dcp unlock added around aes forcezero, adjust align macro check

Author: JacobBarthelmeh

wolfcrypt/src/port/nxp/dcp_port.c

@@ -31,6 +31,12 @@
 #include <wolfssl/wolfcrypt/sha.h>
 #include <wolfssl/wolfcrypt/sha256.h>
 #include <wolfssl/wolfcrypt/error-crypt.h>
+#ifdef NO_INLINE
+    #include <wolfssl/wolfcrypt/misc.h>
+#else
+    #define WOLFSSL_MISC_INCLUDED
+    #include <wolfcrypt/src/misc.c>
+#endif
 
 #if defined(__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) && defined(DCP_USE_DCACHE) && (DCP_USE_DCACHE == 1U)
 #error "DCACHE not supported by this driver. Please undefine DCP_USE_DCACHE."
@@ -209,7 +215,9 @@ static unsigned char  aes_key_aligned[16] __attribute__((aligned(0x10)));
 
 void DCPAesFree(Aes *aes)
 {
+    dcp_lock();
     ForceZero(aes_key_aligned, sizeof(aes_key_aligned));
+    dcp_unlock();
     dcp_free(aes->handle.channel);
     aes->handle.channel = 0;
 }

wolfssl/wolfcrypt/blake2-impl.h

@@ -40,7 +40,8 @@
 
 static WC_INLINE word32 load32( const void *src )
 {
-#if defined(LITTLE_ENDIAN_ORDER) && !defined(WOLFSSL_GENERAL_ALIGNMENT)
+#if defined(LITTLE_ENDIAN_ORDER) && \
+    (!defined(WOLFSSL_GENERAL_ALIGNMENT) || (WOLFSSL_GENERAL_ALIGNMENT == 0))
   return *( const word32 * )( src );
 #else
   const byte *p = ( const byte * )src;
@@ -54,7 +55,8 @@ static WC_INLINE word32 load32( const void *src )
 
 static WC_INLINE word64 load64( const void *src )
 {
-#if defined(LITTLE_ENDIAN_ORDER) && !defined(WOLFSSL_GENERAL_ALIGNMENT)
+#if defined(LITTLE_ENDIAN_ORDER) && \
+    (!defined(WOLFSSL_GENERAL_ALIGNMENT) || (WOLFSSL_GENERAL_ALIGNMENT == 0))
   return *( const word64 * )( src );
 #else
   const byte *p = ( const byte * )src;
@@ -72,7 +74,8 @@ static WC_INLINE word64 load64( const void *src )
 
 static WC_INLINE void store32( void *dst, word32 w )
 {
-#if defined(LITTLE_ENDIAN_ORDER) && !defined(WOLFSSL_GENERAL_ALIGNMENT)
+#if defined(LITTLE_ENDIAN_ORDER) && \
+    (!defined(WOLFSSL_GENERAL_ALIGNMENT) || (WOLFSSL_GENERAL_ALIGNMENT == 0))
   *( word32 * )( dst ) = w;
 #else
   byte *p = ( byte * )dst;
@@ -85,7 +88,8 @@ static WC_INLINE void store32( void *dst, word32 w )
 
 static WC_INLINE void store64( void *dst, word64 w )
 {
-#if defined(LITTLE_ENDIAN_ORDER) && !defined(WOLFSSL_GENERAL_ALIGNMENT)
+#if defined(LITTLE_ENDIAN_ORDER) && \
+    (!defined(WOLFSSL_GENERAL_ALIGNMENT) || (WOLFSSL_GENERAL_ALIGNMENT == 0))
   *( word64 * )( dst ) = w;
 #else
   byte *p = ( byte * )dst;