- Patent Title: Method for securing a multimedia content record in a storage medium
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Application No.: US16061216Application Date: 2016-12-12
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Publication No.: US10970366B2Publication Date: 2021-04-06
- Inventor: Lionel Deschamps , Jérôme Berger
- Applicant: SAGEMCOM BROADBAND SAS
- Applicant Address: FR Rueil Malmaison
- Assignee: SAGEMCOM BROADBAND SAS
- Current Assignee: SAGEMCOM BROADBAND SAS
- Current Assignee Address: FR Rueil Malmaison
- Agency: Pillsbury Winthrop Shaw Pittman LLP
- Priority: FR1562298 20151214
- International Application: PCT/EP2016/080627 WO 20161212
- International Announcement: WO2017/102644 WO 20170622
- Main IPC: H04L29/06
- IPC: H04L29/06 ; G06F21/10 ; H04L9/08

Abstract:
A method for securing a recording of multimedia content in a storage medium of a first electronic device, the method including an encryption operation which consists of: for each item of multimedia content to be encrypted, generating a random key within the first electronic device; encrypting the multimedia content by the random key in order to obtain encrypted multimedia content; encrypting, by a user key, the random key so as to obtain a first encrypted random key; encrypting the first encrypted random key by a root key specific to the first electronic device in order to obtain a second encrypted random key; and storing the second encrypted random key and the encrypted multimedia content in the storage medium.
Public/Granted literature
- US20180365392A1 METHOD FOR SECURING A MULTIMEDIA CONTENT RECORD IN A STORAGE MEDIUM Public/Granted day:2018-12-20
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