packetstorm sync

1 files changed, 117 insertions, 0 deletions

diff --git a/other/ssharp/cipher.h b/other/ssharp/cipher.h
new file mode 100644
index 0000000..6d929aa
--- /dev/null
+++ b/other/ssharp/cipher.h
@@ -0,0 +1,117 @@
+/*
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ *                    All rights reserved
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose.  Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ *
+ * Copyright (c) 2000 Markus Friedl.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* RCSID("$OpenBSD: cipher.h,v 1.25 2000/12/19 23:17:56 markus Exp $"); */
+
+#ifndef CIPHER_H
+#define CIPHER_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.
+ */
+#define SSH_CIPHER_SSH2         -3
+#define SSH_CIPHER_ILLEGAL      -2      /* No valid cipher selected. */
+#define SSH_CIPHER_NOT_SET      -1      /* None selected (invalid number). */
+#define SSH_CIPHER_NONE         0       /* no encryption */
+#define SSH_CIPHER_IDEA         1       /* IDEA CFB */
+#define SSH_CIPHER_DES          2       /* DES CBC */
+#define SSH_CIPHER_3DES         3       /* 3DES CBC */
+#define SSH_CIPHER_BROKEN_TSS   4       /* TRI's Simple Stream encryption CBC */
+#define SSH_CIPHER_BROKEN_RC4   5       /* Alleged RC4 */
+#define SSH_CIPHER_BLOWFISH     6
+#define SSH_CIPHER_RESERVED     7
+#define SSH_CIPHER_MAX          31
+
+typedef struct Cipher Cipher;
+typedef struct CipherContext CipherContext;
+
+struct CipherContext {
+        union {
+                struct {
+                        des_key_schedule key;
+                        des_cblock iv;
+                }       des;
+                struct {
+                        des_key_schedule key1;
+                        des_key_schedule key2;
+                        des_cblock iv2;
+                        des_key_schedule key3;
+                        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 {
+                        u4byte iv[4];
+                        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 client);
+Cipher *cipher_by_name(const char *name);
+Cipher *cipher_by_number(int id);
+int cipher_number(const char *name);
+char *cipher_name(int id);
+int ciphers_valid(const char *names);
+void cipher_init(CipherContext *, Cipher *, const u_char *, u_int, const u_char *, u_int);
+void cipher_encrypt(CipherContext *context, u_char *dest, const u_char *src, u_int len);
+void cipher_decrypt(CipherContext *context, u_char *dest, const u_char *src, u_int len);
+void cipher_set_key_string(CipherContext *context, Cipher *cipher, const char *passphrase);
+
+#endif                          /* CIPHER_H */