X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=ssh.h;h=2685090b77f525058a514934b9858ea237b417d5;hb=ac61490a5b9f40a3655d363d5a1014112aae7222;hp=687ce6ab72208499c456bbf27898087e24656f56;hpb=98028c746f08d0e7bf5d8524d6aca85e5a2f4145;p=PuTTY.git diff --git a/ssh.h b/ssh.h index 687ce6ab..2685090b 100644 --- a/ssh.h +++ b/ssh.h @@ -177,11 +177,13 @@ struct ssh_kex { /* * Plugging in another KEX algorithm requires structural chaos, * so it's hard to abstract them into nice little structures - * like this. Hence, for the moment, this is just a - * placeholder. I claim justification in the fact that OpenSSH - * does this too :-) + * like this. Fortunately, all our KEXes are basically + * Diffie-Hellman at the moment, so in this structure I simply + * parametrise the DH exchange a bit. */ - char *name; + char *name, *groupname; + const unsigned char *pdata, *gdata;/* NULL means use group exchange */ + int plen, glen; }; struct ssh_signkey { @@ -231,7 +233,8 @@ extern const struct ssh2_ciphers ssh2_3des; extern const struct ssh2_ciphers ssh2_des; extern const struct ssh2_ciphers ssh2_aes; extern const struct ssh2_ciphers ssh2_blowfish; -extern const struct ssh_kex ssh_diffiehellman; +extern const struct ssh_kex ssh_diffiehellman_group1; +extern const struct ssh_kex ssh_diffiehellman_group14; extern const struct ssh_kex ssh_diffiehellman_gex; extern const struct ssh_signkey ssh_dss; extern const struct ssh_signkey ssh_rsa; @@ -336,8 +339,8 @@ char *bignum_decimal(Bignum x); void diagbn(char *prefix, Bignum md); #endif -void *dh_setup_group1(void); -void *dh_setup_group(Bignum pval, Bignum gval); +void *dh_setup_group(const struct ssh_kex *kex); +void *dh_setup_gex(Bignum pval, Bignum gval); void dh_cleanup(void *); Bignum dh_create_e(void *, int nbits); Bignum dh_find_K(void *, Bignum f);