Flag all Multi buffer SHA1 helper ciphers as internal ciphers
to prevent them from being called by normal users.
Signed-off-by: Stephan Mueller <smueller@xxxxxxxxxx>
---
arch/x86/crypto/sha-mb/sha1_mb.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/x86/crypto/sha-mb/sha1_mb.c b/arch/x86/crypto/sha-mb/sha1_mb.c
index 9414fd9..e510b1c 100644
--- a/arch/x86/crypto/sha-mb/sha1_mb.c
+++ b/arch/x86/crypto/sha-mb/sha1_mb.c
@@ -694,7 +694,8 @@ static struct shash_alg sha1_mb_shash_alg = {
* use ASYNC flag as some buffers in multi-buffer
* algo may not have completed before hashing thread sleep
*/
- .cra_flags = CRYPTO_ALG_TYPE_SHASH | CRYPTO_ALG_ASYNC,
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH | CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_INTERNAL,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(sha1_mb_shash_alg.base.cra_list),
@@ -770,7 +771,9 @@ static int sha1_mb_async_init_tfm(struct crypto_tfm *tfm)
struct sha1_mb_ctx *ctx = crypto_tfm_ctx(tfm);
struct mcryptd_hash_ctx *mctx;
- mcryptd_tfm = mcryptd_alloc_ahash("__intel_sha1-mb", 0, 0);
+ mcryptd_tfm = mcryptd_alloc_ahash("__intel_sha1-mb",
+ CRYPTO_ALG_INTERNAL,
+ CRYPTO_ALG_INTERNAL);
if (IS_ERR(mcryptd_tfm))
return PTR_ERR(mcryptd_tfm);
mctx = crypto_ahash_ctx(&mcryptd_tfm->base);
--
2.1.0
--
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