diff options
Diffstat (limited to 'FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/cmac.h')
-rw-r--r-- | FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/cmac.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/cmac.h b/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/cmac.h new file mode 100644 index 000000000..80f13ce97 --- /dev/null +++ b/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/cmac.h @@ -0,0 +1,97 @@ +/* cmac.h + * + * Copyright (C) 2006-2020 wolfSSL Inc. + * + * This file is part of wolfSSL. + * + * wolfSSL is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * wolfSSL is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA + */ + + +#ifndef WOLF_CRYPT_CMAC_H +#define WOLF_CRYPT_CMAC_H + +#include <wolfssl/wolfcrypt/types.h> +#include <wolfssl/wolfcrypt/aes.h> + +#if !defined(NO_AES) && defined(WOLFSSL_CMAC) + +#if defined(HAVE_FIPS) && \ + defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2) + #include <wolfssl/wolfcrypt/fips.h> +#endif /* HAVE_FIPS_VERSION >= 2 */ + +#ifdef __cplusplus + extern "C" { +#endif + +/* avoid redefinition of structs */ +#if !defined(HAVE_FIPS) || \ + (defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)) + +#ifndef WC_CMAC_TYPE_DEFINED + typedef struct Cmac Cmac; + #define WC_CMAC_TYPE_DEFINED +#endif +struct Cmac { + Aes aes; + byte buffer[AES_BLOCK_SIZE]; /* partially stored block */ + byte digest[AES_BLOCK_SIZE]; /* running digest */ + byte k1[AES_BLOCK_SIZE]; + byte k2[AES_BLOCK_SIZE]; + word32 bufferSz; + word32 totalSz; +}; + + + +typedef enum CmacType { + WC_CMAC_AES = 1 +} CmacType; + +#define WC_CMAC_TAG_MAX_SZ AES_BLOCK_SIZE +#define WC_CMAC_TAG_MIN_SZ (AES_BLOCK_SIZE/4) + +#endif /* HAVE_FIPS */ + +WOLFSSL_API +int wc_InitCmac(Cmac* cmac, + const byte* key, word32 keySz, + int type, void* unused); +WOLFSSL_API +int wc_CmacUpdate(Cmac* cmac, + const byte* in, word32 inSz); +WOLFSSL_API +int wc_CmacFinal(Cmac* cmac, + byte* out, word32* outSz); + +WOLFSSL_API +int wc_AesCmacGenerate(byte* out, word32* outSz, + const byte* in, word32 inSz, + const byte* key, word32 keySz); + +WOLFSSL_API +int wc_AesCmacVerify(const byte* check, word32 checkSz, + const byte* in, word32 inSz, + const byte* key, word32 keySz); + +#ifdef __cplusplus + } /* extern "C" */ +#endif + + +#endif /* NO_AES && WOLFSSL_CMAC */ +#endif /* WOLF_CRYPT_CMAC_H */ + |