Method for restoring encrypted information in encryption card

The invention provides a method for restoring encrypted information in an encryption card. Based on a backup mechanism, the method ensures that in an environment of a plurality of administrators, when one administrator updates a protection key in a card, the function that other administrators withou...

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Main Authors SUN GUOZHONG, CAO LIANYU, SHI XU, TANG HUANHUAN, HUANG LIANG
Format Patent
LanguageChinese
English
Published 06.04.2011
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract The invention provides a method for restoring encrypted information in an encryption card. Based on a backup mechanism, the method ensures that in an environment of a plurality of administrators, when one administrator updates a protection key in a card, the function that other administrators without updated protection keys still can descript sensitive data, start the service function of the encryption card and guarantee that the normal work of the encryption card is realized.
AbstractList The invention provides a method for restoring encrypted information in an encryption card. Based on a backup mechanism, the method ensures that in an environment of a plurality of administrators, when one administrator updates a protection key in a card, the function that other administrators without updated protection keys still can descript sensitive data, start the service function of the encryption card and guarantee that the normal work of the encryption card is realized.
Author SHI XU
CAO LIANYU
TANG HUANHUAN
SUN GUOZHONG
HUANG LIANG
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Snippet The invention provides a method for restoring encrypted information in an encryption card. Based on a backup mechanism, the method ensures that in an...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title Method for restoring encrypted information in encryption card
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