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Copy pathAES_encrypt_secure_old.cu
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AES_encrypt_secure_old.cu
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//#define TTABLE 256
//#define USE_SMEM
#if TTABLE == 256
#include "tabs/AES_256.tab"
#define TE(tab, offset, state) (_te[(tab)][((offset) << 8) + (state)])
#elif TTABLE == 128
#include "tabs/AES_128.tab"
#define TE_128_LH(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 1) ] >> ((state & 0x1) << 2))
#define TE_128_HH(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 1) + 128] >> ((state & 0x1) << 2))
#define TE(tab, offset, state) ((TE_128_LH(tab, offset, state) & 0x0f) | (TE_128_HH(tab, offset, state) << 4))
#elif TTABLE == 64
#include "tabs/AES_64.tab"
#define TE_64_0(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 2) ] >> ((state & 0x3) << 1))
#define TE_64_1(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 2) + 64] >> ((state & 0x3) << 1))
#define TE_64_2(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 2) + 128] >> ((state & 0x3) << 1))
#define TE_64_3(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 2) + 192] >> ((state & 0x3) << 1))
#define TE(tab, offset, state) ((TE_64_0(tab, offset, state) & 0x03) \
| ((TE_64_1(tab, offset, state) & 0x03) << 2) \
| ((TE_64_2(tab, offset, state) & 0x03) << 4) \
| ((TE_64_3(tab, offset, state) & 0x03) << 6))
#elif TTABLE == 32
#include "tabs/AES_32.tab"
#define TE_32_0(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 3) ] >> (state & 0x7))
#define TE_32_1(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 3) + 32] >> (state & 0x7))
#define TE_32_2(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 3) + 64] >> (state & 0x7))
#define TE_32_3(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 3) + 96] >> (state & 0x7))
#define TE_32_4(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 3) + 128] >> (state & 0x7))
#define TE_32_5(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 3) + 160] >> (state & 0x7))
#define TE_32_6(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 3) + 192] >> (state & 0x7))
#define TE_32_7(tab, offset, state) (_te[(tab)][((offset) << 8) + (state >> 3) + 224] >> (state & 0x7))
#define TE(tab, offset, state) ((TE_32_0(tab, offset, state) & 0x01) \
| ((TE_32_1(tab, offset, state) & 0x01) << 1) \
| ((TE_32_2(tab, offset, state) & 0x01) << 2) \
| ((TE_32_3(tab, offset, state) & 0x01) << 3) \
| ((TE_32_4(tab, offset, state) & 0x01) << 4) \
| ((TE_32_5(tab, offset, state) & 0x01) << 5) \
| ((TE_32_6(tab, offset, state) & 0x01) << 6) \
| ((TE_32_7(tab, offset, state) & 0x01) << 7))
#endif
#define ROUND(t, s, r) { \
int b = r << 4; \
t[ 0] = TE(0, 0, s[ 3]) ^ TE(1, 0, s[ 6]) ^ TE(2, 0, s[ 9]) ^ TE(3, 0, s[12]) ^ _rk[b+ 0]; \
t[ 1] = TE(0, 1, s[ 3]) ^ TE(1, 1, s[ 6]) ^ TE(2, 1, s[ 9]) ^ TE(3, 1, s[12]) ^ _rk[b+ 1]; \
t[ 2] = TE(0, 2, s[ 3]) ^ TE(1, 2, s[ 6]) ^ TE(2, 2, s[ 9]) ^ TE(3, 2, s[12]) ^ _rk[b+ 2]; \
t[ 3] = TE(0, 3, s[ 3]) ^ TE(1, 3, s[ 6]) ^ TE(2, 3, s[ 9]) ^ TE(3, 3, s[12]) ^ _rk[b+ 3]; \
\
t[ 4] = TE(0, 0, s[ 7]) ^ TE(1, 0, s[10]) ^ TE(2, 0, s[13]) ^ TE(3, 0, s[ 0]) ^ _rk[b+ 4]; \
t[ 5] = TE(0, 1, s[ 7]) ^ TE(1, 1, s[10]) ^ TE(2, 1, s[13]) ^ TE(3, 1, s[ 0]) ^ _rk[b+ 5]; \
t[ 6] = TE(0, 2, s[ 7]) ^ TE(1, 2, s[10]) ^ TE(2, 2, s[13]) ^ TE(3, 2, s[ 0]) ^ _rk[b+ 6]; \
t[ 7] = TE(0, 3, s[ 7]) ^ TE(1, 3, s[10]) ^ TE(2, 3, s[13]) ^ TE(3, 3, s[ 0]) ^ _rk[b+ 7]; \
\
t[ 8] = TE(0, 0, s[11]) ^ TE(1, 0, s[14]) ^ TE(2, 0, s[ 1]) ^ TE(3, 0, s[ 4]) ^ _rk[b+ 8]; \
