[secnet] / magic.h

/* Magic numbers used within secnet */

#ifndef magic_h
#define magic_h

#define LABEL_NAK     0x00000000
#define LABEL_MSG0    0x00020200
#define LABEL_MSG1    0x01010101
#define LABEL_MSG2    0x02020202
#define LABEL_MSG3    0x03030303
#define LABEL_MSG3BIS 0x13030313
#define LABEL_MSG4    0x04040404
#define LABEL_MSG5    0x05050505
#define LABEL_MSG6    0x06060606
#define LABEL_MSG7    0x07070707
#define LABEL_MSG8    0x08080808
#define LABEL_MSG9    0x09090909

/* uses of the 32-bit capability bitmap */
#define CAPAB_EARLY           0x00000000 /* no Early flags yet (see NOTES) */
#define CAPAB_TRANSFORM_MASK  0x0000ffff
/* remaining 16 bits are unused */

/*
 * The transform capability mask is a set of bits, one for each
 * transform supported.  The transform capability numbers are set in
 * the configuration (and should correspond between the two sites),
 * although there are sensible defaults.
 *
 * Advertising a nonzero transform capability mask promises that
 * the receiver understands LABEL_MSG3BIS messages, which
 * contain an additional byte specifying the transform capability
 * number actually chosen by the MSG3 sender.
 *
 * Aside from that, an empty bitmask is treated the same as
 *  1u<<CAPAB_TRANSFORMNUM_ANCIENT
 */

/* bit indices, 0 is ls bit */
#define CAPAB_TRANSFORMNUM_USER_MIN              0
#define CAPAB_TRANSFORMNUM_USER_MAX              7
#define CAPAB_TRANSFORMNUM_SERPENT256CBC         8
#define CAPAB_TRANSFORMNUM_EAXSERPENT            9
#define CAPAB_TRANSFORMNUM_MAX                  15

#define CAPAB_TRANSFORMNUM_ANCIENT CAPAB_TRANSFORMNUM_SERPENT256CBC

#endif /* magic_h */
Commit	Line	Data
ff05a229 SE	1	/* Magic numbers used within secnet */
	2
	3	#ifndef magic_h
	4	#define magic_h
	5
5b5f297f IJ	6	#define LABEL_NAK 0x00000000
	7	#define LABEL_MSG0 0x00020200
	8	#define LABEL_MSG1 0x01010101
	9	#define LABEL_MSG2 0x02020202
	10	#define LABEL_MSG3 0x03030303
	11	#define LABEL_MSG3BIS 0x13030313
	12	#define LABEL_MSG4 0x04040404
	13	#define LABEL_MSG5 0x05050505
	14	#define LABEL_MSG6 0x06060606
	15	#define LABEL_MSG7 0x07070707
	16	#define LABEL_MSG8 0x08080808
	17	#define LABEL_MSG9 0x09090909
ff05a229	18
09a385fb	19	/* uses of the 32-bit capability bitmap */
5b5f297f IJ	20	#define CAPAB_EARLY 0x00000000 /* no Early flags yet (see NOTES) */
	21	#define CAPAB_TRANSFORM_MASK 0x0000ffff
	22	/* remaining 16 bits are unused */
	23
	24	/*
	25	* The transform capability mask is a set of bits, one for each
	26	* transform supported. The transform capability numbers are set in
	27	* the configuration (and should correspond between the two sites),
	28	* although there are sensible defaults.
	29	*
	30	* Advertising a nonzero transform capability mask promises that
	31	* the receiver understands LABEL_MSG3BIS messages, which
	32	* contain an additional byte specifying the transform capability
	33	* number actually chosen by the MSG3 sender.
	34	*
	35	* Aside from that, an empty bitmask is treated the same as
	36	* 1u<<CAPAB_TRANSFORMNUM_ANCIENT
	37	*/
	38
	39	/* bit indices, 0 is ls bit */
	40	#define CAPAB_TRANSFORMNUM_USER_MIN 0
	41	#define CAPAB_TRANSFORMNUM_USER_MAX 7
	42	#define CAPAB_TRANSFORMNUM_SERPENT256CBC 8
	43	#define CAPAB_TRANSFORMNUM_EAXSERPENT 9
	44	#define CAPAB_TRANSFORMNUM_MAX 15
	45
	46	#define CAPAB_TRANSFORMNUM_ANCIENT CAPAB_TRANSFORMNUM_SERPENT256CBC
09a385fb	47
ff05a229	48	#endif /* magic_h */