crypto: serpent_avx2 - mark Serpent AVX2 helper ciphers

Flag all Serpent AVX2 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>

1 files changed, 10 insertions, 5 deletions

diff --git a/arch/x86/crypto/serpent_avx2_glue.c b/arch/x86/crypto/serpent_avx2_glue.c
index 437e47a4d302..2f63dc89e7a9 100644
--- a/arch/x86/crypto/serpent_avx2_glue.c
+++ b/arch/x86/crypto/serpent_avx2_glue.c
@@ -309,7 +309,8 @@ static struct crypto_alg srp_algs[10] = { {
         .cra_name               = "__ecb-serpent-avx2",
         .cra_driver_name        = "__driver-ecb-serpent-avx2",
         .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,
@@ -329,7 +330,8 @@ static struct crypto_alg srp_algs[10] = { {
         .cra_name               = "__cbc-serpent-avx2",
         .cra_driver_name        = "__driver-cbc-serpent-avx2",
         .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,
@@ -349,7 +351,8 @@ static struct crypto_alg srp_algs[10] = { {
         .cra_name               = "__ctr-serpent-avx2",
         .cra_driver_name        = "__driver-ctr-serpent-avx2",
         .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,
@@ -370,7 +373,8 @@ static struct crypto_alg srp_algs[10] = { {
         .cra_name               = "__lrw-serpent-avx2",
         .cra_driver_name        = "__driver-lrw-serpent-avx2",
         .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,
@@ -394,7 +398,8 @@ static struct crypto_alg srp_algs[10] = { {
         .cra_name               = "__xts-serpent-avx2",
         .cra_driver_name        = "__driver-xts-serpent-avx2",
         .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,