crypto/fsl - Add progressive hashing support using hardware acceleration.

Currently only normal hashing is supported using hardware acceleration.
Added support for progressive hashing using hardware.

Signed-off-by: Ruchika Gupta <[email protected]>
Signed-off-by: Gaurav Rana <[email protected]>
CC: Simon Glass <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: York Sun <[email protected]>

1 files changed, 36 insertions, 0 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index a1f30a2c4ef..c9d2767d1da 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -29,4 +29,40 @@ config SYS_HZ
 
 source lib/rsa/Kconfig
 
+menu "Hashing Support"
+
+config SHA1
+	bool "Enable SHA1 support"
+	help
+	  This option enables support of hashing using SHA1 algorithm.
+	  The hash is calculated in software.
+	  The SHA1 algorithm produces a 160-bit (20-byte) hash value
+	  (digest).
+
+config SHA256
+	bool "Enable SHA256 support"
+	help
+	  This option enables support of hashing using SHA256 algorithm.
+	  The hash is calculated in software.
+	  The SHA256 algorithm produces a 256-bit (32-byte) hash value
+	  (digest).
+
+config SHA_HW_ACCEL
+	bool "Enable hashing using hardware"
+	help
+	  This option enables hardware acceleration
+	  for SHA1/SHA256 hashing.
+	  This affects the 'hash' command and also the
+	  hash_lookup_algo() function.
+
+config SHA_PROG_HW_ACCEL
+	bool "Enable Progressive hashing support using hardware"
+	depends on SHA_HW_ACCEL
+	help
+	  This option enables hardware-acceleration for
+	  SHA1/SHA256 progressive hashing.
+	  Data can be streamed in a block at a time and the hashing
+	  is performed in hardware.
+endmenu
+
 endmenu