CN111566987A - 数据处理方法、电路、终端设备及存储介质 - Google Patents

数据处理方法、电路、终端设备及存储介质 Download PDF

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Publication number
CN111566987A
CN111566987A CN201880002532.5A CN201880002532A CN111566987A CN 111566987 A CN111566987 A CN 111566987A CN 201880002532 A CN201880002532 A CN 201880002532A CN 111566987 A CN111566987 A CN 111566987A
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China
Prior art keywords
data
key stream
decryption key
data processing
physical
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CN201880002532.5A
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English (en)
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CN111566987B (zh
Inventor
韦健
王冬格
申艾麟
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Shenzhen Goodix Technology Co Ltd
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Shenzhen Goodix Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Storage Device Security (AREA)

Abstract

本申请提供一种数据处理方法、电路、终端设备及存储介质。包括：在从闪存中读取第一数据之前，或者，在从闪存中读取第一数据过程中，根据所述第一数据的物理起始地址生成所述第一数据的解密密钥流；通过所述解密密钥流对所述第一数据进行解密，并将解密后的所述第一数据写入缓存中。从而可以降低数据解密时延。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN201880002532.5A 2018-12-12 2018-12-12 数据处理方法、电路、终端设备及存储介质 Active CN111566987B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/120732 WO2020118583A1 (zh) 2018-12-12 2018-12-12 数据处理方法、电路、终端设备及存储介质

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CN111566987A true CN111566987A (zh) 2020-08-21
CN111566987B CN111566987B (zh) 2023-05-02

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Country Link
US (1) US20210006391A1 (zh)
EP (1) EP3758276B1 (zh)
CN (1) CN111566987B (zh)
WO (1) WO2020118583A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112463651A (zh) * 2020-12-07 2021-03-09 长沙景嘉微电子股份有限公司 Qspi控制器，图像处理器及闪存访问方法
CN113965321A (zh) * 2021-10-15 2022-01-21 杭州安恒信息技术股份有限公司 基于密钥流池的实时加解密方法、系统、计算机和存储介质

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* Cited by examiner, † Cited by third party
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GB2587354A (en) * 2019-09-24 2021-03-31 Nchain Holdings Ltd Divisible tokens
WO2021194464A1 (en) * 2020-03-23 2021-09-30 Btblock Llc Management system and method for user authentication on password based systems

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US20050021986A1 (en) * 2003-06-25 2005-01-27 Graunke Gary L. Apparatus and method for memory encryption with reduced decryption latency
US20110293097A1 (en) * 2010-05-27 2011-12-01 Maino Fabio R Virtual machine memory compartmentalization in multi-core architectures
US20120246384A1 (en) * 2011-03-21 2012-09-27 Winbond Electronics Corp. Flash memory and flash memory accessing method
CN106688027A (zh) * 2014-09-15 2017-05-17 Arm 有限公司 依赖puf和地址的数据加密
CN107067251A (zh) * 2016-01-25 2017-08-18 苹果公司 使用具有地理上受限的非本地凭据的电子设备进行交易
CN107408080A (zh) * 2015-03-27 2017-11-28 英特尔公司 用于重放保护树的无高速缓存分离式跟踪器架构

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CN101051892B (zh) * 2007-03-14 2010-05-26 江中尧 一种cpu专用数据的加密装置及方法
CN101540191B (zh) * 2009-04-21 2010-10-13 苏州国芯科技有限公司 实时加密u盘及高速加解密方法
US20140281587A1 (en) * 2013-03-14 2014-09-18 Ologn Technologies Ag Systems, methods and apparatuses for using a secure non-volatile storage with a computer processor
US9256551B2 (en) * 2013-08-09 2016-02-09 Apple Inc. Embedded encryption/secure memory management unit for peripheral interface controller
US9076003B2 (en) * 2013-08-20 2015-07-07 Janus Technologies, Inc. Method and apparatus for transparently encrypting and decrypting computer interface data
US10192062B2 (en) * 2014-06-20 2019-01-29 Cypress Semiconductor Corporation Encryption for XIP and MMIO external memories
US10223289B2 (en) * 2015-07-07 2019-03-05 Qualcomm Incorporated Secure handling of memory caches and cached software module identities for a method to isolate software modules by means of controlled encryption key management
EP3262515B1 (en) * 2015-09-30 2019-08-07 Hewlett-Packard Enterprise Development LP Cryptographic-based initialization of memory content
US20170180116A1 (en) * 2015-12-22 2017-06-22 Kirk S. Yap End-to-end protection scheme involving encrypted memory and storage

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
US20050021986A1 (en) * 2003-06-25 2005-01-27 Graunke Gary L. Apparatus and method for memory encryption with reduced decryption latency
US20110293097A1 (en) * 2010-05-27 2011-12-01 Maino Fabio R Virtual machine memory compartmentalization in multi-core architectures
US20120246384A1 (en) * 2011-03-21 2012-09-27 Winbond Electronics Corp. Flash memory and flash memory accessing method
CN106688027A (zh) * 2014-09-15 2017-05-17 Arm 有限公司 依赖puf和地址的数据加密
CN107408080A (zh) * 2015-03-27 2017-11-28 英特尔公司 用于重放保护树的无高速缓存分离式跟踪器架构
CN107067251A (zh) * 2016-01-25 2017-08-18 苹果公司 使用具有地理上受限的非本地凭据的电子设备进行交易

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112463651A (zh) * 2020-12-07 2021-03-09 长沙景嘉微电子股份有限公司 Qspi控制器，图像处理器及闪存访问方法
CN113965321A (zh) * 2021-10-15 2022-01-21 杭州安恒信息技术股份有限公司 基于密钥流池的实时加解密方法、系统、计算机和存储介质
CN113965321B (zh) * 2021-10-15 2024-05-28 杭州安恒信息技术股份有限公司 基于密钥流池的实时加解密方法、系统、计算机和存储介质

Also Published As

Publication number Publication date
EP3758276B1 (en) 2022-08-17
WO2020118583A1 (zh) 2020-06-18
EP3758276A4 (en) 2021-10-13
EP3758276A1 (en) 2020-12-30
US20210006391A1 (en) 2021-01-07
CN111566987B (zh) 2023-05-02

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