Flag all AES-NI helper ciphers as internal ciphers to prevent them from being called by normal users.
Signed-off-by: Stephan Mueller <[email protected]> --- arch/x86/crypto/aesni-intel_glue.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 6893f49..3d10a84 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -1262,7 +1262,7 @@ static struct crypto_alg aesni_algs[] = { { .cra_name = "__aes-aesni", .cra_driver_name = "__driver-aes-aesni", .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_flags = CRYPTO_ALG_TYPE_CIPHER | CRYPTO_ALG_INTERNAL, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct crypto_aes_ctx) + AESNI_ALIGN - 1, @@ -1281,7 +1281,8 @@ static struct crypto_alg aesni_algs[] = { { .cra_name = "__ecb-aes-aesni", .cra_driver_name = "__driver-ecb-aes-aesni", .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | + CRYPTO_ALG_INTERNAL, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct crypto_aes_ctx) + AESNI_ALIGN - 1, @@ -1301,7 +1302,8 @@ static struct crypto_alg aesni_algs[] = { { .cra_name = "__cbc-aes-aesni", .cra_driver_name = "__driver-cbc-aes-aesni", .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | + CRYPTO_ALG_INTERNAL, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct crypto_aes_ctx) + AESNI_ALIGN - 1, @@ -1365,7 +1367,8 @@ static struct crypto_alg aesni_algs[] = { { .cra_name = "__ctr-aes-aesni", .cra_driver_name = "__driver-ctr-aes-aesni", .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 crypto_aes_ctx) + AESNI_ALIGN - 1, @@ -1409,7 +1412,7 @@ static struct crypto_alg aesni_algs[] = { { .cra_name = "__gcm-aes-aesni", .cra_driver_name = "__driver-gcm-aes-aesni", .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_AEAD, + .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_INTERNAL, .cra_blocksize = 1, .cra_ctxsize = sizeof(struct aesni_rfc4106_gcm_ctx) + AESNI_ALIGN, @@ -1479,7 +1482,8 @@ static struct crypto_alg aesni_algs[] = { { .cra_name = "__lrw-aes-aesni", .cra_driver_name = "__driver-lrw-aes-aesni", .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | + CRYPTO_ALG_INTERNAL, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct aesni_lrw_ctx), .cra_alignmask = 0, @@ -1500,7 +1504,8 @@ static struct crypto_alg aesni_algs[] = { { .cra_name = "__xts-aes-aesni", .cra_driver_name = "__driver-xts-aes-aesni", .cra_priority = 0, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | + CRYPTO_ALG_INTERNAL, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct aesni_xts_ctx), .cra_alignmask = 0, -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
