1 /* 2 * Copyright 2010-2020 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 OPENSSL_CMAC_H 11 # define OPENSSL_CMAC_H 12 # pragma once 13 14 # include <openssl/macros.h> 15 # ifndef OPENSSL_NO_DEPRECATED_3_0 16 # define HEADER_CMAC_H 17 # endif 18 19 # ifndef OPENSSL_NO_CMAC 20 21 # ifdef __cplusplus 22 extern "C" { 23 # endif 24 25 # include <openssl/evp.h> 26 27 # ifndef OPENSSL_NO_DEPRECATED_3_0 28 /* Opaque */ 29 typedef struct CMAC_CTX_st CMAC_CTX; 30 # endif 31 # ifndef OPENSSL_NO_DEPRECATED_3_0 32 OSSL_DEPRECATEDIN_3_0 CMAC_CTX *CMAC_CTX_new(void); 33 OSSL_DEPRECATEDIN_3_0 void CMAC_CTX_cleanup(CMAC_CTX *ctx); 34 OSSL_DEPRECATEDIN_3_0 void CMAC_CTX_free(CMAC_CTX *ctx); 35 OSSL_DEPRECATEDIN_3_0 EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx); 36 OSSL_DEPRECATEDIN_3_0 int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in); 37 OSSL_DEPRECATEDIN_3_0 int CMAC_Init(CMAC_CTX *ctx, 38 const void *key, size_t keylen, 39 const EVP_CIPHER *cipher, ENGINE *impl); 40 OSSL_DEPRECATEDIN_3_0 int CMAC_Update(CMAC_CTX *ctx, 41 const void *data, size_t dlen); 42 OSSL_DEPRECATEDIN_3_0 int CMAC_Final(CMAC_CTX *ctx, 43 unsigned char *out, size_t *poutlen); 44 OSSL_DEPRECATEDIN_3_0 int CMAC_resume(CMAC_CTX *ctx); 45 # endif 46 47 # ifdef __cplusplus 48 } 49 # endif 50 51 # endif 52 #endif 53