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aesopt.h File Reference

#include "aes.h"
#include <stdlib.h>
#include <sys/param.h>

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Defines

#define NO_TABLES   0
#define ONE_TABLE   1
#define FOUR_TABLES   4
#define NONE   0
#define PARTIAL   1
#define FULL   2
#define AES_LITTLE_ENDIAN   1234
#define AES_BIG_ENDIAN   4321
#define ENCRYPTION
#define ENCRYPTION_KEY_SCHEDULE
#define DECRYPTION
#define DECRYPTION_KEY_SCHEDULE
#define INTERNAL_BYTE_ORDER   PLATFORM_BYTE_ORDER
#define SAFE_IO
#define ENC_UNROLL   FULL
#define DEC_UNROLL   FULL
#define FF_TABLES
#define ARRAYS
#define s(x, c)   x[c]
#define FIXED_TABLES
#define TABLE_ALIGN   64
#define ENC_ROUND   FOUR_TABLES
#define LAST_ENC_ROUND   FOUR_TABLES
#define DEC_ROUND   FOUR_TABLES
#define LAST_DEC_ROUND   FOUR_TABLES
#define KEY_SCHED   FOUR_TABLES
#define RC_LENGTH   (5 * (AES_BLOCK_SIZE / 4 - 2))
#define word_in(x, c)
#define word_out(x, c, v)
#define WPOLY   0x011b
#define BPOLY   0x1b
#define m1   0x80808080
#define m2   0x7f7f7f7f
#define gf_mulx(x)   ((((x) & m2) << 1) ^ ((((x) & m1) >> 7) * BPOLY))
#define FT4_SET
#define FL4_SET
#define IT4_SET
#define IL4_SET
#define LS4_SET
#define IM4_SET
#define t_dec(m, n)   t_##m##n
#define t_set(m, n)   t_##m##n
#define t_use(m, n)   t_##m##n
#define d_1(t, n, b, v)   extern const t n[256]
#define d_4(t, n, b, v)   extern const t n[4][256]
#define no_table(x, box, vf, rf, c)
#define one_table(x, op, tab, vf, rf, c)
#define four_tables(x, tab, vf, rf, c)
#define vf1(x, r, c)   (x)
#define rf1(r, c)   (r)
#define rf2(r, c)   ((8+r-c)&3)
#define dec_fmvars   aes_32t g2
#define fwd_mcol(x)   (g2 = gf_mulx(x), g2 ^ upr((x) ^ g2, 3) ^ upr((x), 2) ^ upr((x), 1))
#define inv_mcol(x)   four_tables(x,t_use(i,m),vf1,rf1,0)
#define ls_box(x, c)   four_tables(x,t_use(f,l),vf1,rf2,c)

Variables

const aes_32t t_rc [(5 *(16/4-2))]
const aes_32t t_fn [4][256]
const aes_32t t_fl [4][256]
const aes_32t t_in [4][256]
const aes_32t t_il [4][256]
const aes_32t t_im [4][256]

Define Documentation

#define AES_BIG_ENDIAN   4321
 

#define AES_LITTLE_ENDIAN   1234
 

#define ARRAYS
 

#define BPOLY   0x1b
 

#define d_1 (  t,
n,
b,
v    )     extern const t n[256]
 

#define d_4 (  t,
n,
b,
v    )     extern const t n[4][256]
 

#define dec_fmvars   aes_32t g2
 

#define DEC_ROUND   FOUR_TABLES
 

#define DEC_UNROLL   FULL
 

#define DECRYPTION
 

#define DECRYPTION_KEY_SCHEDULE
 

#define ENC_ROUND   FOUR_TABLES
 

#define ENC_UNROLL   FULL
 

#define ENCRYPTION
 

#define ENCRYPTION_KEY_SCHEDULE
 

#define FF_TABLES
 

#define FIXED_TABLES
 

#define FL4_SET
 

#define four_tables (  x,
tab,
vf,
rf,
c    ) 
 

