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2155bb238f
Keep xform.c as a meta-file including the broken out bits existing code that includes xform.c continues to work as normal Individual algorithms can now be reused elsewhere, including outside of the kernel Reviewed by: bapt (previous version), gnn, delphij Approved by: secteam MFC after: 1 week Sponsored by: ScaleEngine Inc. Differential Revision: https://reviews.freebsd.org/D4674
93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/* $FreeBSD$ */
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/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */
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/*-
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* The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
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*
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* This code was written by Angelos D. Keromytis in Athens, Greece, in
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* February 2000. Network Security Technologies Inc. (NSTI) kindly
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* supported the development of this code.
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*
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* Copyright (c) 2000 Angelos D. Keromytis
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* Copyright (c) 2014 The FreeBSD Foundation
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* All rights reserved.
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*
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* Portions of this software were developed by John-Mark Gurney
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* under sponsorship of the FreeBSD Foundation and
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* Rubicon Communications, LLC (Netgate).
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*
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* Permission to use, copy, and modify this software without fee
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* is hereby granted, provided that this entire notice is included in
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* all source code copies of any software which is or includes a copy or
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* modification of this software.
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*
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
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* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
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* PURPOSE.
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*/
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#ifndef _CRYPTO_XFORM_ENC_H_
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#define _CRYPTO_XFORM_ENC_H_
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#include <sys/malloc.h>
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#include <sys/errno.h>
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#include <crypto/blowfish/blowfish.h>
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#include <crypto/des/des.h>
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#include <crypto/rijndael/rijndael.h>
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#include <crypto/camellia/camellia.h>
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#include <opencrypto/cast.h>
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#include <opencrypto/skipjack.h>
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#include <opencrypto/cryptodev.h>
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#include <opencrypto/xform_userland.h>
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#define AESICM_BLOCKSIZE AES_BLOCK_LEN
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#define AES_XTS_BLOCKSIZE 16
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#define AES_XTS_IVSIZE 8
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#define AES_XTS_ALPHA 0x87 /* GF(2^128) generator polynomial */
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/* Declarations */
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struct enc_xform {
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int type;
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char *name;
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u_int16_t blocksize;
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u_int16_t ivsize;
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u_int16_t minkey, maxkey;
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void (*encrypt) (caddr_t, u_int8_t *);
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void (*decrypt) (caddr_t, u_int8_t *);
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int (*setkey) (u_int8_t **, u_int8_t *, int len);
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void (*zerokey) (u_int8_t **);
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void (*reinit) (caddr_t, u_int8_t *);
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};
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extern struct enc_xform enc_xform_null;
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extern struct enc_xform enc_xform_des;
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extern struct enc_xform enc_xform_3des;
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extern struct enc_xform enc_xform_blf;
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extern struct enc_xform enc_xform_cast5;
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extern struct enc_xform enc_xform_skipjack;
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extern struct enc_xform enc_xform_rijndael128;
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extern struct enc_xform enc_xform_aes_icm;
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extern struct enc_xform enc_xform_aes_nist_gcm;
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extern struct enc_xform enc_xform_aes_nist_gmac;
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extern struct enc_xform enc_xform_aes_xts;
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extern struct enc_xform enc_xform_arc4;
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extern struct enc_xform enc_xform_camellia;
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struct aes_icm_ctx {
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u_int32_t ac_ek[4*(RIJNDAEL_MAXNR + 1)];
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/* ac_block is initalized to IV */
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u_int8_t ac_block[AESICM_BLOCKSIZE];
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int ac_nr;
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};
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struct aes_xts_ctx {
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rijndael_ctx key1;
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rijndael_ctx key2;
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u_int8_t tweak[AES_XTS_BLOCKSIZE];
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};
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#endif /* _CRYPTO_XFORM_ENC_H_ */
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