/*
- *
+ *
* cipher.h
- *
+ *
* Author: Tatu Ylonen <ylo@cs.hut.fi>
- *
+ *
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
- *
+ *
* Created: Wed Apr 19 16:50:42 1995 ylo
- *
+ *
*/
-/* RCSID("$Id$"); */
+/* RCSID("$OpenBSD: cipher.h,v 1.18 2000/06/20 01:39:40 markus Exp $"); */
#ifndef CIPHER_H
#define CIPHER_H
-#include "config.h"
-
-#ifdef HAVE_OPENSSL
#include <openssl/des.h>
#include <openssl/blowfish.h>
#include <openssl/rc4.h>
#include <openssl/cast.h>
-#endif
-#ifdef HAVE_SSL
-#include <ssl/des.h>
-#include <ssl/blowfish.h>
-#include <ssl/rc4.h>
-#include <ssl/cast.h>
-#endif
/* Cipher types. New types can be added, but old types should not be removed
for compatibility. The maximum allowed value is 31. */
+#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 */
*/
int cipher_number(const char *name);
+/* returns 1 if all ciphers are supported (ssh2 only) */
+int ciphers_valid(const char *names);
+
/*
* Selects the cipher to use and sets the key. If for_encryption is true,
* the key is setup for encryption; otherwise it is setup for decryption.
*/
-void
+void
cipher_set_key(CipherContext * context, int cipher,
const unsigned char *key, int keylen);
-void
+void
cipher_set_key_iv(CipherContext * context, int cipher,
- const unsigned char *key, int keylen,
+ const unsigned char *key, int keylen,
const unsigned char *iv, int ivlen);
/*
* Sets key for the cipher by computing the MD5 checksum of the passphrase,
* and using the resulting 16 bytes as the key.
*/
-void
+void
cipher_set_key_string(CipherContext * context, int cipher,
const char *passphrase);
/* Encrypts data using the cipher. */
-void
+void
cipher_encrypt(CipherContext * context, unsigned char *dest,
const unsigned char *src, unsigned int len);
/* Decrypts data using the cipher. */
-void
+void
cipher_decrypt(CipherContext * context, unsigned char *dest,
const unsigned char *src, unsigned int len);