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crypto: marvell/cesa - ensure template operation is initialised

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Ensure that the template operation is fully initialised, otherwise we
end up loading data from the kernel stack into the engines, which can
upset the hash results.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Russell King 2015-10-18 17:23:51 +01:00 committed by Herbert Xu
parent 51954a968b
commit d30cb2fa34
1 changed files with 6 additions and 6 deletions
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12
drivers/crypto/marvell/hash.c
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@ -866,7 +866,7 @@ 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_op_ctx tmpl;
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_MD5);
@ -929,7 +929,7 @@ struct ahash_alg mv_md5_alg = {
static int mv_cesa_sha1_init(struct ahash_request *req)
{
struct mv_cesa_op_ctx tmpl;
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_SHA1);
@ -992,7 +992,7 @@ struct ahash_alg mv_sha1_alg = {
static int mv_cesa_sha256_init(struct ahash_request *req)
{
struct mv_cesa_op_ctx tmpl;
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_SHA256);
@ -1222,7 +1222,7 @@ static int mv_cesa_ahmac_cra_init(struct crypto_tfm *tfm)
static int mv_cesa_ahmac_md5_init(struct ahash_request *req)
{
struct mv_cesa_hmac_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct mv_cesa_op_ctx tmpl;
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_HMAC_MD5);
memcpy(tmpl.ctx.hash.iv, ctx->iv, sizeof(ctx->iv));
@ -1292,7 +1292,7 @@ struct ahash_alg mv_ahmac_md5_alg = {
static int mv_cesa_ahmac_sha1_init(struct ahash_request *req)
{
struct mv_cesa_hmac_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct mv_cesa_op_ctx tmpl;
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_HMAC_SHA1);
memcpy(tmpl.ctx.hash.iv, ctx->iv, sizeof(ctx->iv));
@ -1382,7 +1382,7 @@ static int mv_cesa_ahmac_sha256_setkey(struct crypto_ahash *tfm, const u8 *key,
static int mv_cesa_ahmac_sha256_init(struct ahash_request *req)
{
struct mv_cesa_hmac_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct mv_cesa_op_ctx tmpl;
struct mv_cesa_op_ctx tmpl = { };
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_HMAC_SHA256);
memcpy(tmpl.ctx.hash.iv, ctx->iv, sizeof(ctx->iv));