Encryption method and system

Patent

Encryption method and system

- 04 Jul 2017

5

TL;DR: In this article, an encryption method and system was proposed to obtain corresponding encryption factors by utilizing personal information and social information of a user so as to apply different encryption algorithms to different users, thereby further improving encryption complexity and data security.

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Citations

Patent

Method and apparatus for generating white box key

Kan Zhigang, +4 more

- 20 Apr 2018

TL;DR: In this article, the authors proposed a method for generating a white box key for solving the problem of insecure keys in the prior art, which mainly comprises the following steps: determining a second code block matched with a second parameter combination according to the determined second parameter combinations; and running the second code blocks to obtain a white-box key, wherein the second parameters combination at least comprises an encryption algorithm identifier, an original key and a target function.

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4

Patent

Data processing method, device and system and computer readable storage medium

Liu Shan

- 20 Aug 2019

TL;DR: In this paper, the authors proposed a data processing method, device and system and a computer readable storage medium, and the method comprises the steps that a server decomposes an original key associated with a client ID, generates first key information and second key information, stores the first key and the second key in the server and sends the first data to the client; the client performs demixing processing on the first secret key information subjected to the mixing processing to generate firstsecret key information.

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Patent

Workflow data encryption method and system

Zhang Wenbo, +2 more

- 16 Jun 2020

TL;DR: In this paper, a workflow data encryption method and system is described, where the data can be used according to the business service of the business object, so that the adaptive business encryption list can be matched more purposefully for different business service objects.

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Patent

Active and safe medical Internet of Things device identification and monitoring method

Ding Shuai, +2 more

- 23 Jul 2019

TL;DR: In this paper, an active and safe medical Internet of Things device identification and monitoring method is presented, where the authentication barcode is generated based on the encryption password, and the medical terminal equipment can access the network of the management equipment only after obtaining the correct password of management equipment by analyzing and decrypting the authentication barscoding.

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Patent

Method and apparatus for generating signature key, and signature method and apparatus

An Xiaojiang, +2 more

- 28 Dec 2018

TL;DR: In this paper, the authors proposed a method and a device for generating a signature key, a signature method, and a signature device, which solves the technical problem in the prior art that the signature key of one client cannot be prevented from being copied to other clients for use, and the security of the signature cannot be effectively guaranteed.

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References

Patent

Securing the implementation of a cryptographic process using key expansion

Augustin J. Farrugia, +4 more

- 21 Dec 2010

TL;DR: In this paper, a key expansion process is used to obfuscate the cipher and/or the round keys by increasing their lengths to provide an expanded version of the keys for carrying out encryption or decryption using the cipher.

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15

Patent

Anti-counterfeit tax control method and device based on client identifier password

Zhang Qingsheng, +3 more

- 01 Jun 2016

TL;DR: In this article, an anti-counterfeit tax control method and device based on a client identifier password was proposed, which mainly consisted that a tax bureau management platform generates an enterprise identifier public and private key pair on the basis of an enterprise identifiers, and sets the enterprise identifier private key in a golden tax disc of the enterprise by means of a security channel.

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11

Patent

Identity authentication method, server and authentication terminal

Li Chuang, +2 more

- 20 Apr 2016

TL;DR: In this paper, an identity authentication method, a server and an authentication terminal is presented, which comprises the steps that a user is responded to pass an authentication request triggered by a current user terminal, and a digital signature is conducted on the authentication request; an encrypted two-dimensional code is generated by referring to first signature information of the digital signature and the authentication requests and taking a characteristic value of a current authentication terminal bounded with the current user terminals as a secret key factor; the characteristic value is used for uniquely identifying one authentication terminal.

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8

Patent

Encryption method and system based on white box

Tan Jianfeng, +5 more

- 15 Mar 2017

TL;DR: In this article, a white box cryptography is applied to a password keyboard of the application terminal to enable that the characters input by the user are firstly separately encrypted and then integrally encrypted, so that the way of obtaining the password through brute force can be better prevented.

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