include/openssl/modes.h

   1 /*
   2  * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef OPENSSL_MODES_H
  11 # define OPENSSL_MODES_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # if !OPENSSL_API_3
  16 #  define HEADER_MODES_H
  17 # endif
  18
  19 # include <stddef.h>
  20 # include <openssl/types.h>
  21
  22 # ifdef  __cplusplus
  23 extern "C" {
  24 # endif
  25 typedef void (*block128_f) (const unsigned char in[16],
  26                             unsigned char out[16], const void *key);
  27
  28 typedef void (*cbc128_f) (const unsigned char *in, unsigned char *out,
  29                           size_t len, const void *key,
  30                           unsigned char ivec[16], int enc);
  31
  32 typedef void (*ctr128_f) (const unsigned char *in, unsigned char *out,
  33                           size_t blocks, const void *key,
  34                           const unsigned char ivec[16]);
  35
  36 typedef void (*ccm128_f) (const unsigned char *in, unsigned char *out,
  37                           size_t blocks, const void *key,
  38                           const unsigned char ivec[16],
  39                           unsigned char cmac[16]);
  40
  41 void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
  42                            size_t len, const void *key,
  43                            unsigned char ivec[16], block128_f block);
  44 void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
  45                            size_t len, const void *key,
  46                            unsigned char ivec[16], block128_f block);
  47
  48 void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
  49                            size_t len, const void *key,
  50                            unsigned char ivec[16],
  51                            unsigned char ecount_buf[16], unsigned int *num,
  52                            block128_f block);
  53
  54 void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
  55                                  size_t len, const void *key,
  56                                  unsigned char ivec[16],
  57                                  unsigned char ecount_buf[16],
  58                                  unsigned int *num, ctr128_f ctr);
  59
  60 void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
  61                            size_t len, const void *key,
  62                            unsigned char ivec[16], int *num,
  63                            block128_f block);
  64
  65 void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  66                            size_t len, const void *key,
  67                            unsigned char ivec[16], int *num,
  68                            int enc, block128_f block);
  69 void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
  70                              size_t length, const void *key,
  71                              unsigned char ivec[16], int *num,
  72                              int enc, block128_f block);
  73 void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
  74                              size_t bits, const void *key,
  75                              unsigned char ivec[16], int *num,
  76                              int enc, block128_f block);
  77
  78 size_t CRYPTO_cts128_encrypt_block(const unsigned char *in,
  79                                    unsigned char *out, size_t len,
  80                                    const void *key, unsigned char ivec[16],
  81                                    block128_f block);
  82 size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
  83                              size_t len, const void *key,
  84                              unsigned char ivec[16], cbc128_f cbc);
  85 size_t CRYPTO_cts128_decrypt_block(const unsigned char *in,
  86                                    unsigned char *out, size_t len,
  87                                    const void *key, unsigned char ivec[16],
  88                                    block128_f block);
  89 size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
  90                              size_t len, const void *key,
  91                              unsigned char ivec[16], cbc128_f cbc);
  92
  93 size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in,
  94                                        unsigned char *out, size_t len,
  95                                        const void *key,
  96                                        unsigned char ivec[16],
  97                                        block128_f block);
  98 size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
  99                                  size_t len, const void *key,
 100                                  unsigned char ivec[16], cbc128_f cbc);
 101 size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in,
 102                                        unsigned char *out, size_t len,
 103                                        const void *key,
 104                                        unsigned char ivec[16],
 105                                        block128_f block);
 106 size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
 107                                  size_t len, const void *key,
 108                                  unsigned char ivec[16], cbc128_f cbc);
 109
 110 typedef struct gcm128_context GCM128_CONTEXT;
 111
 112 GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
 113 void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
