SKEY_MAX_PW_LEN
char secret[SKEY_MAX_SEED_LEN], pbuf[SKEY_MAX_PW_LEN+1], *p, *u;
char pbuf[SKEY_MAX_PW_LEN+1], skeyprompt[SKEY_MAX_CHALLENGE+1];
char challenge[SKEY_MAX_CHALLENGE+17], response[SKEY_MAX_PW_LEN+1];
char passwd[SKEY_MAX_PW_LEN+1], key[SKEY_BINKEY_SIZE];
char passwd[SKEY_MAX_PW_LEN+2], key2[SKEY_BINKEY_SIZE];