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)  \
15static OSSL_FUNC_cipher_get_params_fn alg##_##kbits##_##lc##_get_params;       \
16static 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}                                                                              \
21static OSSL_FUNC_cipher_newctx_fn alg##kbits##lc##_newctx;                     \
22static void * alg##kbits##lc##_newctx(void *provctx)                           \
23{                                                                              \
24    return alg##_##lc##_newctx(provctx, kbits);                                \
25}                                                                              \
26static void * alg##kbits##lc##_dupctx(void *src)                               \
27{                                                                              \
28    return alg##_##lc##_dupctx(src);                                           \
29}                                                                              \
30const 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