read_ledword
*pmagic = read_ledword(&p);
*pbitlen = read_ledword(&p);
if (!BN_set_word(rsa->e, read_ledword(&p)))
pvk_magic = read_ledword(&p);
/*keytype = */read_ledword(&p);
is_encrypted = read_ledword(&p);
*psaltlen = read_ledword(&p);
*pkeylen = read_ledword(&p);
magic = read_ledword((const unsigned char **)&q);
magic = read_ledword((const unsigned char **)&q);