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US 2026/0073386 A1Published application
Private key recovery system, private key recovery method, and information storage medium
AssigneeRakuten Group, Inc.
InventorYuta KATSUTANI
Life of this patent
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Abstract
A private key recovery system, comprising at least one processor configured to: acquire a first recovery key managed by a first service in which a first private key stored in a user terminal of a user is used; acquire a second recovery key managed by a second service different from the first service; and to recover the first private key based on the first recovery key and the second recovery key.
Claims16
A private key recovery system, comprising at least one processor configured to:
- acquire a first recovery key managed by a first service in which a first private key stored in a user terminal of a user is used;
- acquire a second recovery key managed by a second service different from the first service;
- and
- to recover the first private key based on the first recovery key and the second recovery key.
1 more element
A private key recovery method, comprising:
- acquiring a first recovery key managed by a first service in which a first private key stored in a user terminal of a user is used;
- acquiring a second recovery key managed by a second service different from the first service;
- and
- recovering the first private key based on the first recovery key and the second recovery key.
1 more element
A non-transitory information storage medium storing a program for causing a computer to:
- acquire a first recovery key managed by a first service in which a first private key stored in a user terminal of a user is used;
- acquire a second recovery key managed by a second service different from the first service;
- and
- recover the first private key based on the first recovery key and the second recovery key.
1 more element
Dependencies are inferred from the claim text.