# define BUG24 1
#endif
-#define F0_HACK 2
+#define F0_HACK 0
#define DEBUG 0
#define dump_x(a,b,c)
#endif
-static
-uint32_t bmw_small_s0(uint32_t x){
- uint32_t r;
- r = SHR32(x, 1)
- ^ SHL32(x, 3)
- ^ ROTL32(x, 4)
- ^ ROTR32(x, 13);
- return r;
-}
-
-static
-uint32_t bmw_small_s1(uint32_t x){
- uint32_t r;
- r = SHR32(x, 1)
- ^ SHL32(x, 2)
- ^ ROTL32(x, 8)
- ^ ROTR32(x, 9);
- return r;
-}
-
-static
-uint32_t bmw_small_s2(uint32_t x){
- uint32_t r;
- r = SHR32(x, 2)
- ^ SHL32(x, 1)
- ^ ROTL32(x, 12)
- ^ ROTR32(x, 7);
- return r;
-}
-
-static
-uint32_t bmw_small_s3(uint32_t x){
- uint32_t r;
- r = SHR32(x, 2)
- ^ SHL32(x, 2)
- ^ ROTL32(x, 15)
- ^ ROTR32(x, 3);
- return r;
-}
-
-static
-uint32_t bmw_small_s4(uint32_t x){
- uint32_t r;
- r = SHR32(x, 1)
- ^ x;
- return r;
-}
-
-static
-uint32_t bmw_small_s5(uint32_t x){
- uint32_t r;
- r = SHR32(x, 2)
- ^ x;
- return r;
-}
-
-static
-uint32_t bmw_small_r1(uint32_t x){
- uint32_t r;
- r = ROTL32(x, 3);
- return r;
-}
-
-static
-uint32_t bmw_small_r2(uint32_t x){
- uint32_t r;
- r = ROTL32(x, 7);
- return r;
-}
-
-static
-uint32_t bmw_small_r3(uint32_t x){
- uint32_t r;
- r = ROTL32(x, 13);
- return r;
-}
-
-static
-uint32_t bmw_small_r4(uint32_t x){
- uint32_t r;
- r = ROTL32(x, 16);
- return r;
-}
-
-static
-uint32_t bmw_small_r5(uint32_t x){
- uint32_t r;
- r = ROTR32(x, 13);
- return r;
-}
-
-static
-uint32_t bmw_small_r6(uint32_t x){
- uint32_t r;
- r = ROTR32(x, 9);
- return r;
-}
-
-static
-uint32_t bmw_small_r7(uint32_t x){
- uint32_t r;
- r = ROTR32(x, 5);
- return r;
-}
+#define S32_0(x) ( (SHR32((x), 1)) ^ \
+ (SHL32((x), 3)) ^ \
+ (ROTL32((x), 4)) ^ \
+ (ROTR32((x), 13)) )
+
+#define S32_1(x) ( (SHR32((x), 1)) ^ \
+ (SHL32((x), 2)) ^ \
+ (ROTL32((x), 8)) ^ \
+ (ROTR32((x), 9)) )
+
+#define S32_2(x) ( (SHR32((x), 2)) ^ \
+ (SHL32((x), 1)) ^ \
+ (ROTL32((x), 12)) ^ \
+ (ROTR32((x), 7)) )
+
+#define S32_3(x) ( (SHR32((x), 2)) ^ \
+ (SHL32((x), 2)) ^ \
+ (ROTL32((x), 15)) ^ \
+ (ROTR32((x), 3)) )
+
+#define S32_4(x) ( (SHR32((x), 1)) ^ (x))
+
+#define S32_5(x) ( (SHR32((x), 2)) ^ (x))
+
+#define R32_1(x) (ROTL32((x), 3))
+#define R32_2(x) (ROTL32((x), 7))
+#define R32_3(x) (ROTL32((x), 13))
+#define R32_4(x) (ROTL32((x), 16))