Value:

(  tab[0][bval(vf(x,0,c),rf(0,c))] \
  ^ tab[1][bval(vf(x,1,c),rf(1,c))] \
  ^ tab[2][bval(vf(x,2,c),rf(2,c))] \
  ^ tab[3][bval(vf(x,3,c),rf(3,c))])

#define FOUR_TABLES   4
 

#define FT4_SET
 

#define FULL   2
 

#define fwd_mcol (  x    )     (g2 = gf_mulx(x), g2 ^ upr((x) ^ g2, 3) ^ upr((x), 2) ^ upr((x), 1))
 

#define gf_mulx (  x    )     ((((x) & m2) << 1) ^ ((((x) & m1) >> 7) * BPOLY))
 

#define IL4_SET
 

#define IM4_SET
 

#define INTERNAL_BYTE_ORDER   PLATFORM_BYTE_ORDER
 

#define inv_mcol (  x    )     four_tables(x,t_use(i,m),vf1,rf1,0)
 

#define IT4_SET
 

#define KEY_SCHED   FOUR_TABLES
 

#define LAST_DEC_ROUND   FOUR_TABLES
 

#define LAST_ENC_ROUND   FOUR_TABLES
 

#define LS4_SET
 

#define ls_box (  x,
c    )     four_tables(x,t_use(f,l),vf1,rf2,c)
 

#define m1   0x80808080
 

#define m2   0x7f7f7f7f
 

#define no_table (  x,
box,
vf,
rf,
c    ) 
 

Value:

bytes2word( \
    box[bval(vf(x,0,c),rf(0,c))], \
    box[bval(vf(x,1,c),rf(1,c))], \
    box[bval(vf(x,2,c),rf(2,c))], \
    box[bval(vf(x,3,c),rf(3,c))])

#define NO_TABLES   0
 

#define NONE   0
 

#define one_table (  x,
op,
tab,
vf,
rf,
c    ) 
 

Value:

(     tab[bval(vf(x,0,c),rf(0,c))] \
  ^ op(tab[bval(vf(x,1,c),rf(1,c))],1) \
  ^ op(tab[bval(vf(x,2,c),rf(2,c))],2) \
  ^ op(tab[bval(vf(x,3,c),rf(3,c))],3))

#define ONE_TABLE   1
 

#define PARTIAL   1
 

#define RC_LENGTH   (5 * (AES_BLOCK_SIZE / 4 - 2))
 

#define rf1 (  r,
c    )     (r)
 

#define rf2 (  r,
c    )     ((8+r-c)&3)
 

#define s (  x,
c    )     x[c]
 

#define SAFE_IO
 

#define t_dec (  m,
n    )     t_##m##n
 

#define t_set (  m,
n    )     t_##m##n
 

#define t_use (  m,
n    )     t_##m##n
 

#define TABLE_ALIGN   64
 

#define vf1 (  x,
r,
c    )     (x)
 

#define word_in (  x,
c    ) 
 

Value:

bytes2word(((aes_08t*)(x)+4*c)[0], ((aes_08t*)(x)+4*c)[1], \
                                   ((aes_08t*)(x)+4*c)[2], ((aes_08t*)(x)+4*c)[3])

#define word_out (  x,
c,
v    ) 
 

Value:

{ ((aes_08t*)(x)+4*c)[0] = bval(v,0); ((aes_08t*)(x)+4*c)[1] = bval(v,1); \
                          ((aes_08t*)(x)+4*c)[2] = bval(v,2); ((aes_08t*)(x)+4*c)[3] = bval(v,3); }

#define WPOLY   0x011b
 

Variable Documentation

const aes_32t t_fl[4][256]
 

const aes_32t t_fn[4][256]
 

const aes_32t t_il[4][256]
 

const aes_32t t_im[4][256]
 

const aes_32t t_in[4][256]
 

const aes_32t t_rc[ (5 * ( 16 / 4 - 2)) ]
 

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