Merge pull request #4755

42d8d508 crypto: fix AES encryption on big endian (xiphon)
This commit is contained in:
Riccardo Spagni 2018-11-14 21:33:38 +02:00
commit 8ba3f89b44
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@ -19,6 +19,7 @@ Issue Date: 20/12/2007
*/ */
#include <stdint.h> #include <stdint.h>
#include "common/int-util.h"
#if defined(__cplusplus) #if defined(__cplusplus)
extern "C" 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 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 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 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)\ #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))\ ( 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))\ : 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))) : ( 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) {\ #define sb_data(w) {\
w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5),\ w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5),\