Renamed SHA2 support option to SHA2_ENABLE per request.

app/crypto/digests.c

@@ -28,6 +28,7 @@
  *
  */
 #include "digests.h"
+#include "user_config.h"
 #include "lwip/mem.h"
 #include "lwip/arch.h"
 #include "ssl/ssl_crypto.h"
@@ -53,7 +54,7 @@ static const digest_mech_info_t hash_mechs[] =
    MECH(MD2,  MD2_SIZE,  16)
   ,MECH(MD5,  MD5_SIZE,  64)
   ,MECH(SHA1, SHA1_SIZE, 64)
-#ifndef WITHOUT_SHA2
+#ifdef SHA2_ENABLE
   ,MECH(SHA256, SHA256_DIGEST_LENGTH, SHA256_BLOCK_LENGTH)
   ,MECH(SHA384, SHA384_DIGEST_LENGTH, SHA384_BLOCK_LENGTH)
   ,MECH(SHA512, SHA512_DIGEST_LENGTH, SHA512_BLOCK_LENGTH)

app/crypto/sha2.c

@@ -32,8 +32,9 @@
  *
  */
 
-#ifndef WITHOUT_SHA2
+#include "user_config.h"
 
+#ifdef SHA2_ENABLE
 #include "sha2.h"
 #include <string.h>	/* memcpy()/memset() or bcopy()/bzero() */
 #define assert(x) do {} while (0)
@@ -909,4 +910,4 @@ void ICACHE_FLASH_ATTR SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
 	MEMSET_BZERO(context, sizeof(SHA384_CTX));
 }
 
-#endif // WITHOUT_SHA2
+#endif // SHA2_ENABLE

app/include/user_config.h

@@ -41,6 +41,7 @@
 
 #define CLIENT_SSL_ENABLE
 #define GPIO_INTERRUPT_ENABLE
+#define SHA2_ENABLE
 
 // #define BUILD_WOFS		1
 #define BUILD_SPIFFS	1