crypto: fix AES encryption on big endian

src/crypto/aesb.c

@@ -19,6 +19,7 @@ Issue Date: 20/12/2007
 */
 
 #include <stdint.h>
+#include "common/int-util.h"
 
 #if defined(__cplusplus)
 extern "C"
@@ -50,7 +51,7 @@ extern "C"
 #define state_out(y,x)  so(y,x,0); so(y,x,1); so(y,x,2); so(y,x,3)
 #define round(rm,y,x,k) rm(y,x,k,0); rm(y,x,k,1); rm(y,x,k,2); rm(y,x,k,3)
 #define to_byte(x) ((x) & 0xff)
-#define bval(x,n) to_byte((x) >> (8 * (n)))
+#define bval(x,n) to_byte(SWAP32LE(x) >> (8 * (n)))
 
 #define fwd_var(x,r,c)\
  ( r == 0 ? ( c == 0 ? s(x,0) : c == 1 ? s(x,1) : c == 2 ? s(x,2) : s(x,3))\
@@ -58,7 +59,7 @@ extern "C"
  : r == 2 ? ( c == 0 ? s(x,2) : c == 1 ? s(x,3) : c == 2 ? s(x,0) : s(x,1))\
  :          ( c == 0 ? s(x,3) : c == 1 ? s(x,0) : c == 2 ? s(x,1) : s(x,2)))
 
-#define fwd_rnd(y,x,k,c)  (s(y,c) = (k)[c] ^ four_tables(x,t_use(f,n),fwd_var,rf1,c))
+#define fwd_rnd(y,x,k,c)  (s(y,c) = (k)[c] ^ SWAP32LE(four_tables(x,t_use(f,n),fwd_var,rf1,c)))
 
 #define sb_data(w) {\
   w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5),\