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Method and apparatus for graph-based partition of cryptographic functionality
Method and apparatus for graph-based partition of cryptographic functionality
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机译:用于基于图的加密功能划分的方法和装置
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摘要
Techniques are disclosed for partitioning of cryptographic functionality, such as authentication code verification or generation ability, so as to permit delegation of at least one of a number of distinct portions of the cryptographic functionality from a delegating device to at least one recipient device. The cryptographic functionality is characterizable as a graph comprising a plurality of nodes, and a given set of the nodes is associated with a corresponding one of the distinct portions of the cryptographic functionality. Information representative of one or more of the nodes is transmitted from the delegating device to the recipient device such that the recipient device is thereby configurable for authorized execution of a corresponding one of the distinct portions of the cryptographic functionality. Advantageously, the invention provides a particularly efficient mechanism for the provision of cryptographic functionality in accordance with a subscription model.
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