diff options
Diffstat (limited to 'src/libsodium/crypto_stream/aes256estream/hongjun/aes256.h')
| -rw-r--r-- | src/libsodium/crypto_stream/aes256estream/hongjun/aes256.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/src/libsodium/crypto_stream/aes256estream/hongjun/aes256.h b/src/libsodium/crypto_stream/aes256estream/hongjun/aes256.h deleted file mode 100644 index d562b1d..0000000 --- a/src/libsodium/crypto_stream/aes256estream/hongjun/aes256.h +++ /dev/null @@ -1,171 +0,0 @@ -/* aes256.h */ -/* Hongjun Wu, January 2007*/ - - -#include "ecrypt-sync.h" -#include "aes-table.h" - -#include <stdio.h> - -#ifdef NATIVE_LITTLE_ENDIAN -# define LEROT(X, S) ((uint8_t) ((uint32_t)(X) >> (S))) -# define SWP32(X) (X) -#elif defined(NATIVE_BIG_ENDIAN) -# define LEROT(X, S) ((uint8_t) ((uint32_t)(X) >> (24 - (S)))) -# define SWP32(X) ((uint32_t)((((uint32_t)(X) & 0xff000000) >> 24) | \ - (((uint32_t)(X) & 0x00ff0000) >> 8) | \ - (((uint32_t)(X) & 0x0000ff00) << 8) | \ - (((uint32_t)(X) & 0x000000ff) << 24))) -#else -# error Unsupported byte ordering -#endif - -#define first_round(ctx,x0,y0) { \ - u32 z0,t0,tem0; \ - z0 = (x0) ^ ctx->round_key[0][0]; \ - t0 = LEROT(z0, 0); \ - tem0 = T0[t0]; \ - (y0) = tem0 ^ ctx->first_round_output_x0; \ -} - -#define second_round(ctx,x0,y0,y1,y2,y3) { \ - u32 t0,t7,t10,t13; \ - u32 tem0,tem7,tem10,tem13; \ - t0 = LEROT(x0, 0); \ - tem0 = T0[t0]; \ - (y0) = tem0 ^ ctx->second_round_output[0]; \ - t7 = LEROT(x0, 24); \ - tem7 = T3[t7]; \ - (y1) = tem7 ^ ctx->second_round_output[1]; \ - t10 = LEROT(x0, 16); \ - tem10 = T2[t10]; \ - (y2) = tem10 ^ ctx->second_round_output[2]; \ - t13 = LEROT(x0, 8); \ - tem13 = T1[t13];\ - (y3) = tem13 ^ ctx->second_round_output[3]; \ -} - -#define round(ctx,x0,x1,x2,x3,y0,y1,y2,y3,r) { \ - u32 t0,t1,t2,t3; \ - u32 t4,t5,t6,t7; \ - u32 t8,t9,t10,t11; \ - u32 t12,t13,t14,t15;\ - u32 tem0,tem1,tem2,tem3; \ - u32 tem4,tem5,tem6,tem7; \ - u32 tem8,tem9,tem10,tem11; \ - u32 tem12,tem13,tem14,tem15;\ - \ - t0 = LEROT(x0, 0); \ - tem0 = T0[t0]; \ - t1 = LEROT(x1, 8); \ - tem1 = tem0 ^ T1[t1]; \ - t2 = LEROT(x2, 16); \ - tem2 = tem1 ^ T2[t2]; \ - t3 = LEROT(x3, 24); \ - tem3 = tem2 ^ T3[t3]; \ - (y0) = tem3 ^ ctx->round_key[r][0]; \ - \ - t4 = LEROT(x1, 0); \ - tem4 = T0[t4]; \ - t5 = LEROT(x2, 8); \ - tem5 = tem4 ^ T1[t5]; \ - t6 = LEROT(x3, 16); \ - tem6 = tem5 ^ T2[t6]; \ - t7 = LEROT(x0, 24); \ - tem7 = tem6 ^ T3[t7]; \ - (y1) = tem7 ^ ctx->round_key[r][1]; \ - \ - t8 = LEROT(x2, 0); \ - tem8 = T0[t8]; \ - t9 = LEROT(x3, 8); \ - tem9 = tem8 ^ T1[t9]; \ - t10 = LEROT(x0, 16); \ - tem10 = tem9 ^ T2[t10]; \ - t11 = LEROT(x1, 24); \ - tem11 = tem10 ^ T3[t11];\ - (y2) = tem11 ^ ctx->round_key[r][2]; \ - \ - t12 = LEROT(x3, 0); \ - tem12 = T0[t12]; \ - t13 = LEROT(x0, 8); \ - tem13 = tem12 ^ T1[t13];\ - t14 = LEROT(x1, 16); \ - tem14 = tem13 ^ T2[t14];\ - t15 = LEROT(x2, 24); \ - tem15 = tem14 ^ T3[t15];\ - (y3) = tem15 ^ ctx->round_key[r][3]; \ -} - -/* 22.14 cycles/byte*/ -#define last_round(ctx,x0,x1,x2,x3,output,r) { \ - u32 t0,t1,t2,t3; \ - u32 t4,t5,t6,t7; \ - u32 t8,t9,t10,t11; \ - u32 t12,t13,t14,t15;\ - \ - t0 = LEROT(x0, 0); \ - output[0] = Sbox[t0]; \ - t7 = LEROT(x0, 24); \ - output[7] = Sbox[t7]; \ - t10 = LEROT(x0, 16); \ - output[10] = Sbox[t10]; \ - t13 = LEROT(x0, 8); \ - output[13] = Sbox[t13]; \ - \ - t1 = LEROT(x1, 8); \ - output[1] = Sbox[t1]; \ - t4 = LEROT(x1, 0); \ - output[4] = Sbox[t4]; \ - t11 = LEROT(x1, 24); \ - output[11] = Sbox[t11]; \ - t14 = LEROT(x1, 16); \ - output[14] = Sbox[t14]; \ - \ - t2 = LEROT(x2, 16); \ - output[2] = Sbox[t2]; \ - t5 = LEROT(x2, 8); \ - output[5] = Sbox[t5]; \ - t8 = LEROT(x2, 0); \ - output[8] = Sbox[t8]; \ - t15 = LEROT(x2, 24); \ - output[15] = Sbox[t15]; \ - \ - t3 = LEROT(x3, 24); \ - output[3] = Sbox[t3]; \ - t6 = LEROT(x3, 16); \ - output[6] = Sbox[t6]; \ - t9 = LEROT(x3, 8); \ - output[9] = Sbox[t9]; \ - t12 = LEROT(x3, 0); \ - output[12] = Sbox[t12]; \ -} - -#define aes256_enc_block(x,output,ctx) {\ - u32 y0;\ - u32 z0,z1,z2,z3;\ - u32 a0,a1,a2,a3;\ - u32 b0,b1,b2,b3;\ - u32 c0,c1,c2,c3;\ - u32 d0,d1,d2,d3;\ - u32 e0,e1,e2,e3;\ - u32 f0,f1,f2,f3;\ - u32 g0,g1,g2,g3;\ - u32 h0,h1,h2,h3;\ - u32 i0,i1,i2,i3;\ - u32 j0,j1,j2,j3;\ - u32 k0,k1,k2,k3;\ - first_round(ctx,x[0],y0);\ - second_round(ctx,y0,z0,z1,z2,z3);\ - round(ctx,z0,z1,z2,z3,a0,a1,a2,a3,3);\ - round(ctx,a0,a1,a2,a3,b0,b1,b2,b3,4);\ - round(ctx,b0,b1,b2,b3,c0,c1,c2,c3,5);\ - round(ctx,c0,c1,c2,c3,d0,d1,d2,d3,6);\ - round(ctx,d0,d1,d2,d3,e0,e1,e2,e3,7);\ - round(ctx,e0,e1,e2,e3,f0,f1,f2,f3,8);\ - round(ctx,f0,f1,f2,f3,g0,g1,g2,g3,9);\ - round(ctx,g0,g1,g2,g3,h0,h1,h2,h3,10);\ - round(ctx,h0,h1,h2,h3,i0,i1,i2,i3,11);\ - round(ctx,i0,i1,i2,i3,j0,j1,j2,j3,12);\ - round(ctx,j0,j1,j2,j3,k0,k1,k2,k3,13);\ - last_round(ctx,k0,k1,k2,k3,(output),14);\ -} |