Mercurial > dropbear
diff kex.h @ 1702:8f93f37c01de
Allow DH to be completely disabled (#97)
Reduces binary size by ~2kB by default and by 21kB with no other
libtommath functions users, ex. with curve25519 kex and ed25519
key only.
| author | Vladislav Grishenko <themiron@users.noreply.github.com> |
|---|---|
| date | Thu, 28 May 2020 20:01:48 +0500 |
| parents | 435cfb9ec96e |
| children |
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--- a/kex.h Thu May 28 23:01:15 2020 +0800 +++ b/kex.h Thu May 28 20:01:48 2020 +0500 @@ -36,10 +36,12 @@ void kexfirstinitialise(void); void finish_kexhashbuf(void); +#if DROPBEAR_NORMAL_DH struct kex_dh_param *gen_kexdh_param(void); void free_kexdh_param(struct kex_dh_param *param); void kexdh_comb_key(struct kex_dh_param *param, mp_int *dh_pub_them, sign_key *hostkey); +#endif #if DROPBEAR_ECDH struct kex_ecdh_param *gen_kexecdh_param(void); @@ -87,10 +89,12 @@ }; +#if DROPBEAR_NORMAL_DH struct kex_dh_param { mp_int pub; /* e */ mp_int priv; /* x */ }; +#endif #if DROPBEAR_ECDH struct kex_ecdh_param { @@ -104,9 +108,6 @@ unsigned char priv[CURVE25519_LEN]; unsigned char pub[CURVE25519_LEN]; }; - -/* No header file for curve25519_donna */ -int curve25519_donna(unsigned char *out, const unsigned char *secret, const unsigned char *other); #endif #endif /* DROPBEAR_KEX_H_ */