Xuyi Wang / wolfcrypt

ssh lib

Dependents:   OS

wolfcrypt/cmac.h@1:e4ea39eba2fb, 2019-11-25 (annotated)

Committer:
sPymbed
Date:
Mon Nov 25 14:23:49 2019 +0000
Revision:
1:e4ea39eba2fb
Parent:
0:1387ff3eed4a 
improved

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sPymbed 0:1387ff3eed4a 1 /* cmac.h
sPymbed 0:1387ff3eed4a 2 *
sPymbed 0:1387ff3eed4a 3 * Copyright (C) 2006-2017 wolfSSL Inc.
sPymbed 0:1387ff3eed4a 4 *
sPymbed 0:1387ff3eed4a 5 * This file is part of wolfSSL.
sPymbed 0:1387ff3eed4a 6 *
sPymbed 0:1387ff3eed4a 7 * wolfSSL is free software; you can redistribute it and/or modify
sPymbed 0:1387ff3eed4a 8 * it under the terms of the GNU General Public License as published by
sPymbed 0:1387ff3eed4a 9 * the Free Software Foundation; either version 2 of the License, or
sPymbed 0:1387ff3eed4a 10 * (at your option) any later version.
sPymbed 0:1387ff3eed4a 11 *
sPymbed 0:1387ff3eed4a 12 * wolfSSL is distributed in the hope that it will be useful,
sPymbed 0:1387ff3eed4a 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
sPymbed 0:1387ff3eed4a 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
sPymbed 0:1387ff3eed4a 15 * GNU General Public License for more details.
sPymbed 0:1387ff3eed4a 16 *
sPymbed 0:1387ff3eed4a 17 * You should have received a copy of the GNU General Public License
sPymbed 0:1387ff3eed4a 18 * along with this program; if not, write to the Free Software
sPymbed 0:1387ff3eed4a 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
sPymbed 0:1387ff3eed4a 20 */
sPymbed 0:1387ff3eed4a 21
sPymbed 0:1387ff3eed4a 22
sPymbed 0:1387ff3eed4a 23 #ifndef WOLF_CRYPT_CMAC_H
sPymbed 0:1387ff3eed4a 24 #define WOLF_CRYPT_CMAC_H
sPymbed 0:1387ff3eed4a 25
sPymbed 0:1387ff3eed4a 26 #include <wolfcrypt/types.h>
sPymbed 0:1387ff3eed4a 27 #include <wolfcrypt/aes.h>
sPymbed 0:1387ff3eed4a 28
sPymbed 0:1387ff3eed4a 29 #if !defined(NO_AES) && defined(WOLFSSL_CMAC)
sPymbed 0:1387ff3eed4a 30
sPymbed 0:1387ff3eed4a 31 #if defined(HAVE_FIPS) && \
sPymbed 0:1387ff3eed4a 32 defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
sPymbed 0:1387ff3eed4a 33 #include <wolfssl/wolfcrypt/fips.h>
sPymbed 0:1387ff3eed4a 34 #endif /* HAVE_FIPS_VERSION >= 2 */
sPymbed 0:1387ff3eed4a 35
sPymbed 0:1387ff3eed4a 36 #ifdef __cplusplus
sPymbed 0:1387ff3eed4a 37 extern "C" {
sPymbed 0:1387ff3eed4a 38 #endif
sPymbed 0:1387ff3eed4a 39
sPymbed 0:1387ff3eed4a 40 /* avoid redefinition of structs */
sPymbed 0:1387ff3eed4a 41 #if !defined(HAVE_FIPS) || \
sPymbed 0:1387ff3eed4a 42 (defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
sPymbed 0:1387ff3eed4a 43
sPymbed 0:1387ff3eed4a 44 typedef struct Cmac {
sPymbed 0:1387ff3eed4a 45 Aes aes;
sPymbed 0:1387ff3eed4a 46 byte buffer[AES_BLOCK_SIZE]; /* partially stored block */
sPymbed 0:1387ff3eed4a 47 byte digest[AES_BLOCK_SIZE]; /* running digest */
sPymbed 0:1387ff3eed4a 48 byte k1[AES_BLOCK_SIZE];
sPymbed 0:1387ff3eed4a 49 byte k2[AES_BLOCK_SIZE];
sPymbed 0:1387ff3eed4a 50 word32 bufferSz;
sPymbed 0:1387ff3eed4a 51 word32 totalSz;
sPymbed 0:1387ff3eed4a 52 } Cmac;
sPymbed 0:1387ff3eed4a 53
sPymbed 0:1387ff3eed4a 54
sPymbed 0:1387ff3eed4a 55 typedef enum CmacType {
sPymbed 0:1387ff3eed4a 56 WC_CMAC_AES = 1
sPymbed 0:1387ff3eed4a 57 } CmacType;
sPymbed 0:1387ff3eed4a 58
sPymbed 0:1387ff3eed4a 59 #define WC_CMAC_TAG_MAX_SZ AES_BLOCK_SIZE
sPymbed 0:1387ff3eed4a 60 #define WC_CMAC_TAG_MIN_SZ (AES_BLOCK_SIZE/4)
sPymbed 0:1387ff3eed4a 61
sPymbed 0:1387ff3eed4a 62 #endif /* HAVE_FIPS */
sPymbed 0:1387ff3eed4a 63
sPymbed 0:1387ff3eed4a 64 WOLFSSL_API
sPymbed 0:1387ff3eed4a 65 int wc_InitCmac(Cmac* cmac,
sPymbed 0:1387ff3eed4a 66 const byte* key, word32 keySz,
sPymbed 0:1387ff3eed4a 67 int type, void* unused);
sPymbed 0:1387ff3eed4a 68 WOLFSSL_API
sPymbed 0:1387ff3eed4a 69 int wc_CmacUpdate(Cmac* cmac,
sPymbed 0:1387ff3eed4a 70 const byte* in, word32 inSz);
sPymbed 0:1387ff3eed4a 71 WOLFSSL_API
sPymbed 0:1387ff3eed4a 72 int wc_CmacFinal(Cmac* cmac,
sPymbed 0:1387ff3eed4a 73 byte* out, word32* outSz);
sPymbed 0:1387ff3eed4a 74
sPymbed 0:1387ff3eed4a 75 WOLFSSL_API
sPymbed 0:1387ff3eed4a 76 int wc_AesCmacGenerate(byte* out, word32* outSz,
sPymbed 0:1387ff3eed4a 77 const byte* in, word32 inSz,
sPymbed 0:1387ff3eed4a 78 const byte* key, word32 keySz);
sPymbed 0:1387ff3eed4a 79
sPymbed 0:1387ff3eed4a 80 WOLFSSL_API
sPymbed 0:1387ff3eed4a 81 int wc_AesCmacVerify(const byte* check, word32 checkSz,
sPymbed 0:1387ff3eed4a 82 const byte* in, word32 inSz,
sPymbed 0:1387ff3eed4a 83 const byte* key, word32 keySz);
sPymbed 0:1387ff3eed4a 84
sPymbed 0:1387ff3eed4a 85 #ifdef __cplusplus
sPymbed 0:1387ff3eed4a 86 } /* extern "C" */
sPymbed 0:1387ff3eed4a 87 #endif
sPymbed 0:1387ff3eed4a 88
sPymbed 0:1387ff3eed4a 89
sPymbed 0:1387ff3eed4a 90 #endif /* NO_AES && WOLFSSL_CMAC */
sPymbed 0:1387ff3eed4a 91 #endif /* WOLF_CRYPT_CMAC_H */
sPymbed 0:1387ff3eed4a 92
sPymbed 0:1387ff3eed4a 93