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| author | Boris BREZILLON <boris.brezillon@free-electrons.com> | 2016-03-17 10:21:35 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-03-17 12:09:04 +0100 |
| commit | b0ef51067cb4fa51867ede1bac1d58b3dfb42f31 (patch) | |
| tree | 99bdbd61fd52af516358cb4910eff5c427667770 /drivers/crypto | |
| parent | crypto: marvell/cesa - fix memory leak (diff) | |
| download | linux-b0ef51067cb4fa51867ede1bac1d58b3dfb42f31.tar.xz linux-b0ef51067cb4fa51867ede1bac1d58b3dfb42f31.zip | |
crypto: marvell/cesa - initialize hash states
->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>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/marvell/hash.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c index f07c1fa31d1a..7ca2e0f9dc2e 100644 --- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -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); |