static void ripemd160_transform(uint32_t *state, const uint8_t buffer[64], int ext)
{
uint32_t a, b, c, d, e, f, g, h, i, j, t;
uint32_t block[16];
int n;
if (ext) {
a = state[0]; b = state[1]; c = state[2]; d = state[3]; e = state[4];
f = state[5]; g = state[6]; h = state[7]; i = state[8]; j = state[9];
} else {
a = f = state[0];
b = g = state[1];
c = h = state[2];
d = i = state[3];
e = j = state[4];
}
for (n = 0; n < 16; n++)
block[n] = AV_RL32(buffer + 4 * n);
n = 0;
#if CONFIG_SMALL
for (; n < 16;) {
ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j);
t = e; e = d; d = c; c = b; b = a; a = t;
t = j; j = i; i = h; h = g; g = f; f = t;
}
SWAP(b,g)
for (; n < 32;) {
ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j);
t = e; e = d; d = c; c = b; b = a; a = t;
t = j; j = i; i = h; h = g; g = f; f = t;
}
SWAP(d,i)
for (; n < 48;) {
ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j);
t = e; e = d; d = c; c = b; b = a; a = t;
t = j; j = i; i = h; h = g; g = f; f = t;
}
SWAP(a,f)
for (; n < 64;) {
ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j);
t = e; e = d; d = c; c = b; b = a; a = t;
t = j; j = i; i = h; h = g; g = f; f = t;
}
SWAP(c,h)
for (; n < 80;) {
ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j);
t = e; e = d; d = c; c = b; b = a; a = t;
t = j; j = i; i = h; h = g; g = f; f = t;
}
SWAP(e,j)
#else
#define R160_0 \
ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j); \
ROUND160_0_TO_15(e,a,b,c,d,j,f,g,h,i); \
ROUND160_0_TO_15(d,e,a,b,c,i,j,f,g,h); \
ROUND160_0_TO_15(c,d,e,a,b,h,i,j,f,g); \
ROUND160_0_TO_15(b,c,d,e,a,g,h,i,j,f)
R160_0; R160_0; R160_0;
ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j);
SWAP(a,f)
#define R160_16 \
ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i); \
ROUND160_16_TO_31(d,e,a,b,c,i,j,f,g,h); \
ROUND160_16_TO_31(c,d,e,a,b,h,i,j,f,g); \
ROUND160_16_TO_31(b,c,d,e,a,g,h,i,j,f); \
ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j)
R160_16; R160_16; R160_16;
ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i);
SWAP(b,g)
#define R160_32 \
ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h); \
ROUND160_32_TO_47(c,d,e,a,b,h,i,j,f,g); \
ROUND160_32_TO_47(b,c,d,e,a,g,h,i,j,f); \
ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j); \
ROUND160_32_TO_47(e,a,b,c,d,j,f,g,h,i)
R160_32; R160_32; R160_32;
ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h);
SWAP(c,h)
#define R160_48 \
ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g); \
ROUND160_48_TO_63(b,c,d,e,a,g,h,i,j,f); \
ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j); \
ROUND160_48_TO_63(e,a,b,c,d,j,f,g,h,i); \
ROUND160_48_TO_63(d,e,a,b,c,i,j,f,g,h)
R160_48; R160_48; R160_48;
ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g);
SWAP(d,i)
#define R160_64 \
ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f); \
ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j); \
ROUND160_64_TO_79(e,a,b,c,d,j,f,g,h,i); \
ROUND160_64_TO_79(d,e,a,b,c,i,j,f,g,h); \
ROUND160_64_TO_79(c,d,e,a,b,h,i,j,f,g)
R160_64; R160_64; R160_64;
ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f);
SWAP(e,j)
#endif
if (ext) {
state[0] += a; state[1] += b; state[2] += c; state[3] += d; state[4] += e;
state[5] += f; state[6] += g; state[7] += h; state[8] += i; state[9] += j;
} else {
i += c + state[1];
state[1] = state[2] + d + j;
state[2] = state[3] + e + f;
state[3] = state[4] + a + g;
state[4] = state[0] + b + h;
state[0] = i;
}
}
static void ripemd160_transform(uint32_t *state, const uint8_t buffer[64], int ext)
{
uint32_t a, b, c, d, e, f, g, h, i, j;
uint32_t block[16];
int n;
if (ext) {
a = state[0]; b = state[1]; c = state[2]; d = state[3]; e = state[4];
f = state[5]; g = state[6]; h = state[7]; i = state[8]; j = state[9];
} else {
a = f = state[0];
b = g = state[1];
c = h = state[2];
d = i = state[3];
e = j = state[4];
}
for (n = 0; n < 16; n++)
block[n] = AV_RL32(buffer + 4 * n);
for (n = 0; n < 16 - 1;) {
ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j);
ROUND160_0_TO_15(e,a,b,c,d,j,f,g,h,i);
ROUND160_0_TO_15(d,e,a,b,c,i,j,f,g,h);
ROUND160_0_TO_15(c,d,e,a,b,h,i,j,f,g);
ROUND160_0_TO_15(b,c,d,e,a,g,h,i,j,f);
}
ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j);
SWAP(a,f)
for (; n < 32 - 1;) {
ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i);
ROUND160_16_TO_31(d,e,a,b,c,i,j,f,g,h);
ROUND160_16_TO_31(c,d,e,a,b,h,i,j,f,g);
ROUND160_16_TO_31(b,c,d,e,a,g,h,i,j,f);
ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j);
}
ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i);
SWAP(b,g)
for (; n < 48 - 1;) {
ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h);
ROUND160_32_TO_47(c,d,e,a,b,h,i,j,f,g);
ROUND160_32_TO_47(b,c,d,e,a,g,h,i,j,f);
ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j);
ROUND160_32_TO_47(e,a,b,c,d,j,f,g,h,i);
}
ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h);
SWAP(c,h)
for (; n < 64 - 1;) {
ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g);
ROUND160_48_TO_63(b,c,d,e,a,g,h,i,j,f);
ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j);
ROUND160_48_TO_63(e,a,b,c,d,j,f,g,h,i);
ROUND160_48_TO_63(d,e,a,b,c,i,j,f,g,h);
}
ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g);
SWAP(d,i)
for (; n < 80 - 1;) {
ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f);
ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j);
ROUND160_64_TO_79(e,a,b,c,d,j,f,g,h,i);
ROUND160_64_TO_79(d,e,a,b,c,i,j,f,g,h);
ROUND160_64_TO_79(c,d,e,a,b,h,i,j,f,g);
}
ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f);
SWAP(e,j)
if (ext) {
state[0] += a; state[1] += b; state[2] += c; state[3] += d; state[4] += e;
state[5] += f; state[6] += g; state[7] += h; state[8] += i; state[9] += j;
} else {
i += c + state[1];
state[1] = state[2] + d + j;
state[2] = state[3] + e + f;
state[3] = state[4] + a + g;
state[4] = state[0] + b + h;
state[0] = i;
}
}
