lib/hcrypto/evp.h

   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_hcrypto_aes_128_cbc hc_EVP_hcrypto_aes_128_cbc
  78 #define EVP_hcrypto_aes_192_cbc hc_EVP_hcrypto_aes_192_cbc
  79 #define EVP_hcrypto_aes_256_cbc hc_EVP_hcrypto_aes_256_cbc
  80 #define EVP_hcrypto_aes_128_cts hc_EVP_hcrypto_aes_128_cts
  81 #define EVP_hcrypto_aes_192_cts hc_EVP_hcrypto_aes_192_cts
  82 #define EVP_hcrypto_aes_256_cts hc_EVP_hcrypto_aes_256_cts
  83 #define EVP_des_cbc hc_EVP_des_cbc
  84 #define EVP_des_ede3_cbc hc_EVP_des_ede3_cbc
  85 #define EVP_enc_null hc_EVP_enc_null
  86 #define EVP_md2 hc_EVP_md2
  87 #define EVP_md4 hc_EVP_md4
  88 #define EVP_md5 hc_EVP_md5
  89 #define EVP_md_null hc_EVP_md_null
  90 #define EVP_rc2_40_cbc hc_EVP_rc2_40_cbc
  91 #define EVP_rc2_64_cbc hc_EVP_rc2_64_cbc
  92 #define EVP_rc2_cbc hc_EVP_rc2_cbc
  93 #define EVP_rc4 hc_EVP_rc4
  94 #define EVP_rc4_40 hc_EVP_rc4_40
  95 #define EVP_camellia_128_cbc hc_EVP_camellia_128_cbc
  96 #define EVP_camellia_192_cbc hc_EVP_camellia_192_cbc
  97 #define EVP_camellia_256_cbc hc_EVP_camellia_256_cbc
  98 #define EVP_sha hc_EVP_sha
  99 #define EVP_sha1 hc_EVP_sha1
 100 #define EVP_sha256 hc_EVP_sha256
 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
 110 /*
 111  *
 112  */
 113
 114 typedef struct hc_EVP_MD_CTX EVP_MD_CTX;
 115 typedef struct hc_evp_pkey EVP_PKEY;
 116 typedef struct hc_evp_md EVP_MD;
 117 typedef struct hc_CIPHER EVP_CIPHER;
 118 typedef struct hc_CIPHER_CTX EVP_CIPHER_CTX;
 119
 120 #define EVP_MAX_IV_LENGTH       16
 121 #define EVP_MAX_BLOCK_LENGTH    32
 122
 123 #define EVP_MAX_MD_SIZE         64
 124
 125 struct hc_CIPHER {
 126     int nid;
 127     int block_size;
 128     int key_len;
 129     int iv_len;
 130     unsigned long flags;
 131     /* The lowest 3 bits is used as integer field for the mode the
 132      * cipher is used in (use EVP_CIPHER.._mode() to extract the
 133      * mode). The rest of the flag field is a bitfield.
 134      */
 135 #define EVP_CIPH_STREAM_CIPHER          0
 136 #define EVP_CIPH_CBC_MODE               2
 137 #define EVP_CIPH_MODE                   0x7
 138
 139 #define EVP_CIPH_ALWAYS_CALL_INIT       0x020
 140 #define EVP_CIPH_RAND_KEY               0x200
 141
 142     int (*init)(EVP_CIPHER_CTX*,const unsigned char*,const unsigned char*,int);
 143     int (*do_cipher)(EVP_CIPHER_CTX *, unsigned char *,
 144                      const unsigned char *, unsigned int);
 145     int (*cleanup)(EVP_CIPHER_CTX *);
 146     int ctx_size;
 147     void *set_asn1_parameters;
 148     void *get_asn1_parameters;
 149     int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr);
 150 #define EVP_CTRL_RAND_KEY               0x6
 151
 152     void *app_data;
 153 };
 154
 155 struct hc_CIPHER_CTX {
 156     const EVP_CIPHER *cipher;
 157     ENGINE *engine;
 158     int encrypt;
 159     int buf_len; /* bytes stored in buf for EVP_CipherUpdate */
 160     unsigned char oiv[EVP_MAX_IV_LENGTH];
 161     unsigned char iv[EVP_MAX_IV_LENGTH];
 162     unsigned char buf[EVP_MAX_BLOCK_LENGTH];
 163     int num;
 164     void *app_data;
 165     int key_len;
 166     unsigned long flags;
 167     void *cipher_data;
 168     int final_used;
 169     int block_mask;
 170     unsigned char final[EVP_MAX_BLOCK_LENGTH];
 171 };
 172
 173 typedef int (*hc_evp_md_init)(EVP_MD_CTX *);
 174 typedef int (*hc_evp_md_update)(EVP_MD_CTX *,const void *, size_t);
 175 typedef int (*hc_evp_md_final)(void *, EVP_MD_CTX *);
 176 typedef int (*hc_evp_md_cleanup)(EVP_MD_CTX *);
 177
 178 struct hc_evp_md {
 179     int hash_size;
 180     int block_size;
 181     int ctx_size;
 182     hc_evp_md_init init;
 183     hc_evp_md_update update;
 184     hc_evp_md_final final;
 185     hc_evp_md_cleanup cleanup;
 186 };
 187
 188 #if !defined(__GNUC__) && !defined(__attribute__)
 189 #define __attribute__(x)
 190 #endif
 191
 192 #ifndef HC_DEPRECATED
 193 #if defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1 )))
 194 #define HC_DEPRECATED __attribute__((deprecated))
 195 #elif defined(_MSC_VER) && (_MSC_VER>1200)
 196 #define HC_DEPRECATED __declspec(deprecated)
 197 #else
 198 #define HC_DEPRECATED
 199 #endif
 200 #endif
 201
 202 #ifndef HC_DEPRECATED_CRYPTO
 203 #define HC_DEPRECATED_CRYPTO HC_DEPRECATED
 204 #endif
 205
 206
 207 #ifdef  __cplusplus
 208 extern "C" {
 209 #endif
 210
 211 /*
 212  * Avaible crypto algs
 213  */
 214
 215 const EVP_MD *EVP_md_null(void);
 216 const EVP_MD *EVP_md2(void) HC_DEPRECATED_CRYPTO;
 217 const EVP_MD *EVP_md4(void) HC_DEPRECATED_CRYPTO;
 218 const EVP_MD *EVP_md5(void) HC_DEPRECATED_CRYPTO;
 219 const EVP_MD *EVP_sha(void);
 220 const EVP_MD *EVP_sha1(void);
 221 const EVP_MD *EVP_sha256(void);
 222
 223 const EVP_CIPHER * EVP_aes_128_cbc(void);
 224 const EVP_CIPHER * EVP_aes_192_cbc(void);
 225 const EVP_CIPHER * EVP_aes_256_cbc(void);
 226 const EVP_CIPHER * EVP_hcrypto_aes_128_cbc(void);
 227 const EVP_CIPHER * EVP_hcrypto_aes_192_cbc(void);
 228 const EVP_CIPHER * EVP_hcrypto_aes_256_cbc(void);
 229 const EVP_CIPHER * EVP_hcrypto_aes_128_cts(void);
 230 const EVP_CIPHER * EVP_hcrypto_aes_192_cts(void);
 231 const EVP_CIPHER * EVP_hcrypto_aes_256_cts(void);
 232 const EVP_CIPHER * EVP_des_cbc(void) HC_DEPRECATED_CRYPTO;
 233 const EVP_CIPHER * EVP_des_ede3_cbc(void);
 234 const EVP_CIPHER * EVP_enc_null(void);
 235 const EVP_CIPHER * EVP_rc2_40_cbc(void) HC_DEPRECATED_CRYPTO;
 236 const EVP_CIPHER * EVP_rc2_64_cbc(void) HC_DEPRECATED_CRYPTO;
 237 const EVP_CIPHER * EVP_rc2_cbc(void) HC_DEPRECATED_CRYPTO;
 238 const EVP_CIPHER * EVP_rc4(void);
 239 const EVP_CIPHER * EVP_rc4_40(void) HC_DEPRECATED_CRYPTO;
 240 const EVP_CIPHER * EVP_camellia_128_cbc(void);
 241 const EVP_CIPHER * EVP_camellia_192_cbc(void);
 242 const EVP_CIPHER * EVP_camellia_256_cbc(void);
 243
 244 /*
 245  *
 246  */
 247
 248 size_t  EVP_MD_size(const EVP_MD *);
 249 size_t  EVP_MD_block_size(const EVP_MD *);
 250
 251 const EVP_MD *
 252         EVP_MD_CTX_md(EVP_MD_CTX *);
 253 size_t  EVP_MD_CTX_size(EVP_MD_CTX *);
 254 size_t  EVP_MD_CTX_block_size(EVP_MD_CTX *);
 255
 256 EVP_MD_CTX *
 257         EVP_MD_CTX_create(void);
 258 void    HC_DEPRECATED EVP_MD_CTX_init(EVP_MD_CTX *);
 259 void    EVP_MD_CTX_destroy(EVP_MD_CTX *);
 260 int     HC_DEPRECATED EVP_MD_CTX_cleanup(EVP_MD_CTX *);
 261
 262 int     EVP_DigestInit_ex(EVP_MD_CTX *, const EVP_MD *, ENGINE *);
 263 int     EVP_DigestUpdate(EVP_MD_CTX *,const void *, size_t);
 264 int     EVP_DigestFinal_ex(EVP_MD_CTX *, void *, unsigned int *);
 265 int     EVP_Digest(const void *, size_t, void *, unsigned int *,
 266                    const EVP_MD *, ENGINE *);
 267 /*
 268  *
 269  */
 270
 271 const EVP_CIPHER *
 272         EVP_get_cipherbyname(const char *);
 273
 274 size_t  EVP_CIPHER_block_size(const EVP_CIPHER *);
 275 size_t  EVP_CIPHER_key_length(const EVP_CIPHER *);
 276 size_t  EVP_CIPHER_iv_length(const EVP_CIPHER *);
 277
 278 void    EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *);
 279 int     EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *);
 280 int     EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *, int);
 281 int     EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *, int);
 282 unsigned long
 283         EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *);
 284 int     EVP_CIPHER_CTX_mode(const EVP_CIPHER_CTX *);
 285
 286 const EVP_CIPHER *
 287         EVP_CIPHER_CTX_cipher(EVP_CIPHER_CTX *);
 288 size_t  EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *);
 289 size_t  EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *);
 290 size_t  EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *);
 291 void *  EVP_CIPHER_CTX_get_app_data(EVP_CIPHER_CTX *);
 292 void    EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *, void *);
 293
 294 int     EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *, int, int, void *);
 295 int     EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *, void *);
 296
 297
 298 int     EVP_CipherInit_ex(EVP_CIPHER_CTX *,const EVP_CIPHER *, ENGINE *,
 299                           const void *, const void *, int);
 300 int     EVP_CipherUpdate(EVP_CIPHER_CTX *, void *, int *, void *, size_t);
 301 int     EVP_CipherFinal_ex(EVP_CIPHER_CTX *, void *, int *);
 302
 303 int     EVP_Cipher(EVP_CIPHER_CTX *,void *,const void *,size_t);
 304
 305 int     PKCS5_PBKDF2_HMAC_SHA1(const void *, size_t, const void *, size_t,
 306                                unsigned long, size_t, void *);
 307
 308 int     EVP_BytesToKey(const EVP_CIPHER *, const EVP_MD *,
 309                        const void *, const void *, size_t,
 310                        unsigned int, void *, void *);
 311
 312
 313 /*
 314  *
 315  */
 316
 317 void    OpenSSL_add_all_algorithms(void);
 318 void    OpenSSL_add_all_algorithms_conf(void);
 319 void    OpenSSL_add_all_algorithms_noconf(void);
 320
 321 #ifdef  __cplusplus
 322 }
 323 #endif
 324
 325 #endif /* HEIM_EVP_H */