[U-Boot] [PATCH 06/28] Convert CONFIG_CMD_AES et al to Kconfig

[Simon Glass]

This converts the following to Kconfig:
   CONFIG_CMD_AES
   CONFIG_AES

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 cmd/Kconfig                   |  9 +++++++++
 configs/seaboard_defconfig    |  1 +
 include/configs/amcore.h      |  1 -
 include/configs/seaboard.h    |  1 -
 include/configs/topic_miami.h |  1 -
 lib/Kconfig                   | 13 +++++++++++++
 scripts/config_whitelist.txt  |  2 --
 7 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/cmd/Kconfig b/cmd/Kconfig
index 13dc46a174..a78519297c 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -769,6 +769,15 @@ config CMD_REGULATOR
 endmenu
 
 menu "Security commands"
+config CMD_AES
+	bool "Enable the 'aes' command"
+	help
+	  This provides a means to encrypt and decrypt data using the AES
+	  (Advanced Encryption Standard). This algorithm uses a symetric key
+	  and is widely used as a streaming cipher. Different key lengths are
+	  supported by the algorithm but this command only supports 128 bits
+	  at present.
+
 config CMD_TPM
 	bool "Enable the 'tpm' command"
 	depends on TPM
diff --git a/configs/seaboard_defconfig b/configs/seaboard_defconfig
index 3e5549c073..9e50f702bf 100644
--- a/configs/seaboard_defconfig
+++ b/configs/seaboard_defconfig
@@ -38,3 +38,4 @@ CONFIG_USB_KEYBOARD=y
 CONFIG_DM_VIDEO=y
 CONFIG_VIDEO_TEGRA20=y
 CONFIG_CONSOLE_SCROLL_LINES=10
+CONFIG_AES=y
diff --git a/include/configs/amcore.h b/include/configs/amcore.h
index 4f462d61e0..06d08d4483 100644
--- a/include/configs/amcore.h
+++ b/include/configs/amcore.h
@@ -30,7 +30,6 @@
 		"erase 0xfff00000 0xffffffff; "			\
 		"cp.b 0x20000 0xfff00000 ${filesize}\0"
 
-#undef CONFIG_CMD_AES
 #define CONFIG_CMD_DIAG
 
 /* undef to save memory	*/
diff --git a/include/configs/seaboard.h b/include/configs/seaboard.h
index 671afa71ec..661d1fee6f 100644
--- a/include/configs/seaboard.h
+++ b/include/configs/seaboard.h
@@ -12,7 +12,6 @@
 
 /* LP0 suspend / resume */
 #define CONFIG_TEGRA_LP0
-#define CONFIG_AES
 #define CONFIG_TEGRA_PMU
 #define CONFIG_TPS6586X_POWER
 #define CONFIG_TEGRA_CLOCK_SCALING
diff --git a/include/configs/topic_miami.h b/include/configs/topic_miami.h
index a56ceef85a..23160bd88d 100644
--- a/include/configs/topic_miami.h
+++ b/include/configs/topic_miami.h
@@ -142,6 +142,5 @@
 /* Further tweaks to reduce image size */
 #undef CONFIG_CMD_BOOTZ
 #undef CONFIG_CMD_NET
-#undef CONFIG_CMD_AES
 
 #endif /* __CONFIG_TOPIC_MIAMI_H */
diff --git a/lib/Kconfig b/lib/Kconfig
index a0d5d926eb..db0915153c 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -66,6 +66,17 @@ config RBTREE
 
 source lib/dhry/Kconfig
 
+menu "Security support"
+
+config AES
+	bool "Support the AES algorithm"
+	help
+	  This provides a means to encrypt and decrypt data using the AES
+	  (Advanced Encryption Standard). This algorithm uses a symetric key
+	  and is widely used as a streaming cipher. Different key lengths are
+	  supported by the algorithm but only a 128-bit key is supported at
+	  present.
+
 source lib/rsa/Kconfig
 
 config TPM
@@ -79,6 +90,8 @@ config TPM
 	  for the low-level TPM interface, but only one TPM is supported at
 	  a time by the TPM library.
 
+endmenu
+
 menu "Hashing Support"
 
 config SHA1
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 39228ec1c5..139c77b9bd 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -70,7 +70,6 @@ CONFIG_ADNPESC1
 CONFIG_ADP_AG101P
 CONFIG_AEABI
 CONFIG_AEMIF_CNTRL_BASE
-CONFIG_AES
 CONFIG_ALTERA_SDRAM
 CONFIG_ALTERA_SPI_IDLE_VAL
 CONFIG_ALTIVEC
@@ -394,7 +393,6 @@ CONFIG_CM922T_XA10
 CONFIG_CMDLINE_EDITING
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
-CONFIG_CMD_AES
 CONFIG_CMD_ASKEN
 CONFIG_CMD_BAT
 CONFIG_CMD_BEDBUG
-- 
2.13.0.rc0.306.g87b477812d-goog