CPC G06F 21/6218 (2013.01) [G06F 21/31 (2013.01); G06F 21/602 (2013.01); H04L 9/14 (2013.01)] | 20 Claims |
1. A method, comprising:
in response to initiation of a file system access by a processor:
controlling a secure circuit to decrypt first encrypted data to obtain a metadata encryption key, wherein the secure circuit includes cryptographic circuitry isolated from direct access by the processor;
decrypting second encrypted data to obtain file system metadata by using the metadata encryption key; and
performing the file system access by using the file system metadata.
|