src/usr.bin/ssh/LICENCE - annotate

Return to LICENCE CVS log

Up to [local] / src / usr.bin / ssh

Annotation of src/usr.bin/ssh/LICENCE, Revision 1.6

1.3 stevesk 1: This file is part of the OpenSSH software.
1.1 deraadt 2:
1.3 stevesk 3: The licences which components of this software fall under are as
4: follows. First, we will summarize and say that all components
1.1 deraadt 5: are under a BSD licence, or a licence more free than that.
6:
7: OpenSSH contains no GPL code.
8:
9: 1)
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
1.4 stevesk 29: have been removed from OpenSSH, i.e.,
1.1 deraadt 30:
31: - RSA is no longer included, found in the OpenSSL library
1.3 stevesk 32: - IDEA is no longer included, its use is deprecated
1.1 deraadt 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
1.2 deraadt 39: - RC4 support has been replaced with ARC4 support from OpenSSL
1.1 deraadt 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:
78: 2)
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:
86: 3)
87: The 32-bit CRC compensation attack detector in deattack.c was
1.4 stevesk 88: contributed by CORE SDI S.A. under a BSD-style license.
1.1 deraadt 89:
90: * Cryptographic attack detector for ssh - source code
91: *
92: * Copyright (c) 1998 CORE SDI S.A., Buenos Aires, Argentina.
93: *
94: * All rights reserved. Redistribution and use in source and binary
95: * forms, with or without modification, are permitted provided that
96: * this copyright notice is retained.
97: *
98: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
99: * WARRANTIES ARE DISCLAIMED. IN NO EVENT SHALL CORE SDI S.A. BE
100: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY OR
101: * CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OR MISUSE OF THIS
102: * SOFTWARE.
103: *
104: * Ariel Futoransky <futo@core-sdi.com>
105: * <http://www.core-sdi.com>
1.4 stevesk 106:
107: 4)
108: ssh-keygen was contributed by David Mazieres under a BSD-style
109: license.
110:
111: * Copyright 1995, 1996 by David Mazieres <dm@lcs.mit.edu>.
112: *
113: * Modification and redistribution in source and binary forms is
114: * permitted provided that due credit is given to the author and the
115: * OpenBSD project by leaving this copyright notice intact.
116:
117: 5)
1.5 markus 118: The Rijndael implementation by Vincent Rijmen, Antoon Bosselaers
119: and Paulo Barreto is in the public domain and distributed
120: with the following license:
1.4 stevesk 121:
1.5 markus 122: * @version 3.0 (December 2000)
123: *
124: * Optimised ANSI C code for the Rijndael cipher (now AES)
125: *
126: * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
127: * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
128: * @author Paulo Barreto <paulo.barreto@terra.com.br>
129: *
130: * This code is hereby placed in the public domain.
131: *
132: * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
133: * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
134: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
135: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
136: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
137: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
138: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
139: * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
140: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
141: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
142: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.6 ! deraadt 143:
1.4 stevesk 144: 6)
1.6 ! deraadt 145: Two components of the ssh source code are under a 4-clause BSD license,
! 146: held by the University of California, since we pulled these parts from
! 147: original Berkeley code. The Regents of the University of California
! 148: have declared that term 3 is no longer enforceable on their source code,
! 149: but we retain that license as is.
! 150:
! 151: * Copyright (c) 1980, 1993
! 152: * The Regents of the University of California. All rights reserved.
! 153: *
! 154: * Redistribution and use in source and binary forms, with or without
! 155: * modification, are permitted provided that the following conditions
! 156: * are met:
! 157: * 1. Redistributions of source code must retain the above copyright
! 158: * notice, this list of conditions and the following disclaimer.
! 159: * 2. Redistributions in binary form must reproduce the above copyright
! 160: * notice, this list of conditions and the following disclaimer in the
! 161: * documentation and/or other materials provided with the distribution.
! 162: * 3. All advertising materials mentioning features or use of this software
! 163: * must display the following acknowledgement:
! 164: * This product includes software developed by the University of
! 165: * California, Berkeley and its contributors.
! 166: * 4. Neither the name of the University nor the names of its contributors
! 167: * may be used to endorse or promote products derived from this software
! 168: * without specific prior written permission.
! 169: *
! 170: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 171: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 172: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 173: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 174: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 175: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 176: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 177: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 178: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 179: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 180: * SUCH DAMAGE.
! 181:
! 182: 7)
1.1 deraadt 183: Remaining components of the software are provided under a standard
184: 2-term BSD licence with the following names as copyright holders:
185:
186: Markus Friedl
187: Theo de Raadt
188: Niels Provos
189: Dug Song
190: Aaron Campbell
1.4 stevesk 191: Damien Miller
192: Kevin Steves
1.1 deraadt 193:
194: * Redistribution and use in source and binary forms, with or without
195: * modification, are permitted provided that the following conditions
196: * are met:
197: * 1. Redistributions of source code must retain the above copyright
198: * notice, this list of conditions and the following disclaimer.
199: * 2. Redistributions in binary form must reproduce the above copyright
200: * notice, this list of conditions and the following disclaimer in the
201: * documentation and/or other materials provided with the distribution.
202: *
203: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
204: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
205: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
206: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
207: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
208: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
209: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
210: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
211: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
212: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.