@@ -350,6 +350,7 @@ config CMD_MEMORY
config CMD_CRC32
bool "crc32"
+ select HASH
default y
help
Compute CRC32.
@@ -998,6 +999,7 @@ config CMD_BLOB
config CMD_HASH
bool "Support 'hash' command"
+ select HASH
help
This provides a way to hash data in memory using various supported
algorithms (such as SHA1, MD5, CRC32). The computed digest can be
@@ -493,4 +493,16 @@ config BOARD_EARLY_INIT_F
endmenu
+menu "Security support"
+
+config HASH
+ bool "Support hashing API (SHA1, SHA256, etc.)"
+ help
+ This provides a way to hash data in memory using various supported
+ algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
+ and the algorithms it supports are defined in common/hash.c. See
+ also CMD_HASH for command-line access.
+
+endmenu
+
source "common/spl/Kconfig"
@@ -10,7 +10,7 @@ ifndef CONFIG_SPL_BUILD
obj-y += init/
obj-y += main.o
obj-y += exports.o
-obj-y += hash.o
+obj-$(CONFIG_HASH) += hash.o
obj-$(CONFIG_HUSH_PARSER) += cli_hush.o
obj-$(CONFIG_AUTOBOOT) += autoboot.o
@@ -473,5 +473,5 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
return 0;
}
-#endif
-#endif
+#endif /* CONFIG_CMD_HASH || CONFIG_CMD_SHA1SUM || CONFIG_CMD_CRC32) */
+#endif /* !USE_HOSTCC */
At present CONFIG_CMD_HASH enables the 'hash' command which also brings in the hashing API. Some boards may wish to enable the API without the command. Add a separate CONFIG to permit this. Signed-off-by: Simon Glass <sjg@chromium.org> --- Changes in v2: None cmd/Kconfig | 2 ++ common/Kconfig | 12 ++++++++++++ common/Makefile | 2 +- common/hash.c | 4 ++-- 4 files changed, 17 insertions(+), 3 deletions(-)