/********************************************************************************************************/
/* some helping functions */
-const
+static const
uint32_t rotl32(uint32_t n, uint8_t bits){
return ((n<<bits) | (n>>(32-bits)));
}
-const
+static const
uint32_t change_endian32(uint32_t x){
return (((x)<<24) | ((x)>>24) | (((x)& 0x0000ff00)<<8) | (((x)& 0x00ff0000)>>8));
}