diff options
| author | Heinrich Schuchardt | 2021-05-14 07:08:27 +0200 |
|---|---|---|
| committer | Heinrich Schuchardt | 2021-05-18 12:36:12 +0200 |
| commit | e2ae483c3b4ce5a19a53b29eabbcb9a75f4ce160 (patch) | |
| tree | 0920992944e3697c629e346437e1627f91299634 | |
| parent | 700f68c35484c9de1c2e5e30dfc4c7a63b991a92 (diff) | |
hash: Kconfig option for SHA512 hardware acceleration
Commit a479f103dc1c ("hash: Allow for SHA512 hardware implementations")
defined function definitions for hardware accelerated SHA384 and SHA512.
If CONFIG_SHA_HW_ACCEL=y, these functions are used.
We already have boards using CONFIG_SHA_HW_ACCEL=y but none implements the
new functions hw_sha384() and hw_sha512().
For implementing the EFI TCG2 protocol we need SHA384 and SHA512. The
missing hardware acceleration functions lead to build errors on boards like
peach-pi_defconfig.
Introduce a new Kconfig symbol CONFIG_SHA512_HW_ACCEL to control if the
functions hw_sha384() and hw_sha512() shall be used to implement the SHA384
and SHA512 algorithms.
Fixes: a479f103dc1c ("hash: Allow for SHA512 hardware implementations")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | common/hash.c | 8 | ||||
| -rw-r--r-- | lib/Kconfig | 21 |
2 files changed, 20 insertions, 9 deletions
diff --git a/common/hash.c b/common/hash.c index 10dff7ddb0e..90cf46bcba5 100644 --- a/common/hash.c +++ b/common/hash.c @@ -260,12 +260,12 @@ static struct hash_algo hash_algo[] = { .name = "sha384", .digest_size = SHA384_SUM_LEN, .chunk_size = CHUNKSZ_SHA384, -#ifdef CONFIG_SHA_HW_ACCEL +#ifdef CONFIG_SHA512_HW_ACCEL .hash_func_ws = hw_sha384, #else .hash_func_ws = sha384_csum_wd, #endif -#ifdef CONFIG_SHA_PROG_HW_ACCEL +#if defined(CONFIG_SHA512_HW_ACCEL) && defined(CONFIG_SHA_PROG_HW_ACCEL) .hash_init = hw_sha_init, .hash_update = hw_sha_update, .hash_finish = hw_sha_finish, @@ -281,12 +281,12 @@ static struct hash_algo hash_algo[] = { .name = "sha512", .digest_size = SHA512_SUM_LEN, .chunk_size = CHUNKSZ_SHA512, -#ifdef CONFIG_SHA_HW_ACCEL +#ifdef CONFIG_SHA512_HW_ACCEL .hash_func_ws = hw_sha512, #else .hash_func_ws = sha512_csum_wd, #endif -#ifdef CONFIG_SHA_PROG_HW_ACCEL +#if defined(CONFIG_SHA512_HW_ACCEL) && defined(CONFIG_SHA_PROG_HW_ACCEL) .hash_init = hw_sha_init, .hash_update = hw_sha_update, .hash_finish = hw_sha_finish, diff --git a/lib/Kconfig b/lib/Kconfig index 6d2d41de301..1c19a332bec 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -389,21 +389,32 @@ config SHA384 (digest). config SHA_HW_ACCEL - bool "Enable hashing using hardware" + bool "Enable hardware acceleration for SHA hash functions" help - This option enables hardware acceleration for SHA hashing. - This affects the 'hash' command and also the hash_lookup_algo() - function. + This option enables hardware acceleration for the SHA1 and SHA256 + hashing algorithms. This affects the 'hash' command and also the + hash_lookup_algo() function. + +if SHA_HW_ACCEL + +config SHA512_HW_ACCEL + bool "Enable hardware acceleration for SHA512" + depends on SHA512_ALGO + help + This option enables hardware acceleration for the SHA384 and SHA512 + hashing algorithms. 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 SHA progressive hashing. Data can be streamed in a block at a time and the hashing is performed in hardware. +endif + config MD5 bool "Support MD5 algorithm" help |