1104476Ssam/* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */ 2139825Simp/*- 3104476Ssam * The authors of this code are John Ioannidis (ji@tla.org), 4247061Spjd * Angelos D. Keromytis (kermit@csd.uch.gr), 5247061Spjd * Niels Provos (provos@physnet.uni-hamburg.de) and 6247061Spjd * Damien Miller (djm@mindrot.org). 7104476Ssam * 8104476Ssam * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 9104476Ssam * in November 1995. 10104476Ssam * 11104476Ssam * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, 12104476Ssam * by Angelos D. Keromytis. 13104476Ssam * 14104476Ssam * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis 15104476Ssam * and Niels Provos. 16104476Ssam * 17104476Ssam * Additional features in 1999 by Angelos D. Keromytis. 18104476Ssam * 19247061Spjd * AES XTS implementation in 2008 by Damien Miller 20247061Spjd * 21104476Ssam * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, 22104476Ssam * Angelos D. Keromytis and Niels Provos. 23104476Ssam * 24104476Ssam * Copyright (C) 2001, Angelos D. Keromytis. 25104476Ssam * 26247061Spjd * Copyright (C) 2008, Damien Miller 27275732Sjmg * Copyright (c) 2014 The FreeBSD Foundation 28275732Sjmg * All rights reserved. 29247061Spjd * 30275732Sjmg * Portions of this software were developed by John-Mark Gurney 31275732Sjmg * under sponsorship of the FreeBSD Foundation and 32275732Sjmg * Rubicon Communications, LLC (Netgate). 33275732Sjmg * 34104476Ssam * Permission to use, copy, and modify this software with or without fee 35104476Ssam * is hereby granted, provided that this entire notice is included in 36104476Ssam * all copies of any software which is or includes a copy or 37104476Ssam * modification of this software. 38104476Ssam * You may use this code under the GNU public license if you so wish. Please 39104476Ssam * contribute changes back to the authors under this freer than GPL license 40104476Ssam * so that we may further the use of strong encryption without limitations to 41104476Ssam * all. 42104476Ssam * 43104476Ssam * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 44104476Ssam * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 45104476Ssam * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 46104476Ssam * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 47104476Ssam * PURPOSE. 48104476Ssam */ 49104476Ssam 50116191Sobrien#include <sys/cdefs.h> 51116191Sobrien__FBSDID("$FreeBSD: releng/11.0/sys/opencrypto/xform_deflate.c 292963 2015-12-30 22:43:07Z allanjude $"); 52116191Sobrien 53104476Ssam#include <opencrypto/deflate.h> 54292963Sallanjude#include <opencrypto/xform_comp.h> 55104476Ssam 56104476Ssamstatic u_int32_t deflate_compress(u_int8_t *, u_int32_t, u_int8_t **); 57104476Ssamstatic u_int32_t deflate_decompress(u_int8_t *, u_int32_t, u_int8_t **); 58104476Ssam 59104476Ssam/* Compression instance */ 60104476Ssamstruct comp_algo comp_algo_deflate = { 61104476Ssam CRYPTO_DEFLATE_COMP, "Deflate", 62104476Ssam 90, deflate_compress, 63104476Ssam deflate_decompress 64104476Ssam}; 65104476Ssam 66104476Ssam/* 67104476Ssam * And compression 68104476Ssam */ 69104476Ssam 70104476Ssamstatic u_int32_t 71104476Ssamdeflate_compress(data, size, out) 72104476Ssam u_int8_t *data; 73104476Ssam u_int32_t size; 74104476Ssam u_int8_t **out; 75104476Ssam{ 76104476Ssam return deflate_global(data, size, 0, out); 77104476Ssam} 78104476Ssam 79104476Ssamstatic u_int32_t 80104476Ssamdeflate_decompress(data, size, out) 81104476Ssam u_int8_t *data; 82104476Ssam u_int32_t size; 83104476Ssam u_int8_t **out; 84104476Ssam{ 85104476Ssam return deflate_global(data, size, 1, out); 86104476Ssam} 87