System and method for secure storage of data using public and private keys
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United States of America Patent
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Jun 2, 2009
Grant Date -
Oct 16, 2003
app pub date -
May 7, 2003
filing date -
Oct 26, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
In one aspect, a data structure to be encrypted is received, the data structure including content along with a statement of conditions under which the content may be decrypted. The content is encrypted using a public key of a pair of public and private keys of a device that is to decrypt the data structure. In another aspect, a data structure is decrypted using a private key of a pair of public and private keys. A statement of conditions under which content in the data structure can be decrypted is obtained, and testing is performed as to whether the conditions are satisfied. The decrypted content is returned only if the conditions are satisfied.
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