t[ 9] = TE(0, 1, s[11]) ^ TE(1, 1, s[14]) ^ TE(2, 1, s[ 1]) ^ TE(3, 1, s[ 4]) ^ _rk[b+ 9]; \
t[10] = TE(0, 2, s[11]) ^ TE(1, 2, s[14]) ^ TE(2, 2, s[ 1]) ^ TE(3, 2, s[ 4]) ^ _rk[b+10]; \
t[11] = TE(0, 3, s[11]) ^ TE(1, 3, s[14]) ^ TE(2, 3, s[ 1]) ^ TE(3, 3, s[ 4]) ^ _rk[b+11]; \
\
t[12] = TE(0, 0, s[15]) ^ TE(1, 0, s[ 2]) ^ TE(2, 0, s[ 5]) ^ TE(3, 0, s[ 8]) ^ _rk[b+12]; \
t[13] = TE(0, 1, s[15]) ^ TE(1, 1, s[ 2]) ^ TE(2, 1, s[ 5]) ^ TE(3, 1, s[ 8]) ^ _rk[b+13]; \
t[14] = TE(0, 2, s[15]) ^ TE(1, 2, s[ 2]) ^ TE(2, 2, s[ 5]) ^ TE(3, 2, s[ 8]) ^ _rk[b+14]; \
t[15] = TE(0, 3, s[15]) ^ TE(1, 3, s[ 2]) ^ TE(2, 3, s[ 5]) ^ TE(3, 3, s[ 8]) ^ _rk[b+15]; \
}
__device__ void load_smem(uchar *st0, uchar *gt0, uchar *st1, uchar *gt1, uchar *st2, uchar *gt2, uchar *st3, uchar *gt3) {
int tid = threadIdx.x;
uint *s, *g;
s = (uint *)st0; g = (uint *)gt0;
s[tid] = g[tid];
s = (uint *)st1; g = (uint *)gt1;
s[tid] = g[tid];
s = (uint *)st2; g = (uint *)gt2;
s[tid] = g[tid];
s = (uint *)st3; g = (uint *)gt3;
s[tid] = g[tid];
__syncthreads();
}
__global__ void AES_encrypt_secure(const uint *pt, uint *ct, uint *rek, uint Nr, uint size) {
int tid = blockIdx.x * blockDim.x + threadIdx.x;
uchar *_pt = pt, *_ct = ct;
uchar _s[16], _t[16];
#ifdef USE_SMEM
__shared__ uchar sTe0[1024], sTe1[1024], sTe2[1024], sTe3[1024];
uchar* _te[] = {sTe0, sTe1, sTe2, sTe3};
#if TTABLE == 256
load_smem(sTe0, dTe0_256, sTe1, dTe1_256, sTe2, dTe2_256, sTe3, dTe3_256);
#elif TTABLE == 128
load_smem(sTe0, dTe0_128, sTe1, dTe1_128, sTe2, dTe2_128, sTe3, dTe3_128);
#elif TTABLE == 64
load_smem(sTe0, dTe0_64, sTe1, dTe1_64, sTe2, dTe2_64, sTe3, dTe3_64);
#elif TTABLE == 32
load_smem(sTe0, dTe0_32, sTe1, dTe1_32, sTe2, dTe2_32, sTe3, dTe3_32);
#endif // TTABLE
#else
#if TTABLE == 256
uchar* _te[] = {dTe0_256, dTe1_256, dTe2_256, dTe3_256};
#elif TTABLE == 128
uchar* _te[] = {dTe0_128, dTe1_128, dTe2_128, dTe3_128};
#elif TTABLE == 64
uchar* _te[] = {dTe0_64, dTe1_64, dTe2_64, dTe3_64};
#elif TTABLE == 32
uchar* _te[] = {dTe0_32, dTe1_32, dTe2_32, dTe3_32};
#endif // TTABLE
#endif // USE_SMEM
size <<= 2;
int iter = 0;
BEGIN:
int offset = (iter * NUM_THREADS * NUM_BLOCKS + tid) << 4;
if (offset >= size) return;
/*
* map byte array block to cipher state
* and add initial round key:
*/
uchar *_rk = rek;
#pragma unroll
for (int i = 0; i < 16; i++)
_s[i] = _pt[offset + i] ^ _rk[i];
ROUND(_t, _s, 1);
ROUND(_s, _t, 2);
ROUND(_t, _s, 3);
ROUND(_s, _t, 4);
ROUND(_t, _s, 5);
ROUND(_s, _t, 6);
ROUND(_t, _s, 7);
ROUND(_s, _t, 8);
ROUND(_t, _s, 9);
if (Nr > 10) {
ROUND(_s, _t, 10);
ROUND(_t, _s, 11);
if (Nr > 12) {
ROUND(_s, _t, 12);
ROUND(_t, _s, 13);
}
}
/*
* apply last round and
* map cipher state to byte array block:
*/
_rk += (Nr << 4);
_ct[offset + 0] = TE(1, 0, _t[12]) ^ _rk[ 0];
_ct[offset + 1] = TE(0, 1, _t[ 9]) ^ _rk[ 1];
_ct[offset + 2] = TE(3, 2, _t[ 6]) ^ _rk[ 2];
_ct[offset + 3] = TE(2, 3, _t[ 3]) ^ _rk[ 3];
_ct[offset + 4] = TE(1, 0, _t[ 0]) ^ _rk[ 4];
_ct[offset + 5] = TE(0, 1, _t[13]) ^ _rk[ 5];
_ct[offset + 6] = TE(3, 2, _t[10]) ^ _rk[ 6];
_ct[offset + 7] = TE(2, 3, _t[ 7]) ^ _rk[ 7];
_ct[offset + 8] = TE(1, 0, _t[ 4]) ^ _rk[ 8];
_ct[offset + 9] = TE(0, 1, _t[ 1]) ^ _rk[ 9];
_ct[offset + 10] = TE(3, 2, _t[14]) ^ _rk[10];
_ct[offset + 11] = TE(2, 3, _t[11]) ^ _rk[11];
_ct[offset + 12] = TE(1, 0, _t[ 8]) ^ _rk[12];
_ct[offset + 13] = TE(0, 1, _t[ 5]) ^ _rk[13];
_ct[offset + 14] = TE(3, 2, _t[ 2]) ^ _rk[14];
_ct[offset + 15] = TE(2, 3, _t[15]) ^ _rk[15];
iter++;
goto BEGIN;
}