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3 The secure storage service provides encrypted and tamper proof storage to
5 Files can be opened, create or deleted by name (where the name is local to the
22 instance use this port to store data needed by the boot loader that the
26 In the current code STORAGE_CLIENT_TDEA_PORT and STORAGE_CLIENT_TP_PORT map to
38 - block_mac - Helper functions to bundle block numbers and mac values.
45 - block_map - Maps a logical block number to a physical block number and a mac.
50 - proxy - Creates port that the non-secure OS connects to to provide.
51 - tipc_ns - Helper functions to send requests to non-secure proxy server.
64 Both file systems use the same basic storage format but are configured to use
65 different block, block number and mac sizes. Two super blocks are used to allow
67 used to identify the most recent super block version. The main purpose of the
68 super block is to locate and validate the root of the free and file B+ trees.
82 system. The data value is a block-mac that points to a file-entry block.
86 The block map tree is similar to the file tree except the key is the file block
87 plus one (0 keys are not supported), and the data points to file data.
89 The super block always points to a valid file system. To make changes to the
90 file system, any block that needs to change is copied to a new location. These
93 described above) to keep track of allocated and freed blocks. Blocks that will
96 be added to the free set are stored in freed. To allow concurrent transactions
97 to update independent files without conflict, files modified by a transaction
106 - Active Transaction state after creating a new file and writing one byte to it.
111   recent one. The first super block still points to a valid file system, but