发明名称 |
METHOD FOR BACKING UP A USER SECRET AND METHOD FOR RECOVERING A USER SECRET |
摘要 |
A method for backing a user secret and recovering a user secret. A set of mandatory trustees possessing a public key and a set of non-mandatory trustees possessing a public key are determined. A predetermined limit value of a number of partitions necessary for recovering the secret is selected by the user. A number of primary partitions equal to the number of mandatory trustees is generated in response to the determination that the set of non-mandatory trustees is empty. A number of primary partitions equal to the number of mandatory trustees plus one is generated in response to the determination that the set of non-mandatory trustees is not empty. Each partition is encrypted using the public key of the corresponding trustee and each encrypted partition is stored in a server. |
申请公布号 |
US2016021101(A1) |
申请公布日期 |
2016.01.21 |
申请号 |
US201514803092 |
申请日期 |
2015.07.19 |
申请人 |
ERCOM ENGINEERING RESEAUX COMMUNICATIONS |
发明人 |
BALC'H MARTIN;KOWALSKI JULIEN;LAUBACHER ERIC;LEHOUX RENAUD |
分类号 |
H04L29/06 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
VELIZY VILLACOUBLAY FR |