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| Dropbear contains a number of components from different sources, hence there | |
| are a few licenses and authors involved. All licenses are fairly | |
| non-restrictive. | |
| The majority of code is written by Matt Johnston, under the license below. | |
| Portions of the client-mode work are (c) 2004 Mihnea Stoenescu, under the | |
| same license: | |
| Copyright (c) 2002-2015 Matt Johnston | |
| Portions copyright (c) 2004 Mihnea Stoenescu | |
| All rights reserved. | |
| Permission is hereby granted, free of charge, to any person obtaining a copy | |
| of this software and associated documentation files (the "Software"), to deal | |
| in the Software without restriction, including without limitation the rights | |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| copies of the Software, and to permit persons to whom the Software is | |
| furnished to do so, subject to the following conditions: | |
| The above copyright notice and this permission notice shall be included in all | |
| copies or substantial portions of the Software. | |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| SOFTWARE. | |
| ===== | |
| LibTomCrypt and LibTomMath are written by Tom St Denis, and are Public Domain. | |
| ===== | |
| sshpty.c is taken from OpenSSH 3.5p1, | |
| Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland | |
| All rights reserved | |
| "As far as I am concerned, the code I have written for this software | |
| can be used freely for any purpose. Any derived versions of this | |
| software must be clearly marked as such, and if the derived work is | |
| incompatible with the protocol description in the RFC file, it must be | |
| called by a name other than "ssh" or "Secure Shell". " | |
| ===== | |
| loginrec.c | |
| loginrec.h | |
| atomicio.h | |
| atomicio.c | |
| and strlcat() (included in util.c) are from OpenSSH 3.6.1p2, and are licensed | |
| under the 2 point BSD license. | |
| loginrec is written primarily by Andre Lucas, atomicio.c by Theo de Raadt. | |
| strlcat() is (c) Todd C. Miller | |
| ===== | |
| Import code in keyimport.c is modified from PuTTY's import.c, licensed as | |
| follows: | |
| PuTTY is copyright 1997-2003 Simon Tatham. | |
| Portions copyright Robert de Bath, Joris van Rantwijk, Delian | |
| Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry, | |
| Justin Bradford, and CORE SDI S.A. | |
| Permission is hereby granted, free of charge, to any person | |
| obtaining a copy of this software and associated documentation files | |
| (the "Software"), to deal in the Software without restriction, | |
| including without limitation the rights to use, copy, modify, merge, | |
| publish, distribute, sublicense, and/or sell copies of the Software, | |
| and to permit persons to whom the Software is furnished to do so, | |
| subject to the following conditions: | |
| The above copyright notice and this permission notice shall be | |
| included in all copies or substantial portions of the Software. | |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE | |
| FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF | |
| CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
| WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| ===== | |
| curve25519-donna: | |
| /* Copyright 2008, Google Inc. | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions are | |
| * met: | |
| * | |
| * * Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * * Redistributions in binary form must reproduce the above | |
| * copyright notice, this list of conditions and the following disclaimer | |
| * in the documentation and/or other materials provided with the | |
| * distribution. | |
| * * Neither the name of Google Inc. nor the names of its | |
| * contributors may be used to endorse or promote products derived from | |
| * this software without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * | |
| * curve25519-donna: Curve25519 elliptic curve, public key function | |
| * | |
| * http://code.google.com/p/curve25519-donna/ | |
| * | |
| * Adam Langley <agl@imperialviolet.org> | |
| * | |
| * Derived from public domain C code by Daniel J. Bernstein <djb@cr.yp.to> | |
| * | |
| * More information about curve25519 can be found here | |
| * http://cr.yp.to/ecdh.html | |
| * | |
| * djb's sample implementation of curve25519 is written in a special assembly | |
| * language called qhasm and uses the floating point registers. | |
| * | |
| * This is, almost, a clean room reimplementation from the curve25519 paper. It | |
| * uses many of the tricks described therein. Only the crecip function is taken | |
| * from the sample implementation. | |
| */ |