SKCK_LEN
KEYLEN(keylen) + SKCK_LEN(keylen))
err = cbc_crypt(key.c, (char *)skck, SKCK_LEN(newch->keylen),
if ((skck = malloc(SKCK_LEN(ch->keylen))) == 0) {
memcpy(skck, skck_cd, SKCK_LEN(ch->keylen));
err = cbc_crypt(key.c, (char *)skck, SKCK_LEN(ch->keylen),