From 555fa17b2b8cc865c203de263443041eb75bc7f7 Mon Sep 17 00:00:00 2001 From: Stephan Mueller Date: Mon, 30 Mar 2015 22:11:46 +0200 Subject: [PATCH] crypto: sha-mb - mark Multi buffer SHA1 helper cipher Flag all Multi buffer SHA1 helper ciphers as internal ciphers to prevent them from being called by normal users. Signed-off-by: Stephan Mueller Signed-off-by: Herbert Xu --- 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 9414fd964ecd..e510b1c5d690 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); -- 2.30.2