From 3e90950d36f19e5477becd5acb02e9b8d8c8956f Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Mon, 22 Jun 2015 10:31:40 +0800 Subject: [PATCH] crypto: algif_aead - Temporarily disable all AEAD algorithms As the AEAD conversion is still ongoing, we do not yet wish to export legacy AEAD implementations to user-space, as their calling convention will change. This patch actually disables all AEAD algorithms because some of them (e.g., cryptd) will need to be modified to propagate this flag. Subsequent patches will reenable them on an individual basis. Signed-off-by: Herbert Xu --- crypto/algif_aead.c | 3 ++- include/linux/crypto.h | 6 ++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index 38a6cab7aeca..e0408a480d2f 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -514,7 +514,8 @@ static struct proto_ops algif_aead_ops = { static void *aead_bind(const char *name, u32 type, u32 mask) { - return crypto_alloc_aead(name, type, mask); + return crypto_alloc_aead(name, type | CRYPTO_ALG_AEAD_NEW, + mask | CRYPTO_ALG_AEAD_NEW); } static void aead_release(void *private) diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 964e5735a6a9..81ef938b0a8e 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -101,6 +101,12 @@ */ #define CRYPTO_ALG_INTERNAL 0x00002000 +/* + * Temporary flag used to prevent legacy AEAD implementations from + * being used by user-space. + */ +#define CRYPTO_ALG_AEAD_NEW 0x00004000 + /* * Transform masks and values (for crt_flags). */