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US 2012/0233458 A1Published application
Information processing apparatus, information processing method, and computer program
AssigneeCanon Kabushiki Kaisha
InventorYasuharu Sugano
Life of this patent
Estimating the term…
Abstract
An information processing apparatus and method that prior to using a digital certification considers a validity expiration date of the digital certificate as well as a usable deadline of an algorithm or a public key used in the digital certificate.
Claims13
An information processing apparatus comprising:
- a memory;
- and
- a control unit, connected to the memory, the control unit configured to:
- acquire a digital certificate from an external apparatus;
- acquire a usable deadline of a public key used in the digital certificate;
- and
- compare a validity expiration date of the digital certificate and the usable deadline of the public key,
- wherein the digital certificate is registered to a storage unit based on a result of comparing the validity expiration date of the digital certificate and the usable deadline of the public key.
5 more elements
An information processing apparatus comprising:
- a memory;
- and
- a control unit, connected to the memory, the control unit configured to:
- acquire a digital certificate from an external apparatus;
- acquire a usable deadline of an algorithm used in the digital certificate;
- and
- compare a validity expiration date of the digital certificate and the usable deadline of the algorithm,
- wherein the digital certificate is registered to a storage unit based on a result of comparing the validity expiration date of the digital certificate and the usable deadline of the algorithm.
5 more elements
An information processing method utilized by an information processing apparatus, the information processing method comprising:
- acquiring a digital certificate from an external apparatus;
- acquiring a usable deadline of a public key used in the digital certificate;
- and
- comparing a validity expiration date of the digital certificate and the usable deadline of the public key,
- wherein the digital certificate is registered in a storage unit based on a result of comparing the validity expiration date of the digital certificate and the usable deadline of the public key.
2 more elements
An information processing method utilized by an information processing apparatus, the information processing method comprising:
- acquiring a digital certificate from an external apparatus;
- acquiring a usable deadline of an algorithm used in the digital certificate;
- and
- comparing a validity expiration date of the digital certificate and the usable deadline of the algorithm,
- wherein the digital certificate is registered in a storage unit based on a result of comparing the validity expiration date of the digital certificate and the usable deadline of the algorithm.
2 more elements
Dependencies are inferred from the claim text.