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vboot2: add support for new vb2_signature2 struct

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And assocated unit tests.

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

Change-Id: I37fccafd8ccee5c0d55e3746c1611a8dff73145a
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/226939
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
This commit is contained in:
Randall Spangler
2014-10-31 11:19:14 -07:00
committed by chrome-internal-fetch
parent 3c6ec76e32
commit c0ce70b468
7 changed files with 255 additions and 1 deletions
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19
firmware/2lib/include/2common.h
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@@ -281,6 +281,25 @@ int vb2_unpack_key2(struct vb2_public_key *key,
const uint8_t *buf,
uint32_t size);
/**
* Return expected signature size for a signature/hash algorithm pair
*
* @param sig_alg Signature algorithm
* @param hash_alg Hash algorithm
* @return The signature size, or zero if error / unsupported algorithm.
*/
uint32_t vb2_sig_size(enum vb2_signature_algorithm sig_alg,
enum vb2_hash_algorithm hash_alg);
/**
* Verify the integrity of a signature struct
* @param sig Signature struct
* @param size Size of buffer containing signature struct
* @return VB2_SUCCESS, or non-zero if error.
*/
int vb2_verify_signature2(const struct vb2_signature2 *sig,
uint32_t size);
/* Size of work buffer sufficient for vb2_rsa_verify_digest() worst case */
#define VB2_VERIFY_DIGEST_WORKBUF_BYTES VB2_VERIFY_RSA_DIGEST_WORKBUF_BYTES