Cryptflow2 (#64)

* CrypTFlow2 code

* Some small corrections.

* Updated License to 2020

* Updated repo README to include SCI (CrypTFlow2) and moved CrypTFlow2/ to SCI/

Co-authored-by: Nishant Kumar <nishant.kr10@gmail.com>

.gitmodules

+[submodule "CrypTFlow2/extern/SEAL"]
+	path = SCI/extern/SEAL
+	url = https://github.com/Microsoft/SEAL
+[submodule "CrypTFlow2/extern/eigen"]
+	path = SCI/extern/eigen
+	url = https://gitlab.com/libeigen/eigen

Aramis/3party-aramis/party0/App/app_sgx_instream.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/app_sgx_instream.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/app_sleep_utils.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/app_sleep_utils.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/attest_sequence.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/attest_sequence.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/benchmark_utils.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/cross_call_counter.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/cross_call_counter.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/input_and_key_handler.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/input_and_key_handler.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/mac_key_utils_app.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/mac_key_utils_app.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/print_prepends.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/print_prepends.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/register_time.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/register_time.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/sgx_abort_handler.cpp

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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

Aramis/3party-aramis/party0/App/sgx_abort_handler.h

 /*
 Authors: Mayank Rathee.
 Copyright:
-Copyright (c) 2018 Microsoft Research
+Copyright (c) 2020 Microsoft Research
 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