wolf SSL / wolfSSL

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

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wolfssl/wolfcrypt/cmac.h@17:a5f916481144, 2020-06-05 (annotated)

Committer:
wolfSSL
Date:
Fri Jun 05 00:11:07 2020 +0000
Revision:
17:a5f916481144
Parent:
16:8e0d178b1d1e 
wolfSSL 4.4.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 15:117db924cf7c 1 /* cmac.h
wolfSSL 15:117db924cf7c 2 *
wolfSSL 16:8e0d178b1d1e 3 * Copyright (C) 2006-2020 wolfSSL Inc.
wolfSSL 15:117db924cf7c 4 *
wolfSSL 15:117db924cf7c 5 * This file is part of wolfSSL.
wolfSSL 15:117db924cf7c 6 *
wolfSSL 15:117db924cf7c 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 15:117db924cf7c 8 * it under the terms of the GNU General Public License as published by
wolfSSL 15:117db924cf7c 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 15:117db924cf7c 10 * (at your option) any later version.
wolfSSL 15:117db924cf7c 11 *
wolfSSL 15:117db924cf7c 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 15:117db924cf7c 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 15:117db924cf7c 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 15:117db924cf7c 15 * GNU General Public License for more details.
wolfSSL 15:117db924cf7c 16 *
wolfSSL 15:117db924cf7c 17 * You should have received a copy of the GNU General Public License
wolfSSL 15:117db924cf7c 18 * along with this program; if not, write to the Free Software
wolfSSL 15:117db924cf7c 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 15:117db924cf7c 20 */
wolfSSL 15:117db924cf7c 21
wolfSSL 15:117db924cf7c 22
wolfSSL 15:117db924cf7c 23 #ifndef WOLF_CRYPT_CMAC_H
wolfSSL 15:117db924cf7c 24 #define WOLF_CRYPT_CMAC_H
wolfSSL 15:117db924cf7c 25
wolfSSL 15:117db924cf7c 26 #include <wolfssl/wolfcrypt/types.h>
wolfSSL 15:117db924cf7c 27 #include <wolfssl/wolfcrypt/aes.h>
wolfSSL 15:117db924cf7c 28
wolfSSL 15:117db924cf7c 29 #if !defined(NO_AES) && defined(WOLFSSL_CMAC)
wolfSSL 15:117db924cf7c 30
wolfSSL 15:117db924cf7c 31 #if defined(HAVE_FIPS) && \
wolfSSL 15:117db924cf7c 32 defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
wolfSSL 15:117db924cf7c 33 #include <wolfssl/wolfcrypt/fips.h>
wolfSSL 15:117db924cf7c 34 #endif /* HAVE_FIPS_VERSION >= 2 */
wolfSSL 15:117db924cf7c 35
wolfSSL 15:117db924cf7c 36 #ifdef __cplusplus
wolfSSL 15:117db924cf7c 37 extern "C" {
wolfSSL 15:117db924cf7c 38 #endif
wolfSSL 15:117db924cf7c 39
wolfSSL 15:117db924cf7c 40 /* avoid redefinition of structs */
wolfSSL 15:117db924cf7c 41 #if !defined(HAVE_FIPS) || \
wolfSSL 15:117db924cf7c 42 (defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
wolfSSL 15:117db924cf7c 43
wolfSSL 16:8e0d178b1d1e 44 #ifndef WC_CMAC_TYPE_DEFINED
wolfSSL 16:8e0d178b1d1e 45 typedef struct Cmac Cmac;
wolfSSL 16:8e0d178b1d1e 46 #define WC_CMAC_TYPE_DEFINED
wolfSSL 16:8e0d178b1d1e 47 #endif
wolfSSL 16:8e0d178b1d1e 48 struct Cmac {
wolfSSL 15:117db924cf7c 49 Aes aes;
wolfSSL 15:117db924cf7c 50 byte buffer[AES_BLOCK_SIZE]; /* partially stored block */
wolfSSL 15:117db924cf7c 51 byte digest[AES_BLOCK_SIZE]; /* running digest */
wolfSSL 15:117db924cf7c 52 byte k1[AES_BLOCK_SIZE];
wolfSSL 15:117db924cf7c 53 byte k2[AES_BLOCK_SIZE];
wolfSSL 15:117db924cf7c 54 word32 bufferSz;
wolfSSL 15:117db924cf7c 55 word32 totalSz;
wolfSSL 16:8e0d178b1d1e 56 };
wolfSSL 16:8e0d178b1d1e 57
wolfSSL 15:117db924cf7c 58
wolfSSL 15:117db924cf7c 59
wolfSSL 15:117db924cf7c 60 typedef enum CmacType {
wolfSSL 15:117db924cf7c 61 WC_CMAC_AES = 1
wolfSSL 15:117db924cf7c 62 } CmacType;
wolfSSL 15:117db924cf7c 63
wolfSSL 15:117db924cf7c 64 #define WC_CMAC_TAG_MAX_SZ AES_BLOCK_SIZE
wolfSSL 15:117db924cf7c 65 #define WC_CMAC_TAG_MIN_SZ (AES_BLOCK_SIZE/4)
wolfSSL 15:117db924cf7c 66
wolfSSL 15:117db924cf7c 67 #endif /* HAVE_FIPS */
wolfSSL 15:117db924cf7c 68
wolfSSL 15:117db924cf7c 69 WOLFSSL_API
wolfSSL 15:117db924cf7c 70 int wc_InitCmac(Cmac* cmac,
wolfSSL 15:117db924cf7c 71 const byte* key, word32 keySz,
wolfSSL 15:117db924cf7c 72 int type, void* unused);
wolfSSL 15:117db924cf7c 73 WOLFSSL_API
wolfSSL 15:117db924cf7c 74 int wc_CmacUpdate(Cmac* cmac,
wolfSSL 15:117db924cf7c 75 const byte* in, word32 inSz);
wolfSSL 15:117db924cf7c 76 WOLFSSL_API
wolfSSL 15:117db924cf7c 77 int wc_CmacFinal(Cmac* cmac,
wolfSSL 15:117db924cf7c 78 byte* out, word32* outSz);
wolfSSL 15:117db924cf7c 79
wolfSSL 15:117db924cf7c 80 WOLFSSL_API
wolfSSL 15:117db924cf7c 81 int wc_AesCmacGenerate(byte* out, word32* outSz,
wolfSSL 15:117db924cf7c 82 const byte* in, word32 inSz,
wolfSSL 15:117db924cf7c 83 const byte* key, word32 keySz);
wolfSSL 15:117db924cf7c 84
wolfSSL 15:117db924cf7c 85 WOLFSSL_API
wolfSSL 15:117db924cf7c 86 int wc_AesCmacVerify(const byte* check, word32 checkSz,
wolfSSL 15:117db924cf7c 87 const byte* in, word32 inSz,
wolfSSL 15:117db924cf7c 88 const byte* key, word32 keySz);
wolfSSL 15:117db924cf7c 89
wolfSSL 15:117db924cf7c 90 #ifdef __cplusplus
wolfSSL 15:117db924cf7c 91 } /* extern "C" */
wolfSSL 15:117db924cf7c 92 #endif
wolfSSL 15:117db924cf7c 93
wolfSSL 15:117db924cf7c 94
wolfSSL 15:117db924cf7c 95 #endif /* NO_AES && WOLFSSL_CMAC */
wolfSSL 15:117db924cf7c 96 #endif /* WOLF_CRYPT_CMAC_H */
wolfSSL 15:117db924cf7c 97
wolfSSL 15:117db924cf7c 98