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