+#define R32_5(x) (ROTR32((x), 13))
+#define R32_6(x) (ROTR32((x), 9))
+#define R32_7(x) (ROTR32((x), 5))
/*
#define K 0x05555555L
static
static
uint32_t bmw_small_expand1(uint8_t j, const uint32_t* q, const void* m, const void* h){
- uint32_t(*s[])(uint32_t) = {bmw_small_s1, bmw_small_s2, bmw_small_s3, bmw_small_s0};
uint32_t r;
- uint8_t i;
/* r = 0x05555555*(j+16); */
-#if TWEAK
r = ( ROTL32(((uint32_t*)m)[j&0xf], ((j+0)&0xf)+1 )
+ ROTL32(((uint32_t*)m)[(j+3)&0xf], ((j+3)&0xf)+1 )
- ROTL32(((uint32_t*)m)[(j+10)&0xf], ((j+10)&0xf)+1 )
+ k_lut[j]
) ^ ((uint32_t*)h)[(j+7)&0xf];
-#else
- r = k_lut[j];
- r += ((uint32_t*)m)[j&0xf];
- r += ((uint32_t*)m)[(j+3)&0xf];
- r -= ((uint32_t*)m)[(j+10)&0xf];
-#endif
- for(i=0; i<16; ++i){
- r += s[i%4](q[j+i]);
- }
+ r += S32_1(q[j+ 0]) + S32_2(q[j+ 1]) + S32_3(q[j+ 2]) + S32_0(q[j+ 3])
+ + S32_1(q[j+ 4]) + S32_2(q[j+ 5]) + S32_3(q[j+ 6]) + S32_0(q[j+ 7])
+ + S32_1(q[j+ 8]) + S32_2(q[j+ 9]) + S32_3(q[j+10]) + S32_0(q[j+11])
+ + S32_1(q[j+12]) + S32_2(q[j+13]) + S32_3(q[j+14]) + S32_0(q[j+15]);
return r;
}
static
uint32_t bmw_small_expand2(uint8_t j, const uint32_t* q, const void* m, const void* h){
- uint32_t(*rf[])(uint32_t) = {bmw_small_r1, bmw_small_r2, bmw_small_r3,
- bmw_small_r4, bmw_small_r5, bmw_small_r6,
- bmw_small_r7};
- uint32_t r=0;
- uint8_t i;
- for(i=0; i<14; i+=2){
- r += q[j+i];
- }
- for(i=0; i<14; i+=2){
- r += rf[i/2](q[j+i+1]);
- }
-#if TWEAK
- r += bmw_small_s4(q[j+14]);
- r += bmw_small_s5(q[j+15]);
-#else
- r += bmw_small_s5(q[j+14]);
- r += bmw_small_s4(q[j+15]);
-#endif
-#if TWEAK
- r += ( ROTL32(((uint32_t*)m)[j&0xf], ((j+0)&0xf)+1 )
+ uint32_t r;
+ r = ( ROTL32(((uint32_t*)m)[j&0xf], ((j+0)&0xf)+1 )
+ ROTL32(((uint32_t*)m)[(j+3)&0xf], ((j+3)&0xf)+1 )
- ROTL32(((uint32_t*)m)[(j+10)&0xf], ((j+10)&0xf)+1 )
+ k_lut[j]
) ^ ((uint32_t*)h)[(j+7)&0xf];
-#else
- r += k_lut[j];
- r += ((uint32_t*)m)[j&0xf];
- r += ((uint32_t*)m)[(j+3)&0xf];
- r -= ((uint32_t*)m)[(j+10)&0xf];
-#endif
+ r += (q[j+ 0]) + R32_1(q[j+ 1]) + (q[j+ 2]) + R32_2(q[j+ 3])
+ + (q[j+ 4]) + R32_3(q[j+ 5]) + (q[j+ 6]) + R32_4(q[j+ 7])
+ + (q[j+ 8]) + R32_5(q[j+ 9]) + (q[j+10]) + R32_6(q[j+11])
+ + (q[j+12]) + R32_7(q[j+13]) + S32_4(q[j+14]) + S32_5(q[j+15]);
return r;
}
