diff options
Diffstat (limited to 'kex.h')
| -rw-r--r-- | kex.h | 25 |
1 files changed, 23 insertions, 2 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: kex.h,v 1.49 2010/02/26 20:29:54 djm Exp $ */ +/* $OpenBSD: kex.h,v 1.52 2010/09/22 05:01:29 djm Exp $ */ /* * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. @@ -29,6 +29,9 @@ #include <signal.h> #include <openssl/evp.h> #include <openssl/hmac.h> +#ifdef OPENSSL_HAS_ECC +#include <openssl/ec.h> +#endif #define KEX_COOKIE_LEN 16 @@ -37,6 +40,8 @@ #define KEX_DHGEX_SHA1 "diffie-hellman-group-exchange-sha1" #define KEX_DHGEX_SHA256 "diffie-hellman-group-exchange-sha256" #define KEX_RESUME "resume@appgate.com" +/* The following represents the family of ECDH methods */ +#define KEX_ECDH_SHA2_STEM "ecdh-sha2-" #define COMP_NONE 0 #define COMP_ZLIB 1 @@ -67,6 +72,7 @@ enum kex_exchange { KEX_DH_GRP14_SHA1, KEX_DH_GEX_SHA1, KEX_DH_GEX_SHA256, + KEX_ECDH_SHA2, KEX_MAX }; @@ -132,6 +138,8 @@ struct Kex { void (*kex[KEX_MAX])(Kex *); }; +int kex_names_valid(const char *); + Kex *kex_setup(char *[PROPOSAL_MAX]); void kex_finish(Kex *); @@ -145,6 +153,8 @@ void kexdh_client(Kex *); void kexdh_server(Kex *); void kexgex_client(Kex *); void kexgex_server(Kex *); +void kexecdh_client(Kex *); +void kexecdh_server(Kex *); void kex_dh_hash(char *, char *, char *, int, char *, int, u_char *, int, @@ -153,11 +163,22 @@ void kexgex_hash(const EVP_MD *, char *, char *, char *, int, char *, int, u_char *, int, int, int, int, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, u_char **, u_int *); +#ifdef OPENSSL_HAS_ECC +void +kex_ecdh_hash(const EVP_MD *, const EC_GROUP *, char *, char *, char *, int, + char *, int, u_char *, int, const EC_POINT *, const EC_POINT *, + const BIGNUM *, u_char **, u_int *); +int kex_ecdh_name_to_nid(const char *); +const EVP_MD *kex_ecdh_name_to_evpmd(const char *); +#else +# define kex_ecdh_name_to_nid(x) (-1) +# define kex_ecdh_name_to_evpmd(x) (NULL) +#endif void derive_ssh1_session_id(BIGNUM *, BIGNUM *, u_int8_t[8], u_int8_t[16]); -#if defined(DEBUG_KEX) || defined(DEBUG_KEXDH) +#if defined(DEBUG_KEX) || defined(DEBUG_KEXDH) || defined(DEBUG_KEXECDH) void dump_digest(char *, u_char *, int); #endif |