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