for(i=0; i<16; ++i){
q[i] = s[i%5](q[i]);
}
-#if TWEAK
for(i=0; i<16; ++i){
((uint32_t*)h)[i] ^= ((uint32_t*)m)[i];
}
for(i=0; i<16; ++i){
q[i] += h[(i+1)&0xf];
}
-#endif
}
#endif /* F0_HACK==2*/
for(i=0; i<16; ++i){
q[i] = s[i%5](q[i]);
}
-#if TWEAK
for(i=0; i<16; ++i){
((uint32_t*)h)[i] ^= ((uint32_t*)m)[i];
}
for(i=0; i<16; ++i){
q[i] += h[(i+1)&0xf];
}
-#endif /* TWEAK */
}
#endif /* F0_HACK==1 */
static
void bmw_small_f0(uint32_t* q, uint32_t* h, const void* m){
uint8_t i;
- uint32_t(*s[])(uint32_t)={ bmw_small_s0, bmw_small_s1, bmw_small_s2,
- bmw_small_s3, bmw_small_s4 };
for(i=0; i<16; ++i){
((uint32_t*)h)[i] ^= ((uint32_t*)m)[i];
}
q[14] = (h[ 3] - h[ 5] + h[ 8] - h[11] - h[12]);
q[15] = (h[12] - h[ 4] - h[ 6] - h[ 9] + h[13]);
dump_x(q, 16, 'W');
- for(i=0; i<16; ++i){
- q[i] = s[i%5](q[i]);
- }
-#if TWEAK
+ q[ 0] = S32_0(q[ 0]);
+ q[ 1] = S32_1(q[ 1]);
+ q[ 2] = S32_2(q[ 2]);
+ q[ 3] = S32_3(q[ 3]);
+ q[ 4] = S32_4(q[ 4]);
+ q[ 5] = S32_0(q[ 5]);
+ q[ 6] = S32_1(q[ 6]);
+ q[ 7] = S32_2(q[ 7]);
+ q[ 8] = S32_3(q[ 8]);
+ q[ 9] = S32_4(q[ 9]);
+ q[10] = S32_0(q[10]);
+ q[11] = S32_1(q[11]);
+ q[12] = S32_2(q[12]);
+ q[13] = S32_3(q[13]);
+ q[14] = S32_4(q[14]);
+ q[15] = S32_0(q[15]);
for(i=0; i<16; ++i){
((uint32_t*)h)[i] ^= ((uint32_t*)m)[i];
}
for(i=0; i<16; ++i){
q[i] += h[(i+1)&0xf];
}
-#endif /* TWEAK */
}
#endif /* F0_HACK==0 */
#define R32_6(x) (ROTR32((x), 9))
#define R32_7(x) (ROTR32((x), 5))
-/*
-#define K 0x05555555L
-static
-uint32_t k_lut[] PROGMEM = {
- 16L*K, 17L*K, 18L*K, 19L*K, 20L*K, 21L*K, 22L*K, 23L*K,
- 24L*K, 25L*K, 26L*K, 27L*K, 28L*K, 29L*K, 30L*K, 31L*K
-};
-*/
-/* same as above but precomputed to avoid compiler warnings */
-/*
-static
-uint32_t k_lut[] = {
- 0x55555550L, 0x5aaaaaa5L, 0x5ffffffaL,
- 0x6555554fL, 0x6aaaaaa4L, 0x6ffffff9L,
- 0x7555554eL, 0x7aaaaaa3L, 0x7ffffff8L,
- 0x8555554dL, 0x8aaaaaa2L, 0x8ffffff7L,
- 0x9555554cL, 0x9aaaaaa1L, 0x9ffffff6L,
- 0xa555554bL };
-*/
-/*
-static inline
-uint32_t bmw_small_expand1(uint8_t j, const uint32_t* q, const void* m, const void* h){
- uint32_t r;
- r = ( ROTL32(((uint32_t*)m)[j], ((j+0))+1 )
- + ROTL32(((uint32_t*)m)[(j+3)], ((j+3))+1 )
- - ROTL32(((uint32_t*)m)[(j+10)], ((j+10))+1 )
- + k_lut[j]
- ) ^ ((uint32_t*)h)[(j+7)];
