DATA SECURE BACKUP AND SECURE RECOVERY METHODS, AND ELECTRONIC DEVICE

DATA SECURE BACKUP AND SECURE RECOVERY METHODS, AND ELECTRONIC DEVICE

The present application provides data encryption and data decryption methods, data secure backup and secure recovery methods, and an electronic device. Taking the process of backing up NFC card data written into the Huawei wallet application as an example, different types of data packets in the card...

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Hauptverfasser: GAO, Shuaihong, YAO, Hui
Format: Patent
Sprache:chi ; eng ; fre
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator GAO, Shuaihong
YAO, Hui
description The present application provides data encryption and data decryption methods, data secure backup and secure recovery methods, and an electronic device. Taking the process of backing up NFC card data written into the Huawei wallet application as an example, different types of data packets in the card data are encrypted by means of a secure element (SE) and a trusted execution environment (TEE). A user and a provider of third party card data are introduced in the encryption process, to be respectively responsible for the generation, storage and delivery of one of key factors, and further in combination with a key factor provided by a mobile phone manufacturer, generating a real backup key. After being encrypted in the SE and the TEE using the backup key, the card data is uploaded and backed up onto a cloud server. Said method introduces multiple participating parties, so that a mobile phone manufacturer, the provider of third party card data and a trusted third party including the Huawei wallet application cann
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language chi ; eng ; fre
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title DATA SECURE BACKUP AND SECURE RECOVERY METHODS, AND ELECTRONIC DEVICE
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