1*b077aed3SPierre Pronchery /* 2*b077aed3SPierre Pronchery * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. 3*b077aed3SPierre Pronchery * 4*b077aed3SPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use 5*b077aed3SPierre Pronchery * this file except in compliance with the License. You can obtain a copy 6*b077aed3SPierre Pronchery * in the file LICENSE in the source distribution or at 7*b077aed3SPierre Pronchery * https://www.openssl.org/source/license.html 8*b077aed3SPierre Pronchery */ 9*b077aed3SPierre Pronchery 10*b077aed3SPierre Pronchery #include <stdlib.h> 11*b077aed3SPierre Pronchery #include <openssl/crypto.h> 12*b077aed3SPierre Pronchery #include "internal/refcount.h" 13*b077aed3SPierre Pronchery 14*b077aed3SPierre Pronchery struct kdf_data_st { 15*b077aed3SPierre Pronchery OSSL_LIB_CTX *libctx; 16*b077aed3SPierre Pronchery CRYPTO_REF_COUNT refcnt; 17*b077aed3SPierre Pronchery CRYPTO_RWLOCK *lock; 18*b077aed3SPierre Pronchery }; 19*b077aed3SPierre Pronchery 20*b077aed3SPierre Pronchery typedef struct kdf_data_st KDF_DATA; 21*b077aed3SPierre Pronchery 22*b077aed3SPierre Pronchery KDF_DATA *ossl_kdf_data_new(void *provctx); 23*b077aed3SPierre Pronchery void ossl_kdf_data_free(KDF_DATA *kdfdata); 24*b077aed3SPierre Pronchery int ossl_kdf_data_up_ref(KDF_DATA *kdfdata); 25