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vboot2: Add code and tests for verifying vb2_fw_preamble2

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This is the last low-level data structure verification code for the
new data structures.  Subsequent changes are the next level up the
food chain.

BUG=chromium:423882
BRANCH=none
TEST=VBOOT2=1 make runtests

Change-Id: I2e45106c27447eb624c1ed562e40b98088249742
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/228360
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
This commit is contained in:
Randall Spangler
2014-11-04 17:50:32 -08:00
committed by chrome-internal-fetch
parent 054c114798
commit 43e0a9ed6c
5 changed files with 277 additions and 11 deletions
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8
firmware/2lib/include/2struct.h
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@@ -491,9 +491,9 @@ struct vb2_keyblock2 {
#define EXPECTED_VB2_KEYBLOCK2_SIZE (EXPECTED_VB2_STRUCT_COMMON_SIZE + 16)
/* Current version of vb2_preamble2 struct */
#define VB2_PREAMBLE2_VERSION_MAJOR 3
#define VB2_PREAMBLE2_VERSION_MINOR 0
/* Current version of vb2_fw_preamble2 struct */
#define VB2_FW_PREAMBLE2_VERSION_MAJOR 3
#define VB2_FW_PREAMBLE2_VERSION_MINOR 0
/*
* Firmware preamble
@@ -501,7 +501,7 @@ struct vb2_keyblock2 {
* The preamble data must be arranged like this:
* 1) vb2_fw_preamble2 header struct h
* 2) Preamble description (pointed to by h.c.fixed_size)
* 3) Hash table (pointed to by h.hash_table_offset)
* 3) Hashes (pointed to by h.hash_offset)
* 4) Signature (pointed to by h.sig_offset)
*
* The signature 4) must cover all the data from 1), 2), 3).