Git-Mirrors/tillitis-key
1
0
Fork 0
mirror of https://github.com/tillitis/tillitis-key1.git synced 2025-08-01 11:16:06 -04:00
Code Issues Projects Releases Packages Wiki Activity

fw: Add checksum to partition table

Browse source 
Refuse to boot if blake2s digest over the partition table does not match
digest stored on flash
This commit is contained in:
Mikael Ågren 2025-04-03 15:48:51 +02:00
parent 75dd726998
commit f24c7ea515
No known key found for this signature in database
GPG key ID: E02DA3D397792C46
11 changed files with 207 additions and 73 deletions
Download patch file Download diff file Expand all files Collapse all files

11
hw/application_fpga/fw/tk1/partition_table.h
View file

@ -43,6 +43,8 @@
#define SIZE_STORAGE_AREA 0x20000UL // 128KiB
#define N_STORAGE_AREA 4
#define PART_DIGEST_SIZE 16
/* Partition Table */
/*- Table header */
/* - 1 bytes Version */
@ -88,7 +90,12 @@ struct partition_table {
struct app_storage_area app_storage[N_STORAGE_AREA];
} __attribute__((packed));
int part_table_read(struct partition_table *part_table);
int part_table_write(struct partition_table *part_table);
struct partition_table_storage {
struct partition_table table;
uint8_t check_digest[PART_DIGEST_SIZE];
} __attribute__((packed));
int part_table_read(struct partition_table_storage *storage);
int part_table_write(struct partition_table_storage *storage);
#endif