OFB
fb64_init(&fb[OFB]);
fb[OFB].fb_feed[4] = ENCTYPE_DES_OFB64;
fb[CFB].streams[0].str_flagshift = SHIFT_VAL(0, OFB);
fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, OFB);
return(fb64_start(&fb[OFB], dir, server));
return(fb64_is(data, cnt, &fb[OFB]));
return(fb64_reply(data, cnt, &fb[OFB]));
fb64_session(key, server, &fb[OFB]);
return(fb64_keyid(dir, kp, lenp, &fb[OFB]));
struct stinfo *stp = &fb[OFB].streams[DIR_ENCRYPT-1];
struct stinfo *stp = &fb[OFB].streams[DIR_DECRYPT-1];