summaryrefslogtreecommitdiffstats
path: root/arch/x86/crypto/ghash-clmulni-intel_glue.c
diff options
context:
space:
mode:
authorStephan Mueller <smueller@chronox.de>2015-03-30 22:01:49 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2015-03-31 15:21:06 +0200
commit6a9b52b7fa1a376c1749cf441d1aeb8572d3b691 (patch)
tree733823467910d051b00fa215af65ef71a7a38992 /arch/x86/crypto/ghash-clmulni-intel_glue.c
parentcrypto: aesni - mark AES-NI helper ciphers (diff)
downloadlinux-6a9b52b7fa1a376c1749cf441d1aeb8572d3b691.tar.xz
linux-6a9b52b7fa1a376c1749cf441d1aeb8572d3b691.zip
crypto: clmulni - mark ghash clmulni helper ciphers
Flag all ash clmulni helper ciphers as internal ciphers to prevent them from being called by normal users. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto/ghash-clmulni-intel_glue.c')
-rw-r--r--arch/x86/crypto/ghash-clmulni-intel_glue.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/crypto/ghash-clmulni-intel_glue.c b/arch/x86/crypto/ghash-clmulni-intel_glue.c
index 8253d85aa165..2079baf06bdd 100644
--- a/arch/x86/crypto/ghash-clmulni-intel_glue.c
+++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c
@@ -154,7 +154,8 @@ static struct shash_alg ghash_alg = {
.cra_name = "__ghash",
.cra_driver_name = "__ghash-pclmulqdqni",
.cra_priority = 0,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH |
+ CRYPTO_ALG_INTERNAL,
.cra_blocksize = GHASH_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct ghash_ctx),
.cra_module = THIS_MODULE,
@@ -261,7 +262,9 @@ static int ghash_async_init_tfm(struct crypto_tfm *tfm)
struct cryptd_ahash *cryptd_tfm;
struct ghash_async_ctx *ctx = crypto_tfm_ctx(tfm);
- cryptd_tfm = cryptd_alloc_ahash("__ghash-pclmulqdqni", 0, 0);
+ cryptd_tfm = cryptd_alloc_ahash("__ghash-pclmulqdqni",
+ CRYPTO_ALG_INTERNAL,
+ CRYPTO_ALG_INTERNAL);
if (IS_ERR(cryptd_tfm))
return PTR_ERR(cryptd_tfm);
ctx->cryptd_tfm = cryptd_tfm;