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/* $OpenBSD: cipher.h,v 1.34 2003/11/10 16:23:41 jakob Exp $ */ |
/* $OpenBSD: cipher.h,v 1.34 2003/11/10 16:23:41 jakob Exp $ */ |
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/* |
/* |
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* Author: Tatu Ylonen <ylo@cs.hut.fi> |
* Author: Tatu Ylonen <ylo@cs.hut.fi> |
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
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* All rights reserved |
* All rights reserved |
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* |
* |
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* As far as I am concerned, the code I have written for this software |
* As far as I am concerned, the code I have written for this software |
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* can be used freely for any purpose. Any derived versions of this |
* can be used freely for any purpose. Any derived versions of this |
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* software must be clearly marked as such, and if the derived work is |
* software must be clearly marked as such, and if the derived work is |
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* incompatible with the protocol description in the RFC file, it must be |
* incompatible with the protocol description in the RFC file, it must be |
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* called by a name other than "ssh" or "Secure Shell". |
* called by a name other than "ssh" or "Secure Shell". |
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* |
* |
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* Copyright (c) 2000 Markus Friedl. All rights reserved. |
* Copyright (c) 2000 Markus Friedl. All rights reserved. |
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* |
* |
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* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
* modification, are permitted provided that the following conditions |
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* are met: |
* are met: |
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* 1. Redistributions of source code must retain the above copyright |
* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
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* |
* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
*/ |
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#ifndef CIPHER_H |
#ifndef CIPHER_H |
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#define CIPHER_H |
#define CIPHER_H |
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#include <openssl/evp.h> |
#include <openssl/evp.h> |
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/* |
/* |
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* Cipher types for SSH-1. New types can be added, but old types should not |
* Cipher types for SSH-1. New types can be added, but old types should not |
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* be removed for compatibility. The maximum allowed value is 31. |
* be removed for compatibility. The maximum allowed value is 31. |
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*/ |
*/ |
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#define SSH_CIPHER_SSH2 -3 |
#define SSH_CIPHER_SSH2 -3 |
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#define SSH_CIPHER_ILLEGAL -2 /* No valid cipher selected. */ |
#define SSH_CIPHER_ILLEGAL -2 /* No valid cipher selected. */ |
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#define SSH_CIPHER_NOT_SET -1 /* None selected (invalid number). */ |
#define SSH_CIPHER_NOT_SET -1 /* None selected (invalid number). */ |
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#define SSH_CIPHER_NONE 0 /* no encryption */ |
#define SSH_CIPHER_NONE 0 /* no encryption */ |
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#define SSH_CIPHER_IDEA 1 /* IDEA CFB */ |
#define SSH_CIPHER_IDEA 1 /* IDEA CFB */ |
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#define SSH_CIPHER_DES 2 /* DES CBC */ |
#define SSH_CIPHER_DES 2 /* DES CBC */ |
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#define SSH_CIPHER_3DES 3 /* 3DES CBC */ |
#define SSH_CIPHER_3DES 3 /* 3DES CBC */ |
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#define SSH_CIPHER_BROKEN_TSS 4 /* TRI's Simple Stream encryption CBC */ |
#define SSH_CIPHER_BROKEN_TSS 4 /* TRI's Simple Stream encryption CBC */ |
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#define SSH_CIPHER_BROKEN_RC4 5 /* Alleged RC4 */ |
#define SSH_CIPHER_BROKEN_RC4 5 /* Alleged RC4 */ |
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#define SSH_CIPHER_BLOWFISH 6 |
#define SSH_CIPHER_BLOWFISH 6 |
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#define SSH_CIPHER_RESERVED 7 |
#define SSH_CIPHER_RESERVED 7 |
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#ifndef SSH_CIPHER_MAX |
#ifndef SSH_CIPHER_MAX |
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#define SSH_CIPHER_MAX 31 |
#define SSH_CIPHER_MAX 31 |
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#endif |
#endif |
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#define CIPHER_ENCRYPT 1 |
#define CIPHER_ENCRYPT 1 |
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#define CIPHER_DECRYPT 0 |
#define CIPHER_DECRYPT 0 |
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typedef struct Cipher Cipher; |
typedef struct Cipher Cipher; |
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typedef struct CipherContext CipherContext; |
typedef struct CipherContext CipherContext; |
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struct Cipher; |
struct Cipher; |
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struct CipherContext { |
struct CipherContext { |
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int plaintext; |
int plaintext; |
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EVP_CIPHER_CTX evp; |
EVP_CIPHER_CTX evp; |
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Cipher *cipher; |
Cipher *cipher; |
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}; |
}; |
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u_int cipher_mask_ssh1(int); |
u_int cipher_mask_ssh1(int); |
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Cipher *cipher_by_name(const char *); |
Cipher *cipher_by_name(const char *); |
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Cipher *cipher_by_number(int); |
Cipher *cipher_by_number(int); |
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int cipher_number(const char *); |
int cipher_number(const char *); |
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char *cipher_name(int); |
char *cipher_name(int); |
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int ciphers_valid(const char *); |
int ciphers_valid(const char *); |
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void cipher_init(CipherContext *, Cipher *, const u_char *, u_int, |
void cipher_init(CipherContext *, Cipher *, const u_char *, u_int, |
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const u_char *, u_int, int); |
const u_char *, u_int, int); |
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void cipher_crypt(CipherContext *, u_char *, const u_char *, u_int); |
void cipher_crypt(CipherContext *, u_char *, const u_char *, u_int); |
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void cipher_cleanup(CipherContext *); |
void cipher_cleanup(CipherContext *); |
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void cipher_set_key_string(CipherContext *, Cipher *, const char *, int); |
void cipher_set_key_string(CipherContext *, Cipher *, const char *, int); |
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u_int cipher_blocksize(const Cipher *); |
u_int cipher_blocksize(const Cipher *); |
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u_int cipher_keylen(const Cipher *); |
u_int cipher_keylen(const Cipher *); |
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u_int cipher_get_number(const Cipher *); |
u_int cipher_get_number(const Cipher *); |
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void cipher_get_keyiv(CipherContext *, u_char *, u_int); |
void cipher_get_keyiv(CipherContext *, u_char *, u_int); |
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void cipher_set_keyiv(CipherContext *, u_char *); |
void cipher_set_keyiv(CipherContext *, u_char *); |
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int cipher_get_keyiv_len(const CipherContext *); |
int cipher_get_keyiv_len(const CipherContext *); |
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int cipher_get_keycontext(const CipherContext *, u_char *); |
int cipher_get_keycontext(const CipherContext *, u_char *); |
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void cipher_set_keycontext(CipherContext *, u_char *); |
void cipher_set_keycontext(CipherContext *, u_char *); |
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void cipher_init_SSH2( |
void cipher_init_SSH2( |
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EVP_CIPHER_CTX *evp, |
EVP_CIPHER_CTX *evp, |
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const u_char *key, u_int keylen, |
const u_char *key, u_int keylen, |
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const u_char *iv, u_int ivlen, |
const u_char *iv, u_int ivlen, |
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int encrypt, |
int encrypt, |
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const EVP_CIPHER *type, |
const EVP_CIPHER *type, |
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int discard_len, |
int discard_len, |
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PTInstVar pvar |
PTInstVar pvar |
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); |
); |
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#endif /* CIPHER_H */ |
#endif /* CIPHER_H */ |
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