382 lines
9.1 KiB
C
382 lines
9.1 KiB
C
/* $NetBSD: xform.c,v 1.31 2020/06/30 04:14:56 riastradh Exp $ */
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/* $FreeBSD: src/sys/opencrypto/xform.c,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $ */
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/* $OpenBSD: xform.c,v 1.19 2002/08/16 22:47:25 dhartmei Exp $ */
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/*
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* The authors of this code are John Ioannidis (ji@tla.org),
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* Angelos D. Keromytis (kermit@csd.uch.gr) and
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* Niels Provos (provos@physnet.uni-hamburg.de).
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*
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* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
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* in November 1995.
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*
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* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
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* by Angelos D. Keromytis.
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*
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* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
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* and Niels Provos.
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*
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* Additional features in 1999 by Angelos D. Keromytis.
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*
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* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
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* Angelos D. Keromytis and Niels Provos.
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*
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* Copyright (C) 2001, Angelos D. Keromytis.
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*
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* Permission to use, copy, and modify this software with or without fee
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* is hereby granted, provided that this entire notice is included in
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* all copies of any software which is or includes a copy or
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* modification of this software.
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* You may use this code under the GNU public license if you so wish. Please
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* contribute changes back to the authors under this freer than GPL license
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* so that we may further the use of strong encryption without limitations to
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* all.
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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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: xform.c,v 1.31 2020/06/30 04:14:56 riastradh Exp $");
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#include <sys/param.h>
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#include <sys/malloc.h>
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#include <opencrypto/cryptodev.h>
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#include <opencrypto/xform.h>
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MALLOC_DEFINE(M_XDATA, "xform", "xform data buffers");
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const u_int8_t hmac_ipad_buffer[128] = {
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36
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};
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const u_int8_t hmac_opad_buffer[128] = {
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C,
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0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C, 0x5C
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};
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/* Encryption instances */
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const struct enc_xform enc_xform_null = {
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.type = CRYPTO_NULL_CBC,
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.name = "NULL",
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/* NB: blocksize of 4 is to generate a properly aligned ESP header */
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.blocksize = 4,
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.ivsize = 0,
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.minkey = 0,
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.maxkey = 256, /* 2048 bits, max key */
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};
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const struct enc_xform enc_xform_des = {
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.type = CRYPTO_DES_CBC,
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.name = "DES",
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.blocksize = 8,
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.ivsize = 8,
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.minkey = 8,
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.maxkey = 8,
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};
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const struct enc_xform enc_xform_3des = {
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.type = CRYPTO_3DES_CBC,
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.name = "3DES",
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.blocksize = 8,
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.ivsize = 8,
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.minkey = 24,
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.maxkey = 24,
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};
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const struct enc_xform enc_xform_blf = {
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.type = CRYPTO_BLF_CBC,
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.name = "Blowfish",
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.blocksize = 8,
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.ivsize = 8,
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.minkey = 5,
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.maxkey = 56, /* 448 bits, max key */
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};
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const struct enc_xform enc_xform_cast5 = {
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.type = CRYPTO_CAST_CBC,
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.name = "CAST-128",
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.blocksize = 8,
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.ivsize = 8,
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.minkey = 5,
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.maxkey = 16,
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};
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const struct enc_xform enc_xform_skipjack = {
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.type = CRYPTO_SKIPJACK_CBC,
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.name = "Skipjack",
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.blocksize = 8,
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.ivsize = 8,
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.minkey = 10,
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.maxkey = 10,
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};
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const struct enc_xform enc_xform_aes = {
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.type = CRYPTO_AES_CBC,
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.name = "AES",
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.blocksize = 16,
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.ivsize = 16,
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.minkey = 16,
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.maxkey = 32,
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};
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const struct enc_xform enc_xform_arc4 = {
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.type = CRYPTO_ARC4,
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.name = "ARC4",
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.blocksize = 1,
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.ivsize = 0,
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.minkey = 1,
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.maxkey = 32,
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};
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const struct enc_xform enc_xform_camellia = {
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.type = CRYPTO_CAMELLIA_CBC,
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.name = "Camellia",
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.blocksize = 16,
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.ivsize = 16,
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.minkey = 8,
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.maxkey = 32,
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};
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const struct enc_xform enc_xform_aes_ctr = {
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.type = CRYPTO_AES_CTR,
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.name = "AES-CTR",
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.blocksize = 16,
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.ivsize = 8,
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.minkey = 16 + 4,
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.maxkey = 32 + 4,
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};
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const struct enc_xform enc_xform_aes_gcm = {
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.type = CRYPTO_AES_GCM_16,
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.name = "AES-GCM",
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.blocksize = 4, /* ??? */
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.ivsize = 8,
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.minkey = 16 + 4,
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.maxkey = 32 + 4,
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};
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const struct enc_xform enc_xform_aes_gmac = {
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.type = CRYPTO_AES_GMAC,
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.name = "AES-GMAC",
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.blocksize = 4, /* ??? */
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.ivsize = 8,
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.minkey = 16 + 4,
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.maxkey = 32 + 4,
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};
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/* Authentication instances */
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const struct auth_hash auth_hash_null = {
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.type = CRYPTO_NULL_HMAC,
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.name = "NULL-HMAC",
