diff options
| author | nagendra modadugu <ngm@google.com> | 2016-02-02 16:37:16 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-02-03 14:59:36 -0800 |
| commit | dfb7901709e846a5b99a33155f27af803e5881a5 (patch) | |
| tree | 0847274e1cacd8cc9518cc202c8dbc0cd9366818 /chip | |
| parent | 1ca95368356607024289887297612dd3c1de589e (diff) | |
| download | chrome-ec-dfb7901709e846a5b99a33155f27af803e5881a5.tar.gz | |
CR50: fix unaligned memory accesses in dcrypto/aes.
BRANCH=none
TEST=new tests under test/tpm2/ pass.
BUG=chrome-os-partner:43025,chrome-os-partner:47524
Change-Id: Ibfc92eae8238954a861a8e91432f90db6d174ead
Signed-off-by: nagendra modadugu <ngm@google.com>
Reviewed-on: https://chromium-review.googlesource.com/325495
Commit-Ready: Vadim Bendebury <vbendeb@google.com>
Tested-by: Nagendra Modadugu <ngm@google.com>
Reviewed-by: Vadim Bendebury <vbendeb@google.com>
Diffstat (limited to 'chip')
| -rw-r--r-- | chip/g/dcrypto/aes.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/chip/g/dcrypto/aes.c b/chip/g/dcrypto/aes.c index ac0fd32f93..1fb445feec 100644 --- a/chip/g/dcrypto/aes.c +++ b/chip/g/dcrypto/aes.c @@ -102,17 +102,17 @@ int DCRYPTO_aes_block(const uint8_t *in, uint8_t *out) void DCRYPTO_aes_write_iv(const uint8_t *iv) { int i; - const uint32_t *p = (const uint32_t *) iv; + const struct access_helper *p = (const struct access_helper *) iv; for (i = 0; i < 4; i++) - GR_KEYMGR_AES_CTR(i) = p[i]; + GR_KEYMGR_AES_CTR(i) = p[i].udata; } void DCRYPTO_aes_read_iv(uint8_t *iv) { int i; - uint32_t *p = (uint32_t *) iv; + struct access_helper *p = (struct access_helper *) iv; for (i = 0; i < 4; i++) - p[i] = GR_KEYMGR_AES_CTR(i); + p[i].udata = GR_KEYMGR_AES_CTR(i); } |