Back to results
US 2009/0268906 A1Published application
Method and System for Authorized Decryption of Encrypted Data
OwnerStefan Kremplinventor
Life of this patent
Estimating the term…
Abstract
The present invention relates to a method and a system for authorized decryption of encrypted data. First, the encrypted data is provided. Then the validity of at least two certificates is verified. If the validity check is positive, a key is provided, which can be used to decrypt the encrypted data.
Claims19
Method for authorized decryption of encrypted data with the assistance of a minimum of two certificates in the following order:
- a) provision of encrypted data;
- b) provision of a key, if the validity of the minimum of two certificates has been verified;
- and
- c) decryption of the data using the key;
- wherein the minimum of two certificates includes a user certificate for identifying the user and an attribute certificate for storing a permission/authorization to use the data.
2 more elements
Dependencies are inferred from the claim text.