Function generate_user_salt

mysys_ssl/crypt_genhash_impl.cc:441–459

*/
extern "C"
void generate_user_salt(char *buffer, int buffer_len)
{
  char *end= buffer + buffer_len - 1;
#ifdef HAVE_YASSL
  yaSSL::RAND_bytes((unsigned char *) buffer, buffer_len);
#else
  RAND_bytes((unsigned char *) buffer, buffer_len);
#endif
      
  /* Sequence must be a legal UTF8 string */
  for (; buffer < end; buffer++)
  { 
    *buffer &= 0x7f;
    if (*buffer == '\0' || *buffer == '$')
      *buffer= *buffer + 1;
  }
  /* Make sure the buffer is terminated properly */
  *end= '\0';
}

void xor_string(char *to, int to_len, char *pattern, int pattern_len)
{