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xform.c
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xform.c
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/* $NetBSD: xform.c,v 1.15 2005/11/25 16:16:46 thorpej Exp $ */
/* $FreeBSD: src/sys/opencrypto/xform.c,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $ */
/* $OpenBSD: xform.c,v 1.19 2002/08/16 22:47:25 dhartmei Exp $ */
/*
* The authors of this code are John Ioannidis (ji@tla.org),
* Angelos D. Keromytis (kermit@csd.uch.gr) and
* Niels Provos (provos@physnet.uni-hamburg.de).
*
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
* in November 1995.
*
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
* by Angelos D. Keromytis.
*
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
* and Niels Provos.
*
* Additional features in 1999 by Angelos D. Keromytis.
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
* Angelos D. Keromytis and Niels Provos.
*
* Copyright (C) 2001, Angelos D. Keromytis.
*
* Permission to use, copy, and modify this software with or without fee
* is hereby granted, provided that this entire notice is included in
* all copies of any software which is or includes a copy or
* modification of this software.
* You may use this code under the GNU public license if you so wish. Please
* contribute changes back to the authors under this freer than GPL license
* so that we may further the use of strong encryption without limitations to
* all.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
* PURPOSE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xform.c,v 1.15 2005/11/25 16:16:46 thorpej Exp $");
#include <sys/param.h>
#include <sys/malloc.h>
#include <opencrypto/cryptodev.h>
#include <opencrypto/xform.h>
MALLOC_DEFINE(M_XDATA, "xform", "xform data buffers");
const u_int8_t hmac_ipad_buffer[64] = {
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36
};
const u_int8_t hmac_opad_buffer[64] = {
0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C
};
/* Encryption instances */
struct enc_xform enc_xform_null = {
CRYPTO_NULL_CBC, "NULL",
/* NB: blocksize of 4 is to generate a properly aligned ESP header */
4, 0, 256 /* 2048 bits, max key */
};
struct enc_xform enc_xform_des = {
CRYPTO_DES_CBC, "DES",
8, 8, 8
};
struct enc_xform enc_xform_3des = {
CRYPTO_3DES_CBC, "3DES",
8, 24, 24
};
struct enc_xform enc_xform_blf = {
CRYPTO_BLF_CBC, "Blowfish",
8, 5, 56 /* 448 bits, max key */
};
struct enc_xform enc_xform_cast5 = {
CRYPTO_CAST_CBC, "CAST-128",
8, 5, 16
};
struct enc_xform enc_xform_skipjack = {
CRYPTO_SKIPJACK_CBC, "Skipjack",
8, 10, 10
};
struct enc_xform enc_xform_rijndael128 = {
CRYPTO_RIJNDAEL128_CBC, "Rijndael-128/AES",
16, 8, 32
};
struct enc_xform enc_xform_arc4 = {
CRYPTO_ARC4, "ARC4",
1, 1, 32
};
/* Authentication instances */
struct auth_hash auth_hash_null = {
CRYPTO_NULL_HMAC, "NULL-HMAC",
0, 0, 12, sizeof(int) /* NB: context isn't used */
};
struct auth_hash auth_hash_hmac_md5_96 = {
CRYPTO_MD5_HMAC, "HMAC-MD5",
16, 16, 12, sizeof(MD5_CTX)
};
struct auth_hash auth_hash_hmac_sha1_96 = {
CRYPTO_SHA1_HMAC, "HMAC-SHA1",
20, 20, 12, sizeof(SHA1_CTX)
};
struct auth_hash auth_hash_hmac_ripemd_160_96 = {
CRYPTO_RIPEMD160_HMAC, "HMAC-RIPEMD-160",
20, 20, 12, sizeof(RMD160_CTX)
};
struct auth_hash auth_hash_key_md5 = {
CRYPTO_MD5_KPDK, "Keyed MD5",
0, 16, 16, sizeof(MD5_CTX)
};
struct auth_hash auth_hash_key_sha1 = {
CRYPTO_SHA1_KPDK, "Keyed SHA1",
0, 20, 20, sizeof(SHA1_CTX)
};
struct auth_hash auth_hash_md5 = {
CRYPTO_MD5, "MD5",
0, 16, 16, sizeof(MD5_CTX)
};
struct auth_hash auth_hash_sha1 = {
CRYPTO_SHA1, "SHA1",
0, 20, 20, sizeof(SHA1_CTX)
};
struct auth_hash auth_hash_hmac_sha2_256 = {
CRYPTO_SHA2_HMAC, "HMAC-SHA2",
32, 32, 12, sizeof(SHA256_CTX)
};
struct auth_hash auth_hash_hmac_sha2_384 = {
CRYPTO_SHA2_HMAC, "HMAC-SHA2-384",
48, 48, 12, sizeof(SHA384_CTX)
};
struct auth_hash auth_hash_hmac_sha2_512 = {
CRYPTO_SHA2_HMAC, "HMAC-SHA2-512",
64, 64, 12, sizeof(SHA512_CTX)
};
/* Compression instance */
struct comp_algo comp_algo_deflate = {
CRYPTO_DEFLATE_COMP, "Deflate",
90
};