summaryrefslogtreecommitdiffstats
path: root/lib/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Kconfig')
-rw-r--r--lib/Kconfig36
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index a1f30a2c4e..c9d2767d1d 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
OpenPOWER on IntegriCloud