func: 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 < 75;) {
  
          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;
  
      }
  
  }
  