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fw/tools: Change partition checksum to vanilla BLAKE2s

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Instead of using 16 byte BLAKE2s with a dummy key, use plain vanilla
unkeyed 32 byte BLAKE2s for partition checksum.

Co-authored-by: Mikael Ågren <mikael@tillitis.se>
This commit is contained in:
Michael Cardell Widerkrantz 2025-04-25 16:36:19 +02:00
parent 66ea8df1d9
commit 3e8ff9671c
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GPG key ID: D3DB3DDF57E704E5
3 changed files with 5 additions and 24 deletions
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6
hw/application_fpga/fw/tk1/partition_table.c
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@ -27,14 +27,10 @@ static void part_checksum(struct partition_table *part_table,
{
int blake2err = 0;
uint8_t key[16] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
assert(part_table != NULL);
assert(out_digest != NULL);
blake2err = blake2s(out_digest, out_len, key, sizeof(key), part_table,
blake2err = blake2s(out_digest, out_len, NULL, 0, part_table,
sizeof(struct partition_table));
assert(blake2err == 0);