1  The MIT License (MIT)
 2  
 3  sha256.c by Tom St Denis (https://opensource.apple.com/source/CommonCrypto/CommonCrypto-55010/Source/libtomcrypt/src/hashes/sha2/sha256.c.auto.html)
 4  Copyright (c) 2017 Paul Sokolovsky
 5  Modified by Brent Rubell for Adafruit Industries, 2019
 6  
 7  Permission is hereby granted, free of charge, to any person obtaining a copy
 8  of this software and associated documentation files (the "Software"), to deal
 9  in the Software without restriction, including without limitation the rights
10  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11  copies of the Software, and to permit persons to whom the Software is
12  furnished to do so, subject to the following conditions:
13  
14  The above copyright notice and this permission notice shall be included in all
15  copies or substantial portions of the Software.
16  
17  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  SOFTWARE.
24  
25  
26  The MIT License (MIT)
27  
28  Copyright (c) 2013-2015 AJ Alt
29  
30  Permission is hereby granted, free of charge, to any person obtaining a copy of
31  this software and associated documentation files (the "Software"), to deal in
32  the Software without restriction, including without limitation the rights to
33  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
34  the Software, and to permit persons to whom the Software is furnished to do so,
35  subject to the following conditions:
36  
37  The above copyright notice and this permission notice shall be included in all
38  copies or substantial portions of the Software.
39  
40  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
41  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
42  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
43  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
44  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
45  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.