1/*
2 * Copyright (c) 2005 - 2008 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34/* $Id$ */
35
36#ifndef HEIM_EVP_H
37#define HEIM_EVP_H 1
38
39#include <hcrypto/engine.h>
40
41/* symbol renaming */
42#define EVP_CIPHER_CTX_block_size hc_EVP_CIPHER_CTX_block_size
43#define EVP_CIPHER_CTX_cipher hc_EVP_CIPHER_CTX_cipher
44#define EVP_CIPHER_CTX_cleanup hc_EVP_CIPHER_CTX_cleanup
45#define EVP_CIPHER_CTX_flags hc_EVP_CIPHER_CTX_flags
46#define EVP_CIPHER_CTX_get_app_data hc_EVP_CIPHER_CTX_get_app_data
47#define EVP_CIPHER_CTX_init hc_EVP_CIPHER_CTX_init
48#define EVP_CIPHER_CTX_iv_length hc_EVP_CIPHER_CTX_iv_length
49#define EVP_CIPHER_CTX_key_length hc_EVP_CIPHER_CTX_key_length
50#define EVP_CIPHER_CTX_mode hc_EVP_CIPHER_CTX_mode
51#define EVP_CIPHER_CTX_set_app_data hc_EVP_CIPHER_CTX_set_app_data
52#define EVP_CIPHER_CTX_set_key_length hc_EVP_CIPHER_CTX_set_key_length
53#define EVP_CIPHER_CTX_set_padding hc_EVP_CIPHER_CTX_set_padding
54#define EVP_CIPHER_block_size hc_EVP_CIPHER_block_size
55#define EVP_CIPHER_iv_length hc_EVP_CIPHER_iv_length
56#define EVP_CIPHER_key_length hc_EVP_CIPHER_key_length
57#define EVP_Cipher hc_EVP_Cipher
58#define EVP_CipherInit_ex hc_EVP_CipherInit_ex
59#define EVP_CipherUpdate hc_EVP_CipherUpdate
60#define EVP_CipherFinal_ex hc_EVP_CipherFinal_ex
61#define EVP_Digest hc_EVP_Digest
62#define EVP_DigestFinal_ex hc_EVP_DigestFinal_ex
63#define EVP_DigestInit_ex hc_EVP_DigestInit_ex
64#define EVP_DigestUpdate hc_EVP_DigestUpdate
65#define EVP_MD_CTX_block_size hc_EVP_MD_CTX_block_size
66#define EVP_MD_CTX_cleanup hc_EVP_MD_CTX_cleanup
67#define EVP_MD_CTX_create hc_EVP_MD_CTX_create
68#define EVP_MD_CTX_init hc_EVP_MD_CTX_init
69#define EVP_MD_CTX_destroy hc_EVP_MD_CTX_destroy
70#define EVP_MD_CTX_md hc_EVP_MD_CTX_md
71#define EVP_MD_CTX_size hc_EVP_MD_CTX_size
72#define EVP_MD_block_size hc_EVP_MD_block_size
73#define EVP_MD_size hc_EVP_MD_size
74#define EVP_aes_128_cbc hc_EVP_aes_128_cbc
75#define EVP_aes_192_cbc hc_EVP_aes_192_cbc
76#define EVP_aes_256_cbc hc_EVP_aes_256_cbc
77#define EVP_aes_128_cfb8 hc_EVP_aes_128_cfb8
78#define EVP_aes_192_cfb8 hc_EVP_aes_192_cfb8
79#define EVP_aes_256_cfb8 hc_EVP_aes_256_cfb8
80
81#define EVP_des_cbc hc_EVP_des_cbc
82#define EVP_des_ede3_cbc hc_EVP_des_ede3_cbc
83#define EVP_enc_null hc_EVP_enc_null
84#define EVP_md2 hc_EVP_md2
85#define EVP_md4 hc_EVP_md4
86#define EVP_md5 hc_EVP_md5
87#define EVP_md_null hc_EVP_md_null
88#define EVP_rc2_40_cbc hc_EVP_rc2_40_cbc
89#define EVP_rc2_64_cbc hc_EVP_rc2_64_cbc
90#define EVP_rc2_cbc hc_EVP_rc2_cbc
91#define EVP_rc4 hc_EVP_rc4
92#define EVP_rc4_40 hc_EVP_rc4_40
93#define EVP_camellia_128_cbc hc_EVP_camellia_128_cbc
94#define EVP_camellia_192_cbc hc_EVP_camellia_192_cbc
95#define EVP_camellia_256_cbc hc_EVP_camellia_256_cbc
96#define EVP_sha hc_EVP_sha
97#define EVP_sha1 hc_EVP_sha1
98#define EVP_sha256 hc_EVP_sha256
99#define EVP_sha384 hc_EVP_sha384
100#define EVP_sha512 hc_EVP_sha512
101#define PKCS5_PBKDF2_HMAC_SHA1 hc_PKCS5_PBKDF2_HMAC_SHA1
102#define EVP_BytesToKey hc_EVP_BytesToKey
103#define EVP_get_cipherbyname hc_EVP_get_cipherbyname
104#define	OpenSSL_add_all_algorithms hc_OpenSSL_add_all_algorithms
105#define	OpenSSL_add_all_algorithms_conf hc_OpenSSL_add_all_algorithms_conf
106#define	OpenSSL_add_all_algorithms_noconf hc_OpenSSL_add_all_algorithms_noconf
107#define EVP_CIPHER_CTX_ctrl hc_EVP_CIPHER_CTX_ctrl
108#define EVP_CIPHER_CTX_rand_key hc_EVP_CIPHER_CTX_rand_key
109#define hcrypto_validate hc_hcrypto_validate
110
111/*
112 *
113 */
114
115typedef struct hc_EVP_MD_CTX EVP_MD_CTX;
