2 * Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
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
10 #ifndef OSSL_PROV_CIPHERCOMMON_AEAD_H
11 # define OSSL_PROV_CIPHERCOMMON_AEAD_H
14 # define UNINITIALISED_SIZET ((size_t)-1)
16 # define AEAD_FLAGS (PROV_CIPHER_FLAG_AEAD | PROV_CIPHER_FLAG_CUSTOM_IV)
18 # define IMPLEMENT_aead_cipher(alg, lc, UCMODE, flags, kbits, blkbits, ivbits) \
19 static OSSL_FUNC_cipher_get_params_fn alg##_##kbits##_##lc##_get_params; \
20 static int alg##_##kbits##_##lc##_get_params(OSSL_PARAM params[]) \
22 return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, \
23 flags, kbits, blkbits, ivbits); \
25 static OSSL_FUNC_cipher_newctx_fn alg##kbits##lc##_newctx; \
26 static void * alg##kbits##lc##_newctx(void *provctx) \
28 return alg##_##lc##_newctx(provctx, kbits); \
30 static void * alg##kbits##lc##_dupctx(void *src) \
32 return alg##_##lc##_dupctx(src); \
34 const OSSL_DISPATCH ossl_##alg##kbits##lc##_functions[] = { \
35 { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))alg##kbits##lc##_newctx }, \
36 { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))alg##_##lc##_freectx }, \
37 { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))alg##kbits##lc##_dupctx }, \
38 { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))ossl_##lc##_einit }, \
39 { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_##lc##_dinit }, \
40 { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))ossl_##lc##_stream_update }, \
41 { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))ossl_##lc##_stream_final }, \
42 { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_##lc##_cipher }, \
43 { OSSL_FUNC_CIPHER_GET_PARAMS, \
44 (void (*)(void)) alg##_##kbits##_##lc##_get_params }, \
45 { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
46 (void (*)(void)) ossl_##lc##_get_ctx_params }, \
47 { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
48 (void (*)(void)) ossl_##lc##_set_ctx_params }, \
49 { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
50 (void (*)(void))ossl_cipher_generic_gettable_params }, \
51 { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
52 (void (*)(void))ossl_cipher_aead_gettable_ctx_params }, \
53 { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
54 (void (*)(void))ossl_cipher_aead_settable_ctx_params }, \