1 /* 2 * Copyright 2019-2023 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 #ifndef OSSL_PROV_CIPHERCOMMON_AEAD_H 11 #define OSSL_PROV_CIPHERCOMMON_AEAD_H 12 #pragma once 13 14 #define UNINITIALISED_SIZET ((size_t)-1) 15 16 #define AEAD_FLAGS (PROV_CIPHER_FLAG_AEAD | PROV_CIPHER_FLAG_CUSTOM_IV) 17 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[]) \ 21 { \ 22 return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, \ 23 flags, kbits, blkbits, ivbits); \ 24 } \ 25 static OSSL_FUNC_cipher_newctx_fn alg##kbits##lc##_newctx; \ 26 static void *alg##kbits##lc##_newctx(void *provctx) \ 27 { \ 28 return alg##_##lc##_newctx(provctx, kbits); \ 29 } \ 30 static void *alg##kbits##lc##_dupctx(void *src) \ 31 { \ 32 return alg##_##lc##_dupctx(src); \ 33 } \ 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 }, \ 55 OSSL_DISPATCH_END \ 56 } 57 58 #endif 59