libs/libtelnet/enc_des.c

67 struct fb {
86 static struct fb fb[2];
116 void fb64_init(struct fb *);
117 static int fb64_start(struct fb *, int, int);
118 int fb64_is(unsigned char *, int, struct fb *);
119 int fb64_reply(unsigned char *, int, struct fb *);
120 static void fb64_session(Session_Key *, int, struct fb *);
122 int fb64_keyid(int, unsigned char *, int *, struct fb *);
127 	fb64_init(&fb[CFB]);
128 	fb[CFB].fb_feed[4] = ENCTYPE_DES_CFB64;
129 	fb[CFB].streams[0].str_flagshift = SHIFT_VAL(0, CFB);
130 	fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, CFB);
136 	fb64_init(&fb[OFB]);
137 	fb[OFB].fb_feed[4] = ENCTYPE_DES_OFB64;
138 	fb[CFB].streams[0].str_flagshift = SHIFT_VAL(0, OFB);
139 	fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, OFB);
143 fb64_init(struct fb *fbp)
164 	return(fb64_start(&fb[CFB], dir, server));
170 	return(fb64_start(&fb[OFB], dir, server));
174 fb64_start(struct fb *fbp, int dir, int server __unused)
241 	return(fb64_is(data, cnt, &fb[CFB]));
247 	return(fb64_is(data, cnt, &fb[OFB]));
251 fb64_is(unsigned char *data, int cnt, struct fb *fbp)
324 	return(fb64_reply(data, cnt, &fb[CFB]));
330 	return(fb64_reply(data, cnt, &fb[OFB]));
334 fb64_reply(unsigned char *data, int cnt, struct fb *fbp)
373 	fb64_session(key, server, &fb[CFB]);
379 	fb64_session(key, server, &fb[OFB]);
383 fb64_session(Session_Key *key, int server, struct fb *fbp)
415 	return(fb64_keyid(dir, kp, lenp, &fb[CFB]));
421 	return(fb64_keyid(dir, kp, lenp, &fb[OFB]));
425 fb64_keyid(int dir, unsigned char *kp, int *lenp, struct fb *fbp)
543 	struct stinfo *stp = &fb[CFB].streams[DIR_ENCRYPT-1];
566 	struct stinfo *stp = &fb[CFB].streams[DIR_DECRYPT-1];
616 	struct stinfo *stp = &fb[OFB].streams[DIR_ENCRYPT-1];
636 	struct stinfo *stp = &fb[OFB].streams[DIR_DECRYPT-1];