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authorHerbert Xu <herbert@gondor.apana.org.au>2015-06-22 10:31:40 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2015-06-22 15:49:30 +0800
commit3e90950d36f19e5477becd5acb02e9b8d8c8956f (patch)
treecdd77368a85ebe8bac1d85cd599ea411bebe49d0
parent15539de5c958d4943cc2f2f35f7e313bff5922b6 (diff)
downloadlinux-3e90950d36f19e5477becd5acb02e9b8d8c8956f.tar.bz2
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 <herbert@gondor.apana.org.au>
-rw-r--r--crypto/algif_aead.c3
-rw-r--r--include/linux/crypto.h6
2 files changed, 8 insertions, 1 deletions
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
@@ -102,6 +102,12 @@
#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).
*/
#define CRYPTO_TFM_REQ_MASK 0x000fff00