116typedef struct hc_evp_pkey EVP_PKEY;
117typedef struct hc_evp_md EVP_MD;
118typedef struct hc_CIPHER EVP_CIPHER;
119typedef struct hc_CIPHER_CTX EVP_CIPHER_CTX;
120
121#define EVP_MAX_IV_LENGTH	16
122#define EVP_MAX_BLOCK_LENGTH	32
123
124#define EVP_MAX_MD_SIZE		64
125
126struct hc_CIPHER {
127    int nid;
128    int block_size;
129    int key_len;
130    unsigned int iv_len;
131    unsigned long flags;
132    /* The lowest 3 bits is used as integer field for the mode the
133     * cipher is used in (use EVP_CIPHER.._mode() to extract the
134     * mode). The rest of the flag field is a bitfield.
135     */
136#define EVP_CIPH_STREAM_CIPHER		0
137#define EVP_CIPH_CBC_MODE		2
138#define EVP_CIPH_CFB8_MODE              4
139#define EVP_CIPH_MODE			0x7
140
141#define EVP_CIPH_VARIABLE_LENGTH	0x008 /* variable key length */
142#define EVP_CIPH_ALWAYS_CALL_INIT	0x020
143#define EVP_CIPH_RAND_KEY		0x200
144
145    int (*init)(EVP_CIPHER_CTX*,const unsigned char*,const unsigned char*,int);
146    int (*do_cipher)(EVP_CIPHER_CTX *, unsigned char *,
147		     const unsigned char *, unsigned int);
148    int (*cleanup)(EVP_CIPHER_CTX *);
149    int ctx_size;
150    void *set_asn1_parameters;
151    void *get_asn1_parameters;
152    int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr);
153#define EVP_CTRL_RAND_KEY		0x6
154
155    void *app_data;
156};
157
158struct hc_CIPHER_CTX {
159    const EVP_CIPHER *cipher;
160    ENGINE *engine;
161    int encrypt;
162    int buf_len; /* bytes stored in buf for EVP_CipherUpdate */
163    unsigned char oiv[EVP_MAX_IV_LENGTH];
164    unsigned char iv[EVP_MAX_IV_LENGTH];
165    unsigned char buf[EVP_MAX_BLOCK_LENGTH];
166    int num;
167    void *app_data;
168    int key_len;
169    unsigned long flags;
170    void *cipher_data;
171    int final_used;
172    int block_mask;
173    unsigned char final[EVP_MAX_BLOCK_LENGTH];
174};
175
176typedef int (*hc_evp_md_init)(EVP_MD_CTX *);
177typedef int (*hc_evp_md_update)(EVP_MD_CTX *,const void *, size_t);
178typedef int (*hc_evp_md_final)(void *, EVP_MD_CTX *);
179typedef int (*hc_evp_md_cleanup)(EVP_MD_CTX *);
180
181struct hc_evp_md {
182    int hash_size;
183    int block_size;
184    int ctx_size;
185    hc_evp_md_init init;
186    hc_evp_md_update update;
187    hc_evp_md_final final;
188    hc_evp_md_cleanup cleanup;
189};
190
191#if !defined(__GNUC__) && !defined(__attribute__)
192#define __attribute__(x)
193#endif
194
195#ifndef HC_DEPRECATED
196#if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))
197#define HC_DEPRECATED __attribute__((deprecated))
198#elif defined(_MSC_VER) && (_MSC_VER>1200)
199#define HC_DEPRECATED __declspec(deprecated)
200#else
201#define HC_DEPRECATED
202#endif
203#endif
204
205#ifndef HC_DEPRECATED_CRYPTO
206#define HC_DEPRECATED_CRYPTO HC_DEPRECATED
207#endif
208
209#ifdef __cplusplus
210#define HC_CPP_BEGIN extern "C" {
211#define HC_CPP_END }
212#else
213#define HC_CPP_BEGIN
214#define HC_CPP_END
215#endif
216
217HC_CPP_BEGIN
218
219/*
220 * Avaible crypto algs
221 */
222
223const EVP_MD *EVP_md_null(void);
224HC_DEPRECATED_CRYPTO const EVP_MD *EVP_md2(void);
225HC_DEPRECATED_CRYPTO const EVP_MD *EVP_md4(void);
226HC_DEPRECATED_CRYPTO const EVP_MD *EVP_md5(void);
227const EVP_MD *EVP_sha(void);
228const EVP_MD *EVP_sha1(void);
229const EVP_MD *EVP_sha256(void);
230const EVP_MD *EVP_sha384(void);
231const EVP_MD *EVP_sha512(void);
232
233const EVP_CIPHER * EVP_aes_128_cbc(void);
234const EVP_CIPHER * EVP_aes_192_cbc(void);
235const EVP_CIPHER * EVP_aes_256_cbc(void);
236const EVP_CIPHER * EVP_aes_128_cfb8(void);
237const EVP_CIPHER * EVP_aes_192_cfb8(void);
238const EVP_CIPHER * EVP_aes_256_cfb8(void);
239HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_des_cbc(void);
240const EVP_CIPHER * EVP_des_ede3_cbc(void);
241const EVP_CIPHER * EVP_enc_null(void);
242HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_rc2_40_cbc(void);
243HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_rc2_64_cbc(void);
244HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_rc2_cbc(void);
245const EVP_CIPHER * EVP_rc4(void);
246HC_DEPRECATED_CRYPTO const EVP_CIPHER * EVP_rc4_40(void);
247const EVP_CIPHER * EVP_camellia_128_cbc(void);
248const EVP_CIPHER * EVP_camellia_192_cbc(void);
249const EVP_CIPHER * EVP_camellia_256_cbc(void);
250
251size_t	EVP_MD_size(const EVP_MD *);
252size_t	EVP_MD_block_size(const EVP_MD *);
253
254const EVP_MD *
255	EVP_MD_CTX_md(EVP_MD_CTX *);
256size_t	EVP_MD_CTX_size(EVP_MD_CTX *);
257size_t	EVP_MD_CTX_block_size(EVP_MD_CTX *);
258
259EVP_MD_CTX *
260	EVP_MD_CTX_create(void);
261void	HC_DEPRECATED EVP_MD_CTX_init(EVP_MD_CTX *);
262void	EVP_MD_CTX_destroy(EVP_MD_CTX *);
263int	HC_DEPRECATED EVP_MD_CTX_cleanup(EVP_MD_CTX *);
264
265int	EVP_DigestInit_ex(EVP_MD_CTX *, const EVP_MD *, ENGINE *);
266int	EVP_DigestUpdate(EVP_MD_CTX *,const void *, size_t);
267int	EVP_DigestFinal_ex(EVP_MD_CTX *, void *, unsigned int *);
268int	EVP_Digest(const void *, size_t, void *, unsigned int *,
269		   const EVP_MD *, ENGINE *);
270/*
271 *
272 */
273
274const EVP_CIPHER *
275	EVP_get_cipherbyname(const char *);
276
277size_t	EVP_CIPHER_block_size(const EVP_CIPHER *);
278size_t	EVP_CIPHER_key_length(const EVP_CIPHER *);
279size_t	EVP_CIPHER_iv_length(const EVP_CIPHER *);
280
281void	EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *);
282int	EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *);
283int	EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *, int);
284int	EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *, int);
285unsigned long
286	EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *);
287int	EVP_CIPHER_CTX_mode(const EVP_CIPHER_CTX *);
288
289const EVP_CIPHER *
290	EVP_CIPHER_CTX_cipher(EVP_CIPHER_CTX *);
291size_t	EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *);
292size_t	EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *);
293size_t	EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *);
294void *	EVP_CIPHER_CTX_get_app_data(EVP_CIPHER_CTX *);
295void	EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *, void *);
296
297int	EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *, int, int, void *);
298int	EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *, void *);
299
300
301int	EVP_CipherInit_ex(EVP_CIPHER_CTX *,const EVP_CIPHER *, ENGINE *,
302			  const void *, const void *, int);
303int	EVP_CipherUpdate(EVP_CIPHER_CTX *, void *, int *, void *, size_t);
304int	EVP_CipherFinal_ex(EVP_CIPHER_CTX *, void *, int *);
305
306int	EVP_Cipher(EVP_CIPHER_CTX *,void *,const void *,size_t);
307
308int	PKCS5_PBKDF2_HMAC_SHA1(const void *, size_t, const void *, size_t,
309			       unsigned long, size_t, void *);
310
311int	EVP_BytesToKey(const EVP_CIPHER *, const EVP_MD *,
312		       const void *, const void *, size_t,
313		       unsigned int, void *, void *);
314
315
316/*
317 *
318 */
319
320void	OpenSSL_add_all_algorithms(void);
321void	OpenSSL_add_all_algorithms_conf(void);
322void	OpenSSL_add_all_algorithms_noconf(void);
323
324void
325hcrypto_validate(void);
326
327HC_CPP_END
328
329#endif /* HEIM_EVP_H */
330