crypto/modes/modes.h

   1 /* ====================================================================
   2  * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
   3  *
   4  * Rights for redistribution and usage in source and binary
   5  * forms are granted according to the OpenSSL license.
   6  */
   7
   8 #include <stddef.h>
   9
  10 #ifdef  __cplusplus
  11 extern "C" {
  12 #endif
  13 typedef void (*block128_f) (const unsigned char in[16],
  14                             unsigned char out[16], const void *key);
  15
  16 typedef void (*cbc128_f) (const unsigned char *in, unsigned char *out,
  17                           size_t len, const void *key,
  18                           unsigned char ivec[16], int enc);
  19
  20 typedef void (*ctr128_f) (const unsigned char *in, unsigned char *out,
  21                           size_t blocks, const void *key,
  22                           const unsigned char ivec[16]);
  23
  24 typedef void (*ccm128_f) (const unsigned char *in, unsigned char *out,
  25                           size_t blocks, const void *key,
  26                           const unsigned char ivec[16],
  27                           unsigned char cmac[16]);
  28
  29 void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
  30                            size_t len, const void *key,
  31                            unsigned char ivec[16], block128_f block);
  32 void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
  33                            size_t len, const void *key,
  34                            unsigned char ivec[16], block128_f block);
  35
  36 void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
  37                            size_t len, const void *key,
  38                            unsigned char ivec[16],
  39                            unsigned char ecount_buf[16], unsigned int *num,
  40                            block128_f block);
  41
  42 void CRYPTO_ctr128_encrypt_ctr32(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],
  46                                  unsigned int *num, ctr128_f ctr);
  47
  48 void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
  49                            size_t len, const void *key,
  50                            unsigned char ivec[16], int *num,
  51                            block128_f block);
  52
  53 void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  54                            size_t len, const void *key,
  55                            unsigned char ivec[16], int *num,
  56                            int enc, block128_f block);
  57 void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
  58                              size_t length, const void *key,
  59                              unsigned char ivec[16], int *num,
  60                              int enc, block128_f block);
  61 void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
  62                              size_t bits, const void *key,
  63                              unsigned char ivec[16], int *num,
  64                              int enc, block128_f block);
  65
  66 size_t CRYPTO_cts128_encrypt_block(const unsigned char *in,
  67                                    unsigned char *out, size_t len,
  68                                    const void *key, unsigned char ivec[16],
  69                                    block128_f block);
  70 size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
  71                              size_t len, const void *key,
  72                              unsigned char ivec[16], cbc128_f cbc);
  73 size_t CRYPTO_cts128_decrypt_block(const unsigned char *in,
  74                                    unsigned char *out, size_t len,
  75                                    const void *key, unsigned char ivec[16],
  76                                    block128_f block);
  77 size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
  78                              size_t len, const void *key,
  79                              unsigned char ivec[16], cbc128_f cbc);
  80
  81 size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in,
  82                                        unsigned char *out, size_t len,
  83                                        const void *key,
  84                                        unsigned char ivec[16],
  85                                        block128_f block);
  86 size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
  87                                  size_t len, const void *key,
  88                                  unsigned char ivec[16], cbc128_f cbc);
  89 size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in,
  90                                        unsigned char *out, size_t len,
  91                                        const void *key,
  92                                        unsigned char ivec[16],
  93                                        block128_f block);
  94 size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
  95                                  size_t len, const void *key,
  96                                  unsigned char ivec[16], cbc128_f cbc);
  97
  98 typedef struct gcm128_context GCM128_CONTEXT;
  99
 100 GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
 101 void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
 102 void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
 103                          size_t len);
 104 int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
 105                       size_t len);
 106 int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
 107                           const unsigned char *in, unsigned char *out,
 108                           size_t len);
 109 int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
 110                           const unsigned char *in, unsigned char *out,
 111                           size_t len);
 112 int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
 113                                 const unsigned char *in, unsigned char *out,
 114                                 size_t len, ctr128_f stream);
 115 int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
 116                                 const unsigned char *in, unsigned char *out,
 117                                 size_t len, ctr128_f stream);
 118 int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
 119                          size_t len);
 120 void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
 121 void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
 122
 123 typedef struct ccm128_context CCM128_CONTEXT;
 124
 125 void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
 126                         unsigned int M, unsigned int L, void *key,
 127                         block128_f block);
 128 int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx, const unsigned char *nonce,
 129                         size_t nlen, size_t mlen);
 130 void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx, const unsigned char *aad,
 131                        size_t alen);
 132 int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
 133                           unsigned char *out, size_t len);
 134 int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
 135                           unsigned char *out, size_t len);
 136 int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
 137                                 unsigned char *out, size_t len,
 138                                 ccm128_f stream);
 139 int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
 140                                 unsigned char *out, size_t len,
 141                                 ccm128_f stream);
 142 size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
 143
 144 typedef struct xts128_context XTS128_CONTEXT;
 145
 146 int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx,
 147                           const unsigned char iv[16],
 148                           const unsigned char *inp, unsigned char *out,
 149                           size_t len, int enc);
 150
 151 size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
 152                        unsigned char *out,
 153                        const unsigned char *in, size_t inlen,
 154                        block128_f block);
 155
 156 size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
 157                          unsigned char *out,
 158                          const unsigned char *in, size_t inlen,
 159                          block128_f block);
 160 size_t CRYPTO_128_wrap_pad(void *key, const unsigned char *icv,
 161                            unsigned char *out, const unsigned char *in,
 162                            size_t inlen, block128_f block);
 163 size_t CRYPTO_128_unwrap_pad(void *key, const unsigned char *icv,
 164                              unsigned char *out, const unsigned char *in,
 165                              size_t inlen, block128_f block);
 166
 167 #ifndef OPENSSL_NO_OCB
 168 typedef struct ocb128_context OCB128_CONTEXT;
 169
 170 OCB128_CONTEXT *CRYPTO_ocb128_new(void *keyenc, void *keydec,
 171                                   block128_f encrypt, block128_f decrypt);
 172 int CRYPTO_ocb128_init(OCB128_CONTEXT *ctx, void *keyenc, void *keydec,
 173                        block128_f encrypt, block128_f decrypt);
 174 int CRYPTO_ocb128_copy_ctx(OCB128_CONTEXT *dest, OCB128_CONTEXT *src,
 175                            void *keyenc, void *keydec);
 176 int CRYPTO_ocb128_setiv(OCB128_CONTEXT *ctx, const unsigned char *iv,
 177                         size_t len, size_t taglen);
 178 int CRYPTO_ocb128_aad(OCB128_CONTEXT *ctx, const unsigned char *aad,
 179                       size_t len);
 180 int CRYPTO_ocb128_encrypt(OCB128_CONTEXT *ctx, const unsigned char *in,
 181                           unsigned char *out, size_t len);
 182 int CRYPTO_ocb128_decrypt(OCB128_CONTEXT *ctx, const unsigned char *in,
 183                           unsigned char *out, size_t len);
 184 int CRYPTO_ocb128_finish(OCB128_CONTEXT *ctx, const unsigned char *tag,
 185                          size_t len);
 186 int CRYPTO_ocb128_tag(OCB128_CONTEXT *ctx, unsigned char *tag, size_t len);
 187 void CRYPTO_ocb128_cleanup(OCB128_CONTEXT *ctx);
 188 #endif                          /* OPENSSL_NO_OCB */
 189
 190 #ifdef  __cplusplus
 191 }
 192 #endif