1 /* 2 * Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (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 HEADER_CMAC_H 11 # define HEADER_CMAC_H 12 13 # ifndef OPENSSL_NO_CMAC 14 15 #ifdef __cplusplus 16 extern "C" { 17 #endif 18 19 # include <openssl/evp.h> 20 21 /* Opaque */ 22 typedef struct CMAC_CTX_st CMAC_CTX; 23 24 CMAC_CTX *CMAC_CTX_new(void); 25 void CMAC_CTX_cleanup(CMAC_CTX *ctx); 26 void CMAC_CTX_free(CMAC_CTX *ctx); 27 EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx); 28 int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in); 29 30 int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen, 31 const EVP_CIPHER *cipher, ENGINE *impl); 32 int CMAC_Update(CMAC_CTX *ctx, const void *data, size_t dlen); 33 int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen); 34 int CMAC_resume(CMAC_CTX *ctx); 35 36 #ifdef __cplusplus 37 } 38 #endif 39 40 # endif 41 #endif 42