Method, apparatus, and program product for revealing redacted information
A selectively encrypted data unit includes an encrypted version of sensitive information (capable of being decrypted to reveal the sensitive information), a plurality of auxiliary values, and an attribute vector associated with the encrypted version of the sensitive information. The selectively encr...
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| creator | GOLLE PHILIPPE JEAN-PAUL STADDON JESSICA N |
| description | A selectively encrypted data unit includes an encrypted version of sensitive information (capable of being decrypted to reveal the sensitive information), a plurality of auxiliary values, and an attribute vector associated with the encrypted version of the sensitive information. The selectively encrypted data unit and a unique capability key are accessed. The unique capability key is associated with a key descriptor and is responsive to one or more cryptosystem parameters, one or more random numbers and one or more shares of a master secret. Next the technology determines whether the attribute vector is filtered or enabled by the key descriptor. If so, a protection key is acquired that is responsive to the one or more cryptosystem parameters, the plurality of auxiliary values, the key descriptor and the unique capability key. Once acquired, the protection key is used to decrypt the encrypted version to generate the sensitive information which is presented. |
| format | Patent |
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The selectively encrypted data unit and a unique capability key are accessed. The unique capability key is associated with a key descriptor and is responsive to one or more cryptosystem parameters, one or more random numbers and one or more shares of a master secret. Next the technology determines whether the attribute vector is filtered or enabled by the key descriptor. If so, a protection key is acquired that is responsive to the one or more cryptosystem parameters, the plurality of auxiliary values, the key descriptor and the unique capability key. 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Once acquired, the protection key is used to decrypt the encrypted version to generate the sensitive information which is presented.</description><subject>ADVERTISING</subject><subject>CALCULATING</subject><subject>CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>CRYPTOGRAPHY</subject><subject>DISPLAY</subject><subject>EDUCATION</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>ELECTRICITY</subject><subject>PHYSICS</subject><subject>SEALS</subject><subject>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPD0TS3JyE_RUUgsKEgsSiwpLQYy81IUCory04sSc0F0SmlyiUJafpFCUWpZamJOZl46kJWSmFySmqKQmQeUyE0syczP42FgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8aHB5hZmhgaWZk5GxkQoAQCAnDSo</recordid><startdate>20101228</startdate><enddate>20101228</enddate><creator>GOLLE PHILIPPE JEAN-PAUL</creator><creator>STADDON JESSICA N</creator><scope>EVB</scope></search><sort><creationdate>20101228</creationdate><title>Method, apparatus, and program product for revealing redacted information</title><author>GOLLE PHILIPPE JEAN-PAUL ; STADDON JESSICA N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7861096B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2010</creationdate><topic>ADVERTISING</topic><topic>CALCULATING</topic><topic>CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>CRYPTOGRAPHY</topic><topic>DISPLAY</topic><topic>EDUCATION</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>ELECTRICITY</topic><topic>PHYSICS</topic><topic>SEALS</topic><topic>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>GOLLE PHILIPPE JEAN-PAUL</creatorcontrib><creatorcontrib>STADDON JESSICA N</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GOLLE PHILIPPE JEAN-PAUL</au><au>STADDON JESSICA N</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method, apparatus, and program product for revealing redacted information</title><date>2010-12-28</date><risdate>2010</risdate><abstract>A selectively encrypted data unit includes an encrypted version of sensitive information (capable of being decrypted to reveal the sensitive information), a plurality of auxiliary values, and an attribute vector associated with the encrypted version of the sensitive information. The selectively encrypted data unit and a unique capability key are accessed. The unique capability key is associated with a key descriptor and is responsive to one or more cryptosystem parameters, one or more random numbers and one or more shares of a master secret. Next the technology determines whether the attribute vector is filtered or enabled by the key descriptor. If so, a protection key is acquired that is responsive to the one or more cryptosystem parameters, the plurality of auxiliary values, the key descriptor and the unique capability key. Once acquired, the protection key is used to decrypt the encrypted version to generate the sensitive information which is presented.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ADVERTISING CALCULATING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS SEALS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | Method, apparatus, and program product for revealing redacted information |
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