ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/gvpe/src/global.h
(Generate patch)

Comparing gvpe/src/global.h (file contents):
Revision 1.3 by pcg, Mon Mar 17 15:23:15 2003 UTC vs.
Revision 1.13 by pcg, Tue Apr 8 02:00:54 2003 UTC

… …
21 21
22#include "config.h" 22#include "config.h"
23 23
24#include <time.h> 24#include <time.h>
25 25
26/* Protocol version. Different major versions are incompatible,
27 * different minor versions probably are compatible ;)
28 */
29
30#define PROTOCOL_MAJOR 0
31#define PROTOCOL_MINOR 1
26 32
27#define RSA_KEYBITS 1280 // must be >= 1280 and divisible by 8 33#define RSA_KEYBITS 1280 // must be >= 1280 and divisible by 8
28#define RSA_KEYLEN ((RSA_KEYBITS) >> 3) 34#define RSA_KEYLEN ((RSA_KEYBITS) >> 3)
29#define RSA_OVERHEAD (41 + 1) // well, no define for OAEP 35#define RSA_OVERHEAD (41 + 1) // well, no define for OAEP in openssl
30 36
37#define RSA_HASH EVP_ripemd160 ()// speed don't matter, boy, safety does.. I need sha256 :(
38#define RSA_HASHLEN (160 >> 3)
39#define RSA_RESLEN RSA_HASHLEN
40
41#define RSA_IDLEN 16 // how many bytes are used to identify the challenge
31#define CHALLENGE_TTL 30 // challenge bytes timeout after 30 seconds 42#define RSA_TTL 20 // challenge bytes timeout after n seconds
32 43
33#define CIPHER ENABLE_CIPHER () 44#define CIPHER ENABLE_CIPHER ()
34#define CIPHER_KEYLEN (EVP_CIPHER_key_length (CIPHER)) 45#define CIPHER_KEYLEN (EVP_CIPHER_key_length (CIPHER))
35#define DIGEST ENABLE_DIGEST () 46#define DIGEST ENABLE_DIGEST ()
36#define HMAC_KEYLEN (256 >> 3) // number of bits used for the HMAC key (also change CHG_HMAC_KEY) 47#define HMAC_KEYLEN (256 >> 3) // number of bits used for the HMAC key (also change CHG_HMAC_KEY)
37 48
38#define MAX_SEQNO 0xfffff000U 49#define MAX_SEQNO 0xfffffff0U
39 50
40#define CHG_SEQNO 0 // where the seqno starts within the rsa challenge 51#define CHG_SEQNO 0 // where the seqno starts within the rsa challenge
41#define CHG_CIPHER_KEY 4 // where the key starts within the rsa challenge 52#define CHG_CIPHER_KEY 4 // where the key starts within the rsa challenge
42#define CHG_HMAC_KEY 86 // where the key starts within the rsa challenge (256 bits at the end!) 53#define CHG_HMAC_KEY 86 // where the key starts within the rsa challenge (256 bits at the end!)
43 54
44// hdr seq len hmac MAC MAC 55// hdr seq len hmac MAC MAC
45#define VPE_OVERHEAD (4 + 4 + 4 + RAND_SIZE + HMACLENGTH - 6 - 6) 56#define VPE_OVERHEAD (4 + 4 + 4 + RAND_SIZE + HMACLENGTH - 6 - 6)
46#define UDP_OVERHEAD 40 // size of a (normal) ip + udp header 57#define IP_OVERHEAD 20 // size of a (normal) ip header
58#define GRE_OVERHEAD (IP_OVERHEAD + 4)
59#define ICMP_OVERHEAD (IP_OVERHEAD + 4)
60#define UDP_OVERHEAD (IP_OVERHEAD + 20) // size of a (normal) ip + udp header
61#define TCP_OVERHEAD (IP_OVERHEAD + 22) // size of a (normal) ip + tcp header + pakcetlength
62#define MAX_OVERHEAD UDP_OVERHEAD // the max. overhead of any protocol (ok, tcp doesn't count)
47#define ETH_OVERHEAD 14 // the size of an ethernet header 63#define ETH_OVERHEAD 14 // the size of an ethernet header
48#define MAXSIZE (MAX_MTU + VPE_OVERHEAD)// slightly too large, but who cares 64#define MAXSIZE (MAX_MTU + VPE_OVERHEAD)// slightly too large, but who cares
49 65
50#define TIMER_GRANULARITY 5 // check for events at least every 5 seconds
51
52#define PKTCACHESIZE 4 // the size of the memory pool for packets 66#define PKTCACHESIZE 5 // the size of the memory pool for packets
53 67
54#define QUEUEDEPTH 16 // the number of packets that will be queued (should be low) 68#define QUEUEDEPTH 16 // the number of packets that will be queued (should be low)
55 69
56#define WINDOWSIZE 1024 // sliding window size 70#define WINDOWSIZE 512 // sliding window size
57 71
58extern char *confbase; // directory in which all config files are 72extern char *confbase; // directory in which all config files are
59extern char *thisnode; // config for current node (TODO: remove) 73extern char *thisnode; // config for current node (TODO: remove)
60extern char *pidfilename; // pid file location 74extern char *pidfilename; // pid file location
61 75
62extern time_t now; // globale now variable
63
64#endif 76#endif
65 77

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines