Commit Graph

6 Commits

Author SHA1 Message Date
Randall Spangler
4eef812d68 vboot2: use enum hash algorithm
This changes the internals of vboot2 to use the enumerated type for
hash algorithm.  The conversion from crypto algorithm is done only
when unpacking the key (and ok, in checking the rsa padding, but that
goes away in the next change).  This is preparation for the vboot2
data types, which separate signature and hash algorithms into their
own fields.

There is no external change in the calling API to vboot, and no change
to the external data structures.

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

Change-Id: I9c6de08d742dab941beb806fbd2bfc1e11c01e2c
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/225208
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2014-10-28 03:13:07 +00:00
Randall Spangler
9504754fee vboot2: move verify digest to 2common
This removes code duplicated between 2common.c and 2rsa.c.  This is in
preparation for adding new unsigned hash algorithms.

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

Change-Id: Ic9c542ae14d3b7f786129c1d52f8963847a94fb8
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/224780
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2014-10-22 00:30:30 +00:00
Randall Spangler
6d03b527fe vboot2: move vb2_safe_memcmp() from rsa to common
This will be needed by other algorithms, so should not live inside the
rsa module.  Also added explicit unit tests for it.

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

Change-Id: I92c8c6484964a93d755ac2ee93b57511794540e9
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/224111
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2014-10-18 01:39:12 +00:00
Randall Spangler
c6fa98d2ed vboot2: Fix potential null pointer dereference
If key is null in vb2_verify_digest(), we could attempt to dereference
it.  In practice it never is, but for safety's sake we should avoid
the reference.

BUG=chrome-os-partner:32235
BRANCH=none
TEST=VBOOT2=1 make runtests

Change-Id: I5a817e432922ea4c3b439b696cd2f8d988d0fecc
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/219574
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2014-09-24 21:17:57 +00:00
Randall Spangler
b9be53640e vboot2: Use more specific error codes
Error codes reported by the crypto and storage APIs are now very
specific, and tests verify the proper errors are reported.

More specific error codes coming to other files next, but I don't want
this CL to get too long.

This also changes test_common.c so TEST_EQ() reports mismatched values
in both decimal and hex, and adds TEST_SUCC() to test for a successful
return value.

BUG=chromium:370082
BRANCH=none
TEST=make clean && VBOOT2=1 COV=1 make

Change-Id: I255c8e5769284fbc286b9d94631b19677a71cdd0
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/202778
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2014-06-07 01:37:21 +00:00
Randall Spangler
e166d04e79 vboot2: Add crypto functions
This is the first of several CLs adding a more memory- and
code-efficient firmware verification library.  This CL adds the crypto
library (modified from firmware/lib/cryptolib) and unit tests for it.

BUG=chromium:370082
BRANCH=none
TEST=make clean && VBOOT2=1 COV=1 make

Change-Id: I4240eab227bb197cacc6c8e7a6397127d74414a2
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/199578
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2014-06-05 23:14:23 +00:00