wolf SSL / wolfSSL

wolfSSL SSL/TLS library, support up to TLS1.3

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wolfssl/wolfcrypt/cmac.h@13:f67a6c6013ca, 2017-08-22 (annotated)

Committer:
wolfSSL
Date:
Tue Aug 22 10:48:22 2017 +0000
Revision:
13:f67a6c6013ca
Parent:
11:cee25a834751 
wolfSSL3.12.0 with TLS1.3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 11:cee25a834751 1 /* cmac.h
wolfSSL 11:cee25a834751 2 *
wolfSSL 11:cee25a834751 3 * Copyright (C) 2006-2016 wolfSSL Inc.
wolfSSL 11:cee25a834751 4 *
wolfSSL 11:cee25a834751 5 * This file is part of wolfSSL.
wolfSSL 11:cee25a834751 6 *
wolfSSL 11:cee25a834751 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 11:cee25a834751 8 * it under the terms of the GNU General Public License as published by
wolfSSL 11:cee25a834751 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 11:cee25a834751 10 * (at your option) any later version.
wolfSSL 11:cee25a834751 11 *
wolfSSL 11:cee25a834751 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 11:cee25a834751 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 11:cee25a834751 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 11:cee25a834751 15 * GNU General Public License for more details.
wolfSSL 11:cee25a834751 16 *
wolfSSL 11:cee25a834751 17 * You should have received a copy of the GNU General Public License
wolfSSL 11:cee25a834751 18 * along with this program; if not, write to the Free Software
wolfSSL 11:cee25a834751 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 11:cee25a834751 20 */
wolfSSL 11:cee25a834751 21
wolfSSL 11:cee25a834751 22
wolfSSL 11:cee25a834751 23 #ifndef WOLF_CRYPT_CMAC_H
wolfSSL 11:cee25a834751 24 #define WOLF_CRYPT_CMAC_H
wolfSSL 11:cee25a834751 25
wolfSSL 11:cee25a834751 26 #include <wolfssl/wolfcrypt/types.h>
wolfSSL 11:cee25a834751 27 #include <wolfssl/wolfcrypt/aes.h>
wolfSSL 11:cee25a834751 28
wolfSSL 11:cee25a834751 29 #if !defined(NO_AES) && defined(WOLFSSL_CMAC)
wolfSSL 11:cee25a834751 30
wolfSSL 11:cee25a834751 31 #ifdef __cplusplus
wolfSSL 11:cee25a834751 32 extern "C" {
wolfSSL 11:cee25a834751 33 #endif
wolfSSL 11:cee25a834751 34
wolfSSL 11:cee25a834751 35 typedef struct Cmac {
wolfSSL 11:cee25a834751 36 Aes aes;
wolfSSL 11:cee25a834751 37 byte buffer[AES_BLOCK_SIZE]; /* partially stored block */
wolfSSL 11:cee25a834751 38 byte digest[AES_BLOCK_SIZE]; /* running digest */
wolfSSL 11:cee25a834751 39 byte k1[AES_BLOCK_SIZE];
wolfSSL 11:cee25a834751 40 byte k2[AES_BLOCK_SIZE];
wolfSSL 11:cee25a834751 41 word32 bufferSz;
wolfSSL 11:cee25a834751 42 word32 totalSz;
wolfSSL 11:cee25a834751 43 } Cmac;
wolfSSL 11:cee25a834751 44
wolfSSL 11:cee25a834751 45
wolfSSL 11:cee25a834751 46 typedef enum CmacType {
wolfSSL 11:cee25a834751 47 WC_CMAC_AES = 1
wolfSSL 11:cee25a834751 48 } CmacType;
wolfSSL 11:cee25a834751 49
wolfSSL 11:cee25a834751 50
wolfSSL 11:cee25a834751 51 WOLFSSL_API
wolfSSL 11:cee25a834751 52 int wc_InitCmac(Cmac* cmac,
wolfSSL 11:cee25a834751 53 const byte* key, word32 keySz,
wolfSSL 11:cee25a834751 54 int type, void* unused);
wolfSSL 11:cee25a834751 55 WOLFSSL_API
wolfSSL 11:cee25a834751 56 int wc_CmacUpdate(Cmac* cmac,
wolfSSL 11:cee25a834751 57 const byte* in, word32 inSz);
wolfSSL 11:cee25a834751 58 WOLFSSL_API
wolfSSL 11:cee25a834751 59 int wc_CmacFinal(Cmac* cmac,
wolfSSL 11:cee25a834751 60 byte* out, word32* outSz);
wolfSSL 11:cee25a834751 61
wolfSSL 11:cee25a834751 62 WOLFSSL_API
wolfSSL 11:cee25a834751 63 int wc_AesCmacGenerate(byte* out, word32* outSz,
wolfSSL 11:cee25a834751 64 const byte* in, word32 inSz,
wolfSSL 11:cee25a834751 65 const byte* key, word32 keySz);
wolfSSL 11:cee25a834751 66
wolfSSL 11:cee25a834751 67 WOLFSSL_API
wolfSSL 11:cee25a834751 68 int wc_AesCmacVerify(const byte* check, word32 checkSz,
wolfSSL 11:cee25a834751 69 const byte* in, word32 inSz,
wolfSSL 11:cee25a834751 70 const byte* key, word32 keySz);
wolfSSL 11:cee25a834751 71
wolfSSL 11:cee25a834751 72 #ifdef __cplusplus
wolfSSL 11:cee25a834751 73 } /* extern "C" */
wolfSSL 11:cee25a834751 74 #endif
wolfSSL 11:cee25a834751 75
wolfSSL 11:cee25a834751 76
wolfSSL 11:cee25a834751 77 #endif /* NO_AES && WOLFSSL_CMAC */
wolfSSL 11:cee25a834751 78 #endif /* WOLF_CRYPT_CMAC_H */
wolfSSL 11:cee25a834751 79
wolfSSL 11:cee25a834751 80