1/*
2 * This file is part of the SSH Library
3 *
4 * Copyright (c) 2009 by Aris Adamantiadis
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef WRAPPER_H_
22#define WRAPPER_H_
23
24#include "config.h"
25#include "libssh/libssh.h"
26#include "libssh/libcrypto.h"
27#include "libssh/libgcrypt.h"
28
29enum ssh_mac_e {
30 SSH_MAC_SHA1=1,
31 SSH_MAC_SHA256,
32 SSH_MAC_SHA384,
33 SSH_MAC_SHA512
34};
35
36enum ssh_hmac_e {
37 SSH_HMAC_SHA1 = 1,
38 SSH_HMAC_SHA256,
39 SSH_HMAC_SHA384,
40 SSH_HMAC_SHA512,
41 SSH_HMAC_MD5
42};
43
44enum ssh_des_e {
45 SSH_3DES,
46 SSH_DES
47};
48
49struct ssh_hmac_struct {
50 const char* name;
51 enum ssh_hmac_e hmac_type;
52};
53
54typedef struct ssh_mac_ctx_struct *ssh_mac_ctx;
55MD5CTX md5_init(void);
56void md5_update(MD5CTX c, const void *data, unsigned long len);
57void md5_final(unsigned char *md,MD5CTX c);
58
59SHACTX sha1_init(void);
60void sha1_update(SHACTX c, const void *data, unsigned long len);
61void sha1_final(unsigned char *md,SHACTX c);
62void sha1(unsigned char *digest,int len,unsigned char *hash);
63
64SHA256CTX sha256_init(void);
65void sha256_update(SHA256CTX c, const void *data, unsigned long len);
66void sha256_final(unsigned char *md,SHA256CTX c);
67void sha256(unsigned char *digest, int len, unsigned char *hash);
68
69SHA384CTX sha384_init(void);
70void sha384_update(SHA384CTX c, const void *data, unsigned long len);
71void sha384_final(unsigned char *md,SHA384CTX c);
72void sha384(unsigned char *digest, int len, unsigned char *hash);
73
74SHA512CTX sha512_init(void);
75void sha512_update(SHA512CTX c, const void *data, unsigned long len);
76void sha512_final(unsigned char *md,SHA512CTX c);
77void sha512(unsigned char *digest, int len, unsigned char *hash);
78
79void evp(int nid, unsigned char *digest, int len, unsigned char *hash, unsigned int *hlen);
80EVPCTX evp_init(int nid);
81void evp_update(EVPCTX ctx, const void *data, unsigned long len);
82void evp_final(EVPCTX ctx, unsigned char *md, unsigned int *mdlen);
83
84ssh_mac_ctx ssh_mac_ctx_init(enum ssh_mac_e type);
85void ssh_mac_update(ssh_mac_ctx ctx, const void *data, unsigned long len);
86void ssh_mac_final(unsigned char *md, ssh_mac_ctx ctx);
87
88HMACCTX hmac_init(const void *key,int len, enum ssh_hmac_e type);
89void hmac_update(HMACCTX c, const void *data, unsigned long len);
90void hmac_final(HMACCTX ctx,unsigned char *hashmacbuf,unsigned int *len);
91size_t hmac_digest_len(enum ssh_hmac_e type);
92
93int crypt_set_algorithms(ssh_session session, enum ssh_des_e des_type);
94int crypt_set_algorithms_server(ssh_session session);
95struct ssh_crypto_struct *crypto_new(void);
96void crypto_free(struct ssh_crypto_struct *crypto);
97
98void ssh_reseed(void);
99
100void ssh_cipher_clear(struct ssh_cipher_struct *cipher);
101struct ssh_hmac_struct *ssh_get_hmactab(void);
102const char *ssh_hmac_type_to_string(enum ssh_hmac_e hmac_type);
103
104#endif /* WRAPPER_H_ */
105