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crypto: marvell/cesa - initialize hash states

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->export() might be called before we have done an update operation,
and in this case the ->state field is left uninitialized.
Put the correct default value when initializing the request.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Boris BREZILLON 2016-03-17 10:21:35 +01:00 committed by Herbert Xu
parent 7850c91b17
commit b0ef51067c
1 changed files with 20 additions and 0 deletions
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20
drivers/crypto/marvell/hash.c
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@ -810,9 +810,14 @@ static int mv_cesa_ahash_import(struct ahash_request *req, const void *hash,
static int mv_cesa_md5_init(struct ahash_request *req)
{
struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_MD5);
creq->state[0] = MD5_H0;
creq->state[1] = MD5_H1;
creq->state[2] = MD5_H2;
creq->state[3] = MD5_H3;
mv_cesa_ahash_init(req, &tmpl, true);
@ -873,9 +878,15 @@ struct ahash_alg mv_md5_alg = {
static int mv_cesa_sha1_init(struct ahash_request *req)
{
struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_SHA1);
creq->state[0] = SHA1_H0;
creq->state[1] = SHA1_H1;
creq->state[2] = SHA1_H2;
creq->state[3] = SHA1_H3;
creq->state[4] = SHA1_H4;
mv_cesa_ahash_init(req, &tmpl, false);
@ -936,9 +947,18 @@ struct ahash_alg mv_sha1_alg = {
static int mv_cesa_sha256_init(struct ahash_request *req)
{
struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_SHA256);
creq->state[0] = SHA256_H0;
creq->state[1] = SHA256_H1;
creq->state[2] = SHA256_H2;
creq->state[3] = SHA256_H3;
creq->state[4] = SHA256_H4;
creq->state[5] = SHA256_H5;
creq->state[6] = SHA256_H6;
creq->state[7] = SHA256_H7;
mv_cesa_ahash_init(req, &tmpl, false);