Changeset View
Changeset View
Standalone View
Standalone View
sys/opencrypto/ccm-cbc.h
- This file was added.
| /* | |||||
| * Copyright (c) 2014 The FreeBSD Foundation | |||||
| * Copyright (c) 2018, iXsystems Inc. | |||||
| * All rights reserved. | |||||
| * | |||||
| * This software was developed by Sean Eric Fagan, with lots of references | |||||
| * to existing AES-CCM (gmac) code. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice, this list of conditions and the following disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
| * SUCH DAMAGE. | |||||
| * | |||||
| * $FreeBSD$ | |||||
| * | |||||
| */ | |||||
| #ifndef _CCM_H | |||||
| # define _CCM_H | |||||
| # include <sys/types.h> | |||||
| # include <crypto/rijndael/rijndael.h> | |||||
| # define CCM_CBC_BLOCK_LEN 16 /* 128 bits */ | |||||
| # define CCM_CBC_MAX_DIGEST_LEN 16 | |||||
| # define CCM_CBC_MIN_DIGEST_LEN 4 | |||||
| /* | |||||
| * This is the authentication context structure; | |||||
| * the encryption one is similar. | |||||
| */ | |||||
| struct aes_cbc_mac_ctx { | |||||
| uint64_t authDataLength, authDataCount; | |||||
| uint64_t cryptDataLength; | |||||
| int tagLength; | |||||
| int blockIndex; | |||||
| uint8_t staging_block[CCM_CBC_BLOCK_LEN]; | |||||
| uint8_t block[CCM_CBC_BLOCK_LEN]; | |||||
| const uint8_t *aes_key; | |||||
| int keyLength; /* This will be in bits, not bytes! */ | |||||
| const uint8_t *nonce; | |||||
| int nonceLength; /* This one is in bytes, not bits! */ | |||||
| /* AES state data */ | |||||
| int rounds; | |||||
| uint32_t keysched[4*(RIJNDAEL_MAXNR+1)]; | |||||
| }; | |||||
| void AES_CBC_MAC_Init(struct aes_cbc_mac_ctx *); | |||||
| void AES_CBC_MAC_Setkey(struct aes_cbc_mac_ctx *, const uint8_t *, uint16_t); | |||||
| void AES_CBC_MAC_Reinit(struct aes_cbc_mac_ctx *, const uint8_t *, uint16_t); | |||||
| int AES_CBC_MAC_Update(struct aes_cbc_mac_ctx *, const uint8_t *, uint16_t); | |||||
| void AES_CBC_MAC_Final(uint8_t *, struct aes_cbc_mac_ctx *); | |||||
| #endif /* _CCM_H */ | |||||