Home | History | Annotate | Line # | Download | only in prov 
      1 /*
      2  * Copyright 2019-2024 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 #define UNINITIALISED_SIZET ((size_t)-1)
     11 
     12 #define AEAD_FLAGS (PROV_CIPHER_FLAG_AEAD | PROV_CIPHER_FLAG_CUSTOM_IV)
     13 
     14 #define IMPLEMENT_aead_cipher(alg, lc, UCMODE, flags, kbits, blkbits, ivbits)  \
     15 static OSSL_FUNC_cipher_get_params_fn alg##_##kbits##_##lc##_get_params;       \
     16 static int alg##_##kbits##_##lc##_get_params(OSSL_PARAM params[])              \
     17 {                                                                              \
     18     return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE,    \
     19                                           flags, kbits, blkbits, ivbits);      \
     20 }                                                                              \
     21 static OSSL_FUNC_cipher_newctx_fn alg##kbits##lc##_newctx;                     \
     22 static void * alg##kbits##lc##_newctx(void *provctx)                           \
     23 {                                                                              \
     24     return alg##_##lc##_newctx(provctx, kbits);                                \
     25 }                                                                              \
     26 static void * alg##kbits##lc##_dupctx(void *src)                               \
     27 {                                                                              \
     28     return alg##_##lc##_dupctx(src);                                           \
     29 }                                                                              \
     30 const OSSL_DISPATCH ossl_##alg##kbits##lc##_functions[] = {                    \
     31     { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))alg##kbits##lc##_newctx },      \
     32     { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))alg##_##lc##_freectx },        \
     33     { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))alg##kbits##lc##_dupctx },      \
     34     { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))ossl_##lc##_einit },      \
     35     { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_##lc##_dinit },      \
     36     { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))ossl_##lc##_stream_update },    \
     37     { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))ossl_##lc##_stream_final },      \
     38     { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_##lc##_cipher },           \
     39     { OSSL_FUNC_CIPHER_GET_PARAMS,                                             \
     40       (void (*)(void)) alg##_##kbits##_##lc##_get_params },                    \
     41     { OSSL_FUNC_CIPHER_GET_CTX_PARAMS,                                         \
     42       (void (*)(void)) ossl_##lc##_get_ctx_params },                           \
     43     { OSSL_FUNC_CIPHER_SET_CTX_PARAMS,                                         \
     44       (void (*)(void)) ossl_##lc##_set_ctx_params },                           \
     45     { OSSL_FUNC_CIPHER_GETTABLE_PARAMS,                                        \
     46       (void (*)(void))ossl_cipher_generic_gettable_params },                   \
     47     { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS,                                    \
     48       (void (*)(void))ossl_cipher_aead_gettable_ctx_params },                  \
     49     { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS,                                    \
     50       (void (*)(void))ossl_cipher_aead_settable_ctx_params },                  \
     51     { 0, NULL }                                                                \
     52 }
     53