- r += S32_1(q[j+ 0]) + S32_2(q[j+ 1]) + S32_3(q[j+ 2]) + S32_0(q[j+ 3]) +
- S32_1(q[j+ 4]) + S32_2(q[j+ 5]) + S32_3(q[j+ 6]) + S32_0(q[j+ 7]) +
- S32_1(q[j+ 8]) + S32_2(q[j+ 9]) + S32_3(q[j+10]) + S32_0(q[j+11]) +
- S32_1(q[j+12]) + S32_2(q[j+13]) + S32_3(q[j+14]) + S32_0(q[j+15]);
-
- return r;
-}
-static inline
-uint32_t bmw_small_expand2(uint8_t j, const uint32_t* q, const void* m, const void* h){
- uint32_t r;
- r = ( ROTL32(((uint32_t*)m)[j&0xf], ((j+0)&0xf)+1 )
- + ROTL32(((uint32_t*)m)[(j+3)&0xf], ((j+3)&0xf)+1 )
- - ROTL32(((uint32_t*)m)[(j+10)&0xf], ((j+10)&0xf)+1 )
- + k_lut[j]
- ) ^ ((uint32_t*)h)[(j+7)&0xf];
- r += (q[j+ 0]) + R32_1(q[j+ 1]) + (q[j+ 2]) + R32_2(q[j+ 3]) +
- (q[j+ 4]) + R32_3(q[j+ 5]) + (q[j+ 6]) + R32_4(q[j+ 7]) +
- (q[j+ 8]) + R32_5(q[j+ 9]) + (q[j+10]) + R32_6(q[j+11]) +
- (q[j+12]) + R32_7(q[j+13]) + S32_4(q[j+14]) + S32_5(q[j+15]);
- return r;
-}
-*/
-static inline
-void bmw_small_f1(uint32_t* q, const void* m, const void* h);
+#include "f1_autogen.c"
static inline
void bmw_small_f0(uint32_t* q, uint32_t* h, const uint32_t* m){
q[10] = (h[ 8] - h[ 1] - h[ 4] - h[ 7] + h[15]);
q[13] = (h[ 2] + h[ 4] + h[ 7] + h[10] + h[11]);
dump_x(q, 16, 'W');
-/*
- q[ 0] = S32_0(q[ 0]); q[ 1] = S32_1(q[ 1]); q[ 2] = S32_2(q[ 2]); q[ 3] = S32_3(q[ 3]); q[ 4] = S32_4(q[ 4]);
- q[ 5] = S32_0(q[ 5]); q[ 6] = S32_1(q[ 6]); q[ 7] = S32_2(q[ 7]); q[ 8] = S32_3(q[ 8]); q[ 9] = S32_4(q[ 9]);
- q[10] = S32_0(q[10]); q[11] = S32_1(q[11]); q[12] = S32_2(q[12]); q[13] = S32_3(q[13]); q[14] = S32_4(q[14]);
- q[15] = S32_0(q[15]);
- q[ 0] += h[ 1] ^= m[ 1];
- q[ 1] += h[ 2] ^= m[ 2];
- q[ 2] += h[ 3] ^= m[ 3];
- q[ 3] += h[ 4] ^= m[ 4];
- q[ 4] += h[ 5] ^= m[ 5];
- q[ 5] += h[ 6] ^= m[ 6];
- q[ 6] += h[ 7] ^= m[ 7];
- q[ 7] += h[ 8] ^= m[ 8];
- q[ 8] += h[ 9] ^= m[ 9];
- q[ 9] += h[10] ^= m[10];
- q[10] += h[11] ^= m[11];
- q[11] += h[12] ^= m[12];
- q[12] += h[13] ^= m[13];
- q[13] += h[14] ^= m[14];
- q[14] += h[15] ^= m[15];
- q[15] += h[ 0] ^= m[ 0];
-*/
q[ 0] = S32_0(q[ 0]) + (h[ 1] ^= m[ 1]);
q[ 1] = S32_1(q[ 1]) + (h[ 2] ^= m[ 2]);
q[ 2] = S32_2(q[ 2]) + (h[ 3] ^= m[ 3]);
bmw256_ctx2hash(dest, &ctx);
}
-#include "f1_autogen.c"
-
projects / arm-crypto-lib.git / commitdiff