 114 void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
 115                          size_t len);
 116 int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
 117                       size_t len);
 118 int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
 119                           const unsigned char *in, unsigned char *out,
 120                           size_t len);
 121 int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
 122                           const unsigned char *in, unsigned char *out,
 123                           size_t len);
 124 int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
 125                                 const unsigned char *in, unsigned char *out,
 126                                 size_t len, ctr128_f stream);
 127 int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
 128                                 const unsigned char *in, unsigned char *out,
 129                                 size_t len, ctr128_f stream);
 130 int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
 131                          size_t len);
 132 void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
 133 void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
 134
 135 typedef struct ccm128_context CCM128_CONTEXT;
 136
 137 void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
 138                         unsigned int M, unsigned int L, void *key,
 139                         block128_f block);
 140 int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx, const unsigned char *nonce,
 141                         size_t nlen, size_t mlen);
 142 void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx, const unsigned char *aad,
 143                        size_t alen);
 144 int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
 145                           unsigned char *out, size_t len);
 146 int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
 147                           unsigned char *out, size_t len);
 148 int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
 149                                 unsigned char *out, size_t len,
 150                                 ccm128_f stream);
 151 int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
 152                                 unsigned char *out, size_t len,
 153                                 ccm128_f stream);
 154 size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
 155
 156 typedef struct xts128_context XTS128_CONTEXT;
 157
 158 int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx,
 159                           const unsigned char iv[16],
 160                           const unsigned char *inp, unsigned char *out,
 161                           size_t len, int enc);
 162
 163 size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
 164                        unsigned char *out,
 165                        const unsigned char *in, size_t inlen,
 166                        block128_f block);
 167
 168 size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
 169                          unsigned char *out,
 170                          const unsigned char *in, size_t inlen,
 171                          block128_f block);
 172 size_t CRYPTO_128_wrap_pad(void *key, const unsigned char *icv,
 173                            unsigned char *out, const unsigned char *in,
 174                            size_t inlen, block128_f block);
 175 size_t CRYPTO_128_unwrap_pad(void *key, const unsigned char *icv,
 176                              unsigned char *out, const unsigned char *in,
 177                              size_t inlen, block128_f block);
 178
 179 # ifndef OPENSSL_NO_OCB
 180 typedef struct ocb128_context OCB128_CONTEXT;
 181
 182 typedef void (*ocb128_f) (const unsigned char *in, unsigned char *out,
 183                           size_t blocks, const void *key,
 184                           size_t start_block_num,
 185                           unsigned char offset_i[16],
 186                           const unsigned char L_[][16],
 187                           unsigned char checksum[16]);
 188
 189 OCB128_CONTEXT *CRYPTO_ocb128_new(void *keyenc, void *keydec,
 190                                   block128_f encrypt, block128_f decrypt,
 191                                   ocb128_f stream);
 192 int CRYPTO_ocb128_init(OCB128_CONTEXT *ctx, void *keyenc, void *keydec,
 193                        block128_f encrypt, block128_f decrypt,
 194                        ocb128_f stream);
 195 int CRYPTO_ocb128_copy_ctx(OCB128_CONTEXT *dest, OCB128_CONTEXT *src,
 196                            void *keyenc, void *keydec);
 197 int CRYPTO_ocb128_setiv(OCB128_CONTEXT *ctx, const unsigned char *iv,
 198                         size_t len, size_t taglen);
 199 int CRYPTO_ocb128_aad(OCB128_CONTEXT *ctx, const unsigned char *aad,
 200                       size_t len);
 201 int CRYPTO_ocb128_encrypt(OCB128_CONTEXT *ctx, const unsigned char *in,
 202                           unsigned char *out, size_t len);
 203 int CRYPTO_ocb128_decrypt(OCB128_CONTEXT *ctx, const unsigned char *in,
 204                           unsigned char *out, size_t len);
 205 int CRYPTO_ocb128_finish(OCB128_CONTEXT *ctx, const unsigned char *tag,
 206                          size_t len);
 207 int CRYPTO_ocb128_tag(OCB128_CONTEXT *ctx, unsigned char *tag, size_t len);
 208 void CRYPTO_ocb128_cleanup(OCB128_CONTEXT *ctx);
 209 # endif                          /* OPENSSL_NO_OCB */
 210
 211 # ifdef  __cplusplus
 212 }
 213 # endif
 214
 215 #endif