CUPS Copyright © 2007-2018 by Apple Inc. Copyright © 1997-2007 by Easy Software Products. CUPS and the CUPS logo are trademarks of Apple Inc. The MD5 Digest code is Copyright 1999 Aladdin Enterprises. The Kerberos support code ("KSC") is copyright 2006 by Jelmer Vernooij and is provided 'as-is', without any express or implied warranty. In no event will the author or Apple Inc. be held liable for any damages arising from the use of the KSC. Sources files containing KSC have the following text at the top of each source file: This file contains Kerberos support code, copyright 2006 by Jelmer Vernooij. The KSC copyright and license apply only to Kerberos-related feature code in CUPS. Such code is typically conditionally compiled based on the present of the HAVE_GSSAPI preprocessor definition. Permission is granted to anyone to use the KSC for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of the KSC must not be misrepresented; you must not claim that you wrote the original software. If you use the KSC in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution.