lib/hcrypto/evp.h

   1 /*
   2  * Copyright (c) 2005 - 2006 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_Digest hc_EVP_Digest
  60 #define EVP_DigestFinal_ex hc_EVP_DigestFinal_ex
  61 #define EVP_DigestInit_ex hc_EVP_DigestInit_ex
  62 #define EVP_DigestUpdate hc_EVP_DigestUpdate
  63 #define EVP_MD_CTX_block_size hc_EVP_MD_CTX_block_size
  64 #define EVP_MD_CTX_cleanup hc_EVP_MD_CTX_cleanup
  65 #define EVP_MD_CTX_create hc_EVP_MD_CTX_create
  66 #define EVP_MD_CTX_init hc_EVP_MD_CTX_init
  67 #define EVP_MD_CTX_destroy hc_EVP_MD_CTX_destroy
  68 #define EVP_MD_CTX_md hc_EVP_MD_CTX_md
  69 #define EVP_MD_CTX_size hc_EVP_MD_CTX_size
  70 #define EVP_MD_block_size hc_EVP_MD_block_size
  71 #define EVP_MD_size hc_EVP_MD_size
  72 #define EVP_aes_128_cbc hc_EVP_aes_128_cbc
  73 #define EVP_aes_192_cbc hc_EVP_aes_192_cbc
  74 #define EVP_aes_256_cbc hc_EVP_aes_256_cbc
  75 #define EVP_des_ede3_cbc hc_EVP_des_ede3_cbc
  76 #define EVP_enc_null hc_EVP_enc_null
  77 #define EVP_md2 hc_EVP_md2
  78 #define EVP_md4 hc_EVP_md4
  79 #define EVP_md5 hc_EVP_md5
  80 #define EVP_md_null hc_EVP_md_null
  81 #define EVP_rc2_40_cbc hc_EVP_rc2_40_cbc
  82 #define EVP_rc2_64_cbc hc_EVP_rc2_64_cbc
  83 #define EVP_rc2_cbc hc_EVP_rc2_cbc
  84 #define EVP_rc4 hc_EVP_rc4
  85 #define EVP_rc4_40 hc_EVP_rc4_40
  86 #define EVP_camellia_128_cbc hc_EVP_camellia_128_cbc
  87 #define EVP_camellia_192_cbc hc_EVP_camellia_192_cbc
  88 #define EVP_camellia_256_cbc hc_EVP_camellia_256_cbc
  89 #define EVP_sha hc_EVP_sha
  90 #define EVP_sha1 hc_EVP_sha1
  91 #define EVP_sha256 hc_EVP_sha256
  92 #define PKCS5_PBKDF2_HMAC_SHA1 hc_PKCS5_PBKDF2_HMAC_SHA1
  93 #define EVP_BytesToKey hc_EVP_BytesToKey
  94 #define EVP_get_cipherbyname hc_EVP_get_cipherbyname
  95 #define OpenSSL_add_all_algorithms hc_OpenSSL_add_all_algorithms
  96 #define OpenSSL_add_all_algorithms_conf hc_OpenSSL_add_all_algorithms_conf
  97 #define OpenSSL_add_all_algorithms_noconf hc_OpenSSL_add_all_algorithms_noconf
  98
  99 /*
 100  *
 101  */
 102
 103 typedef struct hc_EVP_MD_CTX EVP_MD_CTX;
 104 typedef struct hc_evp_pkey EVP_PKEY;
 105 typedef struct hc_evp_md EVP_MD;
 106 typedef struct hc_CIPHER EVP_CIPHER;
 107 typedef struct hc_CIPHER_CTX EVP_CIPHER_CTX;
 108
 109 #define EVP_MAX_IV_LENGTH       16
 110 #define EVP_MAX_BLOCK_LENGTH    32
 111
 112 #define EVP_MAX_MD_SIZE         64
 113
 114 struct hc_CIPHER {
 115     int nid;
 116     int block_size;
 117     int key_len;
 118     int iv_len;
 119     unsigned long flags;
 120     /* The lowest 3 bits is used as integer field for the mode the
 121      * cipher is used in (use EVP_CIPHER.._mode() to extract the
 122      * mode). The rest of the flag field is a bitfield.
 123      */
 124 #define EVP_CIPH_CBC_MODE               2
 125 #define EVP_CIPH_MODE                   0x7
 126
 127 #define EVP_CIPH_ALWAYS_CALL_INIT       0x20
 128
 129     int (*init)(EVP_CIPHER_CTX*,const unsigned char*,const unsigned char*,int);
 130     int (*do_cipher)(EVP_CIPHER_CTX *, unsigned char *,
 131                      const unsigned char *, unsigned int);
 132     int (*cleanup)(EVP_CIPHER_CTX *);
 133     int ctx_size;
 134     void *set_asn1_parameters;
 135     void *get_asn1_parameters;
 136     void *ctrl;
 137     void *app_data;
 138 };
 139
 140 struct hc_CIPHER_CTX {
 141     const EVP_CIPHER *cipher;
 142     ENGINE *engine;
 143     int encrypt;
 144     int buf_len;
 145     unsigned char oiv[EVP_MAX_IV_LENGTH];
 146     unsigned char iv[EVP_MAX_IV_LENGTH];
 147     unsigned char buf[EVP_MAX_BLOCK_LENGTH];
 148     int num;
 149     void *app_data;
 150     int key_len;
 151     unsigned long flags;
 152     void *cipher_data;
 153     int final_used;
 154     int block_mask;
 155     unsigned char final[EVP_MAX_BLOCK_LENGTH];
 156 };
 157
 158 struct hc_EVP_MD_CTX {
 159     const EVP_MD *md;
 160     ENGINE *engine;
 161     void *ptr;
 162 };
 163
 164 /*
 165  * Avaible crypto algs
 166  */
 167
 168 const EVP_MD *EVP_md_null(void);
 169 const EVP_MD *EVP_md2(void);
 170 const EVP_MD *EVP_md4(void);
 171 const EVP_MD *EVP_md5(void);
 172 const EVP_MD *EVP_sha(void);
 173 const EVP_MD *EVP_sha1(void);
 174 const EVP_MD *EVP_sha256(void);
 175
 176 const EVP_CIPHER * EVP_aes_128_cbc(void);
 177 const EVP_CIPHER * EVP_aes_192_cbc(void);
 178 const EVP_CIPHER * EVP_aes_256_cbc(void);
 179 const EVP_CIPHER * EVP_des_ede3_cbc(void);
 180 const EVP_CIPHER * EVP_enc_null(void);
 181 const EVP_CIPHER * EVP_rc2_40_cbc(void);
 182 const EVP_CIPHER * EVP_rc2_64_cbc(void);
 183 const EVP_CIPHER * EVP_rc2_cbc(void);
 184 const EVP_CIPHER * EVP_rc4(void);
 185 const EVP_CIPHER * EVP_rc4_40(void);
 186 const EVP_CIPHER * EVP_camellia_128_cbc(void);
 187 const EVP_CIPHER * EVP_camellia_192_cbc(void);
 188 const EVP_CIPHER * EVP_camellia_256_cbc(void);
 189
 190 /*
 191  *
 192  */
 193
 194 size_t  EVP_MD_size(const EVP_MD *);
 195 size_t  EVP_MD_block_size(const EVP_MD *);
 196
 197 const EVP_MD *
 198         EVP_MD_CTX_md(EVP_MD_CTX *);
 199 size_t  EVP_MD_CTX_size(EVP_MD_CTX *);
 200 size_t  EVP_MD_CTX_block_size(EVP_MD_CTX *);
 201
 202 EVP_MD_CTX *
 203         EVP_MD_CTX_create(void);
 204 void    EVP_MD_CTX_init(EVP_MD_CTX *);
 205 void    EVP_MD_CTX_destroy(EVP_MD_CTX *);
 206 int     EVP_MD_CTX_cleanup(EVP_MD_CTX *);
 207
 208 int     EVP_DigestInit_ex(EVP_MD_CTX *, const EVP_MD *, ENGINE *);
 209 int     EVP_DigestUpdate(EVP_MD_CTX *,const void *, size_t);
 210 int     EVP_DigestFinal_ex(EVP_MD_CTX *, void *, unsigned int *);
 211 int     EVP_Digest(const void *, size_t, void *, unsigned int *,
 212                    const EVP_MD *, ENGINE *);
 213 /*
 214  *
 215  */
 216
 217 const EVP_CIPHER *
 218         EVP_get_cipherbyname(const char *);
 219
 220 size_t  EVP_CIPHER_block_size(const EVP_CIPHER *);
 221 size_t  EVP_CIPHER_key_length(const EVP_CIPHER *);
 222 size_t  EVP_CIPHER_iv_length(const EVP_CIPHER *);
 223
 224 void    EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *);
 225 int     EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *);
 226 int     EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *, int);
 227 int     EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *, int);
 228 unsigned long
 229         EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *);
 230 int     EVP_CIPHER_CTX_mode(const EVP_CIPHER_CTX *);
 231
 232 const EVP_CIPHER *
 233         EVP_CIPHER_CTX_cipher(EVP_CIPHER_CTX *);
 234 size_t  EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *);
 235 size_t  EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *);
 236 size_t  EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *);
 237 void *  EVP_CIPHER_CTX_get_app_data(EVP_CIPHER_CTX *);
 238 void    EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *, void *);
 239
 240 int     EVP_CipherInit_ex(EVP_CIPHER_CTX *,const EVP_CIPHER *, ENGINE *,
 241                           const void *, const void *, int);
 242
 243 int     EVP_Cipher(EVP_CIPHER_CTX *,void *,const void *,size_t);
 244
 245 int     PKCS5_PBKDF2_HMAC_SHA1(const void *, size_t, const void *, size_t,
 246                                unsigned long, size_t, void *);
 247
 248 int     EVP_BytesToKey(const EVP_CIPHER *, const EVP_MD *,
 249                        const void *, const void *, size_t,
 250                        unsigned int, void *, void *);
 251
 252
 253 /*
 254  *
 255  */
 256
 257 void    OpenSSL_add_all_algorithms(void);
 258 void    OpenSSL_add_all_algorithms_conf(void);
 259 void    OpenSSL_add_all_algorithms_noconf(void);
 260
 261 #endif /* HEIM_EVP_H */