各布·胡梅尔卢卡斯·科普夫
Owner VEGA GRIESHABER GMBH & CO