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| author | Stephan Mueller <smueller@chronox.de> | 2015-03-30 22:01:49 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-03-31 21:21:06 +0800 |
| commit | 6a9b52b7fa1a376c1749cf441d1aeb8572d3b691 (patch) | |
| tree | 733823467910d051b00fa215af65ef71a7a38992 | |
| parent | eabdc320ece583e16e581306c720e5f1ff67c3bb (diff) | |
| download | linux-6a9b52b7fa1a376c1749cf441d1aeb8572d3b691.tar.bz2 | |
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>
| -rw-r--r-- | arch/x86/crypto/ghash-clmulni-intel_glue.c | 7 |
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; |