crypto: Remove CRYPTO_BLAKE2S Kconfig

since it's more simple to let linker remove the unused functions from the final image

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

crypto/CMakeLists.txt

@@ -26,19 +26,38 @@ if(CONFIG_CRYPTO)
 
   if(CONFIG_CRYPTO_CRYPTODEV)
     list(APPEND SRCS cryptodev.c)
+    if(CONFIG_CRYPTO_CRYPTODEV_SOFTWARE)
+      list(APPEND SRCS cryptosoft.c)
+      list(APPEND SRCS xform.c)
+    endif()
   endif()
 
-  # Software AES library
+  # Software crypto library
 
   if(CONFIG_CRYPTO_SW_AES)
     list(APPEND SRCS aes.c)
   endif()
-
-  # BLAKE2s hash algorithm
-
-  if(CONFIG_CRYPTO_BLAKE2S)
   list(APPEND SRCS blake2s.c)
-  endif()
+  list(APPEND SRCS blf.c)
+  list(APPEND SRCS cast.c)
+  list(APPEND SRCS chachapoly.c)
+  list(APPEND SRCS ecb_enc.c)
+  list(APPEND SRCS ecb3_enc.c)
+  list(APPEND SRCS set_key.c)
+  list(APPEND SRCS md5.c)
+  list(APPEND SRCS poly1305.c)
+  list(APPEND SRCS rijndael.c)
+  list(APPEND SRCS rmd160.c)
+  list(APPEND SRCS sha1.c)
+  list(APPEND SRCS sha2.c)
+  list(APPEND SRCS gmac.c)
+  list(APPEND SRCS cmac.c)
+  list(APPEND SRCS hmac.c)
+  list(APPEND SRCS idgen.c)
+  list(APPEND SRCS key_wrap.c)
+  list(APPEND SRCS siphash.c)
+  list(APPEND SRCS hmac_buff.c)
+  list(APPEND SRCS curve25519.c)
 
   # Entropy pool random number generator
 

crypto/Kconfig

@@ -62,16 +62,9 @@ config CRYPTO_SW_AES
 		implementations.  This needs to support up_aesinitialize() and
 		aes_cypher() per include/nuttx/crypto/crypto.h.
 
-config CRYPTO_BLAKE2S
-	bool "BLAKE2s hash algorithm"
-	default n
-	---help---
-		Enable the BLAKE2s hash algorithm
-
 config CRYPTO_RANDOM_POOL
 	bool "Entropy pool and strong randon number generator"
 	default n
-	select CRYPTO_BLAKE2S
 	---help---
 		Entropy pool gathers environmental noise from device drivers,
 		user-space, etc., and returns good random numbers, suitable

crypto/Makefile

@@ -32,9 +32,16 @@ ifeq ($(CONFIG_CRYPTO_CRYPTODEV),y)
   CRYPTO_CSRCS += cryptodev.c
 ifeq ($(CONFIG_CRYPTO_CRYPTODEV_SOFTWARE),y)
   CRYPTO_CSRCS += cryptosoft.c
-endif
   CRYPTO_CSRCS += xform.c
+endif
+endif
+
+# Software crypto algorithm
+
+ifeq ($(CONFIG_CRYPTO_SW_AES),y)
   CRYPTO_CSRCS += aes.c
+endif
+CRYPTO_CSRCS += blake2s.c
 CRYPTO_CSRCS += blf.c
 CRYPTO_CSRCS += cast.c
 CRYPTO_CSRCS += chachapoly.c
@@ -55,13 +62,6 @@ endif
 CRYPTO_CSRCS += siphash.c
 CRYPTO_CSRCS += hmac_buff.c
 CRYPTO_CSRCS += curve25519.c
-endif
-
-# BLAKE2s hash algorithm
-
-ifeq ($(CONFIG_CRYPTO_BLAKE2S),y)
-  CRYPTO_CSRCS += blake2s.c
-endif
 
 # Entropy pool random number generator