1 /* 2 * Copyright 2019-2021 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 const OSSL_DISPATCH ossl_##alg##kbits##lc##_functions[] = { \ 27 { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))alg##kbits##lc##_newctx }, \ 28 { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))alg##_##lc##_freectx }, \ 29 { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))ossl_##lc##_einit }, \ 30 { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_##lc##_dinit }, \ 31 { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))ossl_##lc##_stream_update }, \ 32 { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))ossl_##lc##_stream_final }, \ 33 { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_##lc##_cipher }, \ 34 { OSSL_FUNC_CIPHER_GET_PARAMS, \ 35 (void (*)(void)) alg##_##kbits##_##lc##_get_params }, \ 36 { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \ 37 (void (*)(void)) ossl_##lc##_get_ctx_params }, \ 38 { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \ 39 (void (*)(void)) ossl_##lc##_set_ctx_params }, \ 40 { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \ 41 (void (*)(void))ossl_cipher_generic_gettable_params }, \ 42 { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \ 43 (void (*)(void))ossl_cipher_aead_gettable_ctx_params }, \ 44 { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \ 45 (void (*)(void))ossl_cipher_aead_settable_ctx_params }, \ 46 { 0, NULL } \ 47 } 48