1This file is part of the OpenSSH software. 2 3The licences which components of this software fall under are as 4follows. First, we will summarize and say that all components 5are under a BSD licence, or a licence more free than that. 6 7OpenSSH contains no GPL code. 8 91) 10 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 11 * All rights reserved 12 * 13 * As far as I am concerned, the code I have written for this software 14 * can be used freely for any purpose. Any derived versions of this 15 * software must be clearly marked as such, and if the derived work is 16 * incompatible with the protocol description in the RFC file, it must be 17 * called by a name other than "ssh" or "Secure Shell". 18 19 [Tatu continues] 20 * However, I am not implying to give any licenses to any patents or 21 * copyrights held by third parties, and the software includes parts that 22 * are not under my direct control. As far as I know, all included 23 * source code is used in accordance with the relevant license agreements 24 * and can be used freely for any purpose (the GNU license being the most 25 * restrictive); see below for details. 26 27 [However, none of that term is relevant at this point in time. All of 28 these restrictively licenced software components which he talks about 29 have been removed from OpenSSH, ie. 30 31 - RSA is no longer included, found in the OpenSSL library 32 - IDEA is no longer included, its use is deprecated 33 - DES is now external, in the OpenSSL library 34 - GMP is no longer used, and instead we call BN code from OpenSSL 35 - Zlib is now external, in a library 36 - The make-ssh-known-hosts script is no longer included 37 - TSS has been removed 38 - MD5 is now external, in the OpenSSL library 39 - RC4 support has been replaced with ARC4 support from OpenSSL 40 - Blowfish is now external, in the OpenSSL library 41 42 [The licence continues] 43 44 Note that any information and cryptographic algorithms used in this 45 software are publicly available on the Internet and at any major 46 bookstore, scientific library, and patent office worldwide. More 47 information can be found e.g. at "http://www.cs.hut.fi/crypto". 48 49 The legal status of this program is some combination of all these 50 permissions and restrictions. Use only at your own responsibility. 51 You will be responsible for any legal consequences yourself; I am not 52 making any claims whether possessing or using this is legal or not in 53 your country, and I am not taking any responsibility on your behalf. 54 55 56 NO WARRANTY 57 58 BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 59 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN 60 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES 61 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED 62 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 63 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS 64 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE 65 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, 66 REPAIR OR CORRECTION. 67 68 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 69 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR 70 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, 71 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING 72 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED 73 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY 74 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER 75 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE 76 POSSIBILITY OF SUCH DAMAGES. 77 782) 79 The 32-bit CRC implementation in crc32.c is due to Gary S. Brown. 80 Comments in the file indicate it may be used for any purpose without 81 restrictions: 82 83 * COPYRIGHT (C) 1986 Gary S. Brown. You may use this program, or 84 * code or tables extracted from it, as desired without restriction. 85 863) 87 The 32-bit CRC compensation attack detector in deattack.c was 88 contributed by CORE SDI S.A. under a BSD-style license. See 89 http://www.core-sdi.com/english/ssh/ for details. 90 91 * Cryptographic attack detector for ssh - source code 92 * 93 * Copyright (c) 1998 CORE SDI S.A., Buenos Aires, Argentina. 94 * 95 * All rights reserved. Redistribution and use in source and binary 96 * forms, with or without modification, are permitted provided that 97 * this copyright notice is retained. 98 * 99 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 100 * WARRANTIES ARE DISCLAIMED. IN NO EVENT SHALL CORE SDI S.A. BE 101 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY OR 102 * CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OR MISUSE OF THIS 103 * SOFTWARE. 104 * 105 * Ariel Futoransky <futo@core-sdi.com> 106 * <http://www.core-sdi.com> 107 1084) 109 Remaining components of the software are provided under a standard 110 2-term BSD licence with the following names as copyright holders: 111 112 Markus Friedl 113 Theo de Raadt 114 Niels Provos 115 Dug Song 116 Aaron Campbell 117 118 * Redistribution and use in source and binary forms, with or without 119 * modification, are permitted provided that the following conditions 120 * are met: 121 * 1. Redistributions of source code must retain the above copyright 122 * notice, this list of conditions and the following disclaimer. 123 * 2. Redistributions in binary form must reproduce the above copyright 124 * notice, this list of conditions and the following disclaimer in the 125 * documentation and/or other materials provided with the distribution. 126 * 127 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 128 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 129 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 130 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 131 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 132 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 133 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 134 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 135 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 136 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 137