X-Git-Url: http://andersk.mit.edu/gitweb/gssapi-openssh.git/blobdiff_plain/cdd66111973295c976f1a0bb57f571eba0513757..HEAD:/openssh/cipher.h

diff --git a/openssh/cipher.h b/openssh/cipher.h
index 74b3669..4533f5e 100644
--- a/openssh/cipher.h
+++ b/openssh/cipher.h
@@ -1,5 +1,3 @@
-/*	$OpenBSD: cipher.h,v 1.34 2003/11/10 16:23:41 jakob Exp $	*/
-
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -34,10 +32,16 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+/* RCSID("$OpenBSD: cipher.h,v 1.29 2001/08/23 11:31:59 markus Exp $"); */
+
 #ifndef CIPHER_H
 #define CIPHER_H
 
-#include <openssl/evp.h>
+#include <openssl/des.h>
+#include <openssl/blowfish.h>
+#include <openssl/rc4.h>
+#include <openssl/cast.h>
+#include "rijndael.h"
 /*
  * Cipher types for SSH-1.  New types can be added, but old types should not
  * be removed for compatibility.  The maximum allowed value is 31.
@@ -55,18 +59,50 @@
 #define SSH_CIPHER_RESERVED	7
 #define SSH_CIPHER_MAX		31
 
-#define CIPHER_ENCRYPT		1
-#define CIPHER_DECRYPT		0
-
 typedef struct Cipher Cipher;
 typedef struct CipherContext CipherContext;
 
-struct Cipher;
 struct CipherContext {
-	int	plaintext;
-	EVP_CIPHER_CTX evp;
+	union {
+		struct {
+			des_key_schedule key;
+			des_cblock iv;
+		}	des;
+		struct {
+			des_key_schedule key1;
+			des_key_schedule key2;
+			des_key_schedule key3;
+			des_cblock iv1;
+			des_cblock iv2;
+			des_cblock iv3;
+		}       des3;
+		struct {
+			struct bf_key_st key;
+			u_char iv[8];
+		}       bf;
+		struct {
+			CAST_KEY key;
+			u_char iv[8];
+		} cast;
+		struct {
+			u_char iv[16];
+			rijndael_ctx enc;
+			rijndael_ctx dec;
+		} rijndael;
+		RC4_KEY rc4;
+	}       u;
 	Cipher *cipher;
 };
+struct Cipher {
+	char	*name;
+	int	number;		/* for ssh1 only */
+	u_int	block_size;
+	u_int	key_len;
+	void	(*setkey)(CipherContext *, const u_char *, u_int);
+	void	(*setiv)(CipherContext *, const u_char *, u_int);
+	void	(*encrypt)(CipherContext *, u_char *, const u_char *, u_int);
+	void	(*decrypt)(CipherContext *, u_char *, const u_char *, u_int);
+};
 
 u_int	 cipher_mask_ssh1(int);
 Cipher	*cipher_by_name(const char *);
@@ -75,17 +111,9 @@ int	 cipher_number(const char *);
 char	*cipher_name(int);
 int	 ciphers_valid(const char *);
 void	 cipher_init(CipherContext *, Cipher *, const u_char *, u_int,
-    const u_char *, u_int, int);
-void	 cipher_crypt(CipherContext *, u_char *, const u_char *, u_int);
-void	 cipher_cleanup(CipherContext *);
-void	 cipher_set_key_string(CipherContext *, Cipher *, const char *, int);
-u_int	 cipher_blocksize(const Cipher *);
-u_int	 cipher_keylen(const Cipher *);
+    const u_char *, u_int);
+void	 cipher_encrypt(CipherContext *, u_char *, const u_char *, u_int);
+void	 cipher_decrypt(CipherContext *, u_char *, const u_char *, u_int);
+void	 cipher_set_key_string(CipherContext *, Cipher *, const char *);
 
-u_int	 cipher_get_number(const Cipher *);
-void	 cipher_get_keyiv(CipherContext *, u_char *, u_int);
-void	 cipher_set_keyiv(CipherContext *, u_char *);
-int	 cipher_get_keyiv_len(const CipherContext *);
-int	 cipher_get_keycontext(const CipherContext *, u_char *);
-void	 cipher_set_keycontext(CipherContext *, u_char *);
 #endif				/* CIPHER_H */