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crypto: marvell/cesa - ensure template operation is initialised 

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));