SP math

Enable ForceZero for SP math and all RSA.
Disable use of 128-bit type in SP unless WOLFSSL_UINT128_T_DEFINED is
defined.

wolfcrypt/src/sp_int.c

@@ -4538,7 +4538,7 @@ void sp_clear(sp_int* a)
     }
 }
 
-#if !defined(WOLFSSL_RSA_PUBLIC_ONLY) || !defined(NO_DH) || defined(HAVE_ECC)
+#if !defined(NO_RSA) || !defined(NO_DH) || defined(HAVE_ECC) || !defined(NO_DSA)
 /* Ensure the data in the multi-precision number is zeroed.
  *
  * Use when security sensitive data needs to be wiped.

wolfssl/wolfcrypt/settings.h

@@ -2573,8 +2573,7 @@ extern void uITRON4_free(void *p) ;
 
 #if defined(WOLFCRYPT_ONLY) && defined(NO_AES) && !defined(WOLFSSL_SHA384) && \
     !defined(WOLFSSL_SHA512) && defined(WC_NO_RNG) && \
-    (defined(WOLFSSL_SP_MATH) || defined(WOLFSSL_SP_MATH_ALL)) && \
-    defined(WOLFSSL_RSA_PUBLIC_ONLY)
+    !defined(WOLFSSL_SP_MATH) && !defined(WOLFSSL_SP_MATH_ALL)
     #undef  WOLFSSL_NO_FORCE_ZERO
     #define WOLFSSL_NO_FORCE_ZERO
 #endif

wolfssl/wolfcrypt/sp_int.h

@@ -268,7 +268,7 @@ extern "C" {
     typedef  sp_uint64  sp_int_digit;
     typedef   sp_int64 sp_sint_digit;
 #if (defined(WOLFSSL_SP_MATH) || defined(WOLFSSL_SP_MATH_ALL)) && \
-    !defined(_WIN64)
+    !defined(_WIN64) && defined(WOLFSSL_UINT128_T_DEFINED)
     typedef sp_uint128  sp_int_word;
     typedef  sp_int128  sp_int_sword;
 #endif