crypto: ccp - Move HMAC calculation down to ccp ops file
Move the support to perform an HMAC calculation into
the CCP operations file. This eliminates the need to
perform a synchronous SHA operation used to calculate
the HMAC.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/linux/ccp.h b/include/linux/ccp.h
index b941ab9..ebcc9d1 100644
--- a/include/linux/ccp.h
+++ b/include/linux/ccp.h
@@ -232,6 +232,9 @@
* @ctx_len: length in bytes of hash value
* @src: data to be used for this operation
* @src_len: length in bytes of data used for this operation
+ * @opad: data to be used for final HMAC operation
+ * @opad_len: length in bytes of data used for final HMAC operation
+ * @first: indicates first SHA operation
* @final: indicates final SHA operation
* @msg_bits: total length of the message in bits used in final SHA operation
*
@@ -251,6 +254,10 @@
struct scatterlist *src;
u64 src_len; /* In bytes */
+ struct scatterlist *opad;
+ u32 opad_len; /* In bytes */
+
+ u32 first; /* Indicates first sha cmd */
u32 final; /* Indicates final sha cmd */
u64 msg_bits; /* Message length in bits required for
* final sha cmd */