X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/1853d1ef0d12e0942aca46cf9e6af2c69804d0a7..103ff3950fe7618d2a9815810a7be6a8019bac35:/kex.h

diff --git a/kex.h b/kex.h
index 2d3523a3..bbd931e0 100644
--- a/kex.h
+++ b/kex.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kex.h,v 1.30 2002/03/18 17:50:31 provos Exp $	*/
+/*	$OpenBSD: kex.h,v 1.38 2005/11/04 05:15:59 djm Exp $	*/
 
 /*
  * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
@@ -31,8 +31,13 @@
 #include "cipher.h"
 #include "key.h"
 
-#define	KEX_DH1		"diffie-hellman-group1-sha1"
-#define	KEX_DHGEX	"diffie-hellman-group-exchange-sha1"
+#define	KEX_DH1			"diffie-hellman-group1-sha1"
+#define	KEX_DH14		"diffie-hellman-group14-sha1"
+#define	KEX_DHGEX_SHA1		"diffie-hellman-group-exchange-sha1"
+
+#define COMP_NONE	0
+#define COMP_ZLIB	1
+#define COMP_DELAYED	2
 
 enum kex_init_proposals {
 	PROPOSAL_KEX_ALGS,
@@ -55,8 +60,10 @@ enum kex_modes {
 };
 
 enum kex_exchange {
-	DH_GRP1_SHA1,
-	DH_GEX_SHA1
+	KEX_DH_GRP1_SHA1,
+	KEX_DH_GRP14_SHA1,
+	KEX_DH_GEX_SHA1,
+	KEX_MAX
 };
 
 #define KEX_INIT_SENT	0x0001
@@ -79,10 +86,10 @@ struct Enc {
 struct Mac {
 	char	*name;
 	int	enabled;
-	EVP_MD	*md;
-	int	mac_len;
+	const EVP_MD	*md;
+	u_int	mac_len;
 	u_char	*key;
-	int	key_len;
+	u_int	key_len;
 };
 struct Comp {
 	int	type;
@@ -96,9 +103,9 @@ struct Newkeys {
 };
 struct Kex {
 	u_char	*session_id;
-	int	session_id_len;
+	u_int	session_id_len;
 	Newkeys	*newkeys[MODE_MAX];
-	int	we_need;
+	u_int	we_need;
 	int	server;
 	char	*name;
 	int	hostkey_type;
@@ -107,11 +114,13 @@ struct Kex {
 	Buffer	peer;
 	int	done;
 	int	flags;
+	const EVP_MD *evp_md;
 	char	*client_version_string;
 	char	*server_version_string;
 	int	(*verify_host_key)(Key *);
 	Key	*(*load_host_key)(int);
 	int	(*host_key_index)(Key *);
+	void	(*kex[KEX_MAX])(Kex *);
 };
 
 Kex	*kex_setup(char *[PROPOSAL_MAX]);
@@ -119,13 +128,26 @@ void	 kex_finish(Kex *);
 
 void	 kex_send_kexinit(Kex *);
 void	 kex_input_kexinit(int, u_int32_t, void *);
-void	 kex_derive_keys(Kex *, u_char *, BIGNUM *);
-
-void	 kexdh(Kex *);
-void	 kexgex(Kex *);
+void	 kex_derive_keys(Kex *, u_char *, u_int, BIGNUM *);
 
 Newkeys *kex_get_newkeys(int);
 
+void	 kexdh_client(Kex *);
+void	 kexdh_server(Kex *);
+void	 kexgex_client(Kex *);
+void	 kexgex_server(Kex *);
+
+void
+kex_dh_hash(char *, char *, char *, int, char *, int, u_char *, int,
+    BIGNUM *, BIGNUM *, BIGNUM *, u_char **, u_int *);
+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 *);
+
+void
+derive_ssh1_session_id(BIGNUM *, BIGNUM *, u_int8_t[8], u_int8_t[16]);
+
 #if defined(DEBUG_KEX) || defined(DEBUG_KEXDH)
 void	dump_digest(char *, u_char *, int);
 #endif