[RFC PATCH HBK: 2/8] hw-bound-key: flag-is_hbk added to the tfm

[Pankaj Gupta]

Consumer of the kernel crypto api, after allocating
the transformation, sets this flag based on the basis
of the type of key consumer has. This helps:

- This helps to influence the core processing logic
  for the encapsulated algorithm.
- This flag is set by the consumer after allocating
  the tfm and before calling the function crypto_xxx_setkey().

Signed-off-by: Pankaj Gupta <pankaj.gupta@xxxxxxx>
---
 include/linux/crypto.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 2324ab6f1846..b4fa83ca87bd 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -639,6 +639,8 @@ struct crypto_tfm {
 
 	u32 crt_flags;
 
+	unsigned int is_hbk;
+
 	int node;
 	
 	void (*exit)(struct crypto_tfm *tfm);
-- 
2.17.1