[PATCH v2 12/20] crypto: mark Serpent AVX2 helper ciphers

[Stephan Mueller]

Flag all Serpent AVX2 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_avx2_glue.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/x86/crypto/serpent_avx2_glue.c 
b/arch/x86/crypto/serpent_avx2_glue.c
index 437e47a..2f63dc8 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,
-- 
2.1.0


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