crypto: arm64/aes - mark 64 bit ARMv8 AES helper ciphers
authorStephan Mueller <smueller@chronox.de>
Mon, 30 Mar 2015 20:10:27 +0000 (22:10 +0200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Tue, 31 Mar 2015 13:21:12 +0000 (21:21 +0800)
Flag all 64 bit ARMv8 AES 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>
arch/arm64/crypto/aes-glue.c

index b1b5b89..05d9e16 100644 (file)
@@ -284,7 +284,8 @@ static struct crypto_alg aes_algs[] = { {
        .cra_name               = "__ecb-aes-" MODE,
        .cra_driver_name        = "__driver-ecb-aes-" MODE,
        .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),
        .cra_alignmask          = 7,
@@ -302,7 +303,8 @@ static struct crypto_alg aes_algs[] = { {
        .cra_name               = "__cbc-aes-" MODE,
        .cra_driver_name        = "__driver-cbc-aes-" MODE,
        .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),
        .cra_alignmask          = 7,
@@ -320,7 +322,8 @@ static struct crypto_alg aes_algs[] = { {
        .cra_name               = "__ctr-aes-" MODE,
        .cra_driver_name        = "__driver-ctr-aes-" MODE,
        .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),
        .cra_alignmask          = 7,
@@ -338,7 +341,8 @@ static struct crypto_alg aes_algs[] = { {
        .cra_name               = "__xts-aes-" MODE,
        .cra_driver_name        = "__driver-xts-aes-" MODE,
        .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_xts_ctx),
        .cra_alignmask          = 7,