=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/kex.h,v retrieving revision 1.7 retrieving revision 1.7.2.6 diff -u -r1.7 -r1.7.2.6 --- src/usr.bin/ssh/kex.h 2000/10/12 14:21:12 1.7 +++ src/usr.bin/ssh/kex.h 2002/03/08 17:04:42 1.7.2.6 @@ -1,5 +1,7 @@ +/* $OpenBSD: kex.h,v 1.7.2.6 2002/03/08 17:04:42 brad Exp $ */ + /* - * Copyright (c) 2000 Markus Friedl. All rights reserved. + * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -24,9 +26,13 @@ #ifndef KEX_H #define KEX_H +#include +#include "buffer.h" +#include "cipher.h" +#include "key.h" + #define KEX_DH1 "diffie-hellman-group1-sha1" #define KEX_DHGEX "diffie-hellman-group-exchange-sha1" -#define KEX_DSS "ssh-dss" enum kex_init_proposals { PROPOSAL_KEX_ALGS, @@ -52,78 +58,75 @@ DH_GRP1_SHA1, DH_GEX_SHA1 }; - + +#define KEX_INIT_SENT 0x0001 + typedef struct Kex Kex; typedef struct Mac Mac; typedef struct Comp Comp; typedef struct Enc Enc; +typedef struct Newkeys Newkeys; struct Enc { - char *name; - Cipher *cipher; - int enabled; - unsigned char *key; - unsigned char *iv; + char *name; + Cipher *cipher; + int enabled; + u_int key_len; + u_int block_size; + u_char *key; + u_char *iv; }; struct Mac { - char *name; - int enabled; - EVP_MD *md; - int mac_len; - unsigned char *key; - int key_len; + char *name; + int enabled; + EVP_MD *md; + int mac_len; + u_char *key; + int key_len; }; struct Comp { - int type; - int enabled; - char *name; + int type; + int enabled; + char *name; }; +struct Newkeys { + Enc enc; + Mac mac; + Comp comp; +}; struct Kex { - Enc enc [MODE_MAX]; - Mac mac [MODE_MAX]; - Comp comp[MODE_MAX]; - int we_need; - int server; - char *name; - char *hostkeyalg; - int kex_type; + u_char *session_id; + int session_id_len; + Newkeys *newkeys[MODE_MAX]; + int we_need; + int server; + char *name; + int hostkey_type; + int kex_type; + Buffer my; + Buffer peer; + int done; + int flags; + char *client_version_string; + char *server_version_string; + int (*verify_host_key)(Key *); + Key *(*load_host_key)(int); }; -Buffer *kex_init(char *myproposal[PROPOSAL_MAX]); -void -kex_exchange_kexinit( - Buffer *my_kexinit, Buffer *peer_kexint, - char *peer_proposal[PROPOSAL_MAX]); -Kex * -kex_choose_conf(char *cprop[PROPOSAL_MAX], - char *sprop[PROPOSAL_MAX], int server); -int kex_derive_keys(Kex *k, unsigned char *hash, BIGNUM *shared_secret); -void packet_set_kex(Kex *k); -int dh_pub_is_valid(DH *dh, BIGNUM *dh_pub); -DH *dh_new_group_asc(const char *, const char *); -DH *dh_new_group(BIGNUM *, BIGNUM *); -DH *dh_new_group1(); +Kex *kex_setup(char *[PROPOSAL_MAX]); +void kex_finish(Kex *); -unsigned char * -kex_hash( - char *client_version_string, - char *server_version_string, - char *ckexinit, int ckexinitlen, - char *skexinit, int skexinitlen, - char *serverhostkeyblob, int sbloblen, - BIGNUM *client_dh_pub, - BIGNUM *server_dh_pub, - BIGNUM *shared_secret); +void kex_send_kexinit(Kex *); +void kex_input_kexinit(int, u_int32_t, void *); +void kex_derive_keys(Kex *, u_char *, BIGNUM *); -unsigned char * -kex_hash_gex( - char *client_version_string, - char *server_version_string, - char *ckexinit, int ckexinitlen, - char *skexinit, int skexinitlen, - char *serverhostkeyblob, int sbloblen, - int minbits, BIGNUM *prime, BIGNUM *gen, - BIGNUM *client_dh_pub, - BIGNUM *server_dh_pub, - BIGNUM *shared_secret); +void kexdh(Kex *); +void kexgex(Kex *); + +Newkeys *kex_get_newkeys(int); + +#if defined(DEBUG_KEX) || defined(DEBUG_KEXDH) +void dump_digest(char *, u_char *, int); +#endif + #endif