korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-18 17:54:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

crypto: clmulni - mark ghash clmulni helper ciphers

Browse Source 
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>
This commit is contained in:
Stephan Mueller 2015-03-30 22:01:49 +02:00 committed by Herbert Xu
parent eabdc320ec
commit 6a9b52b7fa
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/x86/crypto/ghash-clmulni-intel_glue.c
View File

@ -154,7 +154,8 @@ static struct shash_alg ghash_alg = {
.cra_name = "__ghash", .cra_name = "__ghash",
.cra_driver_name = "__ghash-pclmulqdqni", .cra_driver_name = "__ghash-pclmulqdqni",
.cra_priority = 0, .cra_priority = 0,
.cra_flags = CRYPTO_ALG_TYPE_SHASH, .cra_flags = CRYPTO_ALG_TYPE_SHASH |
CRYPTO_ALG_INTERNAL,
.cra_blocksize = GHASH_BLOCK_SIZE, .cra_blocksize = GHASH_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct ghash_ctx), .cra_ctxsize = sizeof(struct ghash_ctx),
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
@ -261,7 +262,9 @@ static int ghash_async_init_tfm(struct crypto_tfm *tfm)
struct cryptd_ahash *cryptd_tfm; struct cryptd_ahash *cryptd_tfm;
struct ghash_async_ctx *ctx = crypto_tfm_ctx(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)) if (IS_ERR(cryptd_tfm))
return PTR_ERR(cryptd_tfm); return PTR_ERR(cryptd_tfm);
ctx->cryptd_tfm = cryptd_tfm; ctx->cryptd_tfm = cryptd_tfm;