include/openssl/modes.h

   1 /*
   2  * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (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
  15 # ifdef  __cplusplus
  16 extern "C" {
  17 # endif
  18 typedef void (*block128_f) (const unsigned char in[16],
  19                             unsigned char out[16], const void *key);
  20
  21 typedef void (*cbc128_f) (const unsigned char *in, unsigned char *out,
  22                           size_t len, const void *key,
  23                           unsigned char ivec[16], int enc);
  24
  25 typedef void (*ctr128_f) (const unsigned char *in, unsigned char *out,
  26                           size_t blocks, const void *key,
  27                           const unsigned char ivec[16]);
  28
  29 typedef void (*ccm128_f) (const unsigned char *in, unsigned char *out,
  30                           size_t blocks, const void *key,
  31                           const unsigned char ivec[16],
  32                           unsigned char cmac[16]);
  33
  34 void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
  35                            size_t len, const void *key,
  36                            unsigned char ivec[16], block128_f block);
  37 void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
  38                            size_t len, const void *key,
  39                            unsigned char ivec[16], block128_f block);
  40
  41 void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
  42                            size_t len, const void *key,
  43                            unsigned char ivec[16],
  44                            unsigned char ecount_buf[16], unsigned int *num,
  45                            block128_f block);
  46
  47 void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
  48                                  size_t len, const void *key,
  49                                  unsigned char ivec[16],
  50                                  unsigned char ecount_buf[16],
  51                                  unsigned int *num, ctr128_f ctr);
  52
  53 void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
  54                            size_t len, const void *key,
  55                            unsigned char ivec[16], int *num,
  56                            block128_f block);
  57
  58 void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  59                            size_t len, const void *key,
  60                            unsigned char ivec[16], int *num,
  61                            int enc, block128_f block);
  62 void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
  63                              size_t length, const void *key,
  64                              unsigned char ivec[16], int *num,
  65                              int enc, block128_f block);
  66 void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
  67                              size_t bits, const void *key,
  68                              unsigned char ivec[16], int *num,
  69                              int enc, block128_f block);
  70
  71 size_t CRYPTO_cts128_encrypt_block(const unsigned char *in,
  72                                    unsigned char *out, size_t len,
  73                                    const void *key, unsigned char ivec[16],
  74                                    block128_f block);
  75 size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
  76                              size_t len, const void *key,
  77                              unsigned char ivec[16], cbc128_f cbc);
  78 size_t CRYPTO_cts128_decrypt_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_decrypt(const unsigned char *in, unsigned char *out,
  83                              size_t len, const void *key,
  84                              unsigned char ivec[16], cbc128_f cbc);
  85
  86 size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in,
  87                                        unsigned char *out, size_t len,
  88                                        const void *key,
  89                                        unsigned char ivec[16],
  90                                        block128_f block);
  91 size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
  92                                  size_t len, const void *key,
  93                                  unsigned char ivec[16], cbc128_f cbc);
  94 size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in,
  95                                        unsigned char *out, size_t len,
  96                                        const void *key,
  97                                        unsigned char ivec[16],
  98                                        block128_f block);
  99 size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
 100                                  size_t len, const void *key,
 101                                  unsigned char ivec[16], cbc128_f cbc);
 102
 103 typedef struct gcm128_context GCM128_CONTEXT;
 104
 105 GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
 106 void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
 107 void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
 108                          size_t len);
 109 int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
 110                       size_t len);
 111 int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
 112                           const unsigned char *in, unsigned char *out,
 113                           size_t len);
 114 int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
 115                           const unsigned char *in, unsigned char *out,
 116                           size_t len);
 117 int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
 118                                 const unsigned char *in, unsigned char *out,
 119                                 size_t len, ctr128_f stream);
 120 int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
 121                                 const unsigned char *in, unsigned char *out,
 122                                 size_t len, ctr128_f stream);
 123 int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
 124                          size_t len);
 125 void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
 126 void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
 127
 128 typedef struct ccm128_context CCM128_CONTEXT;
 129
 130 void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
 131                         unsigned int M, unsigned int L, void *key,
 132                         block128_f block);
 133 int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx, const unsigned char *nonce,
 134                         size_t nlen, size_t mlen);
 135 void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx, const unsigned char *aad,
 136                        size_t alen);
 137 int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
 138                           unsigned char *out, size_t len);
 139 int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
 140                           unsigned char *out, size_t len);
 141 int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
 142                                 unsigned char *out, size_t len,
 143                                 ccm128_f stream);
 144 int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
 145                                 unsigned char *out, size_t len,
 146                                 ccm128_f stream);
 147 size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
 148
 149 typedef struct xts128_context XTS128_CONTEXT;
 150
 151 int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx,
 152                           const unsigned char iv[16],
 153                           const unsigned char *inp, unsigned char *out,
 154                           size_t len, int enc);
 155
 156 size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
 157                        unsigned char *out,
 158                        const unsigned char *in, size_t inlen,
 159                        block128_f block);
 160
 161 size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
 162                          unsigned char *out,
 163                          const unsigned char *in, size_t inlen,
 164                          block128_f block);
 165 size_t CRYPTO_128_wrap_pad(void *key, const unsigned char *icv,
 166                            unsigned char *out, const unsigned char *in,
 167                            size_t inlen, block128_f block);
 168 size_t CRYPTO_128_unwrap_pad(void *key, const unsigned char *icv,
 169                              unsigned char *out, const unsigned char *in,
 170                              size_t inlen, block128_f block);
 171
 172 # ifndef OPENSSL_NO_OCB
 173 typedef struct ocb128_context OCB128_CONTEXT;
 174
 175 typedef void (*ocb128_f) (const unsigned char *in, unsigned char *out,
 176                           size_t blocks, const void *key,
 177                           size_t start_block_num,
 178                           unsigned char offset_i[16],
 179                           const unsigned char L_[][16],
 180                           unsigned char checksum[16]);
 181
 182 OCB128_CONTEXT *CRYPTO_ocb128_new(void *keyenc, void *keydec,
 183                                   block128_f encrypt, block128_f decrypt,
 184                                   ocb128_f stream);
 185 int CRYPTO_ocb128_init(OCB128_CONTEXT *ctx, void *keyenc, void *keydec,
 186                        block128_f encrypt, block128_f decrypt,
 187                        ocb128_f stream);
 188 int CRYPTO_ocb128_copy_ctx(OCB128_CONTEXT *dest, OCB128_CONTEXT *src,
 189                            void *keyenc, void *keydec);
 190 int CRYPTO_ocb128_setiv(OCB128_CONTEXT *ctx, const unsigned char *iv,
 191                         size_t len, size_t taglen);
 192 int CRYPTO_ocb128_aad(OCB128_CONTEXT *ctx, const unsigned char *aad,
 193                       size_t len);
 194 int CRYPTO_ocb128_encrypt(OCB128_CONTEXT *ctx, const unsigned char *in,
 195                           unsigned char *out, size_t len);
 196 int CRYPTO_ocb128_decrypt(OCB128_CONTEXT *ctx, const unsigned char *in,
 197                           unsigned char *out, size_t len);
 198 int CRYPTO_ocb128_finish(OCB128_CONTEXT *ctx, const unsigned char *tag,
 199                          size_t len);
 200 int CRYPTO_ocb128_tag(OCB128_CONTEXT *ctx, unsigned char *tag, size_t len);
 201 void CRYPTO_ocb128_cleanup(OCB128_CONTEXT *ctx);
 202 # endif                          /* OPENSSL_NO_OCB */
 203
 204 # ifdef  __cplusplus
 205 }
 206 # endif
 207
 208 #endif