diff options
Diffstat (limited to 'firmware/2lib/2secdata.c')
| -rw-r--r-- | firmware/2lib/2secdata.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/firmware/2lib/2secdata.c b/firmware/2lib/2secdata.c index 0fd6c522..3281f7c3 100644 --- a/firmware/2lib/2secdata.c +++ b/firmware/2lib/2secdata.c @@ -20,6 +20,10 @@ int vb2_secdata_check_crc(const struct vb2_context *ctx) if (sec->crc8 != vb2_crc8(sec, offsetof(struct vb2_secdata, crc8))) return VB2_ERROR_SECDATA_CRC; + /* CRC(<000...00>) is 0, so check version as well (should never be 0) */ + if (!sec->struct_version) + return VB2_ERROR_SECDATA_ZERO; + return VB2_SUCCESS; } |