CFB
fb64_init(&fb[CFB]);
fb[CFB].fb_feed[4] = ENCTYPE_DES_CFB64;
fb[CFB].streams[0].str_flagshift = SHIFT_VAL(0, CFB);
fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, CFB);
fb[CFB].streams[0].str_flagshift = SHIFT_VAL(0, OFB);
fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, OFB);
return(fb64_start(&fb[CFB], dir, server));
return(fb64_is(data, cnt, &fb[CFB]));
return(fb64_reply(data, cnt, &fb[CFB]));
fb64_session(key, server, &fb[CFB]);
return(fb64_keyid(dir, kp, lenp, &fb[CFB]));
struct stinfo *stp = &fb[CFB].streams[DIR_ENCRYPT-1];
struct stinfo *stp = &fb[CFB].streams[DIR_DECRYPT-1];