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.keysize = 0,
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.hashsize = 0,
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.authsize = 12,
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.blocksize = 64,
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};
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const struct auth_hash auth_hash_hmac_md5 = {
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.type = CRYPTO_MD5_HMAC,
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.name = "HMAC-MD5",
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.keysize = 16,
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.hashsize = 16,
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.authsize = 16,
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.blocksize = 64,
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};
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const struct auth_hash auth_hash_hmac_sha1 = {
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.type = CRYPTO_SHA1_HMAC,
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.name = "HMAC-SHA1",
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.keysize = 20,
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.hashsize = 20,
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.authsize = 20,
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.blocksize = 64,
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};
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const struct auth_hash auth_hash_hmac_ripemd_160 = {
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.type = CRYPTO_RIPEMD160_HMAC,
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.name = "HMAC-RIPEMD-160",
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.keysize = 20,
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.hashsize = 20,
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.authsize = 20,
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.blocksize = 64,
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};
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const struct auth_hash auth_hash_hmac_md5_96 = {
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.type = CRYPTO_MD5_HMAC_96,
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.name = "HMAC-MD5-96",
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.keysize = 16,
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.hashsize = 16,
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.authsize = 12,
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.blocksize = 64,
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};
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const struct auth_hash auth_hash_hmac_sha1_96 = {
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.type = CRYPTO_SHA1_HMAC_96,
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.name = "HMAC-SHA1-96",
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.keysize = 20,
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.hashsize = 20,
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.authsize = 12,
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.blocksize = 64,
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};
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const struct auth_hash auth_hash_hmac_ripemd_160_96 = {
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.type = CRYPTO_RIPEMD160_HMAC_96,
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.name = "HMAC-RIPEMD-160",
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.keysize = 20,
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.hashsize = 20,
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.authsize = 12,
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.blocksize = 64,
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};
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const struct auth_hash auth_hash_key_md5 = {
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.type = CRYPTO_MD5_KPDK,
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.name = "Keyed MD5",
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.keysize = 0,
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.hashsize = 16,
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.authsize = 16,
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.blocksize = 0,
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};
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const struct auth_hash auth_hash_key_sha1 = {
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.type = CRYPTO_SHA1_KPDK,
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.name = "Keyed SHA1",
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.keysize = 0,
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.hashsize = 20,
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.authsize = 20,
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.blocksize = 0,
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};
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const struct auth_hash auth_hash_md5 = {
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.type = CRYPTO_MD5,
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.name = "MD5",
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.keysize = 0,
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.hashsize = 16,
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.authsize = 16,
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.blocksize = 0,
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};
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const struct auth_hash auth_hash_sha1 = {
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.type = CRYPTO_SHA1,
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.name = "SHA1",
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.keysize = 0,
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.hashsize = 20,
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.authsize = 20,
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.blocksize = 0,
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};
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const struct auth_hash auth_hash_hmac_sha2_256 = {
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.type = CRYPTO_SHA2_256_HMAC,
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.name = "HMAC-SHA2",
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.keysize = 32,
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.hashsize = 32,
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.authsize = 16,
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.blocksize = 64,
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};
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const struct auth_hash auth_hash_hmac_sha2_384 = {
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.type = CRYPTO_SHA2_384_HMAC,
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.name = "HMAC-SHA2-384",
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.keysize = 48,
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.hashsize = 48,
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.authsize = 24,
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.blocksize = 128,
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};
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const struct auth_hash auth_hash_hmac_sha2_512 = {
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.type = CRYPTO_SHA2_512_HMAC,
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.name = "HMAC-SHA2-512",
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.keysize = 64,
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.hashsize = 64,
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.authsize = 32,
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.blocksize = 128,
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};
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const struct auth_hash auth_hash_aes_xcbc_mac_96 = {
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.type = CRYPTO_AES_XCBC_MAC_96,
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.name = "AES-XCBC-MAC-96",
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.keysize = 16,
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.hashsize = 16,
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.authsize = 12,
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.blocksize = 0,
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};
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const struct auth_hash auth_hash_gmac_aes_128 = {
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.type = CRYPTO_AES_128_GMAC,
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.name = "GMAC-AES-128",
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.keysize = 16 + 4,
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.hashsize = 16,
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.authsize = 16,
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.blocksize = 16, /* ??? */
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};
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const struct auth_hash auth_hash_gmac_aes_192 = {
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.type = CRYPTO_AES_192_GMAC,
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.name = "GMAC-AES-192",
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.keysize = 24 + 4,
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.hashsize = 16,
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.authsize = 16,
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.blocksize = 16, /* ??? */
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};
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const struct auth_hash auth_hash_gmac_aes_256 = {
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.type = CRYPTO_AES_256_GMAC,
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.name = "GMAC-AES-256",
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.keysize = 32 + 4,
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.hashsize = 16,
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.authsize = 16,
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.blocksize = 16, /* ??? */
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};
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/* Compression instance */
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const struct comp_algo comp_algo_deflate = {
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.type = CRYPTO_DEFLATE_COMP,
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.name = "Deflate",
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.minlen = 90,
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};
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const struct comp_algo comp_algo_deflate_nogrow = {
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.type = CRYPTO_DEFLATE_COMP_NOGROW,
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.name = "Deflate",
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.minlen = 90,
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};
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const struct comp_algo comp_algo_gzip = {
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.type = CRYPTO_GZIP_COMP,
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.name = "GZIP",
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.minlen = 90,
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};
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