[PATCH v2 13/20] crypto: mark Serpent AVX helper ciphers

[Stephan Mueller]

Flag all Serpent AVX helper ciphers as internal ciphers to prevent
them from being called by normal users.

Signed-off-by: Stephan Mueller <smuel...@chronox.de>
---
 arch/x86/crypto/serpent_avx_glue.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/x86/crypto/serpent_avx_glue.c 
b/arch/x86/crypto/serpent_avx_glue.c
index 7e21739..c8d478a 100644
--- a/arch/x86/crypto/serpent_avx_glue.c
+++ b/arch/x86/crypto/serpent_avx_glue.c
@@ -378,7 +378,8 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_name               = "__ecb-serpent-avx",
        .cra_driver_name        = "__driver-ecb-serpent-avx",
        .cra_priority           = 0,
-       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER,
+       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER |
+                                 CRYPTO_ALG_INTERNAL,
        .cra_blocksize          = SERPENT_BLOCK_SIZE,
        .cra_ctxsize            = sizeof(struct serpent_ctx),
        .cra_alignmask          = 0,
@@ -397,7 +398,8 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_name               = "__cbc-serpent-avx",
        .cra_driver_name        = "__driver-cbc-serpent-avx",
        .cra_priority           = 0,
-       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER,
+       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER |
+                                 CRYPTO_ALG_INTERNAL,
        .cra_blocksize          = SERPENT_BLOCK_SIZE,
        .cra_ctxsize            = sizeof(struct serpent_ctx),
        .cra_alignmask          = 0,
@@ -416,7 +418,8 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_name               = "__ctr-serpent-avx",
        .cra_driver_name        = "__driver-ctr-serpent-avx",
        .cra_priority           = 0,
-       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER,
+       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER |
+                                 CRYPTO_ALG_INTERNAL,
        .cra_blocksize          = 1,
        .cra_ctxsize            = sizeof(struct serpent_ctx),
        .cra_alignmask          = 0,
@@ -436,7 +439,8 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_name               = "__lrw-serpent-avx",
        .cra_driver_name        = "__driver-lrw-serpent-avx",
        .cra_priority           = 0,
-       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER,
+       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER |
+                                 CRYPTO_ALG_INTERNAL,
        .cra_blocksize          = SERPENT_BLOCK_SIZE,
        .cra_ctxsize            = sizeof(struct serpent_lrw_ctx),
        .cra_alignmask          = 0,
@@ -459,7 +463,8 @@ static struct crypto_alg serpent_algs[10] = { {
        .cra_name               = "__xts-serpent-avx",
        .cra_driver_name        = "__driver-xts-serpent-avx",
        .cra_priority           = 0,
-       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER,
+       .cra_flags              = CRYPTO_ALG_TYPE_BLKCIPHER |
+                                 CRYPTO_ALG_INTERNAL,
        .cra_blocksize          = SERPENT_BLOCK_SIZE,
        .cra_ctxsize            = sizeof(struct serpent_xts_ctx),
        .cra_alignmask          = 0,
-- 
2.1.0


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/